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1398
resultados
Última actualización
16/12/2025 [07:11:00]
Resultados 625 a 650 de 1398
Resumen de: WO2025249059A1
This method for manufacturing an electric power storage module comprises: a step (S101) for bonding a detection line (60) to a surface (15b) of a collector (15); a step (S102) for disposing a seal member (71) on the surface (15b) and the detection line (60); and a step (S103, S104) for bonding the seal member (71) to the surface (15b) and the detection line (60). In the step (S103), the seal member (71) is bonded by heating and melting the seal member (71) in a first region (R1) of the seal member (71) that overlaps the detection line (60) and the periphery of the detection line (60). In the step (S104), the seal member (71) is bonded by heating and melting the seal member (71) in a second region (R2) different from the first region (R1).
Resumen de: WO2025249056A1
Problem To provide a powder that comprises a lithium-ion conductive substance functioning as a protective material for a positive electrode active material, that has excellent withstand voltage characteristics, and that exhibits excellent uniformity of adhesion to positive electrode active material particles. Solution This fluoride powder contains, as the main ingredient, a lithium-containing metal fluoride including lithium (Li), a metal element M, and fluorine (F), and has a BET diameter d of not more than 300 nm as calculated using formula (1). (1): d=6×103/(ρ×S) Here, d represents the BET diameter (nm), ρ represents the true density (g/cm3) of the powder, and S represents the BET specific surface area (m2/g) of the powder.
Resumen de: WO2025246671A1
An energy storage system. The energy storage system comprises an energy storage device; and the energy storage device comprises a first battery case, a second battery case and a connector, wherein the first battery case comprises a first battery pack; the second battery case and the first battery case are arranged in a stacked manner, and the second battery case comprises a second battery pack; and the connector comprises a first connector and a second connector, the first battery case and the second battery case are provided with the first connector, and the first battery case is further provided with the second connector. One end of the first connector of the first battery case is electrically connected to other devices; the other end of the first connector of the first battery case is electrically connected to one of positive and negative electrodes of the first battery pack; the other of the positive and negative electrodes of the first battery pack is electrically connected to one end of the second connector of the first battery case; the other end of the second connector of the first battery case is electrically connected to one end of the first connector of the second battery case; and the other end of the first connector of the second battery case is electrically connected to positive and negative electrodes of the second battery pack.
Resumen de: WO2025246772A1
A lithium battery operating data feature map extraction method, and an apparatus, a medium and a product. The method comprises: acquiring operating data of a lithium battery of an energy storage system; applying a sliding window to select target operating data from among the operating data, so as to obtain a plurality of target data groups; ranking a plurality of pieces of operating data in each target data group according to the sequence of preset index moments, so as to obtain an initial matrix; performing mean-variance normalization processing on each column of the initial matrix, so as to obtain a normalized matrix; calculating a covariance matrix of the normalized matrix; performing singular value decomposition on the covariance matrix, so as to obtain a feature vector matrix; on the basis of the feature vector matrix, calculating a dimension reduction matrix corresponding to each target data group; scaling the dimension reduction matrix to construct a three-dimensional feature map matrix; and converting the three-dimensional feature map matrix into an image, so as to obtain a feature image of the lithium battery. Thus, the comprehensiveness, universality and robustness of feature extraction can be improved.
Resumen de: WO2025246883A1
The present application relates to an electrode sheet and a preparation method therefor, an electrode assembly and a secondary battery. The electrode sheet comprises a current collector, an active material layer and a tab, wherein the current collector has a first surface, and the active material layer is arranged on the first surface; the first surface has a first bare foil region, and the tab is arranged in the first bare foil region; and the electrode sheet comprises a first adhesive layer. The tab has a first portion and a second portion which are connected to each other, the first adhesive layer being bonded between the first portion and the first bare foil region, and the second portion being configured to externally connect to an electronic device. The surface of the first portion facing the first bare foil region has a protruding region, several protruding parts protruding from the protruding region; in the direction of thickness of the tab, the protruding parts protrude relative to the second portion; and the protruding parts are at least partially embedded in the first adhesive layer. The risk of a separator being punctured can be reduced, and there is no need to provide a tab adhesive on the tab or the first bare foil region, thereby improving the energy density of the secondary battery while reducing the cost.
Resumen de: WO2025246456A1
A thermal management system and a vehicle. The thermal management system comprises an integrated thermal management module (1), a motor (21), a battery (31), a heat dissipation device (41), and a waste heat recovery device (51). The integrated thermal management module (1) comprises a multi-way valve (11); the multi-way valve (11) comprises a valve body and a valve core; the valve body is provided with a plurality of communicating ports, the motor (21) is communicated with a first communicating port (111) and a second communicating port (112) by means of a motor circulation loop (2), the battery (31) is communicated with a third communicating port (113) and a fourth communicating port (114) by means of a battery circulation loop (3), the heat dissipation device (41) is communicated with a fifth communicating port (115) and a sixth communicating port (116) by means of a heat dissipation loop (4), and the waste heat recovery device (51) is communicated with a seventh communicating port (117) and an eighth communicating port (118) by means of a waste heat recovery loop (5); the valve core is capable of rotating relative to the valve body, so that the thermal management system at least has a first working mode, a second working mode, a third working mode, and a fourth working mode and then a vehicle can have different driving states in different environments, thereby reducing the influence of environmental factors on parts, prolonging the service life of each part, and optimizing
Resumen de: WO2025246259A1
A preparation method for a lithium battery separator having a low shutdown temperature and high strength, comprising the following steps: mixing raw materials, extruding, casting a cast piece, longitudinal stretching, first transverse stretching, extracting, second transverse stretching, and film forming, to obtain a lithium battery separator. The raw materials of the lithium battery separator comprise the following components in parts by weight: 15-27 parts of ultra-high molecular weight polyethylene, 1-6 parts of pyrolyzed polyethylene wax, 0.4-1.5 parts of a toughening agent, and 70-80 parts of solvent oil. By means of the described technical solution, the problems in the prior art of lithium battery separators having high shutdown temperatures and low strength are solved.
Resumen de: WO2025246662A1
Disclosed in the present application are an end cap assembly, an energy storage apparatus, an energy storage module and an electric device. The end cap assembly comprises an end cap, lower plastic, a first sealing ring and a first terminal post. The end cap comprises a first surface and a second surface, and the end cap is provided with a first through hole. The lower plastic is provided with a first terminal-post through hole. The first terminal post comprises a first flange, a first terminal-post body and a first insulating layer, wherein the first flange comprises a first end face, and the first insulating layer completely covers the first end face. The lower plastic is stacked on the second surface; the first flange presses against the side of the lower plastic facing away from the end cap; the first terminal-post body sequentially runs through the first terminal-post through hole and the first through hole; the first sealing ring is sleeved on the first terminal-post body and sequentially runs through the first terminal-post through hole and the first through hole; and the first sealing ring abuts between the first terminal-post body and the hole wall of the through hole, and the first sealing ring is spaced apart from the hole wall of the first terminal-post through hole.
Resumen de: WO2025249635A1
The present invention relates to a centrifugal pressurizing container, a centrifugal pressurizer comprising same, and an all-solid-state battery manufacturing method using same. More specifically, the centrifugal pressuring container comprises: a container body having an accommodation part formed on the inner surface of a sidewall thereof, the accommodation part having an electrode stack loaded thereon; and a fixing member for fixing the electrode stack, wherein the container body is formed such that pressure is applied to the accommodation part by rotation.
Resumen de: WO2025249633A1
Disclosed is a polymer electrolyte, the polymer electrolyte comprising: a crosslinked polymer comprising repeating units (A) derived from a crosslinkable monomer including an acrylate-based functional group; and an organic solvent containing a compound expressed by chemical formula 1 (chemical formula 1 is as described in the description of the invention).
Resumen de: WO2025249632A1
The present invention relates to a sealed lithium secondary battery and a manufacturing method thereof. More specifically, a sealed lithium secondary battery of the present invention comprises: an electrode assembly including a positive electrode terminal and a negative electrode terminal; a first case for accommodating a first portion of the electrode assembly; a second case for accommodating the remaining second portion of the electrode assembly; and a first weld line formed along a boundary between the first case and the second case. The first portion has a first thickness, the second portion has a second thickness, the thickness of the electrode assembly is substantially equal to the sum of the first thickness and the second thickness, and the upper surface of the first case and the upper surface of the second case are welded and thus form a sealed upper surface, thereby forming a sealed upper surface.
Resumen de: WO2025249630A1
The present invention relates to a method for manufacturing a solid electrolyte membrane, a solid electrolyte membrane manufactured using same, and an all-solid-state battery comprising same, and more specifically, the present invention comprises: forming a slurry by mixing a sulfide-based solid electrolyte, a binder, and a lithium salt; forming a first film by applying the slurry onto a substrate; forming a second film by performing a first drying process on the first film at a first temperature; and forming a third film by performing a second drying process on the second film at a second temperature, wherein the second temperature is higher than the first temperature.
Resumen de: WO2025249627A1
Disclosed is a negative electrode for a secondary battery, the negative electrode comprising: a negative electrode current collector; and an electrodeposition layer disposed on the negative electrode current collector, wherein the electrodeposition layer includes an amorphous carbon matrix and composite particles dispersed in the amorphous carbon matrix and containing crystalline carbon, and the weight ratio of the composite particles to the amorphous carbon matrix is 1:1 to 1:5.
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: WO2025246569A1
The present application provides a secondary battery and an electronic device comprising same. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte. The negative electrode sheet comprises a negative electrode material layer; the negative electrode material layer comprises a silicon-containing active substance; the silicon-containing active substance comprises a silicon element; and on the basis of the total mass of the negative electrode material layer, the mass percentage of the silicon element is A%, wherein 1≤A≤20. The electrolyte comprises: a first component, the first component comprising at least one of a compound of formula I and a compound of formula II; and a second component. On the basis of the total mass of the electrolyte, the mass percentage of the first component is B%, and the mass percentage of the second component is C%, wherein 25≤B≤70, and 0.07≤C/B≤1. The secondary battery in the present application has good cycle stability and low-temperature discharging performance.
Resumen de: WO2025246447A1
A battery cell, a battery, an energy storage device and an electrical device. The battery cell comprises a casing, a first electrode terminal, a first deformable member and a first protective member. The casing has a first wall. The first electrode terminal is arranged on the first wall. The first deformable member is electrically connected to the first wall, and is configured to be deformable to contact the first electrode terminal so as to electrically connect the first electrode terminal to the first wall. In the direction of thickness of the first wall, at least part of the first protective member is arranged on the side of the first deformable member that faces away from the first electrode terminal, and the first protective member is configured to at least partially shield the first deformable member. The battery cell, the battery, the energy storage device and the electrical device can effectively improve the reliability of the battery.
Resumen de: WO2025246471A1
A negative electrode material (100) comprises a silicon-carbon core (10) and a coating layer (20) that coats the silicon-carbon core (10), wherein the silicon-carbon core (10) comprises a porous carbon matrix (11) and an amorphous silicon material (12) arranged in pores of the porous carbon matrix (11), the volume of micropores in the porous carbon matrix (11) accounting for 80-90% of the total pore volume of the porous carbon matrix (11); and the amorphous silicon material (12) is doped with nitrogen, the nitrogen accounting for 0.2-1% of the total mass of the negative electrode material (100). By means of the arrangement of the micropores and the doping of amorphous silicon, the formation and growth of a crystalline phase during a reaction of the negative electrode material (100) with a metal can be effectively inhibited, thereby improving the structural stability and cycling stability of the negative electrode material (100), which is conducive to improving the cycling performance of a negative electrode sheet (200) and prolonging the cycle life of a battery.
Nº publicación: WO2025246250A1 04/12/2025
Solicitante:
ZHEJIANG GEELY HOLDING GROUP CO LTD [CN]
VIRIDI E MOBILITY TECH NINGBO CO LTD [CN]
ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD [CN]
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\u5A01\u777F\u7535\u52A8\u6C7D\u8F66\u6280\u672F\uFF08\u5B81\u6CE2\uFF09\u6709\u9650\u516C\u53F8,
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Resumen de: WO2025246250A1
Provided are an explosion-proof valve and a battery. The explosion-proof valve, which is used for being mounted on a battery, comprises a valve body (100) and a burst groove (200). The thickness of the middle part of the valve body (100) is greater than that of the edge of the valve body (100). The burst groove (200) is arranged on the valve body (100) and close to the edge of the valve body (100).
BOPI
Sede Electrónica
