A battery cell, a battery and an electric device are provided. The battery cell includes electrode assemblies, a shell, and a pressure relief mechanism. The shell is used to accommodate the electrode assemblies. The pressure relief mechanism is provided on a lower portion of the shell and integrally formed with the shell. During normal use of the battery cell, the pressure relief mechanism is located at the lower portion of the shell.
This application provides a separator, including a first base film and a second base film. A melting point of the second base film is higher than a melting point of the first base film. A thickness of the first base film is denoted as T1, a thickness of the second base film is denoted as T2, and a total thickness of the separator is denoted as T, where T1/T2≥1.02, and 0.3≤T1/T≤0.7. The setting of a thickness relationship between the first base film and the second base film as well as a melting point relationship between the first base film and the second base film can improve the heat resistance of batteries and also effectively improves the high-temperature cycling performance of the batteries.
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
H01M 50/403 - Procédés de fabrication des séparateurs, des membranes ou des diaphragmes
H01M 50/414 - Résines synthétiques, p. ex. thermoplastiques ou thermodurcissables
A positive electrode plate and a preparation method thereof, a battery cell, a battery, and an electric apparatus are described. The positive electrode plate includes: a positive electrode current collector and a first film layer and a second film layer disposed on the same side of at least one surface of the positive electrode current collector; where the first film layer includes a first active material, and the first active material includes at least one of a material with an olivine structure and a material with a spinel structure; the second film layer includes a second active material, and the second active material includes a material with a layered structure; a resistivity R1 of the first active material and a resistivity R2 of the second active material satisfy: 20≤R2/R1≤500. The technical solution of the embodiment of this application enhances the performance of the battery cell.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
4.
COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS
A composite positive electrode active material is disclosed. The composite positive electrode active material includes a first lithium iron manganese phosphate type material and a second lithium iron manganese phosphate type material. The first lithium iron manganese phosphate type material has a nanosheet structure, and a ratio of an area of a (010) crystal plane of the first lithium iron manganese phosphate type material to a total area of crystal planes of the first lithium iron manganese phosphate type material is A1%. The second lithium iron manganese phosphate type material has a spherical and/or quasi-spherical structure, and a ratio of an area of a (010) crystal plane of the second lithium iron manganese phosphate type material to a total area of crystal planes of the second lithium iron manganese phosphate type material is A2%. The composite positive electrode active material satisfies A1>A2.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
5.
CURRENT COLLECTOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE
A current collector with a coating, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. The coating includes at least a surface modification layer. The coating is formed on at least one side of the current collector. A thickness of the surface modification layer is 100 nm to 10 μm. The coating formed on at least one side of the current collector can effectively block direct contact between a negative electrode metal and an electrolyte solution constituent, thereby reducing side reactions between the negative electrode metal and the electrolyte solution, significantly reducing gas generated by the battery during cycling, and improving the cycle performance and safety of the battery.
Provided is a silicon-based negative electrode active material, including M2Si2O5 and M2SiO3, where M includes one or more alkali metal elements; in an XRD pattern of the silicon-based negative electrode active material, a diffraction angle 2θ has a first diffraction peak ranging from 24° to 25°, and a half-peak width of the first diffraction peak is βA; the diffraction angle 2θ has a second diffraction peak ranging from 26° to 27°, and a half-peak width of the second diffraction peak is βB; and the silicon-based negative electrode active material satisfies 1.0≤βA/βB≤2.5.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
A secondary battery and an electric device comprising the secondary battery. The secondary battery comprises: a negative electrode sheet and an electrolyte, where the negative electrode sheet comprises a silicon-carbon composite material and the silicon-carbon composite material has a three-dimensional network crosslinked pore structure; and the electrolyte comprises a carboxylate compound.
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
8.
BATTERY, CHARGING DEVICE, CHARGING METHOD, BATTERY MANAGEMENT SYSTEM AND ELECTRIC APPARATUS
A battery, a charging device, a battery charging method, a battery management system and an electrical apparatus. The battery comprises: at least one battery cell, a positive electrode active material of the battery cell comprising LiMPO4, and M comprising Mn element and Fe element; and the battery management system, used for controlling the temperature of the battery in response to a charging instruction, such that the temperature of the battery during at least part of a charging process is within a preset temperature range.
H01M 10/633 - Systèmes de commande caractérisés par des algorithmes, des diagrammes, des détails de logiciel ou similaires
B60L 53/60 - Surveillance et commande des stations de charge
B60L 58/12 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction de l'état de charge [SoC]
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/637 - Systèmes de commande caractérisés par l’emploi de dispositifs sensibles à la température, p. ex. dispositifs NTC, PTC ou bimétalSystèmes de commande caractérisés par la commande du courant interne circulant à travers la batterie, p. ex. par commutation
H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
9.
ELECTRODE ASSEMBLY AND MANUFACTURING METHOD THEREOF, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS
Embodiments of the present application provides an electrode assembly and a manufacturing method thereof, a battery cell, a battery, and an electrical apparatus. The electrode assembly comprises: a first electrode plate; and at least two second electrode plates stacked and bent to form at least one bent portion, the bent portion comprising at least one bent section and at least two straight sections, two adjacent straight sections being connected through the bent section, where for each bent portion, the first electrode plate is provided between two adjacent straight sections, and the polarity of the first electrode plate is opposite to the polarity of the adjacent second electrode plate.
H01M 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z
H01M 50/46 - Séparateurs, membranes ou diaphragmes caractérisés par leur combinaison avec des électrodes
10.
NEGATIVE CURRENT COLLECTOR AND PREPARATION METHOD THEREOF, NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE
This application relates to a negative current collector. At least one surface of the negative current collector is overlaid with a LixM alloy layer, in which 0
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
11.
ELECTRICAL APPARATUS, BATTERY, BATTERY CELL AND ELECTRODE PLATE ASSEMBLY
An electrical apparatus, a battery, a battery cell and an electrode plate assembly are disclosed. The electrode plate assembly includes an electrode plate and an insulating adhesive tape. The electrode plate includes an electrode plate body and a tab. The main surface of the electrode plate body has a first side edge and a second side edge that are spaced apart from each other along a predetermined spacing direction. The tab is integrally formed with the electrode plate body and protrudes from the first side edge in the spacing direction. The insulating adhesive tape is to be adhered and fixed to the main surface of the electrode plate body and to cover the first side edge. The above method can solve the problem of short circuit caused by burrs generated during a tab forming process piercing the separator.
H01M 50/531 - Connexions d’électrodes dans un boîtier de batterie
H01M 50/586 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’intérieur des batteries p. ex. les contacts incorrects des électrodes
12.
PREPARATION METHOD FOR POSITIVE ELECTRODE SLURRY, SECONDARY BATTERY, BATTERY PACK AND ELECTRICAL APPARATUS
A method for preparing a positive electrode slurry includes four sequential stirring steps. A positive electrode active material and a conductive agent are first stirred to form a dry mixture. A binder and a solvent are then stirred to form a glue solution. The dry mixture and glue solution are subsequently stirred to form a primary slurry. Finally, the binder, the solvent, and the primary slurry are stirred to obtain the positive electrode slurry. The binder and solvent used in the second and fourth stirrings are the same. Based on the total mass of binder used in both steps, 50% to 70% is added during the second stirring, and 30% to 50% during the fourth stirring. The application also relates to a positive electrode slurry prepared by this method, a secondary battery including the slurry, a battery pack, and an electrical apparatus comprising the battery.
C09J 11/04 - Additifs non macromoléculaires inorganiques
C09J 127/16 - Homopolymères ou copolymères du fluorure de vinylidène
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
13.
DELIVERY METHOD AND SYSTEM FOR MATERIALS ON PRODUCTION LINE
A delivery method includes: sending, by the material requisition computer, a first material requisition request to the logistics execution system in a first material requisition case; sorting, by the logistics execution system in response to the first material requisition request, materials of battery packs based on a production quantity of the battery packs in a current production cycle, determining a first sorting result, and sending the first sorting result to the enterprise resource planning system, where the first sorting result includes material-related information required by different processes in a production line; and controlling, by the enterprise resource planning system based on the material-related information required by the different processes in the production line, the target automated guided vehicle to deliver a corresponding material to a production device for a corresponding process.
G06Q 10/0631 - Planification, affectation, distribution ou ordonnancement de ressources d’entreprises ou d’organisations
B65G 1/137 - Dispositifs d'emmagasinage mécaniques avec des aménagements ou des moyens de commande automatique pour choisir les objets qui doivent être enlevés
14.
BATTERY MODULE, BATTERY, AND POWER CONSUMING DEVICE
A battery module includes a battery cell group, a bracket, a binding member, and an electrical connecting member. The battery cell group includes a plurality of battery cells arranged in a first direction. Each of the battery cells includes electrode terminals. The bracket is located on a side of the battery cell group on which the electrode terminals are arranged. A first groove extending in the first direction is provided in the bracket, and a length direction of the bracket is parallel to the first direction. The electrical connecting member is at least partially received in the first groove. First through holes are provided in a bottom wall of the first groove, and the binding member passes through the first through holes and binds and fixes the electrical connecting member to the bracket.
H01M 50/505 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant une barre omnibus unique
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
H01M 50/298 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par le câblage des blocs de batterie
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
15.
PEROVSKITE PRECURSOR MATERIAL AND PREPARATION METHOD, PEROVSKITE MATERIAL AND PREPARATION METHOD, PEROVSKITE THIN FILM, PEROVSKITE PRECURSOR SLURRY, PEROVSKITE SOLAR CELL AND PREPARATION METHOD, AND ELECTRIC DEVICE
Provided are a perovskite precursor and a preparation method, a perovskite material and a preparation method, a perovskite thin film, a perovskite precursor slurry, a perovskite solar cell and a preparation method, and an electric device. The perovskite precursor includes a precursor substrate and doping ions. The doping ions include at least one of alkali metal ions, alkaline earth metal ions, transition metal ions, group IIIA element ions, acid radical ions, and halogen ions. At least a part of the doping ions are embedded into a crystal lattice of the precursor substrate.
A switching circuit includes a switching transistor, a metal unit, and a branch. The metal unit is provided at the switching transistor, and the branch is electrically connected between a ground and at least one of the switching transistor or between the metal unit. The branch includes a capacitor, and the capacitor is configured to discharge radiated interference.
H02M 1/44 - Circuits ou dispositions pour corriger les interférences électromagnétiques dans les convertisseurs ou les onduleurs
B60L 53/31 - Colonnes de charge spécialement adaptées aux véhicules électriques
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
17.
POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, AND POSITIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE
Provided in the present application are a positive electrode active material and a preparation method therefor, and a positive electrode sheet, a battery and an electric device. The positive electrode active material of the present application comprises (1−a)LiNixM1yM2(1-x-y-z)NbzO2·aLi2MnO3, wherein M1 comprises one or two elements of Mn and Al; and M2 comprises one or more transition metal elements except Mn, Ni and Nb. The positive electrode active material of the present application can improve the cycling stability of a battery and the capacity of the battery after cycling.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
Embodiments of the present application provide a battery cell, a battery, and an electrical device, and belongs to the technical field of batteries. The battery cell includes a shell and an electrode assembly. The shell includes a first wall portion. The electrode assembly is accommodated in the shell. The electrode assembly includes a first electrode plate and a second electrode plate that have opposite polarities, and the first electrode plate and the second electrode plate are stacked in a first direction. In a second direction, the first wall portion faces an edge of the first electrode plate and/or an edge of the second electrode plate; the second direction intersects with the first direction; and the first wall portion is provided with a pressure relief mechanism.
Provided are a battery cell, a battery, and an electric apparatus. The battery cell includes: an electrode assembly; an electrolyte; and a housing, configured to accommodate the electrode assembly and the electrolyte. The battery cell satisfies
Provided are a battery cell, a battery, and an electric apparatus. The battery cell includes: an electrode assembly; an electrolyte; and a housing, configured to accommodate the electrode assembly and the electrolyte. The battery cell satisfies
V
CAP
≥
2
0
0
(
C
0
×
ρ
0
)
,
Provided are a battery cell, a battery, and an electric apparatus. The battery cell includes: an electrode assembly; an electrolyte; and a housing, configured to accommodate the electrode assembly and the electrolyte. The battery cell satisfies
V
CAP
≥
2
0
0
(
C
0
×
ρ
0
)
,
where V represents a remaining volume inside the housing of the battery cell in a fully discharged state, measured in mL; CAP represents a nominal capacity of the battery cell, measured in Ah; C0 represents a theoretical specific capacity of a corresponding alkali metal in the battery cell, measured in mAh/g; and ρ0 represents a theoretical density of the corresponding alkali metal in the battery cell, measured in g/cm3. The technical solution of this application prevents electrolyte leakage caused by the electrolyte being squeezed out due to excessive changes in the electrode assembly, thereby improving the safety performance of the battery.
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
20.
SEPARATOR, PREPARATION METHOD THEREOF, SECONDARY BATTERY, AND ELECTRIC APPARATUS
A separator includes a first base film and a second base film, where a melting point of the second base film is higher than a melting point of the first base film, and a creep flexibility of the first base film is larger than a creep flexibility of the second base film. The first base film and the second base film have different creep flexibility, so that the two base films have different deformability under the action of a stress. Stress buffering of one layer of base film and strength support of the other layer of base film jointly suppress damage to the separator caused by dendrites and reduce the risk of a short circuit caused by the dendrites penetrating the separator, thereby improving the reliability and cycle life of a battery.
H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
21.
POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY AND ELECTRIC DEVICE
A positive electrode active material and a preparation method therefor, a secondary battery and an electrical device. The positive electrode active material comprises a polyanionic compound having a general formula as shown in formula I. The positive electrode active material has a crystallinity of 0.8-1. Formula I: NaxFey1My2(PO4)z(P2O7)k, wherein M comprises at least one of Mg, Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Sn, Hf, Ta, W and Pb, 1≤x≤7, 1≤y1+y2≤4, 1≤z≤2, and 1≤k≤4. The positive electrode active material has relatively high crystallinity and is beneficial for improving the initial discharge capacity of a battery.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
An energy storage apparatus, comprising an apparatus body and a support structure, which is arranged at the bottom of the apparatus body and used for supporting the apparatus body, wherein the support structure comprises a first support plate, which comprises a first mounting wall; an orthographic projection (Y) of the first mounting wall in a first plane (X) is located outside an orthographic projection (Z) of the apparatus body in the first plane; the first mounting wall is provided with a first assembly hole, through which the apparatus body is fixed to the ground; and the first plane is perpendicular to the direction of gravity (G) of the energy storage apparatus. By means of the present invention, the assembly efficiency of fixing the energy storage apparatus to the ground can be improved.
H01M 50/251 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs fixes, p. ex. production d’énergie tampon ou production d’énergie de secours
H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
H01M 50/264 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures pour des cellules ou des batteries, p. ex. cadres périphériques, courroies ou tiges
23.
SODIUM ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWER CONSUMING DEVICE
The present application provides a sodium ion battery, comprising a positive electrode plate, a negative electrode plate and an electrolyte. The negative electrode plate comprises a negative electrode current collector and a primer coating layer formed on the surface of the negative electrode current collector. The electrolyte comprises a first sodium salt, and the first sodium salt includes at least one of a sulfur-containing organic sodium salt and a boron-containing organic sodium salt, and the sodium ion battery satisfies the following relationship: 0.84≤Y−0.01X≤5.84, wherein X g/m2 is the areal density of the primer coating layer, and Y % is the mass content of the first sodium salt, based on the total mass of the electrolyte.
Provided are an electrolyte, a battery, and an electrical device, the electrolyte comprises a solvent and an electrolytic salt dissolved in the solvent, the solvent comprises a first solvent comprising an ether solvent, and the ether solvent has a molecular structure in which the α-carbon atom directly bonded to an oxygen atom in an ether-oxygen bond function group does not have a hydrogen atom directly bonded to the α-carbon atom.
A separator is provided, comprising a first base film and a second base film. The second base film has a melting point lower than that of the first base film. The first base film includes fiber filaments with an average diameter greater than that of the fiber filaments in the second base film. The second base film includes a porous structure formed by the smaller-diameter fibers. The first base film and the second base film are configured such that the separator maintains structural integrity and continuous ion transport pathways during use in a secondary battery of the separator, such that the reliability of the secondary battery can be enhanced.
The present application provides a separator including: a first base film and a second base film, a melting point of the second base film being lower than a melting point of the first base film; a transverse elongation at break of the second base film being greater than a longitudinal elongation at break of the second base film, and the longitudinal elongation at break of the second base film being less than 100%. The separator provided in the present application can effectively improve the nail penetration performance of the separator and prevent metal dendrites from penetrating the separator and causing a short circuit, thereby improving the reliability of the secondary battery.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
This application provides a composite positive electrode material and preparation method thereof, a positive electrode plate, a secondary battery, and an electric apparatus. The preparation method includes: mixing a lithium source, a phosphorus source, an iron source, a carbon source, and a carbon graphitization catalyst in a predetermined ratio with a solvent to form a mixed slurry; grinding and drying the mixed slurry to obtain a mixed dry substance; and sintering the mixed dry substance to obtain the composite positive electrode material, a sintering temperature being 750° C.-840° C.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
Provided are battery cell, battery, and electric device. The battery cell includes housing, electrode assembly, and electrode terminal, wherein the housing has wall portion, which is provided with lead-out hole; the electrode assembly is accommodated in the housing; the electrode terminal includes first terminal portion and second terminal portion, which are made of different materials and compounded with each other; the first terminal portion passes through the lead-out hole, and the second terminal portion is electrically connected to the electrode assembly; the first terminal portion includes first limiting portion, and in the thickness direction of wall portion, the first limiting portion limits the first terminal portion from being separated from the lead-out hole in direction away from the electrode assembly; and when the first terminal portion is subjected to outward pulling force, the first limiting portion limits the electrode terminal from being separated from the lead-out hole.
H01M 50/553 - Bornes spécialement adaptées aux cellules prismatiques, de type poche ou rectangulaires
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/188 - Éléments de scellement caractérisés par la position des éléments de scellement les éléments de scellement étant arrangés entre le couvercle et la borne
29.
CURRENT COLLECTOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE
This application provides a current collector with a coating, a secondary battery, a battery module, a battery pack, and an electrical device. The coating includes at least a surface modification layer. The coating is formed on at least one side of the current collector. A thickness of the surface modification layer is not greater than 50 nm. The coating formed on at least one side of the current collector can effectively block direct contact between a negative electrode metal and an electrolyte solution constituent, thereby reducing side reactions between the negative electrode metal and the electrolyte solution, significantly reducing gas generated by the battery during a long period of cycling, and improving the cycle performance and safety of the battery.
An electrode plate comprises a current collector, an active material layer and a functional layer. The active material layer comprises a main body area and a thinned area, the thinned area being arranged at the end of the main body area in a first direction, and the thickness of the main body area being greater than the thickness of the thinned area. The thinned area of the active material layer of the electrode plate is provided with the functional layer that allows the electrolyte to pass through, such that after the electrode plate is wound or stacked to form an electrode assembly, a gap between the functional layer and the separator is small, thus helping to exhibit the capillary action, and enabling the electrolyte to pass through the functional layer to quickly infiltrate the thinned area.
A battery cell includes an electrode assembly housed in a shell. The electrode assembly comprises a plurality of electrode sheets of opposite polarities and separators interposed therebetween. The electrode sheets and separators are wound along a winding direction to form a wound structure. At least one electrode sheet includes a current collector substrate and a plurality of tabs. The tabs are connected to a side edge of the substrate extending in the winding direction and are spaced apart along that direction. At least some of the tabs are bent toward the winding axis, forming a tab stack at an end of the wound structure. The battery cell further includes conductive members welded to the tab stack and electrically connected to an electrode terminal located on a wall of the shell. Also disclosed are a battery including the battery cell and an electrical device incorporating the battery.
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/46 - Séparateurs, membranes ou diaphragmes caractérisés par leur combinaison avec des électrodes
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
32.
END COVER ASSEMBLY, BATTERY CELL, BATTERY PACK AND DEVICE
The present disclosure relates to an end cover assembly, a battery cell, a battery pack and a device. The end cover assembly includes a cover assembly, a terminal assembly, a sealing piece and a first connected flow channel. The cover assembly is provided with an installation hole, and the installation hole penetrates through the cover assembly along an axial direction of the installation hole; the terminal assembly is installed in the installation hole; the sealing piece is configured to seal the installation hole; the first connected flow channel is arranged in at least one of the terminal assembly and the cover assembly, and the first connected flow channel is configured as follows: when the sealing of the sealing piece is invalid, the first connected flow channel enables the inside and the outside of the housing to be communicated through the installation hole.
H01M 50/188 - Éléments de scellement caractérisés par la position des éléments de scellement les éléments de scellement étant arrangés entre le couvercle et la borne
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
An electrode component, a battery cell, a battery and an electrical apparatus are disclosed. The electrode component includes an electrode body including an active material layer, an insulation substrate and a conductive layer arranged on the insulation substrate, in which, a surface, facing away from the insulation substrate, of the conductive layer includes a first area and a second area which are arranged adjacent to each other in a first direction, and the active material layer covers the first area; and a tab assembly of which one end is connected to the second area; wherein in the first direction, the maximum space between the end, connected to the second area, of the tab assembly and the active material layer is D0, the minimum size of a part, not connected to the tab assembly, of the second area is D1, and D0 is smaller than D1.
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
A battery cell includes a housing, an electrode assembly, and an insulating member. The housing includes a first wall. The electrode assembly is housed within the housing. The insulating member is covered on an outer side of the housing and covers an outer surface of the first wall that is away from the electrode assembly in a thickness direction of the first wall. The insulating member is further provided with a first hollow region; along the thickness direction of the first wall, the first hollow region is positioned on a side of the first wall that is away from the electrode assembly; the first wall forms a first exposed region at a position corresponding to the first hollow region; and the first exposed region is configured for connecting with a compression strip.
H01M 50/242 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries contre les vibrations, les collisions ou le gonflement
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/291 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par leur forme
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
A pipe connection assembly, a liquid cooling system, a battery and an electric apparatus are provided. The pipe connection assembly includes a first connector and a first connection pipe, the first connector is configured to communicate with a liquid cooling plate; the first connection pipe includes a sealing section and a connecting section communicating with each other, the sealing section hermetically communicates with the first connector, and an inner diameter of the connecting section is less than that of the sealing section. The first connector is hermetically inserted into the sealing section; the sealing section is provided in a quantity of two and the two sealing sections are respectively disposed at two ends of the connecting section; and the first connector is provided in a quantity of two and the two first connectors are inserted into the two sealing sections in one-to-one correspondence.
A sodium metal battery cell and a preparation method thereof, a battery, and an electrical device. The sodium metal battery cell includes: an electrolyte solution, where the electrolyte solution includes a first additive, and the first additive includes an organic compound containing an unsaturated group; and a catalyst, where the catalyst includes at least one of a transition-metal pure element or an alloy thereof.
The present disclosure provides a battery and an electric device. The battery includes a plurality of battery cells. Each of the plurality of battery cells has an electrode assembly. The electrode assembly includes a main portion and a tab. Center lines of main portions of two adjacent battery cells of the plurality of battery cells are offset.
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/296 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les bornes des blocs de batterie
The present application relates to a negative electrode active material, its preparation method, a negative electrode plate, a lithium-ion battery, and an electrical apparatus. The lithium-ion battery comprises one or more battery cells, each containing a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface. The film layer comprises a negative electrode active material, which comprises an inner core and a coating layer. The inner core is graphite, while the coating layer contains hard carbon. In a cumulative distribution curve of R values under a laser microscopic confocal Raman spectrometer, the R50 value (50% cumulative distribution) ranges from 0.15 to 0.40. This negative electrode active material enhances the battery's energy density, kinetic performance, and cycling performance, making it highly efficient for lithium-ion battery applications.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
40.
POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC APPARATUS
A positive electrode material, a preparation method thereof, a positive electrode plate, a secondary battery, and an electric apparatus. The positive electrode material includes positive electrode material particles. The positive electrode material particle includes a matrix and a modifying element, where the matrix includes LiNixCoyMnzO2, where x≥0.8, y≤0.12, and x+y+z=1. The modifying element includes a rare earth element and/or a refractory metal element.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
C01G 53/42 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2
C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
A battery cell, a battery, and an electrical device are disclosed. The battery cell comprises: a casing assembly, comprising a casing and a first pole, the first pole comprising a pole body and a first cover plate, the pole body being mounted in the casing, and the first cover plate being arranged on the pole body; and a cell assembly, comprising an active material coating portion and a conductive portion connected to the active material coating portion, the active material coating portion being accommodated in the casing, and the conductive portion being connected to the pole body by means of a first welding portion. The first welding portion is at least partially located on the side of the pole body away from the active material coating portion, and the first cover plate is used for shielding the first welding portion.
H01M 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
A battery includes a battery pack and a reinforcing member. The battery pack includes multiple battery cells stacked along a first direction; and the reinforcing member extends along the first direction; where the reinforcing member is disposed on at least one side of the battery pack along the first direction, and the reinforcing member is connected to the battery pack.
H01M 50/242 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries contre les vibrations, les collisions ou le gonflement
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
H01M 10/656 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par le type de fluide pour l'échange de chaleur
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
H01M 50/289 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs
H01M 50/503 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par la forme des interconnecteurs
43.
Grouping device, grouping method, and battery production line
A driving apparatus disposed on a frame drives a rotary table to rotate. At least three carrying assemblies are disposed on the rotary table and spaced apart along a circumferential direction of the rotary table, and are configured to carry battery cells. Among the carrying assemblies, at least one is located at a loading position, at least one is located at an unloading position, and at least one is located at a pressing position. The loading position is located on a side of the pressing position facing away from a rotation direction of the rotary table. The unloading position is located on a side of the pressing position facing the rotation direction of the rotary table. A pressing assembly disposed on the frame is configured to press battery cells carried by the carrying assembly located at the pressing position so as to the battery cells.
A battery includes a box, at least one battery cell group, reinforcing pieces, and a connecting piece. The box includes first and second limiting portions disposed opposite each other in a first direction. The at least one battery cell group is disposed in the box and located between the first limiting portion and the second limiting portion, and the battery cell group includes battery cells arranged in the first direction. The reinforcing pieces are disposed in the box and located between the first limiting portion and the second limiting portion. The reinforcing pieces are spaced apart in the first direction, and at least one of the battery cells is disposed between two adjacent ones of the reinforcing pieces. One end of the connecting piece is connected to the first limiting portion, and the other end of the connecting piece is connected to the second limiting portion.
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/242 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries contre les vibrations, les collisions ou le gonflement
45.
METHOD, APPARATUS AND SYSTEM FOR THERMAL RUNAWAY PROCESSING AND STORAGE MEDIUM
The embodiments of the present application provide a method, apparatus and system for thermal runaway processing and a storage medium. The method first obtains a battery parameter for each of a plurality of battery modules in a power battery pack, then determines that a thermal runaway is occurred in a first battery module based on the battery parameter for each of the plurality of battery modules; and then obtains a second battery module based on the first battery module, wherein the second battery module corresponds to at least one battery module excluding the first battery module in the power battery pack; and finally supplies power to a chiller system with the second battery module.
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 10/613 - Refroidissement ou maintien du froid
A heat-insulation protection layer includes a first surface and a second surface oriented back-to-back against each other. The first surface is configured to face a heat source. An axial heat transfer coefficient T1 of the heat-insulation protection layer is less than a transverse heat transfer coefficient T2 of the heat-insulation protection layer. Heat generated by the heat source radiates to the first surface. When a temperature of the first surface is less than or equal to 1600° C., that is, when the heat radiates to the first surface and makes the temperature of the first surface be less than or equal to 1600° C., a temperature of the second surface does not exceed 1200° C.
The present application provides a current collector, a secondary battery and a power consuming device. The current collector is divided into a first region and a second region, wherein the first region is in contact with the second region, and the first region has an elastic modulus greater than that of the second region.
A battery cell includes an electrode assembly including a first electrode plate and a second electrode plate having opposite polarities, and a separator, and a housing accommodating the electrode assembly. The first electrode plate includes a plurality of first electrode plate portions. The second electrode plate includes a plurality of second electrode plate portions. Along a first direction, the first electrode plate portions and the second electrode plate portions are stacked. The separator is configured to insulate and separate the first electrode plate portion from the second electrode plate portion. The housing has a pressure relief mechanism. At least one of the first electrode plate portions is provided with a first notch facing the pressure relief mechanism at a position corresponding to the pressure relief mechanism. Along the first direction, the separator covers the first notch. The first notch is provided on the first electrode plate portion.
A perovskite solar cell includes a first electrode, a first charge transport layer, a perovskite absorption layer, a second charge transport layer, and a second electrode. The first charge transport layer is arranged on a side of the first electrode; the perovskite absorption layer is arranged on a side of the first charge transport layer away from the first electrode; the second charge transport layer is arranged on a side of the perovskite absorption layer away from the first charge transport layer; and the second electrode is arranged on a side of the second charge transport layer away from the perovskite absorption layer. where the perovskite absorption layer, the second charge transport layer, and the second electrode meet the following relations: d=kλ/2n1 and n12=an2×n0.
H10K 30/40 - Dispositifs organiques sensibles au rayonnement infrarouge, à la lumière, au rayonnement électromagnétique de plus courte longueur d'onde ou au rayonnement corpusculaire comprenant une structure p-i-n, ayant p. ex. un absorbeur pérovskite entre des couches de transport de charge de type p et de type n
This application provides an electrolyte composition, a secondary battery, a battery module, a battery pack, and an electrical device. The electrolyte composition is a non-Newtonian fluid electrolyte composition. The electrolyte composition can improve the impact resistance and safety of the battery by a thixotropic action that occurs in response to an applied external force.
A battery cell, a battery, and an electric apparatus are provided. The battery cell includes an electrode assembly comprising a first electrode plate, a second electrode plate, and a spacer. The first and second electrode plates have opposite polarities, with the spacer positioned between them. The electrode assembly is wound along a winding direction to form a winding structure. The first electrode plate has multiple first tabs bent at an end portion to form a first tab stacking structure, while the second electrode plate has multiple second tabs bent to form a second tab stacking structure. A first conductive member is welded to the first tab stacking structure, and a second conductive member is welded to the second tab stacking structure. In a direction parallel to the winding axis, a gap is present between the spacer and at least one bending position of the first or second tabs.
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
52.
BATTERY MIX SYSTEM, CONTROL MEHTOD AND CONTROL DEVICE THEREOF, AND STORAGE MEDIUM
Provided are a battery mix system, a control method and a control device thereof, and a storage medium. The battery mix system includes N battery clusters, the N battery clusters being connected in parallel, N being an integer greater than 1. The method includes: obtaining an electric energy exchange capability of the N battery clusters after receiving an electric energy exchange demand sent by external electric energy exchange terminal; determining one or more target battery clusters from the N battery clusters according to the electric energy exchange demand and the electric energy exchange capability of the N battery clusters; and establishing electrical connections between the one or more target battery clusters and the external electrical energy exchange terminal for electrical energy exchange with the external electrical energy exchange terminal.
An isolating plate assembly, a battery module, a battery pack, and an electrical device. The isolating plate assembly includes an isolating plate, provided with a plurality of busbar mounting positions; busbars, mounted at the busbar mounting positions; an output electrode, having a first fixing portion and a second fixing portion, the first fixing portion being electrically connected to at least one busbar; and an insulating plate, having a first connecting portion and a second connecting portion, the first connecting portion being connected to the isolating plate, and the second connecting portion being connected to the second fixing portion.
H01M 50/503 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par la forme des interconnecteurs
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/296 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les bornes des blocs de batterie
H01M 50/507 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant un arrangement de plusieurs barres omnibus réunies dans une structure de conteneur, p. ex. modules de barres omnibus
54.
POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION BATTERY, SODIUM ION BATTERY MADE FROM SAME, BATTERY MODULE, BATTERY PACK AND APPARATUS
The present disclosure relates to a sodium ion battery that includes a positive electrode plate, a negative electrode plate, and a separator disposed therebetween. The positive electrode plate includes a positive electrode current collector, on at least one side of which a positive electrode active material layer is disposed. Specifically, the positive electrode active material mainly includes an O3-phase layered metal oxide having the following molecular formula: NaaMbNicFedMneO2+δ (Formula I), in which M is a metal cation different from Ni, Fe and Mn; 0.67
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
55.
GEL ELECTROLYTE COMPOSITION, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE
A gel electrolyte composition, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. A viscosity of the gel electrolyte composition at 25° C. is 500 mPa·s to 100000 mPa·s. The gel electrolyte composition falls within an appropriate viscosity range, thereby increasing the interface wettability of the battery and the ionic conductivity of the gel electrolyte composition at a room temperature and a high temperature, and on the other hand, alleviating interface side reactions of the gel electrolyte composition and improving the Coulombic efficiency of the battery.
H01M 10/0565 - Matériaux polymères, p. ex. du type gel ou du type solide
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
56.
ELECTROLYTE FOR SECONDARY BATTERY, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS
This application provides an electrolyte for secondary battery, a secondary battery, a battery module, a battery pack, and an electric apparatus. The electrolyte for secondary battery includes a fluoroether solvent and an additive, where the additive includes one or more of ionic liquid additive, amide compound additive, cation shielding additive, and alloy additive. In this application, with one or more of ionic liquid additive, amide compound additive, cation shielding additive, and alloy additive added in an electrolyte containing the fluoroether solvent, interface stability of the secondary battery is significantly enhanced, and the cycling performance, storage stability, and overall safety of the secondary battery are improved.
A positive electrode material includes a laminar lithium-containing metal oxide which includes other positive ions with a radius greater than a radius of lithium ions. The radius of the other positive ions in the positive electrode material is greater than the radius of the lithium ions, so that the other positive ions may play a supporting role in a laminar structure to enhance a misalignment energy barrier, alleviate the problem of aggravated misalignment of metal ions and lithium ions in a laminar negative electrode, and improve the stability of the laminar structure. Moreover, the other positive ions in the positive electrode material may also be embedded into a negative electrode material, where the other positive ions with the greater ionic radius play a supporting role in graphite, so as to reduce expansion/shrinkage of the graphite in the process that the ions with the less ionic radius are intercalated/deintercalated.
C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
58.
PREPARATION METHOD FOR POSITIVE ELECTRODE SLURRY, SECONDARY BATTERY, BATTERY PACK AND ELECTRICAL APPARATUS
A method for preparing a positive electrode slurry is disclosed, along with a secondary battery, a battery pack, and an electrical apparatus. The method includes three stirring steps. In a first stirring step, a binder and a solvent are stirred to form a glue solution. In a second stirring step, a positive electrode active material and a conductive agent are added to the glue solution and stirred to form a mixture. In a third stirring step, additional binder and solvent are stirred with the mixture to obtain the positive electrode slurry. The binder and solvent used in the first and third stirring steps are of the same types. Based on the total mass of binder, 50-70% is added during the first stirring and 30-50% during the third. Similarly, 50-70% of the solvent is added in the first stirring and 30-50% in the third.
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
A battery cell includes an electrode assembly and an electrolyte solution. The electrode assembly includes a positive electrode sheet, a negative electrode sheet, and a separator. The electrolyte solution includes an organic solvent and an electrolyte salt dissolved in the organic solvent. The electrolyte salt includes a lithium salt and another alkali metal salt different from the lithium salt. A value of the compacted density of the positive electrode sheet is in a range of 2.8 g/cm3 to 4.0 g/cm3. The radii of alkali metal ions in the another alkali metal salt are greater than those of lithium ions, and the alkali metal ions can be intercalated into some lithium sites of a positive electrode in a first discharging process, to improve structural stability, and increase components of organic lithium in an SEI in a formation process of an SEI film during first charging and discharging.
This application provides a positive active material. The positive active material is a composite of NaxRy(PO4)z(P2O7)k and C, where 1≤x≤7, 1≤y≤4, 1≤z≤2, 1≤k≤4, and R includes at least one of Mg, Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Sn, Hf, Ta, W, or Pb; and a water content of the positive active material is not higher than 1600 ppm. This application further provides a method for preparing the positive active material, a positive electrode plate containing the material, a secondary battery, and an electrical device. The positive active material of this application contains a relatively low water content.
A plate assembly includes a first plate, a second plate, and a support body. The first plate is provided with a cavity and a reinforcing portion, and the reinforcing portion is located in the cavity. At least one end of the first plate is provided with a slot with an opening facing outside the cavity, and the slot is located in a space enclosed by an inner wall of the cavity. The support body is inserted into the slot. The second plate is located on a side of the support body far away from the first plate, and is connected to the first plate.
A thermal management system for battery, a battery, and an electric apparatus are provided, where the thermal management system includes a thermal management system body and a monitoring tube. The thermal management system body includes a medium pipe for circulating a heat exchange medium, where the medium pipe is provided with an inlet end and an outlet end, and the detachable monitoring tube is disposed on at least one of the inlet end and the outlet end.
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
G01N 17/00 - Recherche de la résistance des matériaux aux intempéries, à la corrosion ou à la lumière
This application discloses a secondary battery and an electric apparatus. The secondary battery includes a positive electrode plate, a negative electrode plate, an electrolyte, and a separator sandwiched between the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode active material. The positive electrode active material includes LiFexM(1-x)PO4, where 0
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
A battery is disclosed, including a battery body. The battery body includes a battery cell and a housing. The housing defines a recess that penetrates through the housing from one end to another end along a first direction. The battery is disposed at a bottom of a vehicle. A bottom longitudinal beam of the vehicle runs through and fits in the recess along the first direction. The housing is provided with a plurality of first mounting structures. The first mounting structures are configured to detachably mount the battery body into the vehicle. At least two of the plurality of first mounting structures are spaced apart along a second direction and located on two sides outside the recess. The first direction intersects the second direction. This application further discloses a bracket matching the battery, and a vehicle containing the battery or the bracket.
The present application provides a fluoropolymer, a primer slurry, a secondary battery and an electrical apparatus. The fluoropolymer comprises a structural unit derived from a monomer represented by formula I, and a structural unit derived from a monomer represented by formula II. A molar content of the structural unit derived from the monomer represented by the formula I is in a range from 70% to 90% on the basis of the total mole number of the structural units in the fluoropolymer, wherein R1, R2, and R3 are each independently selected from one or more of hydrogen, fluorine, chlorine and fluorine substituted C1-3 alkyl, R4, R5, and R6 are each independently selected from one or more of hydrogen, and substituted or unsubstituted C1-5 alkyl, and R7 is selected from substituted or unsubstituted C1-9 alkyl.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
66.
POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND ELECTRIC DEVICE
Provided is a positive electrode sheet, comprising a positive electrode current collector and a positive electrode film layer, wherein the positive electrode film layer is arranged on at least one surface of the positive electrode current collector, the positive electrode film layer comprises a first positive electrode film layer and a second positive electrode film layer, and the first positive electrode film layer is located between the positive electrode current collector and the second positive electrode film layer. The first positive electrode film layer comprises a first positive electrode active material, the specific surface area of the first positive electrode active material is 12 m2/g to 16 m2/g, and on the basis of the total weight of the first positive electrode active material, the carbon content of the first positive electrode active material is 1.0 wt% to 1.5 wt%; and the second positive electrode film layer comprises a second positive electrode active material, the specific surface area of the second positive electrode active material is 6 m2/g to 19 m2/g, and on the basis of the total weight of the second positive electrode active material, the carbon content of the second positive electrode active material is 1.1 wt% to 2.1 wt%.
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
67.
ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE
An electrode assembly comprises a positive electrode plate, a negative electrode plate, and a separator, where the separator is disposed between the positive electrode plate and the negative electrode plate; the expansion layer is disposed between the positive electrode plate and the negative electrode plate, and the expansion layer is used for expansion in response to a preset condition to cut off an electrical connection between the positive electrode plate and the negative electrode plate.
H01M 50/578 - Dispositifs ou dispositions pour l’interruption du courant en réponse à la pression
H01M 50/586 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’intérieur des batteries p. ex. les contacts incorrects des électrodes
68.
PRELITHIATED ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, SECONDARY BATTERY, AND ELECTRICAL DEVICE
A prelithiated electrode material and a preparation method thereof, a secondary battery, and an electrical device. A particle diameter of the prelithiated electrode material is 20 nm to 50 μm. The prelithiated electrode material includes a lithiation layer. The lithiation layer includes at least one lithiation sublayer. When a number of the lithiation sublayers is greater than or equal to 2, a content of lithium in the lithiation sublayers decreases layer by layer from a surface to an interior of the prelithiated electrode material.
A battery cell, a battery, and an electric device. The battery cell includes a casing, an electrode assembly, and a current collecting member. The electrode assembly includes a first tab. The casing is used for accommodating the electrode assembly. The current collecting member includes a first connection portion and a second connection portion. The first connection portion is electrically connected to the first tab. The second connection portion is connected to the first connection portion and protrudes in a direction away from the electrode assembly. The second connection portion includes at least one first protrusion and at least one second protrusion. The height of the second protrusion is greater than the height of the first protrusion. The at least one first protrusion is welded to the casing. The at least one second protrusion is welded to the casing.
H01M 50/169 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par soudage, brasage ou brasage tendre
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
70.
ELECTROLYTE SOLUTION, BATTERY CONTAINING SAME, AND POWER CONSUMING APPARATUS
Embodiments of this application provide an electrolyte solution, a battery containing the same, and a power consuming apparatus. The electrolyte solution includes: a first additive, where the first additive includes at least one of a compound containing at least groups represented by formula (I) and formula (II), and a compound containing at least groups represented by formula (I) and formula (III). Cycle performance and storage life of the battery containing the electrolyte solution are both improved.
Embodiments of this application provide an electrolyte solution, a battery containing the same, and a power consuming apparatus. The electrolyte solution includes: a first additive, where the first additive includes at least one of a compound containing at least groups represented by formula (I) and formula (II), and a compound containing at least groups represented by formula (I) and formula (III). Cycle performance and storage life of the battery containing the electrolyte solution are both improved.
Related are a fullerene composite material and a preparation method therefor, a perovskite solar cell and a preparation method therefor, and an electrical device. The fullerene composite material includes a host material and a doping material, where the host material includes at least one of a first fullerene and a first fullerene derivative, the doping material is selected from at least one of a second fullerene and a second fullerene derivative, and a molecular structure of the doping material is partially embedded in a lattice of the first fullerene and/or the first fullerene derivative.
H10K 30/40 - Dispositifs organiques sensibles au rayonnement infrarouge, à la lumière, au rayonnement électromagnétique de plus courte longueur d'onde ou au rayonnement corpusculaire comprenant une structure p-i-n, ayant p. ex. un absorbeur pérovskite entre des couches de transport de charge de type p et de type n
This disclosure discloses a pressing apparatus, a battery production line, and a pressing method. The pressing apparatus is configured to press a workpiece queue. The pressing apparatus includes: a placement table, configured to support the workpiece queue, where the workpiece queue includes a plurality of workpieces arranged along a first direction; and at least one pressing assembly, where each pressing assembly includes a first presser and a stopper arranged opposite the first presser, where the first presser is configured to apply an acting force along the first direction to the workpiece queue, the stopper is configured to block the workpiece queue, and the first presser and the stopper are constructed to be capable of moving towards or away from each other along the first direction, where the pressing assembly is constructed to be capable of moving along a second direction intersecting the first direction.
A sodium battery cell, a battery, and a power consuming apparatus. The sodium battery cell includes: a negative electrode plate, a positive electrode plate, and an electrolyte solution. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer. At least one of the negative electrode film layer, the positive electrode film layer, and the electrolyte solution includes a lithium-containing compound.
An ester polymer, an electrode plate, and a related battery cell, battery, and electric apparatus are described. The ester polymer is added with a first solvent at 45° C. to form an ester polymer system; the ester polymer system is left standing at 45° C. for 8 h and at 25° C. for ≥24 h, and then the ester polymer system is filtered through a 200-mesh filter screen to leave a first material, where a mass of the ester polymer is n, in g; a mass of the first material is m, in g; and the ester polymer and the first material meet 5≤m/n≤1000. When the ester polymer is applied in a battery cell, the cycling performance of the battery cell can be improved.
C08F 20/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
75.
BATTERY GRABBING DEVICE, BATTERY PRODUCTION LINE, AND CONTROL METHOD FOR BATTERY GRABBING DEVICE
A battery grabbing device, a battery production line, and a control method for a battery grabbing device are disclosed, where the battery grabbing device can increase the level of automation of the battery grabbing device. By using the control method for the battery grabbing device, qualified batteries can be grabbed quickly and accurately. The battery grabbing device includes a support, a workbench, a detection apparatus, a battery grabbing apparatus, and a tray grabbing apparatus, where the workbench is configured to carry a tray and a battery in the tray, the detection apparatus is disposed on the support and configured to detect whether the battery on the workbench is qualified, the battery grabbing apparatus is configured to grab the qualified battery, and the tray grabbing apparatus is at least configured to grab the tray after the battery grabbing apparatus grabs the qualified battery.
A tearing apparatus includes a mounting bracket, a movement mechanism, and a clamping mechanism. The movement mechanism includes a first movement assembly and a second movement assembly. The first movement assembly is arranged on the mounting bracket. The first movement assembly is configured to drive the second movement assembly to move along a first direction. The clamping mechanism includes a connecting bracket and a clamping assembly. The second movement assembly is configured to drive the connecting bracket to move along a second direction. The clamping assembly is connected to the connecting bracket, and a clamping piece of the clamping assembly can move along a third direction. The clamping piece is configured to clamp a target piece of a material for tearing. The first direction, the second direction, and the third direction intersect with one another.
Provided are a fluoropolymer, a conductive slurry, a positive electrode plate, a secondary battery, and an electrical apparatus. The fluoropolymer comprises a structural unit derived from a monomer represented by formula I and a structural unit derived from a monomer represented by formula II, wherein R1, R2 and R3 are each independently selected from one or more of hydrogen, fluorine, chlorine and fluorine-substituted C1-3 alkyl; R4 and R5 are selected from hydrogen, substituted or unsubstituted C1-5 alkyl; and R6 is selected from one or more of aryl-substituted C1-5 alkyl, substituted or unsubstituted aryl. The fluoropolymer can improve the filterability, anti-gelling property and storage performance of the conductive slurry, thus significantly broadening a process window of the conductive slurry and improving processability of the conductive slurry.
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
A battery cell (6), a battery (2), and an electrical device. The battery cell (6) comprises an electrode assembly (10), a casing (20), a pressure relief mechanism (40), and a protective member (50). The electrode assembly (10) is accommodated in the casing (20). The casing (20) comprises a wall portion. The pressure relief mechanism (40) is arranged on the wall portion. In the thickness direction of the wall portion, at least part of the protective member (50) is provided between the pressure relief mechanism (40) and the electrode assembly (10). When a high-temperature substance outside the battery cell (6) acts on the pressure relief mechanism (40) and melts through the pressure relief mechanism (40), the protective member (50) can bear the thermal shock of the high-temperature substance and separate at least part of the high-temperature substance from the electrode assembly (10), so that the risk of conduction of a positive electrode and a negative electrode of the electrode assembly (10) by the high-temperature substance is reduced, thereby improving the reliability of the battery cell (6).
A negative electrode current collector and a preparation method therefor, a battery cell, a battery and an electric device. The preparation method for a negative electrode current collector comprises the following steps: providing a metal matrix, wherein the metal matrix is of a two-dimensional metal structure or a three-dimensional porous metal structure; and using laser to irradiate at least part of the surface of the metal matrix, so as to enable metal crystal grains in a heat-affected zone of the metal matrix during laser ablation to be fused and recrystallized into metal crystal grains with a smaller size, thereby obtaining the negative electrode current collector. The negative electrode current collector can improve the reliability and cycle performance of a battery.
A separator and a preparation method thereof, a secondary battery, and an electric apparatus are provided. The separator includes a substrate and a coating. The coating is provided on at least one side of the substrate, where the coating includes primary particles and secondary particles, the primary particles being organic particles and the secondary particles having a pore structure.
H01M 50/414 - Résines synthétiques, p. ex. thermoplastiques ou thermodurcissables
H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
An electrolyte for sodium secondary battery, a sodium secondary battery, a battery module, and an electric apparatus. The electrolyte for sodium secondary battery includes a sodium salt, an ether solvent, and a fluoroether solvent. The electrolyte includes ether solvent molecules and fluoroether solvent molecules that form a co-solvation structure with sodium ions.
This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, a housing, and a current collecting member. The electrode assembly includes a first tab; the housing is configured to accommodate the electrode assembly; and the current collecting member is accommodated in the housing, the current collecting member is electrically connected to the first tab, and the current collecting member is connected to the housing by welding.
A method for generating ship propulsion and a ship, so as to provide ship propulsion that is both safe and reliable while achieving low pollutant emissions are described. The method for generating ship propulsion includes: converting urea stored in a ship into a hydrogen-containing combustible substance; and utilizing chemical energy of the hydrogen-containing combustible substance to generate propulsion for driving the ship. With the technical solutions of the embodiments of this application, urea, as a safe, stable, easy-to-produce, and low-cost raw material, can be stably and reliably transported and stored in the ship, ensuring the stable driving and voyage safety of the ship. In addition, the hydrogen-containing combustible substance formed from the conversion of urea does not include sulfur element, which can effectively reduce pollutants such as sulfur oxides generated during the driving of the ship, meeting low pollutant emission requirements of the ship.
B60L 58/12 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction de l'état de charge [SoC]
Provided are a battery cell, a battery, and an electric device. The battery cell includes a housing, an electrode assembly, a first insulating member, and a support frame. The housing is provided with a first wall, and the electrode assembly is accommodated within the housing. The electrode assembly includes a main portion. Along a thickness direction of the first wall, the first insulating member is provided on a side of the first wall facing the electrode assembly. Along the thickness direction of the first wall, the support frame is arranged between the main portion and the first insulating member, and the support frame is thermally fused to the first insulating member.
H01M 50/586 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’intérieur des batteries p. ex. les contacts incorrects des électrodes
H01M 50/172 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers
H01M 50/528 - Connexions électriques fixes, c.-à-d. non prévues pour être déconnectées
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
A battery cell, a battery, and an electrical apparatus. The battery cell includes a shell, an electrode assembly, an electrode column, a current collector component, and a mounting rack. The shell has a first wall. The electrode assembly is accommodated inside the shell, and includes a main body part and a tab. Along the thickness direction of the first wall, the tab is set at one end of the main body part facing the first wall. The electrode column is installed on the first wall. The current collector component connects the electrode column and the tab. Along the thickness direction of the first wall, the mounting rack is set between the first wall and the main body part, and the current collector component is connected to the mounting rack.
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
A battery and an electrical device are disclosed. The battery includes a plurality of battery cells. At least two of the battery cells are disposed opposite to each other. At least one electrode post of the two battery cells disposed opposite to each other is located on one side of each of two battery cells, where the one side of one battery cell is oriented toward the one side of the other battery cell. An insulation structure is disposed between the two battery cells disposed opposite to each other. At least a part of the insulation structure is located between the electrode posts of the two battery cells, the electrode posts being oriented toward each other.
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/291 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par leur forme
H01M 50/588 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’extérieur des batteries, p. ex. les contacts incorrects des bornes ou des barres omnibus
87.
CYLINDRICAL BATTERY CELL, BATTERY, ELECTRICITY CONSUMING DEVICE, MANUFACTURING METHOD AND MANUFACTURING SYSTEM
A cylindrical battery cell, a battery, an electricity consuming device, a manufacturing method and a manufacturing system are provided. The cylindrical battery cell includes a shell, including an opening; and an electrode assembly, disposed in the shell, the electrode assembly including a separator and a tab, and along an axial direction of the electrode assembly, the tab being located at one end of the electrode assembly and extending toward the opening, the tab including a first portion and a second portion, the second portion surrounding a periphery of the first portion, and the separator wrapping the second portion to isolate the second portion from the shell, wherein along the axial direction, the first portion extends beyond the second portion and the separator, and the second portion does not extend beyond the separator. The battery cell of the present application solves a problem of short circuit in the battery cell.
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
H01M 50/586 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’intérieur des batteries p. ex. les contacts incorrects des électrodes
A liquid injection device includes a liquid injection assembly, a first driving mechanism, and a carrying mechanism. The liquid injection assembly includes a liquid injection body and a liquid injection head arranged on the body. The first driving mechanism is configured to drive the liquid injection assembly to move. The carrying mechanism is configured to carry a replaceable wiping member. The carrying mechanism cooperates with the first driving mechanism, so that the liquid injection head comes into contact with a different position on the replaceable wiping member, and then the liquid injection head is wiped.
A grabbing apparatus, a grabbing device, a battery production line, and a control method are provided. The grabbing apparatus includes a rack, a clamping plate mechanism, and a distance varying mechanism, where the rack is configured to connect to a manipulator; the clamping plate mechanism includes two clamping plate assemblies spaced apart and is configured to clamp multiple battery cells; the distance varying mechanism is arranged on the rack and drivably connected to the two clamping plate assemblies to adjust a distance between the two clamping plate assemblies; the two clamping plate assemblies are a reference clamping plate assembly and a floatable clamping plate assembly; the reference clamping plate assembly is capable of providing a clamping reference for the multiple battery cells; and the floatable clamping plate assembly is capable of clamping each battery cell tightly.
A battery, an energy storage apparatus, and an electric device are disclosed. The battery includes a battery cell, a first box, a second box, and a flow channel, where the first box and the second box are connected to each other so as to jointly define a closed space used for accommodating the battery cell; and the flow channel is configured to accommodate a heat exchange medium so as to adjust the temperature of the battery cell. The battery further includes an inlet tube and an outlet tube, where the inlet tube and the outlet tube are both in communication with the flow channel; and the inlet tube and the outlet tube are both located on a side of the first box facing the second box and outside the closed space. The technical solution provided in the present application can increase the energy density of the battery.
A silicon-based negative electrode active material. The silicon-based negative electrode active material includes a silicate containing an alkaline earth metal element, and the silicon-based negative electrode active material contains both the element K and the element Mn. A method for preparing the silicon-based negative electrode active material. A secondary battery includes a negative electrode that includes the silicon-based negative electrode active material.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
92.
HOUSING ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
A housing assembly, a battery cell, a battery, and an electric device. The housing assembly is used for the battery cell and includes a housing and a separator. A pressure relief portion is formed on an outer surface of the housing; the separator includes a fitting surface, a groove is formed on the fitting surface, the fitting surface is fitted to the outer surface of the housing, and at least part of the pressure relief portion is accommodated in the groove.
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/457 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches
H01M 50/469 - Séparateurs, membranes ou diaphragmes caractérisés par leur forme tubulaires ou cylindriques
Provided are a battery cell, battery, and an electrical equipment. The battery cell includes a housing and a first insulating member. The housing provides a welding mark region. The first insulating member is arranged on an outer surface of the housing, and the first insulating member provides a first thickened region, wherein the first thickened region covers at least a portion of the welding mark region. This reduces the risk of the welding mark region piercing through the first insulating member, which could cause insulation failure of the battery cell. Thus, the insulation performance of the battery cell is improved.
An energy storage system and an equipotential apparatus thereof, an energy storage device, and a power station. Under a condition that the equipotential apparatus is disposed between a positive direct-current bus and negative direct-current bus of the energy storage system, a potential (or electric potential) of an equipotential node in the equipotential apparatus is between a positive direct-current bus voltage and negative direct-current bus voltage of the energy storage system.
A negative electrode active material and a preparation method therefor, a negative electrode sheet, a lithium-ion battery, and an electric device. The lithium-ion battery comprises one or more battery cells (5), the battery cell (5) comprises a negative electrode sheet, the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, and the negative electrode film layer comprises a negative electrode active material. The negative electrode active material comprises an inner core and a coating layer located on at least part of the surface of the inner core, wherein the inner core comprises graphite, and the coating layer comprises amorphous carbon; and in the cumulative distribution curve of the R value of the negative electrode active material obtained in the area scanning mode of a laser microscopic confocal Raman spectrometer, the concentration degree of the R value is less than or equal to 2.0.
A negative electrode active material and a preparation method therefor, a negative electrode sheet, a lithium-ion battery, and an electric device. The lithium-ion battery comprises one or more battery cells (5), the battery cell (5) comprises a negative electrode sheet, the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, and the negative electrode film layer comprises a negative electrode active material. The negative electrode active material comprises an inner core and a coating layer located on at least part of the surface of the inner core, wherein the inner core comprises graphite, and the coating layer comprises hard carbon; and in the cumulative distribution curve of the R value of the negative electrode active material obtained in the area scanning mode of a laser microscopic confocal Raman spectrometer, from the lower limit, the R value of R50 having a cumulative distribution of 50% is 0.15-0.40. The negative electrode active material can make the battery have both a high energy density, and good dynamic performance and cycle performance.
This application discloses a nonaqueous electrolyte solution, a secondary battery containing the nonaqueous electrolyte solution, and an electrical device. The nonaqueous electrolyte solution includes: a compound A including a saturated five-membered ring or six-membered ring and at least one fluorine-containing substituent, where the ring contains 1 or 2 oxygen atoms as ring atoms, and a ring carbon atom connected to the oxygen atom in the ring is not directly replaced by fluorine; and a compound B including a saturated five-membered ring or six-membered ring that contains 1 or 2 oxygen atoms as ring atoms, where at least one ring carbon atom connected to the oxygen atom in the ring is directly replaced by at least one fluorine atom.
A battery and an electrical device are disclosed. The battery includes multiple structural components. The multiple structural components are arranged along a first direction. At least one structural component is a battery row, which includes at least one battery cell. The battery cell includes a first surface provided with an electrical connection portion. The first surface is oriented toward an adjacent structural component; and a support piece. The support piece is disposed between the battery row and the adjacent structural component. The support piece is configured to space the first surface and the adjacent structural component apart by a fixed clearance.
H01M 50/242 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries contre les vibrations, les collisions ou le gonflement
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/289 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs
H01M 50/507 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant un arrangement de plusieurs barres omnibus réunies dans une structure de conteneur, p. ex. modules de barres omnibus
A battery and an electric apparatus are disclosed. The battery includes: a housing having an accommodating space; battery units in the accommodating space. The battery unit includes a plurality of battery cells disposed side by side along a first direction, and the plurality of battery units are disposed side by side along a second direction. At least two battery cells in the plurality of battery units have different chemical systems. A thermal management assembly is disposed in the accommodating space, where the thermal management assembly includes a heat exchange plate that is disposed on at least one side of the battery units in the second direction, the heat exchange plate is connected to the plurality of battery cells of the battery units, and the heat exchange plate is configured to accommodate a heat exchange medium to adjust temperature of the plurality of battery cells of the battery units.
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/289 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs
100.
POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE
A positive electrode plate includes a positive current collector and a positive electrode film layer. The positive electrode film layer is disposed on at least one surface of the positive current collector. The positive electrode film layer includes a first positive electrode film layer and a second positive electrode film layer. The first positive electrode film layer is located between the positive current collector and the second positive electrode film layer. The first positive electrode film layer includes a first positive active material. A specific surface area of the first positive active material is 12 m2/g to 16 m2/g. The second positive electrode film layer includes a second positive active material. A specific surface area of the second positive active material is 6 m2/g to 19 m2/g.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
brevets
