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1482
resultados
Última actualización
11/09/2025 [07:18:00]
Resultados 450 a 475 de 1482
Resumen de: WO2025183062A1
Provided is a battery module (100) comprising: a stack (101) in which a plurality of battery cells (110) are stacked in the thickness direction; a housing body (200) (housing) that houses the stack (101); and a fixing layer (500) that fixes a surface (251) of the housing body (200) that faces a cell side surface (113) of the battery cell (110) and the cell side surface (113) of the battery cell (110). The fixing layer (500) covers 50% or more of a target surface (stack side surface (103)) corresponding to the cell side surface (113) of the battery cell (110) of the stack (101).
Resumen de: WO2025182992A1
This positive electrode for nonaqueous electrolyte secondary batteries has a positive electrode core body and a positive electrode mixture layer disposed at least on the surface of the positive electrode core body. The positive electrode mixture layer includes at least a positive electrode active material and a positive electrode conductive agent. The positive electrode conductive agent includes porous carbon. The particles of the porous carbon each have a three-dimensional structure having a plurality of through holes. The through holes are empty holes continuously connected from one surface to another surface of each of said particles. The specific surface area of the porous carbon is less than 100 m2/g. The mode diameter in the pore size distribution of the porous carbon is not less than 0.5 nm but less than 100 nm.
Resumen de: WO2025183056A1
A power storage module (10) comprises: at least one power storage device (20); a holder (30) in which the at least one power storage device (20) is accommodated; a plurality of compartments (42) formed by partitioning the holder (40) with partition members (41) in the axial direction of the power storage device (20); and a cooling liquid (50) for immersing the at least one power storage device (20) in the compartments (42). At least one of the partition members (41) is provided at least above the center in the axial direction of the power storage device (20).
Resumen de: WO2025179799A1
A tab flattening device, comprising a driving member and tab flattening structures (200). Each tab flattening structure (200) comprises a mounting body (210), a flattening head (220), and edge restraint members (230). The flatting head (220) is rotatably arranged on the mounting body (210) and protrudes from one side of the mounting body (210). The outer surface of the flattening head (220) forms a flattening surface (221) capable of coming into contact with surfaces (252) of tabs. The edge restraint members (230) are arranged on the periphery of the flattening head (220), and protrude from one side of the mounting body (210) and form restraint surfaces (231) capable of coming into contact with edge end portions (251) of the tabs (25). While flattening the tabs (25), the edge end portions (251) of the tabs (25) can be restrained, so that the flattened tabs (25) are confined within a safe range, thereby reducing the likelihood of burrs of the tabs (25) coming into contact with other parts of a battery (100), and thus improving the reliability of the battery (100).
Resumen de: WO2025179789A1
The present application provides a battery cell, a battery, and an electric device. The battery cell comprises a casing, a valve body, and a movable valve; the casing has an accommodating cavity and a first wall; a first through hole is formed in the first wall, and is communicated with the accommodating cavity and the exterior of the battery cell; the valve body is connected to the first wall; a second through hole is formed in the valve body, and is communicated with the accommodating cavity; the movable valve is movably connected to the valve body, and is configured to be capable of switching between a blocked state and a connected state with respect to the valve body; in the blocked state, the first through hole and the second through hole are closed; and in the connected state, the second through hole is communicated with the exterior of the battery cell through the first through hole. According to the battery cell provided by the present application, control of the humidity in the accommodating cavity during manufacturing of the battery cell is facilitated, and the reliability of the battery cell is improved.
Resumen de: WO2025179962A1
Disclosed in the present application are a battery and an electric apparatus. The battery comprises a battery case, at least two rows of battery packs and a connecting structure, wherein the at least two rows of battery packs are located inside the battery case, each row of battery packs comprises a plurality of battery cells, and the two rows of battery packs are each provided with an output terminal busbar; and the connecting structure is located inside the battery case, the connecting structure is electrically connected to the output terminal busbars of the two rows of battery packs, and at least part of the connecting structure is in contact with the battery case. The connecting structure comprises a connecting body and a heat conduction layer, wherein the connecting body is electrically connected to the output terminal busbars of two adjacent rows of battery packs; the heat conduction layer is arranged on the connecting body, and at least part of the heat conduction layer is in contact with the battery case. The connecting structure connected to the output terminal busbars of the two rows of battery packs is in contact with the battery case, so that the heat of an output terminal busbar with the highest overcurrent temperature can be transferred to the battery case to realize the heat dissipation of the battery packs, thereby improving the reliability of the battery.
Resumen de: WO2025183636A1
The present invention relates to an electrochemical cell comprising: an anode comprising potassium (K), sodium (Na), and carbon (C); a cathode comprising polysulfide; and a catholyte comprising amide. The present invention also relates to an electrochemical cell comprising: an anode comprising K-Na liquid alloy and carbon powder; a cathode comprising K2S8; and a catholyte comprising acetamide and ε-caprolactam. The present invention also relates to a use of an electrochemical cell as disclosed herein for energy storage.
Resumen de: WO2025184462A1
An anode for an energy storage device includes a current collector, a first lithium storage layer overlaying the current collector, and a second lithium storage layer overlaying the first lithium storage layer. The first lithium storage layer includes an alloying lithium storage material and the second lithium storage layer includes a non-alloying metal compound lithium storage material selected from a conversion-type material or an intercalation -type material. A battery cell may include the anode, a cathode, and an electrolyte interposed between the anode and cathode. The electrolyte may optionally include a solid-state electrolyte.
Resumen de: WO2025184331A1
According to one aspect of the invention, a low voltage energy management system for a vehicle is provided. The system includes a low voltage battery; a battery sensor connected to the low voltage battery; a high voltage battery; a controller configured to: in response to a wake-up condition, waking the controller and battery sensor from a sleep state; in response to a recalibration condition, recalibrating the battery sensor; in response to a charging entry condition, charging the low voltage battery with the high voltage battery; and in response to a charging exit condition, stopping the charging of the low voltage battery and putting the controller and battery sensor into the sleep state.
Resumen de: WO2025183001A1
This secondary battery comprises: a positive electrode; a negative electrode; a separator disposed between the positive and negative electrodes; and an non-aqueous electrolyte. The separator comprises a sheet-shaped base material and a spacer that is disposed on the main surface of the base material. The spacer includes a plurality of protrusion groups. Each of the plurality of protrusion groups is a primary structure formed by assembling a plurality of small piece members, and the plurality of small piece members make up a secondary structure as a result of the plurality of protrusion groups being arranged in a predetermined pattern. The plurality of small piece members are arranged apart from each other.
Resumen de: WO2025183010A1
Provided are: a non-aqueous electrolyte comprising (I) a solute, (II) a non-aqueous organic solvent, (III) a compound represented by general formula (1), and (IV) fluoroethylene carbonate, wherein the mass ratio (IV)/(III) of said (IV) to said (III) is at least 1.1; a non-aqueous electrolyte battery comprising said non-aqueous electrolyte; and a method for manufacturing a non-aqueous electrolyte battery, the method comprising a step for injecting said non-aqueous electrolyte. In general formula (1), Rs each independently represent a hydrogen atom or an organic group. Here, at least one R has a fluorine atom.
Resumen de: WO2025183006A1
Disclosed is a nonaqueous electrolyte solution for a nonaqueous electrolyte battery that comprises at least one of a positive electrode that contains a layered rock salt type positive electrode active material having a density of an active material layer of a specific value or more, a positive electrode that contains an olivine type positive electrode active material, a positive electrode that contains a spinel type positive electrode active material, a negative electrode that contains a graphite negative electrode active material, a negative electrode that contains an Si-containing negative electrode active material and graphite, and a negative electrode that contains a titanium-containing oxide negative electrode active material, the electrodes being set forth in the description. The nonaqueous electrolyte solution contains (I) a solute, (II) a nonaqueous organic solvent, and (III) a compound represented by general formula (1) that is set forth in the description. Also disclosed are: a nonaqueous electrolyte battery which comprises at least one of the above-described electrodes, and the above-described nonaqueous electrolyte solution; and a method for producing the nonaqueous electrolyte battery.
Resumen de: WO2025183002A1
This non-aqueous electrolyte secondary battery includes: a winding-type electrode body in which a first electrode and a second electrode are wound with a separator interposed therebetween; and an exterior body that accommodates the electrode body. The first electrode has a core body and a mixture layer formed on the surface of the core body. A core-body-exposed part where the core body is exposed is formed on the surface of the first electrode, and an electrode tab is joined to the core-body-exposed part. In an expanded state along the planar direction of the first electrode, the surface of the electrode tab in a facing region that faces the core body is a flat surface. In the electrode body, at least one of the core body and the electrode tab is bent to form gaps between the core body and both ends, in the winding direction, of the electrode tab in the facing region, and a protective layer including a material softer than the electrode tab is provided in each of the gaps.
Resumen de: WO2025179807A1
The present application relates to a battery module, a battery and an electrical device. The battery module (20) comprises battery cells (21), cooling plates (22), and protective members (24). The battery cells (21) are arranged at intervals in a first direction (X); and each cooling plate (22) is arranged between two adjacent battery cells (21) in the first direction (X), the two adjacent battery cells (21) and at least one side of the periphery of the cooling plate (22) located therebetween can jointly define an accommodating space (23), and the protective member (24) covers at least the at least one side of the cooling plate (22) that defines the accommodating space (23). When thermal runaway occurs to a battery cell (21), the protective member (24) can prevent a gas, particles, etc., generated during thermal runaway of the battery cell (21) from entering the accommodating space (23) and acting on the cooling plate (22), thereby reducing the probability of damage to or even failure of the cooling plate (22), and thus the cooling plate (22) can be effectively protected. In addition, the protective members (24) can also protect the cooling plates (22) during the assembly of the battery module (20), and reduce the probability of impurities such as particles entering the accommodating space (23) and damaging the cooling plates (22), resulting in the damage to or even failure of the cooling plates (22).
Resumen de: WO2025180004A1
Provided are an auxiliary infiltration device (100) for batteries and an infiltration system. The auxiliary infiltration device (100) for batteries comprises a carrier and a pressure regulating mechanism (20), wherein the carrier is internally provided with an accommodating cavity for accommodating a battery (200), the pressure regulating mechanism (20) is connected to the carrier and is in communication with the accommodating cavity, and the pressure regulating mechanism (20) is configured to regulate the pressure in the accommodating cavity to make the battery (200) generate elastic deformation.
Resumen de: WO2025179796A1
A battery (100) and an electrical apparatus. The battery (100) comprises a bare cell (1), a housing (2) and a top cover (3), wherein the housing (2) is formed with an accommodating cavity (2a), the accommodating cavity (2a) penetrates through one side surface of the housing (2) along a first direction to form a mounting port (2b), the bare cell (1) is arranged in the accommodating cavity (2a), a housing wall of the housing (2) is formed with a heated softening area (2c) and a body area (2d), the hardness of the heated softening area (2c) is lower than the hardness of the body area (2d), the bare cell (1) and the heated softening area (2c) are arranged at an interval along the first direction, and the top cover (3) covers the mounting port (2b).
Resumen de: WO2025179991A1
Disclosed in the present application are a handling apparatus and a working method therefor. The handling apparatus is configured to handle nickel sheets, and comprises a translation mechanism, a pick-up mechanism, a sensing device and a removal device, wherein the pick-up mechanism is mounted on the translation mechanism, and the pick-up mechanism can perform translational motion at least in a first direction under the action of a driving force of the translation mechanism; the pick-up mechanism comprises adsorption devices, which are configured to adsorb the nickel sheets, and when the nickel sheets are adsorbed onto the adsorption devices, the first direction corresponds to the direction of the thickness of the nickel sheets; the sensing device is connected to the pick-up mechanism, and the sensing device is configured to measure the total thickness of all the nickel sheets adsorbed by the adsorption devices and provide a feedback signal; and when the feedback signal indicates that at least two nickel sheets are adsorbed by the adsorption devices, with the first nickel sheet being directly connected to the adsorption devices and the remaining nickel sheets being stacked on the side of the first nickel sheet away from the adsorption devices, the removal device is configured to remove the remaining nickel sheets.
Resumen de: WO2025184241A1
Aspects of the present disclosure are related to systems and methods for performing at least one test to simulate at least one environmental condition on at least one battery pack. A controller can execute a test comprising applying a condition to a battery pack comprising (i) a plurality of battery cells and (ii) a coolant; receive, from a sensor, data regarding at least one parameter associated with at least one of the battery pack or the coolant; determine, using the data from the sensor, a classification of the coolant for use with the plurality of battery cells; and provide an output regarding the test based on the classification of the coolant.
Resumen de: WO2025183876A1
The present disclosure provides a method for heating a dual stack fuel cell system of a vehicle. The method may include receiving a heat power request from a first fuel cell stack, receiving a first temperature of the first fuel cell stack and a second temperature of a second fuel cell stack, initiating, responsive to the first temperature and the second temperature indicating that the first fuel cell stack and the second fuel cell stack are frozen, a freeze-start thermal operating mode for the first fuel cell stack, and transferring, during the freeze-start thermal operating mode for the first fuel cell stack, heat from a brake resistor to the first fuel cell stack.
Resumen de: WO2025183526A1
Provided is a battery pack that improves upon conventional heat sink-based cooling methods by directly cooling battery cells while preventing temperature deviations between the battery cells, due to the positions thereof, within the battery pack. The battery pack of the present invention includes: a pack housing including a bottom plate, an outer frame, and a partition frame; and a plurality of battery cell assemblies accommodated in the pack housing, wherein the outer frame and the partition frame are provided with flow paths through which a cooling fluid can flow, and distribution holes and return holes in communication with the flow paths, so that the cooling fluid flows toward the battery cell assemblies to directly cool the battery cells therein.
Resumen de: WO2025183525A1
The present invention relates to a battery module comprising: a cell assembly comprising a plurality of batter cells; a module case accommodating the cell assembly; and a thermally conductive adhesive interposed between the cell assembly and module case, and having a heat transfer-blocking section at least a portion of which undergoes pyrolysis at a reference temperature and incrementally expands.
Resumen de: WO2025183534A1
The secondary battery according to an embodiment of the present invention may comprise: an electrode assembly; a first exterior material which surrounds the electrode assembly to seal the electrode assembly; a second exterior material, at least a portion of which is spaced apart from the first exterior material, the second exterior material surrounding the outer surface of the first exterior material; and an electrode lead electrically connected to the electrode assembly and extending from the inside of the first and second exterior materials to the outside.
Resumen de: WO2025183000A1
Provided are an electrode (12) and a power storage device (11) capable of reducing internal resistance. The electrode includes: an active material (20); particles (19) of an oxide having a garnet-type crystal structure containing Li, La, and Zr; and a first compound (23) and a second compound (24), which are different from each other and are bonded to the surface of the particles. The first compound contains fluorine, phosphorus, and oxygen, and the second compound contains fluorine. The oxide may include a dopant substituted with at least one of lithium ions, lanthanum ions, and zirconium ions. The valence of the dopant differs from the valence of the substituted ion. The power storage device includes the electrode.
Resumen de: WO2025183003A1
The present disclosure provides an electrolyte composition which contains a polymer, an organic solvent, and particles, wherein the polymer has a side group that comprises one or more groups selected from the group consisting of an alkali metallized phenolic group, an alkali metallized carboxylic acid group, an alkali metallized sulfonic acid group, and an alkali metallized sulfonyl imide group.
Nº publicación: WO2025182998A1 04/09/2025
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
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Resumen de: WO2025182998A1
Disclosed is a positive electrode for a nonaqueous electrolyte secondary battery, the positive electrode comprising: a positive electrode core body; and a positive electrode mixture layer that is disposed on at least a surface of the positive electrode core body. The positive electrode mixture layer contains at least a positive electrode active material and a positive electrode conductive agent. The positive electrode conductive agent contains porous carbon and carbon nanotubes. Particles of the porous carbon have a three-dimensional structure that has a plurality of through holes. The through holes are each a pore that continuously leads from a surface of a particle to another surface of the particle. The mode diameter of the pore size distribution of the porous carbon is in the range of 0.5 nm to less than 100 nm.
BOPI
Sede Electrónica
