An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes composite particles which comprise a silicon-containing coating formed on a surface of carbon-based particles comprising porous, wherein the composite particles have a C/SiC peak intensity ratio of 1.0 to 4.5, which is measured through X-ray diffraction analysis after performing heat treatment on the composite particles at 900° C. to 1200° C. for 6 hours to 9 hours. The anode active material for a lithium secondary battery has improved capacity characteristics, output characteristics and lifespan characteristics.
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
C01B 32/324 - Préparation caractérisée par les matières de départ à partir de matières résiduelles, p. ex. pneumatiques ou liqueur noire de sulfite résiduaire
C01B 32/336 - Préparation caractérisée par des agents d’activation gazeux
C01B 33/029 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition de monosilane
A battery module includes a plurality of battery cells, each including a case and a sealing portion provided on at least one edge of the case, and including a first battery cell and a second battery cell adjacent to each other in a first direction; and a support frame opposite the plurality of battery cells and into which at least a portion of the sealing portion is inserted, wherein the support frame includes a support guide configured to guide at least portions of the sealing portion of the first battery cell and the sealing portion of the second battery cell to be spaced apart from each other in opposite directions with respect to the first direction.
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 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
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 50/503 - 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
3.
System and Apparatus or Inspecting Coating State and an Operation Method Thereof
The present disclosure relates to a system and apparatus for inspecting a coating state and an operation method thereof. The operation method of the apparatus for inspecting a coating state according to an embodiment of the present disclosure may include: using a photographing module, photographing at least a partial area of a base plate which comprises a first area coated with a first material and a second area not coated with the first material, wherein a partial area of the first material and a partial area of the second area 31b are coated with a second material, to obtain an inspection image; generating a brightness histogram related to a brightness of the inspection image based on a pre-trained brightness distribution estimation model; and estimating an overlapping section where the second material and the first material are overlapped based on the generated brightness histogram.
A pouch forming method may include: a disposing operation of disposing a pouch sheet between a die portion including a forming lower surface on which a pouch sheet is formed and a forming support portion disposed on the forming lower surface and a punch portion for forming the pouch sheet; a first forming operation of evacuating an internal space of the die portion and lowering the forming support portion in a direction of the forming lower surface to bend the pouch sheet; and a second forming operation of lowering the punch portion in a direction of the forming lower surface to press the pouch sheet.
A pouch forming apparatus includes a die portion having a forming groove, a punch portion disposed to face the forming groove and configured to move relative to the forming groove, and pressurizing a pouch sheet disposed on the die portion into the forming groove, a forming pad disposed to move relative to the punch portion within the forming groove and controlling a depth of the forming groove, and a vacuum pad applying vacuum pressure to the forming groove to be in close contact with the pouch sheet. The vacuum pad is disposed in at least one corner area of the forming pad.
The electrode transfer apparatus according to an exemplary embodiment of the present disclosure may include: an electrode magazine configured to load electrodes; an alignment table positioned with a gap from the electrode magazine; a first transfer unit configured to reciprocate between the electrode magazine and the alignment table, and adsorb and transfer the electrode; a multi-sheet detection unit configured to detect whether an electrode placed on the alignment table is a multi-sheet electrode; a lower adsorption unit mounted on the alignment table and configured to adsorb the electrode from below; and a controller configured to control activation/deactivation (on/off) of the adsorption force of the first transfer unit based on detection results from the multi-sheet detection unit.
A secondary battery manufacturing device according to various embodiments of the present disclosure may include: a holding device configured to elastically support an electrode assembly; an clastic member which is disposed on one side of the holding device to apply an elastic force to the holding device; and a first sensing member configured to detect an clastic force applied by the clastic member.
A cathode active material precursor according to embodiments of the present invention includes a composite hydroxide particle in which primary precursor particles are aggregated. The primary precursor particles include a particle having a triangular shape in which a minimum interior angle is 30° or more and a ratio of a length of a short side relative to a length of a long side is 0.5 or more. A cathode active material and a lithium secondary having improved high temperature stability is provided using the cathode active material precursor.
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 4/505 - 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 10/0525 - 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
9.
LITHIUM SECONDARY BATTERY AND SECONDARY BATTERY MODULE INCLUDING THE SAME
A lithium secondary battery according to an embodiment includes an electrode assembly 1 in which a first electrode group 2 including at least one first unit cell 10; and a second electrode group 4 including at least one second unit cell 30 are alternately assembled. The first unit cell 10 includes a first-first anode mixture layer 111a on the first anode current collector 110; and a first-second anode mixture layer 111b on the first-first anode mixture layer. The second unit cell 30 includes a second-first anode mixture layer 311a on the second anode current collector 310; and a second-second anode mixture layer 311b on the second-first anode mixture layer. The first-first anode mixture layer 111a includes a carbon-based active material, and each of the first-second anode mixture layer 111b, the second-first anode mixture layer 311a and the second-second anode mixture layer 311b includes a silicon-based active material.
A method of detecting a battery defect in a formation process, the method includes pressurizing a battery cell in the formation process, charging the battery cell to raise a voltage of the battery cell to a target voltage during a first time period of a charging time period, and to maintain the target voltage of the battery cell during a second time period of the charging time period, in the formation process, measuring a current of the battery cell during the second time period or the voltage of the battery cell after the second time period, and detecting a defect in the battery cell, based on the current or voltage measured in the measuring. A pressurization time period of the pressurizing overlaps at least a portion of the charging time period.
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
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
The present disclosure relates to an electrode for a secondary battery, an electrode assembly for the secondary battery including the same, and the secondary battery including the same. An electrode for a secondary battery according to an embodiment includes an electrode plate including a conductive material and having a shape of a sheet with a predetermined thickness, and an electrode active material layer formed on at least one surface of the electrode plate, wherein the electrode plate comprises a coating portion where the electrode active material layer is formed, and an uncoated portion formed on at least one edge of the electrode plate outside the coating portion, and wherein a pattern region including one or more connecting portions arranged in a first direction and extending in the first direction is formed on at least a portion of the uncoated portion.
The cathode active material for a lithium secondary battery according to embodiments of the present invention includes a lithium-transition metal composite oxide particle including a plurality of primary particles, and the lithium-transition metal composite oxide particle includes a lithium-sulfur-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
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 4/505 - 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 4/60 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés organiques
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
13.
METHOD AND SYSTEM FOR DETECTING DEFECT OF BATTERY IN BATTERY FORMATION PROCESS
A method for detecting a defect of a battery in a battery formation process according to an embodiment of the present disclosure, comprising: a measurement operation of pressurizing a battery cell and measuring a voltage of the battery cell under pressurization in the battery formation process; and an analysis operation of analyzing a difference between a pattern of the voltage and a reference pattern and detecting a defect in the battery cell based on an analysis result, wherein the analysis operation includes analyzing the difference between the pattern of the voltage and the reference pattern in a time range of less than 1 day and in a voltage range of less than 1 mV.
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
G01R 31/3835 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge ne faisant intervenir que des mesures de tension
Provided is a battery module including: a battery cell stack including a plurality of battery cells stacked in one direction; a case for accommodating the battery cell stack; and a buffer pad disposed between the battery cell stack and the case, and intended to fix the battery cell stack to the case, wherein the buffer pad includes foam having open pores formed on a surface, and a surface of the case that is in contact with the buffer pad has a 10-point surface roughness (Rz) value of 3 μm or less.
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
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
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 50/293 - 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 le matériau
15.
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
A cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-nickel metal oxide particles having an expansion phase ratio of 30 to 40% and a contraction phase ratio of 35 to 45% measured in a voltage region of 3.75 V to 4.15 V by in-situ X-ray diffraction (in-situ XRD), and a content of Ni among metal elements except for lithium of 90 mol % to 99 mol %. A lithium secondary battery including the cathode active material may have improved lifespan characteristics.
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
An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on at least one surface of the anode current collector. The anode active material layer includes an anode active material and an anode binder. The anode active material includes a plurality of composite particles, each of the composite particles include a silicon-based active material particle, and a solid electrolyte interphase (SEI) layer formed on at least a portion of a surface of the silicon-based active material particle. A relative standard deviation of thickness values of the SEI layer of the composite particles, which are measured by an X-ray photoelectron spectroscopy (XPS) from 9 different composite particles among the plurality of composite particles after repeating 100 cycles of charging and discharging is 20% or less.
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
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 4/1393 - Procédés de fabrication d’électrodes à base de matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
H01M 4/1395 - Procédés de fabrication d’électrodes à base de métaux, de Si ou d'alliages
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
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 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
A drying apparatus for secondary battery, wherein the drying apparatus dries an electrode sheet including an electrode current collector, a coated portion on which an electrode active material is applied on at least one surface of the electrode current collector, and a non-coated portion on which the electrode active material is not applied, wherein the coated portion is disposed to be parallel to a first direction to form at least one electrode line, includes an induction heating unit disposed to face the electrode sheet and drying the coated portion through electromagnetic induction, wherein the induction heating unit includes a multi-coil portion including a plurality of coils having different heating frequencies; and a switch portion provided to selectively apply current to any one of the plurality of coils.
The present disclosure relates to a system, method and apparatus for detecting a meandering fault of electrode tabs of a secondary battery. The method according to an embodiment of the present disclosure includes: photographing an electrode tab area of the secondary battery through a camera; measuring exposure lengths of a sealing film located between the electrode tab and a pouch film at two designated points from an image obtained by photographing the electrode tab area; checking whether an absolute value of a difference between the measured exposure lengths is a designated reference value or more; and if the absolute value is the reference value or more, determining that the meandering fault of electrode tabs has occurred.
Provided are a negative electrode for a secondary battery and a secondary battery including the same. The negative electrode for a secondary battery according to an exemplary embodiment includes: a current collector; and a negative electrode active material layer which is formed on the current collector and includes a mixture of 1st to nth negative electrode active materials (n is a natural number of 2 or more), wherein the 1st to nth negative electrode active materials and the mixture thereof satisfy the following Relation 1:
Provided are a negative electrode for a secondary battery and a secondary battery including the same. The negative electrode for a secondary battery according to an exemplary embodiment includes: a current collector; and a negative electrode active material layer which is formed on the current collector and includes a mixture of 1st to nth negative electrode active materials (n is a natural number of 2 or more), wherein the 1st to nth negative electrode active materials and the mixture thereof satisfy the following Relation 1:
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A lithium secondary battery according to the embodiments of the present disclosure includes: a cathode which includes a cathode active material layer including a cathode active material containing lithium-nickel-based metal oxide particles; and an anode disposed to face the cathode, wherein the lithium-nickel-based metal oxide particles have a crystallite strain (ε) of 0.2 to 0.4, which is calculated by applying the Williamson-Hall method defined a predetermined equation to peaks of (101) plane, (102) plane, (104) plane, (105) plane and (107) plane of the lithium-nickel-based metal oxide particles measured through XRD analysis on the cathode active material layer. Accordingly, capacity characteristics and lifespan characteristics of the lithium secondary battery are improved.
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
Provided is a high-density electrode and a method of manufacturing the same. An electrode for a secondary battery includes an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector. The electrode active material layer includes an H1 region, an H2 region and an H3 region sequentially provided from an end of the electrode active material layer toward a center. The H2 region includes an inclined section in which a thickness increases from the H1 region toward the H3 region, and the electrode satisfies the following formulas (1) and (2), 0.2≤h1/h2≤0.7 . . . (1), h2/h3≥0.9 . . . (2), where h1 is an average thickness of the H1 region, h2 is an average thickness of the H2 region, and h3 is an average thickness of the H3 region.
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 4/02 - Électrodes composées d'un ou comprenant un matériau actif
A binder composition for a secondary battery includes an elastic resin that includes a hard segment containing at least one of a urethane unit and a urea unit, and a soft segment containing a polyether unit, and a fluorine-based hydrocarbon resin. A weight ratio of the fluorine-based hydrocarbon resin relative to the clastic resin is in a range from 1.0 to 1.5.
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
23.
METHOD OF PREPARING CATHODE ACTIVE MATERIAL, CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY
A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes a plurality of a lithium-metal oxide particle that has a shape of a single particle. An activation energy (Ea) of the cathode is in a range from 50 KJ/mol to 80 KJ/mol.
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
C01G 53/50 - 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
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
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 4/62 - 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
24.
TERMINAL CAP ASSEMBLY AND BATTERY MODULE INCLUDING TERMINAL CAP ASSEMBLY
A battery module includes a plurality of sub-modules including a first sub-module and a second sub-module respectively including a plurality of battery cells, a first terminal portion electrically connected to the plurality of battery cells of the first sub-module and including one or more electrode terminals including a first electrode terminal, a second terminal portion electrically connected to the plurality of battery cells of the second module and including one or more electrode terminals including a first electrode terminal, and a terminal cap assembly covering the first terminal portion and the second terminal portion and electrically connecting the first terminal portion and the second terminal portion to each other. The terminal cap assembly includes a fuse wire and a protector covering the fuse wire, the first electrode terminal of the first terminal, and the first electrode terminal of the second terminal.
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
H01M 50/583 - Dispositifs ou dispositions pour l’interruption du courant en réponse au courant, p. ex. fusibles
The present disclosure relates to a battery cell including a case including an opening formed in one surface and an opposing surface facing the opening, and accommodating an electrode assembly through the opening, a cap plate coupled to the case to close the opening, and a vent portion having a shape of a groove on the opposing surface, wherein a ten-point average roughness of a surface of the vent portion is greater than a ten-point average roughness of an area adjacent to the vent portion.
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 50/548 - Bornes caractérisées par la position des terminaux sur les cellules sur des côtés opposés de la cellule
A secondary battery includes an electrode assembly including a cathode and an anode, a case in which the electrode assembly is housed, and a cap assembly which covers the case. The cap assembly includes a cap plate which covers the case and includes a terminal hole formed therein, a gasket disposed on the cap plate around the terminal hole, and a rivet which is inserted into the terminal hole to be coupled to the cap plate through the gasket, and includes a first protrusion part inserted into an upper portion of the gasket.
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 50/184 - Éléments de scellement caractérisés par leur forme ou leur structure
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
27.
ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING SAME
The present disclosure relates to an electrode for a secondary battery and a secondary battery comprising same. The electrode for a secondary battery according to one embodiment comprises: a coated portion where an electrode active material layer is positioned on a current collector and an uncoated portion where the electrode active material layer is not positioned on the current collector; and an insulating coating layer disposed on at least a portion of the uncoated portion and including an electrode insulating polymer, wherein the thermal expansion coefficient of the electrode insulating polymer may be 66 μm/m°C to 127 μm/m°C.
H01B 3/30 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
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
28.
ELECTRODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME
ABB is the thickness value in micrometers (μm) of the insulating layer on the other surface of the current collector, and W is the width value in millimeters (mm) of the insulating layer. According to an embodiment of the present disclosure, it is possible to alleviate problems caused by foil curl in an electrode for a secondary battery.
A battery cell includes a case accommodating an electrode assembly in an internal accommodation space and having an opening formed therein, a cap plate at least partially inserted into the accommodation space through the opening and coupled to the case, and a support portion disposed in the accommodation space and supporting a lower surface of the cap plate, wherein a side surface of the cap plate facing the internal surface of the case is spaced apart 10 from the internal surface of the case by a predetermined distance to form a fixing space, and the support portion is disposed below the cap plate so that at least a portion thereof forms a lower surface of the fixing space.
A battery module includes a cell assembly including a plurality of battery cells, and a module case accommodating the cell assembly. The module case includes an accommodation portion including a main plate supporting the cell assembly and a sidewall extending from the main plate, a module cover including an upper plate covering the cell assembly, the upper plate having a first surface oriented in a first direction, a sidewall cover extending from the upper plate, the sidewall cover covering a portion of the sidewall, the sidewall cover having a second surface oriented in a second direction opposite to the first direction, and a guide groove formed in the second surface, and a first bonding portion connecting the second surface of the sidewall cover and the sidewall to each other.
H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
31.
Battery Cell with Venting Cover and Battery Module Including the Same
A battery cell includes: a case accommodating an electrode assembly in an accommodating space; a cap plate coupled to at least one side of the case; a vent provided in the case or the cap plate; and a venting cover disposed to cover the vent, and provided to be opened by pressure acting from the accommodating space to the outside of the case, wherein the venting cover includes a venting sheet provided to be opened by a predetermined amount of pressure, and including a first surface facing the vent and a second surface opposite to the first surface; and a venting cap having a support portion supporting the first surface of the venting sheet.
The present disclosure relates to a battery cell comprising a case body accommodating an electrode assembly, a case cover covering at least one face of the case body which is open, and a vent notch portion formed by being recessed at at least one of one surface of the case body or one surface of the case cover. The vent notch portion includes a straight portion having a straight pattern, and a curved portion connected to the straight portion and having a curved pattern. A width of the straight portion is different from a width of the curved portion.
A battery manufacturing apparatus for manufacturing a battery assembly including a plurality of battery cells, each having a lead tab portion electrically connected to an outside and protruding outwardly, and a busbar electrically connecting one or more battery cells among the plurality of battery cells of the present disclosure includes a welding wire, at least a portion of which is melted to weld the lead tab portion and the busbar, a supply portion supplying the welding wire to the lead tab portion, a guiding portion contacting the welding wire discharged from the supply portion and moving the welding wire in a direction in which the lead tab portion extends, and a laser irradiation portion irradiating the lead tab portion, the busbar, or the welding wire with a laser.
H01M 50/516 - Procédés pour interconnecter les batteries ou cellules adjacentes par soudage, brasage ou brasage tendre
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
34.
Electrode, Secondary Battery Comprising the Same, and Method for Preparing the Same
Provided is a high-density electrode and a method of manufacturing the same. An electrode for a secondary battery includes an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector. The electrode active material layer includes an H1 region, an H2 region and an H3 region sequentially provided from an end of the electrode active material layer toward a center. The H2 region includes an inclined section in which a thickness increases from the H1 region toward the H3 region, and the electrode satisfies the following formulas (1) and (2), 0.2≤h1/h2≤0.7 . . . (1), h2/h3≥0.9 . . . (2), where h1 is an average thickness of the H1 region, h2 is an average thickness of the H2 region, and h3 is an average thickness of the H3 region.
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 4/02 - Électrodes composées d'un ou comprenant un matériau actif
A secondary battery and a battery module including the same are disclosed. In some implementations, the secondary battery may include an electrode assembly including a negative electrode plate, a positive electrode plate, and a separator interposed between the negative electrode plate and the positive electrode plate, a case accommodating the electrode assembly, a vent portion positioned on a plate disposed on one side of the case, the vent portion including a notch portion configured to be breakable; and a leakage prevention portion disposed further outwardly than the vent portion, the leakage prevention portion coupled to the plate on which the vent portion is positioned. The leakage prevention portion may include a leakage prevention layer disposed to oppose the vent portion, a body portion disposed between the leakage prevention layer and the vent portion, the body portion having an opening.
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
H01M 50/60 - Dispositions ou procédés pour le remplissage ou la mise à niveauDispositions ou procédés pour le drainage des liquides des boîtiers
36.
FUSION TIP, HEAT FUSION MACHINE INCLUDING THE SAME, AND HEAT FUSION METHOD USING THE SAME
A fusion tip of a heat fusion machine assembling a sub-material including a boss or rib with a base material and then heat-fusing the boss or rib to fix the sub-material and the base material includes a base tip including a pinhole formed vertically in a center and a tip head contacting the boss or rib during heat fusion and a fusion pin positioned in the pinhole and configured to move up and down separately from the base tip.
Provided are a battery module including a plurality of battery cell assemblies connected in series or parallel; and a battery case accommodating the battery cell assemblies, wherein at least one surface of the battery case includes a low-emission layer having a surface emissivity of 0.5 or less, and a battery pack including the same. By reducing the radiation heat transfer within a battery system, the propagation of battery thermal runaway may be effectively suppressed. Accordingly, a battery pack with improved stability, life characteristics, and cell efficiency may be manufactured.
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
A cathode active material precursor according to embodiments of the present invention includes a composite hydroxide particle in which primary precursor particles are aggregated. The primary precursor particles include a particle having a triangular shape in which a minimum interior angle is 30° or more and a ratio of a length of a short side relative to a length of a long side is 0.5 or more. A cathode active material and a lithium secondary having improved high temperature stability is provided using the cathode active material precursor.
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 4/505 - 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 10/0525 - 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
39.
Battery Cell Comprising Rivet and Battery Device Comprising the Same
A battery cell including an electrode assembly, a case accommodating the electrode assembly, and a cap assembly sealing an opening of the case is provided. The cap assembly includes a terminal plate at least partially exposed to an external space of the cap assembly, a cap plate coupled to the case, a rivet connecting the terminal plate and the cap plate, and a gasket surrounding at least a portion of the rivet. The rivet includes a pillar portion at least partially surrounded by the cap plate, a protrusion portion extending from an outer peripheral surface of the pillar portion, and a first flange located between the terminal plate and the gasket. The gasket includes a first sealing region at least partially located between the protrusion portion and the cap plate, and a second sealing region located between the first flange and the cap plate.
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 50/103 - 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 50/531 - Connexions d’électrodes dans un boîtier de batterie
H01M 50/553 - Bornes spécialement adaptées aux cellules prismatiques, de type poche ou rectangulaires
H01M 50/567 - Bornes caractérisées par leur procédé de fabrication par des moyens de fixation, p. ex. vis, rivets ou boulons
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
40.
Battery Manufacturing Apparatus and Battery Manufacturing Method Using the Same
The present disclosure relates to a battery manufacturing apparatus for manufacturing a battery assembly which includes a plurality of battery cells, each including a tab part electrically connected to an outside and protruding outward, and an accommodating bottom surface forming a bottom surface of an accommodating space in which the plurality of battery cells are accommodated, including a sensor configured to sense a profile regarding a degree of protrusion of a coating surface of one side of the battery cell facing the accommodating bottom surface, a discharger configured to discharge an adhesive material to the coating surface of at least one battery cell of the plurality of battery cells, and a controller configured to control the discharger or the sensor to adjust at least one of a position and a moving speed of the discharger based on the profile, and a battery manufacturing method using the battery manufacturing apparatus.
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
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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
41.
BATTERY CELL, MANUFACTURING METHOD THEREOF AND BATTERY MODULE
The present disclosure provides a battery cell including: a cell case including a side wall having an accommodation space and an upper plate having a through-hole; an electrode terminal coupled to the through-hole and having a coupling hole; an electrode assembly disposed in the accommodation space; and a first current collector electrically connecting the electrode terminal and the electrode assembly, where the first current collector includes a connection terminal having a protrusion inserted into the coupling hole, a welding space is formed between an upper end of a side surface of the protrusion and an inner surface of the coupling hole, and a welding area is formed in the welding space by welding performed on an outer side of the cell case in a state in which the protrusion is inserted into the coupling hole.
H01M 50/559 - Bornes adaptées aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 4/70 - Supports ou collecteurs caractérisés par la forme ou la configuration
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 50/213 - 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 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
H01M 50/567 - Bornes caractérisées par leur procédé de fabrication par des moyens de fixation, p. ex. vis, rivets ou boulons
42.
BATTERY CELL, METHOD OF MANUFACTURING SAME AND BATTERY MODULE
A battery cell includes a cell case including a side wall forming an accommodation space therein and a top plate having a through-hole formed therein, an electrode terminal coupled to the through-hole and having a coupling groove formed in a bottom portion of the electrode terminal, an electrode assembly disposed in the accommodation space of the cell case, and a first current collector electrically connecting the electrode terminal and the electrode assembly. The first current collector includes a connection terminal having a protrusion screw-coupled to the coupling groove, and the coupling groove includes a second screw thread coupled to a first screw thread formed on an outer peripheral surface of the protrusion.
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 50/167 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par sertissage
H01M 50/169 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par soudage, brasage ou brasage tendre
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 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/547 - Bornes caractérisées par la position des terminaux sur les cellules
43.
BATTERY CELL, METHOD OF MANUFACTURING THE SAME AND BATTERY MODULE
A battery cell includes a cell case including a sidewall and a top plate having a through-hole formed therein; an electrode terminal coupled to the through-hole and having a coupling groove formed in a bottom portion; an electrode assembly; and a first current collector electrically connecting the electrode terminal to the electrode assembly, wherein the first current collector includes a connection terminal having a protrusion inserted and coupled to the coupling groove, wherein the protrusion is coupled to the electrode terminal by welding performed on an outer side of the cell case, and wherein, in a welded region where the protrusion and the electrode terminal are welded, a thickness of the connection terminal has a value equal to or greater than that of a thickness of the electrode terminal.
H01M 50/559 - Bornes adaptées aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 4/70 - Supports ou collecteurs caractérisés par la forme ou la configuration
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 50/213 - 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 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
H01M 50/567 - Bornes caractérisées par leur procédé de fabrication par des moyens de fixation, p. ex. vis, rivets ou boulons
44.
SYSTEM, APPARATUS, AND METHOD FOR DETECTING SHAPE FAULT OF ELECTRODE TAB OF SECONDARY BATTERY
The present disclosure provides a method, device and system for detecting a shape fault of an electrode tab of a secondary battery. The method according to an embodiment of the present disclosure may include: photographing a side surface of the secondary battery to acquire a side surface image of the electrode tab processed into a designated shape; measuring a bending radius and a cutting distance of the processed electrode tab from the side surface image; checking whether the bending radius and the cutting distance satisfy a designated reference radius and reference distance; and if the bending radius and the cutting distance do not satisfy the reference radius and the reference distance, determining that the shape fault of the electrode tab has occurred.
G06V 10/766 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la régression, p. ex. en projetant les caractéristiques sur des hyperplans
H01M 50/564 - Bornes caractérisées par leur procédé de fabrication
45.
ELECTRODE FOR A SECONDARY BATTERY WITH IMPROVED RAPID CHARGING PERFORMANCE, METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY INCLUDING THE SAME
The present disclosure relates to an electrode for a secondary battery with improved rapid charging performance, a method of manufacturing the same, and a secondary battery including the same, and provides an electrode for a secondary battery including a current collector, an electrode active material layer located on at least one surface of the current collector, and a binder layer located on at least one surface of the current collector and protruding from at least one end of the electrode active material layer, in which the binder layer satisfies the following Expression 1. [Expression 1] CA/B≤0.6 (In Expression 1, CA is wt % of a conductive material in the binder layer, and B is wt % of a binder in the binder layer, based on a total weight of the binder layer).
A battery module disclosed herein includes: a plurality of battery cells; a cover portion overlapping at least a portion of the plurality of battery cells; a blocking member disposed in at least one of the spaces between the plurality of battery cells and protruding further than the plurality of battery cells toward the cover portion; a first protruding portion protruding from the cover portion toward the plurality of battery cells and including a pair of protrusions; and a venting flow path formed inside the cover portion, wherein the blocking member is inserted between the pair of protrusions of the first protruding portion.
H01M 50/367 - Passages internes d’évacuation des gaz dans le couvercle ou le boîtier de la batterieSystèmes d’évent à double couvercle
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
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
H01M 50/293 - 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 le matériau
Proposed is an apparatus for transferring powder, the apparatus including a guide rail part extending horizontally on a container, a cutting part installed on the guide rail part and including a blade for cutting a portion of the container, an insert part installed on the guide rail part and expanding and opening a cut portion of the container, and a powder transfer part coupled to the insert part and suctioning and transferring the powder stored in the container.
B65G 65/02 - Machines à charger ou à décharger comportant essentiellement un transporteur pour déplacer les charges associé à un dispositif pour les saisir
The present disclosure relates to an electrode assembly insertion guide including a body part detachably coupled to an edge of an opening part formed by opening one surface of an accommodation case, and a coupling part formed by recessing one surface of the body part facing the opening part along a direction from an inside of the accommodation case toward the opening part, and an electrode assembly inserting method.
H01M 50/477 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur forme
Proposed is a notching apparatus for secondary batteries including a notching processing part provided on a transport path of an electrode film to create an electrode tab on the electrode film, a first variable roller positioned in front of the notching processing part based on a proceeding direction of the electrode film and provided to be movable, a first fixed roller fixedly placed near the first variable roller, a second variable roller positioned at a rear of the notching processing part based on the proceeding direction of the electrode film and provided to be movable, and a second fixed roller fixedly placed near the second variable roller.
Proposed is a high-capacity battery cell, including a unit assembly in which a plurality of unit electrode assemblies are stacked. A plurality of individual tab portions of the plurality of unit electrode assemblies are integrally joined together and joined to an integrated tab portion at one or each of opposite ends of the unit assembly. By manufacturing one high-capacity battery cell by stacking and bonding a plurality of unit electrode assemblies, it is possible to implement a high-capacity battery cell of various specifications, thereby effectively expanding the degree of freedom in designing the thickness of a pouch-type battery cell.
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 50/54 - Connexion de plusieurs conducteurs ou languettes d’électrodes empilées en forme de plaque, p. ex. barrettes ou ponts de pôles d’électrode
A tape attachment device of the present disclosure includes a roller shaft including a first end portion and a second end portion opposite to the first end portion, and a pressing member including a first cylinder connected to the first end portion, and a second cylinder connected to the second end portion and configured to operate independently of the first cylinder. The roller shaft may be configured to tilt based on movement of the pressing member.
B65H 35/00 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive
52.
CATHODE ACTIVE MATERIAL, CATHODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
A cathode active material includes a first active material and a second active material. The first active material includes an active material having an olivine structure, the second active material includes a lithium-rich oxide, and a weight of the first active material included in the cathode active material is greater than or equal to a weight of the second active material included in the cathode active material. Thereby, a cathode active material having improved overvoltage characteristics may be provided.
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 4/136 - 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
A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes lithium-transition metal oxide particles which have a crystal grain size of 350 nm to 450 nm measured through X-ray diffraction (XRD) analysis and an XRD peak intensity ratio of 10% to 11%. A lithium secondary battery according to embodiments of the present disclosure includes a cathode which comprises the cathode active material for a lithium secondary battery and an anode disposed to face the cathode.
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 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
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
54.
ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
An anode active material according to embodiments of the present disclosure includes a silicon-based active material including core particles and a carbon coating which covers a surface of the core particles. An onset temperature of the silicon-based active material measured through a thermogravimetric analysis method is greater than 350° C. and less than 390° C., and a ratio of a change value of a weight loss rate to a change value of a temperature of the silicon-based active material measured through a differential thermogravimetric analysis method is 0.000050 to 0.000150.
A wireless battery management device includes: a first battery management module located inside a first case which houses battery modules, and configured to comprehensively manage the battery modules; a first wireless communication chip located inside the first case, and connected to the first battery management module; second battery management modules respectively located inside second cases formed including a metal material, each of which houses the battery modules, and configured to monitor and manage states of the battery modules, respectively; and second wireless communication chips respectively located inside the second cases, each of which is connected to the second battery management modules, and configured to communicate wirelessly with the first wireless communication chip, wherein the second cases include first openings formed respectively at positions facing the second wireless communication chips.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
B60L 58/10 - 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
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
56.
ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
An anode active material according to embodiments of the present disclosure includes silicon oxide particles. A ratio of the peak intensity in a region of 500 nm−1 to 530 nm−1 to the peak intensity in a region of 450 nm−1 to 490 nm−1, which are measured in a Raman spectrum of the silicon oxide particles is 3.0 to 4.5, and a crystallite size of a (111) plane of the silicon oxide particles is a crystallite size or more of a (220) plane, which am obtained through X-ray diffraction (XRD) analysis.
A cathode active material for a lithium secondary battery according to an embodiment of the present disclosures a plurality of composite particles, each of which comprises a lithium metal phosphate particle, and a carbon coating formed on at least a portion of a surface of the lithium metal phosphate particle. A standard deviation of thickness values of the carbon coating measured by an X-ray photoelectron spectroscopy (XPS) for five different composite particles of the plurality of composite particles is 15 nm or less.
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
The present disclosure relates to a battery pack including: a plurality of battery cells; an accommodating body including an opening on one surface and accommodating the plurality of battery cells therein through the opening; an accommodating cover coupled with the accommodative body to close the opening; a body bottom face forming a bottom of the accommodating body; a partition portion extending from the body bottom face toward the accommodating cover to separate the interior of the accommodating body into a plurality of accommodating spaces; a protruding portion extending from the accommodating cover toward the partition portion; and a blocking portion positioned between the partition portion and the protruding portion and connecting the partition portion to the protruding portion.
H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
A62C 3/16 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les installations électriques, p. ex. chemins de câbles
A62C 35/10 - Réservoirs se brisant ou s'ouvrant sous l'action des flammes ou de la 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 50/249 - 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 50/271 - 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
A battery cell includes a case including a first edge forming an opening and a joining portion positioned perpendicular to the first edge, an electrode assembly accommodated within the case, and a cap assembly coupled to the case and sealing the opening. The case includes a center area facing the electrode assembly, an end area surrounding at least a portion of the cap assembly, and a groove extending from the end area and accommodating a welding bead formed in the joining portion.
H01M 50/184 - Éléments de scellement caractérisés par leur forme ou leur structure
B21D 51/26 - Fabrication d'objets creux caractérisés par l'usage de l'objet de boîtes de conserve ou bidonsFermeture des boîtes de conserve ou des bidons de façon définitive
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 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
An anode for a lithium secondary battery according to embodiments of the present disclosure includes an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector, includes a silicon-based active material, and has a Li/Si ratio of 0.03 to 0.06.
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
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
61.
Pouch Type Secondary Battery and Production Method Thereof
Provided are the system and method of molding a gas collection portion of a battery pouch, and more particularly, the system and method of molding a gas collection portion to collect gas in a portion where an electrode tab welding portion of a battery pouch is disposed. In the system and method of molding the gas collection portion of the battery pouch according to the present disclosure, the electrode tab welding portion may also be molded when the battery pouch is molded, and the gas generated in the battery cell may thus be collected in a space formed between the pouch inclined surfaces, thereby preventing or delaying venting of the battery pouch.
H01M 50/531 - Connexions d’électrodes dans un boîtier de batterie
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
62.
ELECTROLYTE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME
According to embodiments of the present disclosure, an electrolyte for a secondary battery includes: a polymer matrix; and inorganic particles which contain boron and nitrogen, and have a two-dimensional shape, wherein a content of the inorganic particles is a content of the polymer matrix or more based on the weight. The secondary battery includes a cathode, an anode, and an electrolyte layer which is disposed between the cathode and the anode, and includes the above-described electrolyte for a secondary battery.
Powder feeding device and powder transfer method are disclosed. The powder feeding device includes a container including a container body forming a storage space therein; a hopper including a hopper body forming an accommodation space therein; a chamber unit including a chamber housing forming a hollow portion and coupled to the hopper body; a pipe assembly including a container pipe unit which extends from the container and is opened or closed, a hopper pipe unit which is branched from the container pipe unit, is connected to the hopper body, and is opened or closed, and a chamber pipe unit which is branched from the container pipe unit, is connected to the chamber housing, and is opened or closed; and a valve assembly including a coupling valve which is coupled to at least one of the chamber housing and the hopper body and connects/disconnects the storage space to/from the hollow portion.
B65G 53/66 - Utilisation de dispositifs indicateurs ou de commande, p. ex. pour commander la pression du gaz, pour régler le pourcentage matériaux-gaz, pour signaler ou éviter l'embouteillage des matériaux
A battery module includes a first sub-module and a second sub-module respectively including a cell assembly formed by stacking a plurality of battery cells and a protective cover accommodating at least a portion of the cell assembly, and facing each other in a first direction, and a sealing portion provided on the protective cover and disposed on at least a portion of a peripheral surface of the protective cover. The sealing portion is formed by a plurality of sealing components separable based on the peripheral surface of the protective cover.
Provided according to exemplary embodiments are an electrode for a secondary battery and a fabrication method for the electrode for a secondary battery. The electrode for a secondary battery includes an electrode current collector, a first active material layer disposed on the electrode current collector, and a second active material layer disposed on the first active material layer, wherein each of the first active material layer and the second active material layer may include an electrode active material, a solid electrolyte, a binder, and a conductive material. The binder content (wt%) in the first active material layer on the basis of the total weight of the first active material layer is greater than that in the second active material layer on the basis of the total weight of the second active material layer while the conductive material content (wt%) in the second active material layer on the basis of the total weight of the second active material layer may be greater than that in the first active material layer on the basis of the total weight of the first active material layer.
An apparatus for manufacturing an electrode according to an embodiment of the present disclosure includes: a supply portion supplying an electrode plate to which an electrode active material is applied; at least one thickness measuring portion measuring a thickness of the electrode plate; and at least one thickness reinforcing portion adding at least one reinforcing material to the electrode plate. An electrode assembly according to an embodiment of the present disclosure includes: a positive electrode plate to which a positive active material is applied, a negative electrode plate to which a negative active material is applied, and at least one of the positive electrode plate and the negative electrode plate includes at least one reinforcing material in at least a partial region thereof.
A battery device includes a cell assembly, including a first battery cell and a second battery cell, stacked in a first direction. The first battery cell and the second battery cell respectively include a receiving portion in which an electrolyte and an electrode assembly are received within a case, and a plurality of extension portions protruding outwardly from the receiving portion in the first direction. The second battery cell is disposed to contact at least one of the extension portions of the first battery cell.
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
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
68.
ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
Disclosed is an anode including an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector and has a multilayer structure comprising a first anode active material layer and a second anode active material layer. At least one of the first anode active material layer and the second anode active material layer includes a first metal-doped first silicon-based active material, and a doping amount of the first metal is 1.5% by weight to 8% by weight based on a total weight of the first silicon-based active material.
The present disclosure provides a system, method and apparatus for detecting a folding fault in a secondary battery. A method according to an embodiment of the present disclosure may include: measuring a height of a folding part and a height of a pouch case of the secondary battery being transferred by a transfer apparatus for each designated section using a laser scanner; checking whether there is a section where the height of the folding part is greater than the height of the pouch case, provided that a height difference therebetween is a designated reference value or more; and if there is a section where the height difference is the designated reference value or more, determining that the folding fault has occurred.
G01N 21/892 - Recherche de la présence de criques, de défauts ou de souillures dans un matériau mobile, p. ex. du papier, des textiles caractérisée par la crique, le défaut ou la caractéristique de l'objet examiné
G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
A battery assembly of the present disclosure includes: a plurality of battery cells disposed along a preset stacking direction; a cell cover covering a tab portion protruding from one side of at least one battery cell among the plurality of battery cells; an accommodating case accommodating the plurality of battery cells; and a side member extending from the accommodating case toward the plurality of battery cells, wherein at least a part of the cell cover is positioned on the upper portion of the side member and supported by the side member.
H01M 50/148 - Couvercles caractérisés par leur forme
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 50/178 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules en forme de poches ou de sacs souples
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
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 50/505 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant une barre omnibus unique
A battery assembly of the present disclosure includes a plurality of battery cells arranged in a predetermined stacking direction, an accommodation case accommodating the plurality of battery cells, and an insertion member located in an insertion space formed between the accommodation case and the plurality of battery cells in the predetermined stacking direction, wherein the insertion member includes a body portion having a pillar shape, and an expansion portion covering at least a portion of the body portion and expanding when reaching a predetermined allowable temperature.
H01M 50/293 - 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 le matériau
H01M 10/652 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des paramètres spécifiés par une valeur numérique ou une formule mathématique, p. ex. rapports, tailles ou concentrations caractérisés par des gradients
H01M 10/6555 - Barres ou plaques disposées entre les éléments
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
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
72.
BATTERY MODULE COMPRISING BUSBAR ASSEMBLY AND SENSOR ASSEMBLY AND BATTERY PACK COMPRISING SAME
According to the present disclosure, provided may be a battery module comprising: a cell assembly including a plurality of battery cells; a bus bar assembly including a bus bar connected to the plurality of battery cells, and a bus bar frame supporting the bus bar; and a sensor assembly including a substrate part facing at least a portion of the bus bar frame, and a sensing terminal connecting the substrate part and the bus bar. The bus bar may comprise: a plurality of first bus bars connecting electrode tabs of battery cells adjacent to each other among the plurality of battery cells; and a second bus bar including a plurality of connection parts connecting electrode tabs of battery cells spaced apart from each other among the plurality of battery cells, and a bridge part connected to the connection parts.
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
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/547 - Bornes caractérisées par la position des terminaux sur les cellules
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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
73.
BATTERY CELL AND BATTERY DEVICE INCLUDING THE SAME
A battery cell includes an electrode assembly in which a plurality of separators and a plurality of electrode plates including a plurality of electrode tabs are stacked in a first direction, a cell case accommodating the electrode assembly, a cap plate assembly covering an open end of the cell case and including an electrode terminal, and a current collector electrically connecting the plurality of electrode tabs and the electrode terminal. The plurality of electrode tabs include bent portions having a bend shape. The bent portions are arranged in a layered manner in the first direction. The current collector is welded to a plurality of the bent portions, while being disposed to face a second direction, intersecting the first direction.
Proposed is a technology of a roller cleaning apparatus. The roller cleaning apparatus includes a first pad configured to remove foreign substances by being in contact with a surface of a roller, a second pad configured to be in contact with the surface of the roller while passing through an area through which the first pad has passed from the surface of the roller, a head configured to fix the first pad and the second pad such that the first pad and the second pad are spaced apart from each other by a predetermined distance, and a driving assembly configured to move the head to a portion of the roller to which foreign substances are attached.
A composition for a lithium metal protective layer includes an organic solvent comprising nitromethane and dimethoxyethane, and lithium nitrate (LiNO3). A content of nitromethane is in a range from 30 wt % to 70 wt % based on a total weight of the organic solvent. In a method of fabricating a lithium electrode, a protective layer is formed on a surface of a lithium metal layer by immersing the lithium metal layer in the composition for a lithium metal protective layer.
The present invention relates to a battery module. The battery module according to the present invention includes a housing having an internal accommodation space; and a plurality of battery cells disposed in the internal accommodation space, in which the housing includes a weld joint in which a first base material of a first aluminum-based alloy and a second base material of a second aluminum-based alloy are welded, and at least a partial region of a bead surface of the weld joint is located inward with respect to a reference plane, with an imaginary plane, which connects an outer surface of the first base material and an outer surface of the second base material in contact with the weld joint, as the reference plane.
B23K 101/36 - Dispositifs électriques ou électroniques
H01M 50/169 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par soudage, brasage ou brasage tendre
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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
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
A battery module is disclosed. In some implementations, the battery module includes: a housing having an internal space, a cell stack in which a plurality of battery cells and a first heat blocking member blocking heat propagation between the plurality of battery cells are stacked, and a second heat blocking member disposed between the cell stack and the housing, wherein at least a portion of the first heat blocking member is in contact with the second heat blocking member.
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 50/30 - Aménagements pour faciliter l’échappement des gaz
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
78.
BATTERY MODULE COMPRISING RESTRAINT MEMBER AND BATTERY PACK COMPRISING RESTRAINT MEMBER
A battery module of the present disclosure may comprise: multiple battery cells; and a thermal propagation blocking assembly positioned between at least some of the multiple battery cells. The heat propagation blocking assembly may comprise: a thermal insulation layer containing silica aerogel; a fireproof member comprising a first fireproof sheet, positioned on a first surface of the thermal insulation layer, and a second fireproof sheet, positioned on a second surface of the thermal insulation layer opposite to the first surface; and a buffer member comprising a first buffer pad positioned on the first fireproof sheet, and a second buffer pad positioned on the second fireproof sheet.
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 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
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
79.
WELDING INSPECTION APPARATUS AND WELDING INSPECTION METHOD
A welding inspection apparatus of the present disclosure includes a scanner configured to acquire a two-dimensional image and a three-dimensional image by photographing a battery, a data processor configured to generate fusion data based on the two-dimensional image and the three-dimensional image, an object identifier configured to identify a welding area in the fusion data based on an artificial intelligence model trained to identify an object, and a welding determiner configured to determine whether a weld joint of the battery is defective based on the welding area.
G06V 10/80 - Fusion, c.-à-d. combinaison des données de diverses sources au niveau du capteur, du prétraitement, de l’extraction des caractéristiques ou de la classification
80.
BATTERY ASSEMBLY AND ASSEMBLING METHOD OF THE SAME
The present disclosure relates to a battery assembly including a plurality of battery cells staked and arranged in a predetermined stacking direction, an accommodation case accommodating the plurality of battery cells, an insertion space formed between the plurality of battery cells and the accommodation case in the stacking direction, and an insertion member located in the insertion space, wherein the insertion member includes a support body forming the buffer space, and a rib portion dividing the buffer space into a plurality of divided spaces.
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
H01M 50/143 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes ignifugesBoîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes à l'épreuve des explosions
H01M 50/172 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers
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
81.
SEPARATOR DEFECT INSPECTION APPARATUS FOR SECONDARY BATTERY
Proposed is a separator defect inspection apparatus for a secondary battery. The separator defect inspection apparatus includes a base plate that is provided to be movable toward a secondary battery and a compression unit that provides a localized protrusion structure to the base plate to compress a predetermined area of the secondary battery.
Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic fluorophosphonate compound, and a lithium secondary battery including the same.
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
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 10/0568 - Matériaux liquides caracterisés par les solutés
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
83.
SECONDARY BATTERY INSPECTION DEVICE AND SECONDARY BATTERY INSPECTION METHOD
Proposed are a secondary battery inspection device and a secondary battery inspection method. The secondary battery inspection device includes a plate provided such that the plate is capable of being slidably moved, a movement guide part guiding a movement of the plate, and a pressing part configured to press one side portion of the plate.
A lithium secondary battery is provided. The lithium secondary battery includes an electrode assembly accommodated inside a battery case. The battery case has two or more storage spaces separated by at least one partition wall, and each storage space accommodates at least one electrode assembly. The partition wall sequentially includes a first sealing layer, a first metal layer, and a second sealing layer.
H01M 50/112 - Monoblocs comprenant des compartiments multiples
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
A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes a lithium-transition metal oxide including a transition metal including nickel (Ni). A molar ratio of lithium to elements except for lithium and oxygen in the lithium-transition metal oxide is 1.04 to 1.08, and a molar fraction of cobalt (Co) in the transition metal is 0.05 or less. A lithium secondary battery including the cathode active material for a lithium secondary battery and having improved structural stability and charge/discharge efficiency is provided.
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
The present disclosure provides a system, apparatus and method for controlling welding based on artificial intelligence. The artificial intelligence-based welding control system according to an embodiment of the present disclosure may include a machine vision system configured to photograph at least a portion of a welding object through a camera, and transmit the photographed image (hereinafter, “photography image”) to a relay system; the relay system configured to receive the photography image from the machine vision system, recognize a welding position of the welding object from the received photography image based on a pre-trained first artificial intelligence model, determine whether the recognized welding position is included in a designated position range, and when the recognized welding position is included in the designated position range, transmit the recognized welding position to a welding system; and the welding system configured to receive the welding position from the relay system, and perform welding at the received welding position.
B23K 20/10 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p. ex. revêtement ou placage utilisant des vibrations, p. ex. soudage ultrasonique
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
G06V 10/70 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique
87.
SECONDARY BATTERY AND SECONDARY BATTERY MANUFACTURING METHOD
According to an embodiment of the present disclosure, Provided is a secondary battery comprising: an electrode assembly including a protruding region in which an uncoated portion protrudes and a non-protruding region in which the uncoated portion does not protrude, in an upper portion thereof; a current collector coupled to the protruding region and electrically connected to the electrode assembly; and a case accommodating the electrode assembly, wherein the electrode assembly includes a groove portion formed by bending at least a portion of the protruding region, wherein the current collector includes a protruding portion inserted into the groove portion, and wherein the non-protruding region includes an inner non-protruding region disposed further inwardly than the protruding region and an outer non-protruding region disposed further outwardly than the protruding region, in a central direction toward a winding axis along which the electrode assembly is wound.
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
88.
BATTERY MANAGEMENT SYSTEM AND METHOD FOR CONTROLLING THE SAME
The present disclosure relates to a battery management system and a method for controlling the same. The battery management system according to an embodiment of the present disclosure includes: an electrochemical impedance spectroscopy (EIS) measurement module configured to measure EIS of a secondary battery; a processor configured to receive an EIS measurement result from the EIS measurement module, calculate a real intercept and an inflection point of an impedance value for the secondary battery based on the received EIS measurement result, and extract an equivalent circuit model (ECM) parameter for the secondary battery based on the calculated real intercept and the calculated inflection point.
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
G01R 31/374 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge avec des moyens pour corriger la mesure en fonction de la température ou du vieillissement
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator separating the positive electrode and the negative electrode from each other, a battery case including a space accommodating the electrode assembly, and at least one opening, a cap plate coupled to the battery case to close the at least one opening and including an electrolyte inlet through which an electrolyte is injected, and an elastic support disposed at least partially in close contact with a lower edge of the electrode assembly and mounted on an inner bottom surface of the battery case to elastically support the electrode assembly in a vertical direction.
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
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
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 50/477 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur forme
A secondary battery is disclosed. In some implementations, the secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator, a can accommodating the electrode assembly, a first current collector electrically connected to the electrode assembly, the first current collector including a current collecting column protruding upwardly and an injection hole vertically passing through the current collecting column, a first electrode terminal electrically connected to the first current collector, the first electrode terminal having a first coupling hole into which the current collecting column is inserted, the first electrode terminal coupled to the can, and a cap portion configured to seal the injection hole.
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
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 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
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 50/559 - Bornes adaptées aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
91.
BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME
The present invention provides a battery module, which includes a plurality of battery cells with stacked each other which include a cell body configured to house an electrode assembly and electrode tabs drawn out from the cell body, respectively; and a housing unit configured to enclose at least a portion of an outer surface of the plurality of stacked battery cells to house the plurality of stacked battery cells, wherein the housing unit includes a heat sink unit having a refrigerant flow passage formed therein.
An electrode manufacturing system is disclosed. In some implementations, the electrode manufacturing system may include a coating station configured to coat a coating material on a coating substrate traveling along a path, and a drying station configured to dry the coating material. The drying station may include at least one linear infrared lamp configured to irradiate the coating material with infrared light, and opposite ends of the infrared lamp may be disposed to be vertically aligned with opposite edges of the coating material.
F26B 3/30 - Procédés de séchage d'un matériau solide ou d'objets impliquant l'utilisation de chaleur par radiation, p. ex. du soleil à l'aide d'éléments émettant des rayons infrarouges
F26B 3/04 - Procédés de séchage d'un matériau solide ou d'objets impliquant l'utilisation de chaleur par convection, c.-à-d. la chaleur étant transférée d'une source de chaleur au matériau ou aux objets à sécher par un gaz ou par une vapeur, p. ex. l'air le gaz ou la vapeur circulant sur ou autour du matériau ou des objets à sécher
F26B 13/00 - Machines ou appareils à mouvement progressif pour le séchage des tissus, fibres, fils ou autres matériaux en grandes longueurs
A battery module includes a cell stack including a plurality of battery cells, a plurality of busbars electrically connected to the plurality of battery cells, a support frame supporting the plurality of bus bars, and a circuit board electrically connected to the plurality of busbars. The circuit board includes a plurality of extension portions extending in different directions, and at least one overlapping portion in which at least two extension portions, among the plurality of extension portions, overlap.
H01M 50/519 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant des circuits imprimés
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 50/507 - 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
H01M 50/569 - Détails de construction des connexions conductrices de courant pour détecter les conditions à l'intérieur des cellules ou des batteries, p. ex. détails des bornes de détection de tension
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 battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; bus bar assemblies located on both sides of the battery stack, from which the electrode tabs are drawn, to electrically connect the plurality of battery cells to each other through the plurality of electrode tabs; and a sensing module assembly disposed on one side of the battery stack, from which the electrode tab is not drawn out, to electrically connect the bus bar assemblies on both sides of the battery stack.
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 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
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 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
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 50/50 - Connexions conductrices de courant pour les cellules ou les batteries
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
H01M 50/548 - Bornes caractérisées par la position des terminaux sur les cellules sur des côtés opposés de la cellule
H01M 50/569 - Détails de construction des connexions conductrices de courant pour détecter les conditions à l'intérieur des cellules ou des batteries, p. ex. détails des bornes de détection de tension
A secondary battery includes a case that accommodates an electrode assembly; a cap plate sealing an opening of the case and including a first exhaust hole, and having a first polarity; an insulating member disposed on a lower portion of the cap plate and including a second exhaust hole with a larger diameter than the first exhaust hole, and positioned to correspond to the first exhaust hole; a current collecting member disposed on a lower portion of the insulating member and electrically connected to the electrode assembly, and having a second polarity different from the first polarity; a guide member disposed in a lower portion of the second exhaust hole and electrically connected to the current collecting member; and a short-circuit member including a conductive material and disposed in the guide member to move to come into contact with the cap plate in response to pressure generated within the case.
An anode for a secondary battery according to exemplary embodiments of the present disclosure includes: an anode current collector; a first anode active material layer which is disposed on at least one surface of the anode current collector and includes natural graphite and artificial graphite; and a second anode active material layer which is disposed on the first anode active material layer and includes a silicon-based active material, a graphite-based active material and carbon nanotubes. Accordingly, a lithium secondary battery having improved rapid charge/discharge cycle lifespan characteristics may be implemented.
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
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 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
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
97.
CATHODE ACTIVE MATERIAL, CATHODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
A cathode active material includes a core containing a first active material, a lithium-rich oxide, and a shell disposed on a surface of the core and containing a second active material having an olivine structure. Weight % of the first active material is greater than or equal to weight % of the second active material based on a total weight of the cathode active material. A cathode for a lithium secondary battery having excellent lifespan performance may be provided.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
C01G 53/50 - 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
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 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
The present disclosure relates to a separator for secondary batteries, the separator including: a porous substrate layer; and a fusion layer laminated to a preset fusion thickness on at least one area of one or both surfaces of the porous substrate layer and including polymer particles having a glass transition temperature higher than or equal to 30° C. or lower than or equal to 90° C., an electrode assembly including the same, and a method of manufacturing the electrode assembly.
H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
H01M 50/46 - Séparateurs, membranes ou diaphragmes caractérisés par leur combinaison avec des électrodes
H01M 50/466 - Séparateurs, membranes ou diaphragmes caractérisés par leur forme en forme de U, de sac ou pliés
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
99.
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
A cathode active material for a lithium secondary battery includes first lithium metal phosphate particles, second lithium metal phosphate particles having an average particle diameter (D50) smaller than an average particle diameter (D50) of the first lithium metal phosphate particles and including manganese, and lithium-transition metal oxide particles having an average particle diameter (D50) larger than the average particle diameter (D50) of the first lithium metal phosphate particles and including nickel. A secondary battery include the cathode active material for a lithium secondary battery.
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 4/525 - 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
A method for preparing a negative electrode active material for a secondary battery according to exemplary embodiments of the present disclosure comprises a step of mixing a first binder containing at least one of carboxymethyl cellulose including an acyclic hemiacetal functional group and a salt thereof, and a second binder containing at least one of carboxymethyl cellulose including no acyclic hemiacetal functional group and a salt thereof, wherein the weight average molecular weights of the first and second binders are 300,000 g/mol (exclusive) to 3,500,000 g/mol (exclusive).
