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1659
resultados
Última actualización
18/12/2025 [07:24:00]
Resultados 1250 a 1275 de 1659
Resumen de: WO2025249525A1
This nonaqueous secondary battery electrode includes: a current collector; and an electrode active material layer provided on the current collector and having a thickness of 100 µｍ or more. The electrode active material layer contains 80 mass% or more of an electrode active material. In measurements by a surface cutting test (SAICAS) under specific conditions, when an electrode strength at a depth of t μｍ from the surface of the electrode active material layer is P(t) kN/m, P(30) is 0.100 kN/m or more, and the ratio of P(90) to P(30) P(90)/P(30) is 0.60 or more.
Resumen de: WO2025249794A1
The present invention relates to a method for manufacturing a battery pack, the method comprising: a first step of coupling a main case and a first case by inserting the first case in a sliding manner toward a first direction into the main case having at least a portion of both side surfaces open toward the first direction and a second direction opposite to the first direction, wherein a pack case comprises the main case, the first case, and a second case; a second step of coupling a BMS assembly electrically connected to a battery cell assembly to the battery cell assembly; a third step of inserting the battery cell assembly into the main case in a sliding manner toward the first direction such that one surface of the battery cell assembly faces one surface of the first case; and a fourth step of coupling the main case and the second case such that one surface of the battery cell assembly faces one surface of the second case.
Resumen de: WO2025249788A1
A battery pack according to one embodiment of the present invention comprises: a plurality of battery cells; and a pack case having a plurality of frames so as to accommodate the plurality of battery cells in the inner space thereof, wherein the pack case can include: a venting portion for discharging, to the outside, venting gas generated from the battery cells; and a trap portion protruding inward from the venting portion so as to suppress sparks contained in the venting gas from moving to the venting portion.
Resumen de: WO2025249787A1
The present invention relates to a battery module comprising: a plurality of battery cells each having an electrode lead; and a bus bar assembly including a housing provided on at least one side of the plurality of battery cells, and a bus bar provided in the housing and configured such that the electrode lead is coupled to the outer circumference thereof in a wound form.
Resumen de: WO2025249493A1
A negative electrode 10 according to the present disclosure comprises: copper foil 11; and a negative electrode mixture layer 12 that contains a negative electrode active material and is disposed on the copper foil 11. The average crystallite size in a cross section of the copper foil 11 is no greater than 0.55 μm or at least 0.85 μm. The negative electrode active material includes at least one selected from the group consisting of, for example, a carbon material and a material capable of forming an alloy with lithium. A battery according to the present disclosure comprises: a negative electrode 10; a positive electrode; and an electrolyte.
Resumen de: WO2025249517A1
Provided is a non-aqueous electrolyte which contains at least one cyclic carbonate or chain carbonate, contains, as a solvent, 5-90 vol% of a mononitrile compound represented by the formula R-CN (in the formula, R is a C1-C4 alkyl group or a C1-C4 halogenated alkyl group), and contains alkali metal ions other than lithium ions.
Resumen de: WO2025249061A1
Provided is an electric power storage module manufacturing method for manufacturing an electric power storage module provided with: an electrode laminate configured by stacking a plurality of current-collector-including electrodes along a first direction; a sealing body in which a plurality of seal materials respectively provided to the plurality of electrodes are stacked in the first direction, whereby the sealing body is provided so as to surround the electrode laminate; and a plurality of terminals that are joined to the current collectors of each of the plurality of electrodes and are led out to the outside of the sealing body, the terminals extending along a direction intersecting the first direction, wherein the electric power storage module manufacturing method comprises a terminal-joining step for joining the terminals to the current collectors at peripheral edge parts of the current collectors, and an inspection step for applying a tensile load to the terminals joined to the current collector, the tensile load being applied along the extension direction of the terminals.
Resumen de: WO2025249063A1
This method for manufacturing an electric power storage module includes: a step S101 for preparing an electrode by forming a coating layer 80 on a surface 15b of a current collector 15; a step S102 for ultrasonically bonding a detection line 60 to the surface 15b of the current collector 15; and a step S103 for bonding a seal material 41 to the surface 15b via the coating layer 80 after the step S102. In step S101, a part of the coating layer 80 is removed at a peripheral edge 15c of the current collector 15 to form an exposed portion 81, and in step S102, the detection line 60 is ultrasonically bonded to the surface 15b in the exposed portion 81.
Resumen de: WO2025248928A1
This positive electrode active material which is contained in a nonaqueous electrolyte secondary battery has a layered rock salt structure and is represented by a composition formula LixNayWzNiaMnbM11-a-bM2cM3dOe, where M1 is at least one element that is selected from the group consisting of Sn, Ti, Si, V, Cr, Fe, Cu, Zn, Bi, B, Ga, In, P, Hf, Co, and Al, M2 is at least one element that is selected from the group consisting of alkali metals other than Li and Na, alkaline earth metals, and La, M3 is at least one element that is selected from the group consisting of Ta, Nb, Mo, Zr, and Sb, 0.8 ≤ x ≤ 1.15, 0 < y ≤ 0.2, 0 < z ≤ 0.2, 0.8 < x + y ≤ 1.35, 0 < a ≤ 1, 0 ≤ b < 1, 0 ≤ 1 - a - b < 1, 0 < c ≤ 1, 0 ≤ d ≤ 1, and e is a value that satisfies electrical neutrality.
Resumen de: WO2025248900A1
Provided is a battery module which can be easily manufactured and in which there is reduced contact between an ejected substance that has been ejected from an abnormal battery where an abnormality occurred and a normal battery adjacent to the abnormal battery. A battery module BM according to the present disclosure comprises: a plurality of batteries BT that are each provided with an explosion-proof valve EV on the upper surface thereof and are arranged side by side in a first direction; a first heat-insulating plate HI1 that is disposed above the plurality of batteries BT; and second heat-insulating plates HI2 that are disposed between the plurality of batteries. The first heat-insulating plate HI1 is provided with a plurality of openings OP that are respectively provided at positions facing the explosion-proof valves EV and are arranged side by side in the first direction, and slits SL that are provided between the openings OP. The second heat-insulating plates HI2 are provided with body portions BP that face the batteries BT, and protruding portions PP that protrude from the body portions BP toward the first heat-insulating plate HI1. The protruding portions PP are inserted into the slits SL, and the protruding portions PP cover the openings OP.
Resumen de: WO2025246996A1
Disclosed in the present application are a battery pack and an electrical device. In the battery pack, first flow guide cavities are provided inside a first side wall, supports are provided inside an accommodation cavity of a box body, and second flow guide cavities are provided inside the supports; a protruding portion is provided on the first side wall, and a third flow guide cavity is provided inside the protruding portion, the third flow guide cavity being in communication with both the first flow guide cavities and the second flow guide cavities; battery cells are stacked with the supports, first through holes are formed in the support surfaces of the supports, and first explosion-proof valves are provided on the battery cells, the first explosion-proof valves being arranged opposite to the first through holes; second explosion-proof valves are provided on the first side wall.
Resumen de: WO2025246769A1
The present application provides a battery module, a battery pack and a vehicle. The battery module comprises a case and battery cell modules; each battery cell module comprises a heat insulation piece and a plurality of battery cell assemblies, the heat insulation piece is connected to side plates and divides a mounting cavity into a plurality of battery cell mounting areas, each battery cell mounting area is at least communicated with one air inlet through hole, and each battery cell mounting area is internally provided with a battery cell assembly; when thermal runaway occurs in one battery cell module, the heat insulation piece can block heat to avoid spreading to a connected battery cell module; at least one side plate of the case is provided with a cavity, air inlet through holes and exhaust through holes; when thermal runaway occurs in one battery cell module, the temperature and pressure in the corresponding battery cell mounting area rises, the high-temperature gas and flames automatically pass through the air inlet through holes, the cavity and the exhaust through holes, and pressure is released to the outside having low pressure, preventing the high-temperature gas and flames from spreading to a connected battery modules; and the staggered arrangement of the exhaust through holes and the air inlet through holes can expand the heat exchange area between the high-temperature gas and flames and the side plates, and prolong the heat exchange time, thereby preventing th
Resumen de: WO2025246884A1
The present application relates to an electrode assembly and a secondary battery. A first electrode sheet comprises a first current collector and a first active material layer, the first current collector having a first surface facing a second electrode sheet, and the first active material layer being disposed on the first surface. The second electrode sheet comprises a second current collector and a second active material layer, the second current collector having a second surface facing the first active material layer, and the second active material layer being disposed on the second surface. The electrode assembly further comprises a first tab and a first adhesive layer. The first surface has a first bare foil region; the first bare foil region, the first active material layer, and a separator jointly enclose to form a first space; the first tab is partially disposed in the first space, the first adhesive layer is disposed on the surface of the first tab facing the first current collector so as to bond the first bare foil region to the first tab, and the other surface of the first tab is in contact with the separator. The electrode assembly and the secondary battery of the present application can reduce the risk of the separator being pierced, thereby making full use of space, and boosting energy density.
Resumen de: WO2025246965A1
The present disclosure relates to the technical field of coatings, and specifically discloses a coating, a battery, and an electricity-consumption device. A total heat release of the coating in a first temperature range and a second temperature range ranges from 30 J/mg to 60 J/mg. The first temperature range is from 120°C to 220°C. The second temperature range is from 220°C to 270°C.
Resumen de: WO2025246951A1
The present application discloses a battery, a vehicle, and a battery swapping station. The battery comprises a casing, a battery cell, and a protective component. The battery cell is accommodated in the casing. The protective component is arranged on an outer side of the casing. The protective component is at least partially flexible. The protective component is configured to be provided with an accommodating cavity, or the protective component is configured to form an accommodating cavity together with an outer wall of the casing. The protective component is further configured to be deformable by filling the accommodating cavity with a fluid. When the battery needs to be de-iced, a fluid can be introduced into the accommodating cavity. Under the pressure of the fluid, the protective component deforms and compresses the ice layer, so that the ice layer is fractured and falls off the battery, thereby achieving rapid de-icing of the battery and reducing the difficulty of battery maintenance and replacement.
Resumen de: WO2025246982A1
The present application discloses a wiring structure, a battery pack tray, a battery pack and a vehicle. The wiring structure comprises: a longitudinal beam, wherein the longitudinal beam is arranged on a battery pack tray in the front-back direction of a vehicle, a wiring cavity is formed in the longitudinal beam, the wiring cavity is arranged in the length direction of the longitudinal beam and used for laying wires, and two ends of the longitudinal beam in the length direction are used for allowing the wires to enter and exit the wiring cavity. In the present application, a profile having two communicated ends is used as the longitudinal beam, and the wiring cavity is arranged in the longitudinal beam and is used for laying the wires, so that the structural strength is higher, the extrusion resistance and the impact resistance are better, and the safety of a battery pack structure is significantly improved.
Resumen de: WO2025247001A1
A heating system for a battery pack and an electric apparatus. The heating system for the battery pack comprises a battery pack, an electric device, and a wire. The battery pack comprises a first battery cell group and a second battery cell group which are connected in series, the wire has a first end and a second end which are opposite, the first end of the wire is connected to a series-connected point between the first battery cell group and the second battery cell group, and the second end of the wire is connected to a neutral point of the electric device.
Resumen de: WO2025246966A1
A vehicle, comprising a power system, which comprises a battery pack, wherein the battery pack comprises a communication apparatus. A communication system, comprising a communication apparatus. The communication apparatus comprises a sampling device, a first power line carrier communication device, a first power line and a second power line, wherein the first power line is used for connecting to a positive electrode of a cell assembly, and the second power line is used for connecting to a negative electrode of the cell assembly; two ends of the sampling device are used for collecting sampling information corresponding to the cell assembly; and two ends of the first power line carrier communication device are respectively connected to the first power line and the second power line, and the first power line carrier communication device is connected to the sampling device, and is used for transmitting the sampling information corresponding to the cell assembly.
Resumen de: WO2025246779A1
Disclosed are a battery module, which features compact installation and low production cost and also has pressure relief and explosion-proof functions, and a battery box. The battery module comprises a battery fixing module, and two ends of the battery fixing module are each sequentially provided with a temperature-resistant pressure relief module, a one-way valve heat dissipation plate, and an insulation wall. Multiple battery cells are arranged in an array within the battery fixing module. Each temperature-resistant pressure relief module is provided with multiple pressure relief chamber assemblies that are arranged in an array and located at end portions of the battery cells, and an end surface of the temperature-resistant pressure relief module is further provided with multiple crisscrossing pressure relief guide grooves. Each pressure relief chamber assembly comprises a pressure relief hole positioned at the end portion of a battery cell and valve-body stop blocks positioned at upper and lower ends of the pressure relief hole. The one-way valve heat dissipation plate is shape-matched to the temperature-resistant pressure relief module and is attached to end portions of the valve-body stop blocks. The one-way valve heat dissipation plate is provided with multiple one-way valve flaps that are folded along the vertical direction and are arranged in an array, and for each pressure relief hole, a one-way valve flap is adhered at each of the two sides between the two valve-bod
Resumen de: WO2025246711A1
The present application relates to the technical field of batteries, and provides a cover plate assembly, a battery, and an electrical device. The cover plate assembly comprises a cover plate and an electrode terminal. A mounting hole is provided in the center of the cover plate, the cover plate comprising a first insulating member. The electrode terminal comprises a terminal piece and a second insulating member, the second insulating member being arranged on a side of the terminal piece. The terminal piece at least partially passes through the mounting hole and is connected to the cover plate. The second insulating member is in surface contact with the first insulating member. The cover plate assembly provided in examples of the present application can reduce the possibility of mutual interference of different parts of a battery cover plate during assembly, and improve the assembly efficiency and assembly reliability of the battery cover plate.
Resumen de: WO2025246776A1
Disclosed are a battery pack and an electric device. In the battery pack, a first flow guide cavity is provided inside a side wall; a third explosion-proof valve is provided on a case; a first tray is provided inside the case, and a second flow guide cavity is provided inside the first tray; a first battery module is arranged on the first tray, and a first explosion-proof valve is provided at the end of first battery cells facing the first tray; a second tray is provided on the side of the first battery module facing away from the first tray, and a third flow guide cavity is provided inside the second tray; and a second battery module is arranged on the second tray, and a second explosion-proof valve is provided at the end of second battery cells facing the second tray.
Resumen de: WO2025246954A1
The present invention provides a method for recovering lithium from a spent lithium iron phosphate battery, comprising: subjecting the positive electrode black powder of the spent lithium iron phosphate battery to a roasting reaction in a roasting furnace filled with a protective gas, and simultaneously adjusting, on the basis of the mixture in the roasting furnace, the input flow rate of chlorine gas to control the temperature of the roasting reaction, wherein the temperature of the roasting reaction is 50-300 °C; subjecting the product of the roasting reaction to water leaching to obtain a solution of the product; subjecting the solution of the product to suction filtration to obtain a filtrate; and concentrating the filtrate by means of evaporation and then drying the residue to obtain a lithium chloride crystal. In the present invention, one-step roasting is carried out at a low temperature, and the temperature of the roasting reaction is controlled by adjusting the input flow rate of chlorine gas, so that the lithium element in the spent lithium iron phosphate battery can be converted into lithium chloride, which is soluble in water, and a lithium chloride crystal can be further prepared. The method has a simple process, high reaction efficiency, low energy consumption, and a lithium element recovery rate as high as 95%; the method has great industrial application value.
Resumen de: WO2025246481A1
A valve group integration module (100), comprising: a base (1), a first expansion valve (2), and a second expansion valve (3). A first flow channel (11) and a second flow channel (12) are disposed within the base (1), the first expansion valve (2) is disposed within the first flow channel (11), and the second expansion valve (3) is disposed within the second flow channel (12). Also disclosed are a vehicle thermal management system and a vehicle. The described valve group integration module (100) has a high degree of integration and occupies a small amount space.
Resumen de: WO2025246487A1
A battery cell comprises a battery cell cover plate. The battery cell cover plate comprises: a top cover sheet (10), provided with a mounting hole (11) passing through a main body thereof; a pressure relief assembly (20), arranged in the mounting hole (11); and a separating member (30), arranged on the side of the top cover sheet (10) facing a battery cell casing (60) and covering the mounting hole (11) so as to separate the pressure relief assembly (20) from an electrolyte (100) in the battery cell casing (60). By providing the separating member (30), the pressure relief assembly (20) is separated from the electrolyte (100) in the battery cell casing (60). Even if the electrolyte (100) shakes back and forth in the battery cell casing (60), direct impact cannot be caused to the pressure relief assembly (20). Instead, force acts on the separating member (30), thus achieving the effect of well cushioning the impact force of the electrolyte (100), preventing the pressure relief assembly (20) from being opened in advance under the impact of the electrolyte (100), reducing the risk of electrolyte leakage of the battery cell, and ensuring the sealing requirement of the battery cell, thereby prolonging the service life and improving the safety of the battery cell.
Nº publicación: WO2025246867A1 04/12/2025
Solicitante:
SUNWODA MOBILITY ENERGY TECH CO LTD [CN]
\u6B23\u65FA\u8FBE\u52A8\u529B\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: WO2025246867A1
Disclosed in the present application are a battery and a battery pack. The battery comprises a case, a top cover sheet and a pressure relief member, wherein the case is provided with an accommodating cavity for accommodating battery cells; the top cover sheet is connected to the case and covers the accommodating cavity, and the top cover sheet is provided with a through hole extending in the direction of thickness of the top cover sheet; the pressure relief member is connected to the top cover sheet and covers the through hole; the pressure relief member comprises a pressure relief body and a first connecting portion; the pressure relief body is located in the accommodating cavity; the first connecting portion is connected to the pressure relief body and is arranged around the pressure relief body; the first connecting portion extends in the direction of thickness; the end of the first connecting portion away from the pressure relief body is connected to the top cover sheet; in the direction of thickness, at least part of the first connecting portion is located between the pressure relief body and the top cover sheet; and in the direction of thickness, the dimensions of the first connecting portion are H2 mm, and the dimensions of the pressure relief body are H3 mm, where H2 and H3 satisfy: 0.2≤H2/H3≤100. The present application effectively prevents corrosion and cracking of the pressure relief body, thereby prolonging the service life of the pressure relief member.
BOPI
Sede Electrónica
