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DEVICE FOR HEATING ELECTRODES

Resumen de: EP4708371A1

A heating device for heating an electrode according to an embodiment of the present disclosure includes at least one heating lamp disposed to face the electrode; a heating chamber having an internal receiving space accommodating the heating lamp and configured to allow the electrode to pass through; and a control module configured to adjust the temperature of the electrode.

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4708543A1

The present application relates to the field of batteries, and provides a battery (1) and an electrical apparatus. The battery (1) includes a thermal management component (40) and an electrical box (30). The electrical box (30) includes a case (31) and a thermally conductive structure (32). The case (31) is configured to accommodate a heat-generating component (33). The thermally conductive structure (32) is sealingly connected to the case (31), and the thermally conductive structure (32) connects the heat-generating component (33) and the thermal management component (40). The electrical box (30) of the battery (1) facilitates heat exchange between the heat-generating component (33) and the thermal management component (40) via the thermally conductive structure (32) to meet the heat dissipation requirements of the electrical box (30). Additionally, by sealingly connecting the thermally conductive structure (32) to the case (31), connection gaps are sealed to prevent liquid infiltration into the interior of the case (31), thereby enhancing the sealing performance of the electrical box (30) and reducing the risk of high-voltage short-circuit arcing in the electrical box (30) due to water infiltration.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4708478A1

The present application provides a battery cell, a battery, and an electrical apparatus, and belongs to the field of battery technologies. The battery cell includes a shell, a pressure relief component, and a reinforcement member. The shell has a wall portion, and the wall portion is provided with a pressure relief hole. The pressure relief component is arranged in the pressure relief hole and covers the pressure relief hole. The reinforcement member is arranged in the pressure relief hole and does not exceed the pressure relief hole in a thickness direction of the wall portion. The reinforcement member is connected to a hole wall surface of the pressure relief hole. The reinforcement member and the pressure relief component are arranged in the thickness direction of the wall portion to reinforce the strength of the wall portion at the pressure relief hole. This battery cell is capable of improving, by the reinforcement member, the structural strength of a region of the wall portion where the pressure relief hole is arranged, so as to alleviate the phenomenon that the pressure relief hole deforms when the wall portion is subjected to internal and external impact forces, thereby being capable of playing a protective role for the pressure relief component, so as to reduce the impact to the pressure relief component when the wall portion is subjected to the internal and external impact forces, which is conducive to alleviating the deformation of or damage to the pressure relief

SQUARE BATTERY APPEARANCE DEFECT DETECTION METHOD AND APPARATUS, STORAGE MEDIUM, AND ELECTRONIC DEVICE

Resumen de: EP4707786A1

The present invention belongs to the technical field of computers, and provides a square battery appearance defect detection method and apparatus, a storage medium, and an electronic device. The method comprises: moving a battery to be detected to a first position, and calling a first camera module to photograph a first part of said battery to form a front image and a rear image of said battery; moving said battery to a second position, and calling a second camera module to photograph a second part of said battery to form a left side image and a right side image of said battery; moving said battery to a third position, and calling a third camera module to photograph a third part of said battery to form a bottom image and a top image of said battery; and performing appearance defect identification on said battery according to the front image, the rear image, the left side image, the right side image, the bottom image and the top image. The present invention can improve the overall defect identification efficiency for square batteries.

MANUFACTURING METHOD AND DEVICE FOR AA LITHIUM ION BATTERY, APPARATUS AND MEDIUM

Resumen de: EP4708444A1

The present application relates to a preparation method, apparatus, device and medium for a No. 5 lithium-ion battery. The method includes: preparing a battery cell based on a preparation process of the battery cell; selecting a steel material for preparing the battery and stamping it to obtain an upper steel shell of the battery; acquiring and determining bending parameters of the spring sheet based on user requirements and attribute parameters of the spring sheet; assembling a PCB board and the upper steel shell of the battery based on the bending parameters of the spring sheet, bending a negative spring sheet on a side of the PCB board downwards, so that the negative spring sheet is in elastic contact with the upper steel shell, and bending a positive spring sheet at a bottom of the PCB board downwards, so that the positive spring plate is in elastic contact with a top of the battery cell, thus obtaining a complete step-down charging terminal; fitting the complete step-down charging terminal onto the battery cell to obtain a semi-finished product of the battery; and fixing the semi-finished product of the battery by roller pressing along a groove of the battery cell, and covering an insulating film on a outside of the semi-finished product after being fixed roller pressing to obtain a finished product of the battery. The present application has an effect of improving a safety of lithium-ion batteries.

POSITIVE ELECTRODE, MANUFACTURING METHOD THEREFOR, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4708375A1

The present invention relates to a positive electrode, a manufacturing method therefor, and an all-solid-state battery including same, wherein the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, a sulfide-based solid electrolyte, and a binder, the binder includes a first binder having a weight average molecular weight of 300,000 g/mol or more and a second binder having a weight average molecular weight of 50,000 g/mol or less, and the second binder includes a thiol group. According to the present invention, it is possible to provide: the positive electrode having excellent adhesion between interfaces and/or between components in the positive electrode active material layer as well as excellent dispersibility, and having excellent high-rate discharge efficiency at 1.0C and capacity retention across cycles; a manufacturing method for the positive electrode; and an all-solid-state battery having excellent performance by including the positive electrode.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND LITHIUM-SULFUR BATTERY

Resumen de: EP4708373A1

The present application provides a cathode material comprising the following raw materials in parts by weight: 10 parts of a porous carbon conductive agent, 7 to 14 parts of an additive, 38 to 44 parts of an active material, and 32 to 40 parts of a solid electrolyte, wherein the active material comprises sulfur powder, and the additive comprises one or both of phosphorus pentasulfide and phosphorus trisulfide. Elemental sulfur reacts with lithium ions during battery discharge to form lithium sulfide, which can react with the additive to in-situ generate a lithium phosphorus sulfur solid electrolyte. The lithium phosphorus sulfur solid electrolyte not only enables most of the active material to participate in the charge-discharge cycle, improving the utilization rate of the active material, but also forms an ionic conductive network, allowing lithium ions to conduct faster. It also enhances the ionic conductivity of the cathode material, achieving high specific capacity and cycling stability in all-solid-state lithium-sulfur batteries under high areal loading conditions.

POWER SYSTEMS

Resumen de: EP4708624A1

A power system includes a lever bar configured to move between a first position and a second position. In the first position, the lever bar is configured to enable the power system to mate with a first type of replacement battery cartridge, mate with a first type of external battery connector, block a second type of replacement battery cartridge, and block a second type of external battery connector. In the second position, the lever bar is configured to enable the power system to mate with the second type of replacement battery cartridge, mate with the second type of external battery connector, block the first type of replacement battery cartridge, and block the first type of external battery connector.

POUCH TYPE BATTERY CELL AND VEHICLE INCLUDING SAME

Resumen de: EP4708546A1

Disclosed are a pouch-type battery cell which is thick and thus has improved durability and stability while maintaining the formability and insulation performance of a pouch and a vehicle including the same. The battery cell includes an electrode assembly formed by overlapping a plurality of electrodes, a packaging material folded to wrap around the electrode assembly to form a rectangular pouch, a sealing part formed by overlapping and contacting edges of the folded packaging material in which the electrode assembly is wrapped, and a pair of leads whose ends are connected to the plurality of electrodes inside the packaging material and whose other ends are exposed to the outside of the packaging material. The pair of leads are exposed in the same direction.

ELECTROLYTE ADDITIVE, ELECTROLYTE AND BATTERY

Resumen de: EP4708441A1

Provided are an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes a first additive, a second additive, and a third additive. The first additive includes a compound represented by formula 1:where: R₁ is selected from C atom or O atom; R₂ is selected fromR₃ is selected from methylene,R₄ is selected fromand at least one of R₂, R₃, and R₄ contain sulfur atom. The second additive includes at least one of a compound represented by formula 2 or a compound represented by formula 3:where X includes P atom or B atom. The third additive includes a compound represented by formula 4: R-N=C=O formula 4, where R includes at least one of alkyl, O=C=N-substituted alkyl, cycloalkyl, O=C=N-substituted cycloalkyl, aryl, or O=C=N-substituted aryl. In this way, a stable and low-impedance interface film may be formed on an electrode surface, reducing impedance and gas production of the battery, and improving cycle performance of the battery.

BATTERY MODULE, BATTERY PACK, AND VEHICLE

Resumen de: EP4708535A1

Disclosed are a battery module, a battery pack, and a vehicle. A battery module according to an embodiment of the present disclosure may include: a plurality of battery cells; a module case in which the plurality of battery cells are stored; and a flame propagation prevention member disposed between the plurality of battery cells inside the module case, and the flame propagation prevention member may be configured to change its shape when a thermal event occurs so as to block a gap formed between the module case and the battery cells.

ADDITIVE COMPOSITION, ELECTROLYTE COMPRISING SAME, AND BATTERY

Resumen de: EP4708439A1

The present application provides an additive composition, as well as an electrolytic solution and a battery thereof, wherein the additive composition comprises a first additive and a second additive; the first additive comprises a compound having a structure represented by formula 1, and the second additive comprises a silane additive. The additive composition provided by the present application is able to improve the cycling performance and high-temperature performance of the battery when used in an electrolytic solution.

POLE, COVER PLATE ASSEMBLY AND BATTERY CELL

Resumen de: EP4708480A2

The present application provides a pole for a battery cell, a cover plate assembly and a battery cell, related to the field of battery technology. The pole includes a first metal part and a second metal part; where the first metal part defines a first concave portion and a first convex portion, and the first convex portion protrudes from an opening of the first concave portion along a direction away from the first concave portion; the second metal part includes a terminal and a second convex portion, where the second convex portion protrudes outward from the terminal, and a side of the terminal close to the second convex portion is provided with a second concave portion; and, the first convex portion is embedded in the second concave portion, and the second convex portion is embedded in the first concave portion.

ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: EP4708406A2

A first metal layer (11) is provided with a plurality of first pores, a second metal layer (12) is provided with a plurality of second pores, an insulation layer (13) is provided with a plurality of second pores, and the first pores, the second pores, and the third pores being configured to transmit ions. The electrode plate (10) includes a first tab (17) and a first insulation adhesive (17a), where a first portion of the first tab (17) is connected to the first metal layer (11), along the thickness direction of the electrode plate (10), a projection of a third portion is located outside a projection of the first metal layer (11), and the first insulation adhesive (17a) is disposed on the surface of the third portion and that faces the second metal layer (12), and the first insulation adhesive (17a) is connected to the first metal layer (11). A first active material layer (14) is disposed on a surface of the first metal layer (11) and facing away from the insulation layer (13), and a second active material layer (15) is disposed on a surface of the second metal layer (12) and facing away from the insulation layer (13), where the first active material layer (14) and the second active material layer (15) are of opposite polarities.

BATTERY CASE AND MULTI-LAYER BATTERY SYSTEM

Resumen de: EP4708512A1

Provided are a battery box and a multilayer battery system. The multilayer battery system includes a battery box, a conductive assembly, and multiple cell assemblies (20). The battery box includes a bottom guard plate (11), a box cover (13), and a box body connected to the bottom guard plate (11) and the box cover (13). The box body includes at least two splicing boxes (12) that are stacked. For each splicing box (12), the upper end and the lower end of the splicing box (12) are each provided with an opening. The cell assemblies (20) are stacked. Each splicing box (12) accommodates a cell assembly (20). The conductive assembly is disposed in the battery box and configured to be electrically connected to the cell assemblies (20).

ELECTROLYTE, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS

Resumen de: EP4708404A2

An electrolyte includes lithium bis(fluorosulfonyl)imide, a sulfur-containing compound, and propyl propionate. Based on a mass of the electrolyte, a mass percentage of lithium bis(fluorosulfonyl)imide is A%, a mass percentage of the sulfur-containing compound is B%, and a mass percentage of propyl propionate is D%, where 0.3 ≤ B/A ≤ 4, and 30 ≤ D ≤ 40. With the above configuration, the risk of increased alternating current impedance of the electrochemical apparatus under high voltage can be reduced, and the drop resistance and intermittent cycling performance of the electrochemical apparatus can be improved.

BATTERY MODULE, BATTERY PACK AND VEHICLE

Resumen de: EP4708465A1

Disclosed are a battery module, a battery pack, and a vehicle. The battery module includes a plurality of battery cells; a module case in which the plurality of battery cells are accommodated; and a flame suppression pad disposed between the plurality of battery cells inside the module case, and the flame suppression pad is coated with an insulating member or contains an insulating member therein.

ALL-SOLID-STATE BATTERY

Resumen de: EP4708435A1

An all-solid-state battery including a battery body including a negative electrode layer, a positive electrode layer, and a solid electrolyte layer between the negative electrode layer and the positive electrode layer; a case accommodating the battery body; and a fire-extinguishing agent inside the case, wherein the fire-extinguishing agent is configured to produce a solid aerosol.

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, ALL-SOLID-STATE BATTERY, AND METHOD OF FABRICATING THE SAME

Resumen de: EP4708381A2

Disclosed are negative electrodes, all-solid-state batteries, and fabrication methods thereof. The all-solid-state battery includes a positive electrode layer, a negative electrode layer including a negative electrode current collector, and a negative electrode coating layer on the negative electrode current collector, and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The negative electrode layer includes lithiophilic metal, carbon, an additive, and a porous polymer composite. The porous polymer composite has a particulate shape. The additive includes a binder. An amount of the porous polymer composite in the negative electrode coating layer is greater than the amount of the additive in the negative electrode coating layer.

BATTERY, ELECTRIC DEVICE, AND METHOD FOR MANUFACTURING BATTERY

Resumen de: EP4708534A2

Embodiments of the present application provide a battery, a power consumption apparatus, and a method and an apparatus for preparing a battery. The battery includes a plurality of battery cells arranged in a first direction, where the battery cell is provided with a pressure relief mechanism, configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold value, to relieve the internal pressure; and a protecting plate, where the protecting plate is attached to a surface of the battery cell provided with the pressure relief mechanism to protect the battery cell, the protecting plate is provided with a plurality of openings, and an opening is provided corresponding to the pressure relief mechanism to expose the pressure relief mechanism via the opening, and two openings corresponding to the pressure relief mechanisms of two adjacent battery cells are provided in a staggered manner in the first direction. The battery, the power consumption apparatus, the method and the apparatus for producing the battery of the present application can enhance safety performance of the battery.

BUS VOLTAGE MODULATION METHOD FOR DYNAMICALLY RECONFIGURABLE SERIES-CONNECTED BATTERY SYSTEM

Resumen de: EP4708621A1

The present disclosure discloses a bus voltage modulation method for a series dynamic reconfiguration battery system, and belongs to the technical field of energy storage for new energy power systems, comprising: numbering all battery modules as i, collecting a voltage value of each battery module, and arranging in a descending order according to magnitudes of the voltage values; selecting a battery module corresponding to the highest voltage value; determining whether the serial number i of the selected battery module is less than a total number N of series battery modules, if a determination result is YES, accumulating voltage values corresponding to the selected battery modules, and determining whether a voltage accumulation value of the battery modules is within a preset range; and performing an i++ operation according to the voltage accumulation value of the battery modules, and repeating the above content until an output bus voltage meets requirements for the preset range. A dynamic reconfiguration battery system based on a software-defined technology of the present disclosure can reconstruct and output a desired power bus voltage according to voltages of respective battery modules in real time to meet the requirements for the output power bus voltage.

COMPOSITE SODIUM IRON SULFATE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET OF SODIUM-ION BATTERY, AND SODIUM-ION BATTERY

Resumen de: EP4708392A1

The present invention provides a composite sodium iron sulfate positive electrode material and a preparation method thereof, a sodium-ion battery positive electrode plate, and a sodium-ion battery, relating to the technical field of batteries. In the preparation method of the composite sodium iron sulfate positive electrode material provided by the present invention, the conductivity of the conductive agent can be improved by doping boron during the preparation process of the conductive agent, reducing the amount of conductive agent; adding the conductive agent during the preparation process of the positive electrode materials can improve the dispersion uniformity of the conductive agent; and high-temperature sintering can enable the contact between the conductive agent and the active material to be more reliable, and the dry-process electrode plate prepared using the material has a lower resistance value of electrode plate.

VENT PLATE, METHOD FOR MANUFACTURING THE SAME, AND SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4708531A1

A vent plate includes a first vent member in an electrolyte injection port of a case of a secondary battery and a second vent member coupled to the first vent member. The first vent member includes a head portion on an outside of the case and a protrusion protruding from the head portion toward an inside of the case and in the electrolyte injection port.

ELECTRICAL CELL MODULE, AND A METHOD OF ASSEMBLING AN ELECTRICAL CELL MODULE

Resumen de: EP4708496A1

The present invention relates to an electrical cell module, particularly an electrical cell module including at least two cell stacks. A method of manufacturing the electrical cell module is also disclosed. The electrical cell module comprises: an opposing pair of module end plates spaced apart from one another along a longitudinal axis; a first cell stack; and a second cell stack. Each of the first cell stack and second cell stack comprises: a series of cells stacked along the longitudinal axis, and a pair of stack end plates, arranged at opposing ends of the series of cells, and configured to be fixed to one another in an assembled position. In the assembled position, the pair of stack end plates apply to the series of cells a compressive force along the longitudinal axis, and define a stack length of the respective cell stack. The compressive force applied to the first cell stack and the compressive force applied to the second cell stack are each within a predetermined operable range. The electrical cell module is configured so that each of the opposing pair of module end plates is fixedly engaged, in a use position, with one corresponding stack end plate of each of the first cell stack and the second cell stack. In the use position the module end plates are spaced apart from one another along the longitudinal axis by a predetermined distance, and the first stack length is different to the second stack length.

AUTOMATIC SPINDLE ADJUSTMENT APPARATUS

Nº publicación: EP4706846A1 11/03/2026

Solicitante:

SAMSUNG SDI CO LTD [KR]
INTOPS TECHNIC CO LTD [KR]
Samsung SDI Co., Ltd,
Intops Technic Co., Ltd

Resumen de: EP4706846A1

An automatic spindle adjustment apparatus includes a base frame, a spindle adjuster on the base frame, the spindle adjuster being configured to adjust an upper spindle mover to set a moving range of an upper spindle corresponding to a target occlusal thickness of a battery cell, a vertical mover on the base frame, the vertical mover being configured to move the spindle adjuster in an up-and-down direction, and a horizontal mover on the vertical mover, the horizontal mover being coupled to the spindle adjuster and configured to move the spindle adjuster in a forward-backward direction.