Abrégé

A vertical high-temperature coating autoclave, comprising an autoclave body (1), a heat recovery device (2), a driving assembly (3), a supporting frame (4) and a stirring assembly (5), wherein the heat recovery device (2) is used for absorbing the heat from high-temperature flue generated by a reaction in the autoclave body (1), the absorbed heat is used for heating cold water, and a high-temperature and high-pressure gas-liquid mixture is used to complete cleaning of the kettle body (1) and self-cleaning of the stirring assembly (5) in combination with the rotation and vibration of the stirring assembly (3), so as to clean up high-melting-point residues and dust; a wall-scraping stirring device (51) is used for scraping the dust in a non-stirring area, and to shake the dust off in combination with vibration; a spiral mixing device (52) is used for uniform stirring to make small agglomerates break apart under impact and agitation, and driving finished products to rotate downward, so as to achieve rapid discharge and prevent a bottom discharge port from being blocked; a stirring and flushing device (53) is used for integrated stirring, autorotation stirring and raw-material upturning; and the inner wall of the autoclave body (1) is scraped by using a scraper rod (531), so as to prevent raw materials from sticking to the inner wall of the autoclave body (1).

Classes IPC  ?

• B01J 19/18 - Réacteurs fixes avec éléments internes mobiles

Abrégé

A solid-state electrolyte, and a high-safety solid-state sodium-ion battery and a preparation process therefor. In particular, the solid-state electrolyte is prepared by using a solid-phase method, and the addition of a rare-earth material to the solid-state electrolyte can effectively improve the density of the solid-state electrolyte, reducing the grain boundary resistance. A positive electrode active material is obtained by compounding a layered oxide and a polyanionic material. The introduction of the high-safety polyanionic material can greatly improve the safety performance of a battery, such that the safety performance of a sodium-ion battery is higher than that of a lithium iron phosphate battery. The addition of a graphite material to a negative electrode can effectively improve the compacted density of the negative electrode, improving the volumetric specific energy of the battery.

Classes IPC  ?

• H01M 10/0562 - Matériaux solides
• H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
• H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires

Abrégé

A conical twin-screw mixer configured to alleviate poor sealing between a revolution bent arm and a rotation stirring shaft. The conical twin-screw mixer comprises a revolution bent arm and a rotation stirring shaft, wherein the revolution bent arm comprises a bent arm housing and a rotation drive assembly in the bent arm housing, the bent arm housing comprising a bent arm ring opening, which encloses a center hole; and the rotation stirring shaft comprises a rotation drive head section and a screw stirring section which are axially connected, the rotation drive head section extending into the bent arm housing through the center hole so as to drivingly connect to the rotation drive assembly, and the screw stirring section extending out of the bent arm housing through the center hole. The screw stirring section is provided with an oil-holding ring groove, which surrounds and protrudes from the periphery of the screw stirring section; the bent arm ring opening extends into the oil-holding ring groove, and an annular gap is formed between the bent arm ring opening and the oil-holding ring groove, a sealing ring being provided in the annular gap; and the bent arm ring opening is provided with a material-retaining ring plate, which surrounds and protrudes from the periphery of the bent arm ring opening, and covers the annular gap.

Classes IPC  ?

• B01F 27/922 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe sensiblement vertical avec des hélices ou des vis avec plusieurs hélices, p. ex. des hélices qui s’engrènent les unes dans les autres
• B01F 27/95 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe sensiblement vertical avec des agitateurs ayant un mouvement planétaire, c.-à-d. tournant autour de leur propre axe et autour d'un axe solaire
• B01F 35/00 - Accessoires pour mélangeursOpérations auxiliaires ou dispositifs auxiliairesParties ou détails d'application générale
• B01F 35/71 - Mécanismes d'alimentation
• F16J 15/50 - Joints d'étanchéité entre organes mobiles l'un par rapport à l'autre, par étanchéité sans surfaces mobiles l'une par rapport à l'autre, p. ex. des garnitures étanches aux fluides pour transmettre un mouvement au travers d'une paroi

Abrégé

Provided are a graphene-based high-rate lithium ion battery and a preparation method therefor. The graphene-based high-rate lithium ion battery comprises a housing, a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte; the positive electrode sheet comprises a current collector and a positive electrode material coated on the current collector, and the positive electrode material is composed of 90-95 parts of a positive electrode active substance, 1.5-5 parts of conductive carbon black, 0.5-4 parts of a carbon nanotube, and 1.5-4.5 parts of polyvinylidene fluoride; the negative electrode sheet comprises a current collector and a negative electrode material coated on the current collector, and the negative electrode material is composed of 90-95 parts of graphite, 1-4 parts of conductive carbon black, 1.0-3.0 parts of sodium carboxymethyl cellulose, and 1.5-4.5 parts of a butadiene styrene rubber emulsion. The graphene-based high-rate lithium ion battery has good rate performance and a long cycle life, can discharge continuously at 20C, has a cycle life of more than 1500 cycles, and can be used in high-rate fields such as data centers and grid energy storage systems.

Classes IPC  ?

• 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 10/0587 - 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 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
• H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation 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 4/04 - Procédés de fabrication en général
• B82Y 30/00 - Nanotechnologie pour matériaux ou science des surfaces, p. ex. nanocomposites
• B82Y 40/00 - Fabrication ou traitement des nanostructures

Abrégé

The present invention provides a peak-clipping and valley-filling energy storage system and method applied to a communication base station. The peak-clipping and valley-filling energy storage system applied to a communication base station comprises an outdoor cabinet body, a hybrid inverter, a battery module and a control module. The hybrid inverter, the battery module and the control module are all arranged in the outdoor cabinet body. The hybrid inverter and the battery module are connected to the control module, respectively. The hybrid inverter is provided with an alternating current input interface, an alternating current output interface and a battery interface. The alternating current input interface is used for being connected to a mains supply, and the alternating current output interface is used for being connected to a load. The battery module is connected to the hybrid inverter by means of the battery interface. One technical effect of the present invention is that the design is reasonable, so that the transformation of an existing communication base station is convenient to operate, short in cycle and conducive to reducing investment and saving electricity fees, and can also reduce the peak-to-valley difference of a grid load.

Classes IPC  ?

• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion

Abrégé

Disclosed is a three-electrode repairable lithium ion battery, that is, a third electrode is implanted in the manufacturing process of the lithium ion battery, such that the effect of continuously supplementing active lithium lost in the cycle process of the lithium ion battery is achieved. The capacity of the third-electrode lithium metal adopted in the present invention is 10-30% of the total amount of positive active materials of the battery, an electric discharge machine is used for carrying out capacity recovery in an null state of the battery during repair, the discharge current is 0.01C to 0.1C, and the effect of accurately controlling the recovered capacity is achieved by setting the discharge current and setting the discharge time. Compared with a one-time lithium supplementing solution, the present invention has the greatest advantage that the capacity of the battery can be repaired under the condition that the battery does not need to be disassembled after use.

Classes IPC  ?

• 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 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires

Abrégé

The present application provides an energy control system and control method for a hybrid power supply system of a communication base station. The energy control system comprises a power grid, a diesel generator, a photovoltaic system, a lithium battery, a lead-acid battery, and a main controller. Both the power grid and the diesel generator are connected to an AC/DC rectifier by means of an automatic transfer switch; the AC/DC rectifier is connected to a system DC busbar; the diesel generator is connected to the system DC busbar by means of a DC/DC converter; the photovoltaic system is connected to the system DC busbar by means of an MPPT controller; both the lithium battery and the lead-acid battery are connected to the system DC busbar by means of a DC power flow distributor; the system DC busbar is connected to a load to supply power to the load; the main controller is used for achieving overall system operation control and adjusting output powers of the lithium battery, the lead-acid battery, and the diesel generator. According to the present application, the operation time of the diesel engine can be reduced, the lithium battery can be efficiently used, the remaining power of the lead-acid battery can be extracted, and power supply reliability can be improved.

Classes IPC  ?

• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion

Abrégé

The present invention relates to a pouch battery module, comprising battery cells, a tab fixing support, a metal connecting bar and tabs. The tab fixing support is provided with a support portion which is used for fixing and supporting the tabs, and a bending portion which is used for bending the tabs at the top of the tab fixing support. The metal connecting bar is provided with a welding portion, wherein the welding portion and the bending portion are fixedly connected to the tab fixing support. The metal connecting bar is provided with the welding portion, wherein the welding portion is attached to the bending portion. According to the present invention, by means of the tab fixing support of a wedge-shaped structure, the tops of the tabs are bent by a certain radian, and at the same time as the welding area is increased, the direction of main bodies of the tabs is kept vertical, thereby reducing stress, which is caused by transverse vibration, on welding portions of the tabs. The requirement for the tab cutting precision is reduced, and damage to the battery cells can be minimized, such that the battery module and the tab laser welding method, which simplify the manufacturing process insofar as the battery cells are not damaged, improve the production efficiency and the safety coefficient.

Classes IPC  ?

• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
• H01M 50/531 - Connexions d’électrodes dans un boîtier de batterie

Abrégé

A negative electrode lead paste additive for a high specific energy lead acid storage battery and a preparation method. The additive comprises the following raw materials in parts by weight: 8-16 parts barium sulfate, 1-2 parts lignin, 8-16 parts conductive graphite, 2.5-40 parts carbonate, and 1-2 parts short fiber; the carbonate is one or two among lead carbonate, sodium carbonate, and sodium bicarbonate. The present solution solves the problems of existing lead acid storage batteries in which the porosity is reduced and pore channels are blocked during a circulation process of a negative electrode plate, improves the utilization rate of an active material of the negative electrode plate, and increases battery specific energy. Additionally, the negative electrode lead paste additive has a wide range of sources, and is cheap and easy to obtain, and added material and a material which is released by a reaction thereof will not produce adverse side reactions for other material of the battery.

Classes IPC  ?

• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• H01M 10/06 - Accumulateurs au plomb

Produits et services

Accumulators; battery chargers; batteries; converters, electric; current rectifiers; regulated power supply apparatus.

Produits et services

Accumulators; battery chargers; batteries; converters, electric; current rectifiers; regulated power supply apparatus.

Abrégé

Disclosed in the present invention is an abuse and over-discharge performance evaluation for a lead-acid battery. The evaluation mainly obtains an abuse and over-discharge capacity rate Caod by means of an abuse and over-discharge performance test, and then obtains an over-discharge capacity attenuation rate Caoc by means of a cyclic over-discharge test. In the foregoing manner, the pros and cons of relevant design solutions and over-discharge capabilities are pre-evaluated. Also disclosed in the present invention is a capacity recovery method for a lead-acid battery after abuse and over-discharge. Said method activates a built-in active substance by means of deep discharge, thereby promoting backward battery capacity recovery. In general, the present invention employs a quantitative evaluation method which is simple and accurate, is timely, is beneficial for a guiding a design, and may significantly shorten the development cycle and reduce costs. By applying the present invention, a user may promptly optimize and adjust the operating efficiency of a matched battery pack.

Classes IPC  ?

• 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
• H01M 10/06 - Accumulateurs au plomb

Abrégé

Disclosed is a high specific energy lead-acid battery negative plate grid, which consists of a pole lug, an outer frame, longitudinal ribs, and transverse ribs. The longitudinal ribs are provided at an interval of 7-19 millimeters and the transverse ribs are provided at an interval of 34-50 millimeters to form rectangular grids of transversely short and vertically long. The present invention further relates to the formulation of a negative active material of the high specific energy lead-acid battery negative grid, the formula comprises the following components according to the parts by weight: 100 parts of lead powder, 12-14 parts of deionized water, 12-14 parts of dilute sulfuric acid, 2-3 parts of a swelling agent, 0.5-2 parts of glue-free carbon fibers, and 0.1-0.2 part of a coupling agent. According to the present invention, the grid structure is improved and the glue-free carbon fibers are added into the negative active material, so that the conductivity of the manufactured negative plate is improved and the utilization ratio is increased. The specific energy of a negative plate assembled battery manufactured in the present invention is increased to 45-50 wh/kg.

Classes IPC  ?

• H01M 4/73 - Grilles pour accumulateurs au plomb, p. ex. plaques à cadres
• 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

Abrégé

The present invention relates to the technical field of lead-acid storage batteries and relates to a lead-carbon start/stop storage battery for an automobile. The battery uses an AGM side-by-side structure; a shell uses a high-strength and high-temperature-resistant PP material, so that the side surface thickness is increased and the deformation resistant strength is improved; a grid uses a current-simulating radial structure to achieve more uniform current distribution; a composite carbon material (1.0-4.0% of active carbon, 0.5-3.0% of conductive carbon black and 0.5-2.0% of graphene) is added to negative-electrode lead paste. The present invention improves the charge acceptance property and the high-temperature cycling life of a battery and achieves start/stop cycling life of greater than 200,000 times, so that the problems of poor high temperature resistance and short start/stop cycling life of existing storage batteries are resolved. The present invention is applicable to a storage battery for automobile start/stop.

Classes IPC  ?

• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• H01M 4/73 - Grilles pour accumulateurs au plomb, p. ex. plaques à cadres
• H01M 2/02 - Bacs, fourreaux ou enveloppes
• H01M 10/12 - Structure ou fabrication

Abrégé

Disclosed in the present invention is a lead paste formulation of a cyclic lead-acid storage battery for communication, comprising a positive electrode lead paste formulation and a negative electrode lead paste formulation. The positive electrode lead paste formulation comprises the following raw materials by weight percentages: 5.5 to 6.5% of dilute sulphuric acid, 10 to 11% of deionized water, 0.1 to 0.15% of short fibers, and the balance being lead powders. The negative electrode lead paste formulation comprises the following raw materials by weight percentages: 6 to 7% of dilute sulphuric acid, 10 to 10.5% of deionized water, 1.0 to 1.3% of barium sulfate, 0.1 to 0.5% of sodium ligninsulfonate, 0.1 to 0.15% of carbon black, 0.1 to 0.15% of short fibers, and the balance being lead powders. The present invention further comprises a preparation method for the lead paste of a cyclic lead-acid storage battery for communication. The over-discharging property and the recharging property of the lead-acid storage battery manufactured by using the present invention are significantly improved, thereby effectively solving the problems of frequent over-discharging and slow capacity recovery of lead-acid storage batteries during practical application due to a poor grid environment, and the recharging capacity is improved. Thus, the 100% DOD cycle life of the lead-acid storage battery is greatly improved.

Classes IPC  ?

• H01M 4/57 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de plomb de "plomb gris", c.-à-d. de poudres à base de plomb et d'oxyde de plomb

Produits et services

Accumulators; battery chargers; battery; solar batteries.

Produits et services

Chargers for electric batteries; electric accumulators.

Produits et services

Electric converters; electric accumulators for vehicles; electric batteries for vehicles; low-voltage power supplies; galvanic cells; chargers for electric batteries; battery jars; grids for batteries; battery boxes; electric cables; electric batteries; electric wires; material for electricity mains (wires, cables); power station automatized apparatus; voltage regulators; anticathodes; high tension batteries; instruments and measuring apparatus for physical chemistry tests and element analysis; inverters (electricity); distribution consoles (electricity); switchboards; distribution boards (electricity); batteries for pocket lamps; solar batteries; stabilized power supplies; batteries for flashlights; electric accumulators; accumulator boxes; accumulator jars; anode batteries; cathodes; cathodic anti-corrosion apparatus; galvanic batteries; batteries for lighting; batteries for the purpose of lighting; electric apparatus for commutation; plates for batteries.