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SOCKET AND SECONDARY BATTERY MANUFACTURING SYSTEM

Resumen de: WO2025164846A1

The present disclosure relates to a socket, and the technical objective is to provide a socket with increased efficiency during a secondary battery manufacturing process. To this end, the socket of the present disclosure comprises: a plate including a first surface and a second surface opposite to the first surface; a first mounting portion defined by the first surface of the plate, a first wall, and a first side wall and a second side wall that extend in a first direction from both sides of the first wall, respectively; and a second mounting portion defined by the second surface of the plate, a second wall, and a third side wall and a fourth side wall that extend in the first direction from both sides of the second surface, respectively, wherein the first side wall and the second side wall are spaced apart in a second direction different from the first direction, the third side wall and the fourth side wall are spaced apart in the second direction, the first wall extends in a positive third direction from one end of the plate, and the second wall extends in a negative third direction from the other end of the plate, wherein the third direction is different from each of the first direction and the second direction.

METHOD FOR MANUFACTURING CYLINDRICAL BATTERY

Resumen de: WO2025164254A1

This method for manufacturing a cylindrical battery comprises the steps for: accommodating an electrode body in which a positive electrode and a negative electrode are wound with a separator interposed therebetween in a bottomed cylindrical outer can (20); and electrically connecting the negative electrode to the outer can (20) so that the electrode body cannot be detached from the outer can (20), and then reducing the outer diameter of an opening end (20B) of the outer can (20) with the opening of the outer can (20) facing downward in the vertical direction. According to the method for manufacturing a cylindrical battery of the present disclosure, an increase in weight can be suppressed while increasing the capacity, and a cylindrical battery in which foreign matter is less likely to be mixed into the outer can can be manufactured.

ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: WO2025164262A1

This all-solid-state battery has a positive-electrode active-material layer (10), a solid electrolyte layer (20), and a negative-electrode active-material layer (30) in this order, and further has an insulating member (40) in contact with an outer peripheral part of the solid electrolyte layer (20), and at least a part of the solid electrolyte layer (20) is located in a region (S) surrounded by the positive-electrode active-material layer (10) and the insulating member (40).

ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: WO2025164871A1

Disclosed is an all-solid-state secondary battery comprising positive and negative electrode layers and a solid electrolyte layer therebetween, wherein the negative electrode layer comprises a negative current collector and a first negative active material layer on one surface thereof, and the solid electrolyte layer comprises a sulfide-based solid electrolyte and an inorganic filler, the inorganic filler comprising lithium metal oxyhalide represented by chemical formula 1. LiaMbOcCld In chemical formula 1, 0

BATTERY MANAGEMENT SYSTEM AND METHOD AND ENERGY STORAGE APPARATUS

Resumen de: WO2025161960A1

Provided in the present invention are a battery management system and method and an energy storage apparatus. The battery management system comprises micro-control units and a collection unit, wherein each micro-control unit is used for receiving and/or sending a control signal, the collection unit is used for collecting cell parameters, two ends of the collection unit are connected to the micro-control units, the collection unit comprises at least one cell management unit, each cell management unit is provided with an analog front end, each analog front end is used for connecting to one cell for collection of the cell parameters, there are two micro-control units and two cell management units, each cell management unit is connected to one micro-control unit, and the two micro-control units share parameter signals and the control signals. The battery management system of the present invention can manage each cell, so as to allow for more balanced workload of each component, thus reducing the risk of slave control failures; and the battery management system can fully use the two micro-control units, so as to make system operation safer and more reliable.

EXHAUST ENERGY STORAGE CABINET

Resumen de: WO2025161776A1

The present disclosure relates to the technical field of battery energy storage, and provides an exhaust energy storage cabinet. An exhaust air duct assembly in the exhaust energy storage cabinet comprises an air duct housing extending in the height direction of a cabinet body, a first flow guide member, a first fan, and a second fan. The first flow guide member is located in the air duct housing and between the air duct sidewall of the air duct housing and the inner wall of the cabinet body, the air duct side wall and the inner wall being oppositely spaced from each other, and covers at least part of a second air inlet. The connecting position of a first edge of the first flow guide member and the air duct sidewall is located between a first air inlet and the second air inlet. A second edge of the first flow guide member and the air duct sidewall are spaced to form an air outlet. The exhaust air duct assembly in the exhaust energy storage cabinet can reduce air inlet interference between the fans, thereby improving the exhaust efficiency.

NEGATIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE SHEET, LITHIUM-ION BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025161964A1

A negative electrode active material and a preparation method therefor, a negative electrode sheet, a lithium-ion battery, and an electric device. The lithium-ion battery comprises one or more battery cells (5), the battery cell (5) comprises a negative electrode sheet, the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, and the negative electrode film layer comprises a negative electrode active material. The negative electrode active material comprises an inner core and a coating layer located on at least part of the surface of the inner core, wherein the inner core comprises graphite, and the coating layer comprises amorphous carbon; and in the cumulative distribution curve of the R value of the negative electrode active material obtained in the area scanning mode of a laser microscopic confocal Raman spectrometer, the concentration degree of the R value is less than or equal to 2.0.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2025164252A1

Provided is a non-aqueous electrolyte secondary batter comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector and a positive electrode mixture layer supported by the positive electrode current collector. The positive electrode mixture layer contains a positive electrode active material and a fluorine-containing sulfonic acid compound. The ratio of the mass of the fluorine-containing sulfonic acid compound to the total mass of the positive electrode active material and the fluorine-containing sulfonic acid compound in the positive electrode mixture layer is 1.5% by mass or less.

RECOVERY SYSTEM FOR DRY RECYCLING OF WASTE SECONDARY BATTERY CAPABLE OF REDUCING CARBON DIOXIDE AND RECOVERY METHOD USING SAME

Resumen de: WO2025164848A1

The purpose of the present invention is to provide: a recovery system for dry recycling of a waste secondary battery, wherein the recovery system can use low-grade waste secondary battery powder, produce large amounts of lithium carbonate, and reduce carbon dioxide; and a recovery method using same. In order to achieve the purpose, the present invention is characterized by comprising: a supply unit including a hopper for supplying a cell powder, a first valve for transferring the supplied cell powder, and a second valve for providing carbon dioxide to the transferred cell powder; a process chamber including a heating device for heating the cell powder in the provided carbon dioxide atmosphere, a first cooling unit for cooling the heated cell powder, and a second cooling unit for cooling the cell powder transferred from the first cooling unit; and a discharge unit for discharging the cell powder transferred from the second cooling unit, wherein the system is a rotary kiln system.

METHOD FOR CONTROLLING ION CONDUCTIVITY USING TEMPERATURE-RESPONSIVE POLYMER

Resumen de: WO2025164119A1

Provided is a new method for controlling ion conductivity using a polymer solution that dissolves in an organic solvent at a low temperature to form a transparent solution, and undergoes phase separation when the temperature increases, more specifically, using a temperature-responsive polymer that undergoes lower critical solution temperature (LCST)-type phase separation.　This method for controlling ion conductivity changes, according to the temperature, the ion conductance of a temperature-responsive ionic solution which contains a temperature-responsive polymer, a salt, and an organic solvent, and in which the salt is dissociated into ionic components. Preferably, the temperature-responsive polymer is a polymer that exhibits lower critical solution temperature-type phase separation.

BATTERY ACTIVATION PROCESS FACILITY

Resumen de: WO2025164942A1

A battery activation process facility according to the present invention may comprise: multiple charging/discharging devices arranged in a horizontal direction and a vertical direction; and a duct module connected to the multiple charging/discharging devices. Each of the charging/discharging devices may comprise: a jig unit having a charging/discharging jig for charging/discharging battery cells; a power source unit having a power supply unit for supplying charging/discharging power to the charging/discharging jig; and an outer case for accommodating the jig unit and the power source unit, the outer case having a ventilation hole in at least one side surface thereof. The duct module may be configured to directly communicate with the ventilation hole of each of the charging/discharging devices.

SECONDARY BATTERY AND BATTERY PACK

Resumen de: WO2025161425A1

Disclosed in the present application are a secondary battery and a battery pack. The secondary battery comprises a top cover assembly comprising a top cover plate, an electrode terminal and a first insulating member, wherein the top cover plate has a through hole; the electrode terminal is arranged through the through hole; the electrode terminal comprises a first body and a flange, the flange being circumferentially connected to the peripheral side of the first body; the first insulating member is arranged around the electrode terminal and is connected between the top cover plate and the electrode terminal; and the first insulating member comprises annular first, second and third sections, the first section being connected to the second section, and the end of the second section away from the first section being connected to the third section, the first section, the second section, and the third section being integrally formed and enclosing a groove, and at least part of the flange being arranged in the groove. In the present application, the first section, the second section and the third section, which are integrally connected, enclose the groove, and the flange is arranged in the groove, so that the first insulating member is interposed between the electrode terminal and the top cover plate, thereby ensuring the insulation reliability of the first insulating member.

NOVEL FITNESS DEVICE CAPABLE OF BEING FOLDED BY 180 DEGREES

Resumen de: WO2025161706A1

Disclosed in the present utility model is a novel fitness device capable of being folded by 180 degrees, comprising housings, a rotating member, bottom plates, resistance take-up devices, training ropes, pulling assemblies, an electric control assembly, and a battery assembly. The two housings are rotatably connected to two ends of the rotating member, respectively; a rotation amplitude limiting structure is provided at a hinged connection position of each housing and the rotating member; the resistance take-up devices are respectively arranged on the top surfaces of the housings; one end of each training rope is wound around the corresponding resistance take-up device, and the other end of each training rope is connected to the corresponding pulling assembly; the electric control assembly and the battery assembly are both electrically connected to the two resistance take-up devices; and the bottom plates are arranged at the bottoms of the housings. In the present utility model, double resistance take-up devices are used and respectively mounted at the tops of a pair of housings arranged about the rotating member, and each resistance take-up device is independently driven, so that pulling forces on two sides are uniform and stable; and the fitness device has few parts, a stable structure, a wide adjustment range, is easy to use, can be folded for easy storage, has small occupied space, and thus greatly improves user experience.

DISTRIBUTION BOX, BATTERY PACK, AND VEHICLE

Resumen de: WO2025161709A1

A vehicle. The vehicle comprises a battery pack, the battery pack comprises a distribution box, and the distribution box comprises a box body, a positive electrode loop, a negative electrode loop, a circuit breaker, and a heat dissipation device. The positive electrode loop is arranged in the box body, and the positive electrode loop comprises a first conductive connecting member and a second conductive connecting member. The negative electrode loop is arranged in the box body, and the negative electrode loop comprises a third conductive connecting member and a fourth conductive connecting member. A first positive terminal of the circuit breaker is connected to one end of the first conductive connecting member, a second positive terminal of the circuit breaker is connected to one end of the second conductive connecting member, a first negative terminal of the circuit breaker is connected to one end of the third conductive connecting member, and a second negative terminal of the circuit breaker is connected to one end of the fourth conductive connecting member. The heat dissipation device is arranged at a heat dissipation opening of the box body.

BATTERY PACK, AND ELECTRIC BICYCLE AND VEHICLE INCLUDING SAME

Resumen de: WO2025164883A1

A battery pack, and an electric bicycle and vehicle including same are disclosed. The battery pack according to one embodiment of the present invention comprises: a plurality of battery modules having a plurality of cylindrical battery cells; a pack case in which the plurality of battery modules are accommodated; and a flame propagation prevention member disposed between a first battery module from among the plurality of battery modules and a second battery module that is adjacent to the first battery module, so as to prevent the propagation of flames generated by any one battery module, wherein the flame propagation prevention member electrically connects the first battery module to the second battery module.

POWER STORAGE DEVICE

Resumen de: WO2025164750A1

A cylindrical battery comprises: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are disposed with a separator (13) therebetween; and an exterior body (16) that accommodates the electrode body (14). The negative electrode (12) has a first end and a second end in the axial direction. Current collection for the negative electrode (12) is performed from the first end side. A first mixture layer (42) of the negative electrode (12) may have a first mixture thin section (81) in which the thickness is thin at the end section on the second end side in the axial direction, and the position of formation of the first mixture thin section (81) may coincide with the position of formation of a thin section of the negative electrode (12).

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2025164178A1

This non-aqueous electrolyte secondary battery (10) comprises a positive electrode (11), a negative electrode (12), and a non-aqueous electrolyte, wherein the negative electrode (12) has a negative electrode mixture layer containing a negative electrode active material including a Si-based material, the positive electrode (11) has a positive electrode mixture layer containing a positive electrode active material and a conductive agent, the positive electrode active material includes a positive electrode active material A composed of polycrystalline particles and a positive electrode active material B composed of single-crystalline particles, the average particle diameter (DB) of the positive electrode active material B is smaller than the average particle diameter (DA) of the positive electrode active material A, and the conductive agent contains single-walled carbon nanotubes and multi-walled carbon nanotubes.

SECONDARY BATTERY

Resumen de: WO2025163917A1

The present invention provides a secondary battery comprising: a positive electrode that contains triquinoxalinylene; a negative electrode that contains zinc; and an electrolyte that is disposed between the positive electrode and the negative electrode and that contains magnesium chloride.

SECONDARY BATTERY

Resumen de: WO2025163918A1

This secondary battery comprises: a positive electrode containing a quinone organic compound; a negative electrode containing zinc; and an electrolyte that is disposed between the positive electrode and the negative electrode, and that contains magnesium chloride. (In the formula, R1 to R8 denote a hydrogen atom or a hydroxy group or a methoxy group.)

ELECTRIC POWER STORAGE MODULE

Resumen de: WO2025164734A1

This electric power storage module is characterized by comprising: a plurality of power storage devices 10; a holder 30 holding the plurality of power storage devices 10; a cooling liquid for immersing the plurality of power storage devices 10 in the holder 30; and a case 40 that has an inflow portion 47 allowing the inflow of the cooling liquid from the outside, the case 40 housing the holder 30.

BATTERY WINDING APPARATUS, BATTERY PRODUCTION LINE AND CONTROL METHOD THEREFOR

Resumen de: WO2025161761A1

A battery winding apparatus, a battery production line and a control method therefor, which belong to the technical field of battery production. The battery winding apparatus comprises: a support member; an alignment roller set, movably installed on the support member and used for aligning a plurality of composite electrode sheets; a winding needle, rotatably installed on the support member and used for winding the plurality of composite electrode sheets; a feeding roller set, movably installed on the support member between a standby position and a clamping position in a first direction, and configured to, when located at the clamping position, clamp a blank separator of one composite electrode sheet between the winding needle and the alignment roller set and move in a second direction to adjust a distance between two composite electrode sheets; and a cutter assembly, movably installed on the support member and used for cutting off the composite electrode sheets.

BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2025161621A1

Disclosed in the present application are a battery and an electrical device. The battery comprises a battery cell group and a first box body. The first box body comprises a bottom wall and two first side walls oppositely arranged in a first direction, the battery cell group is located between the two first side walls, the bottom wall is used for bearing the battery cell group, and each first side wall and the bottom wall are connected by means of a first connection part. Each first side wall has a first side surface facing the battery cell group; in the first direction, the minimum distance between the first side surface and the battery cell group is L1, and the minimum distance between the first connection part and the battery cell groups is L2, L1≤L2, thus effectively improving the reliability of the battery.

REINFORCING PLATE, BATTERY PACK ASSEMBLY AND ELECTRICAL DEVICE

Resumen de: WO2025161669A1

A reinforcing plate (110), a battery pack assembly (100) and an electrical device. The reinforcing plate (110) comprises a main body part (111) and a support connection part (112). The main body part (111) is adapted to connect to a battery cell component (140). One end of the support connection part (112) is connected to the end part of the main body part (111) in a first direction, while the other end of the support connection part (112) is adapted to connect to a casing of a battery pack, the first direction being a direction perpendicular to the thickness direction of the main body part (111). By connecting the main body part (111) to the battery cell component (140) and connecting the end part of the support connection part (112) away from the main body part (111) to the casing of the battery pack, the reinforcing plate (110), the battery cell component (140) and the casing form a whole body, so that the battery cell component (140) can move and vary along with the reinforcing plate (110), that is, the reinforcing plate (110) can transfer force between the battery cell component (140) and the casing, thereby helping to improve the vibration resistance of the battery cell component (140) in operating conditions such as vibration.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2025164453A1

Provided is a nonaqueous electrolyte secondary battery that has a reduced risk of short circuiting. A nonaqueous electrolyte secondary battery according to one aspect of the present disclosure comprises: an electrode body in which a first electrode and a second electrode that are strip-shaped and have different polarities are wound in the longitudinal direction with a separator therebetween; and an exterior body that accommodates the electrode body. The first electrode includes a current collector and a mixture layer formed on a surface of the current collector. On both surfaces of the first electrode, a pair of current collector exposed portions of the current collector are formed so as to overlap each other in the thickness direction of the first electrode, and a pair of protective tapes covering the current collector exposed portions are disposed so as to overlap each other in the thickness direction of the first electrode. The pair of protective tapes each include a protruding portion protruding from the current collector in the widthwise direction of the first electrode, and are adhered to each other at the protruding portions.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Nº publicación: WO2025164523A1 07/08/2025

Solicitante:

FUJIFILM CORP [JP]
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Resumen de: WO2025164523A1

A non-aqueous electrolyte secondary battery according to the present invention comprises a non-aqueous electrolyte secondary battery body and a restraining jig. The non-aqueous electrolyte secondary battery body has a laminated structure including, laminated in the following order: a positive electrode active material layer containing a positive electrode active material, a conduction assistant, and an electrolyte; a separator; and a negative electrode active material layer containing a negative electrode active material, a conduction assistant, and an electrolyte. A restraining pressure is applied by the restraining jig to the non-aqueous electrolyte secondary battery body in the lamination direction of the laminated structure. The yield stress of the positive electrode active material layer is 2 kPa or greater, the yield stress of the negative electrode active material layer is 2 kPa or greater, and the restraining pressure is 2-48 kPa.