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1315
resultados
Última actualización
03/11/2025 [07:10:00]
Resultados 400 a 425 de 1315
Resumen de: WO2025223431A1
The present disclosure provides a negative electrode sheet and a battery. The negative electrode sheet comprises a negative electrode current collector and a negative electrode coating, which is located on the surface of the negative electrode current collector, wherein the negative electrode coating comprises a negative electrode active material, with the negative electrode active material comprising graphite and a silicon-based material. A concave part is provided on the surface of the negative electrode coating, the ratio of the width of the concave part to the particle diameter Dv50 of the silicon-based material is greater than or equal to 2, and the depth of the concave part is greater than or equal to the particle diameter Dv50 of the silicon-based material. The present disclosure can improve both the thermal safety and the low-temperature cycle performance of a battery.
Resumen de: WO2025222859A1
The present application is suitable for the technical field of batteries, and provides a battery device and an electric device. The battery device comprises a case, and a battery cell assembly and a thermal management component which are provided in the case; the thermal management component is used for exchanging heat with the battery cell assembly, and comprises a heat exchange tube, a fluid collection component, and a conductive member; the heat exchange tube is a metal member and a heat exchange flow channel is provided in the heat exchange tube; the fluid collection component has a fluid collection cavity, and is connected to an end portion of the heat exchange tube; the fluid collection cavity is communicated with the heat exchange flow channel; the conductive member is fixed to the fluid collection component, abuts against and is electrically connected to the heat exchange tube, and is further electrically connected to the case. In the battery device provided in embodiments of the present application, the conductive member can reduce a potential difference between the heat exchange tube and the case, and good reliability of the battery device is achieved.
Resumen de: WO2025222693A1
The present application relates to a thermal management component, a battery, and an electric device. The thermal management component comprises: a heat exchange tube provided with a heat exchange flow channel, wherein an end of the heat exchange tube is a port of the heat exchange flow channel; a manifold fitted to the end of the heat exchange tube and communicated with the port, wherein a heat exchange medium can flow into the heat exchange flow channel from the manifold or flow into the manifold from the heat exchange flow channel; and a connecting member connected between the heat exchange tube and the manifold and connected to the side walls or the peripheral walls of the manifold and the heat exchange tube. In the present application, the manifold is fitted to the end of the heat exchange tube, and the manifold is connected to the heat exchange tube by means of the connecting member; thus, the heat exchange tube can be well attached to the manifold by means of the surface of the end, and then the heat exchange tube is connected to the manifold by means of the connecting member, thereby improving the stability of the connection between the heat exchange tube and the manifold.
Resumen de: WO2025222661A1
A battery pack and an electronic device. The battery pack (100) comprises: a case body (10) having an accommodating cavity; a locking-attaching beam (11) detachably connected to the case body (10), the locking-attaching beam (11) dividing the accommodating cavity into a module area (41) and an electrical area (42); a battery module (20) disposed within the module area (41); and a first cover (31) connected to the case body (10) and covering the module area (41), wherein a gap is provided between the locking-attaching beam (11) and the bottom of the accommodating cavity, and a wire harness connected to the battery module (20) passes below the locking-attaching beam (11) and enters the electrical area (42).
Resumen de: WO2025222682A1
A support fixing assembly and a battery module. The support fixing assembly comprises a support (1) and a module upper cover (2). One of the support (1) and the module upper cover (2) is provided with positioning protrusions (11), the other one of the support (1) and the module upper cover (2) is provided with positioning slots (21), and the positioning protrusions (11) are inserted into the positioning slots (21); and one of the support (1) and the module upper cover (2) is provided with snaps (3) at least at two opposite sides, and the support (1) is connected to the module upper cover (2) by means of the snaps (3).
Resumen de: US2025337105A1
Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and the separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The binder includes a (meth)acryl-based binder including one or more of a first structural unit derived from (meth)acrylamide, a second structural unit derived from (meth)acrylic acid or (meth)acrylate, and a third structural unit derived from (meth)acrylamido sulfonic acid or a salt thereof, the cross-linking agent includes an aziridine-based cross-linking agent. The filler includes a filler having a particle diameter D100 of about 0.5 μm or less, and the adhesive binder includes a cross-linked (meth)acryl-based polymer or copolymer.
Resumen de: US2025337047A1
A thermal management system for a traction battery pack includes at least one cell stack having a plurality of battery cells, and a thermal exchange device adjacent the at least one cell stack. The thermal exchange device has at least one coolant passageway that communicates a coolant. A riser is coupled to the thermal exchange device. The riser is configured to fluidly couple the thermal exchange device to a coolant delivery system.
Resumen de: US2025337064A1
A battery cell, a battery, and an electrical apparatus are disclosed in the present application. The battery cell includes a shell and an end cover, where the shell has an opening; the end cover is welded at the opening to form a welding structure, the welding structure includes a plurality of first welding seams, the first welding seams are arranged corresponding to edge portions of the end cover, the plurality of first welding seams are connected to form a closed annular structure to be arranged surrounding the end cover; where two adjacent first welding seams are connected at a corresponding corner of the end cover in a laminated manner.
Resumen de: US2025337104A1
A composite diaphragm and a lithium-ion battery. The composite diaphragm includes a porous substrate and a porous active layer. The porous active layer is arranged on at least one surface of the porous substrate; the porous active layer includes a base coating and a non-binder polymer C embedded in the base coating; the base coating includes inorganic particles A and a binder polymer B; D50 of the non-binder polymer C is greater than a thickness of the base coating; a tortuosity of the composite diaphragm T=√{square root over (σ1/σ2×P)}, where σ1 is an ionic conductivity of an electrolyte, σ2 is an ionic conductivity of the composite diaphragm, and P is a porosity of the composite diaphragm; the tortuosity T of the composite diaphragm is in a range of 1.1 to 1.7.
Resumen de: US2025337045A1
A battery heat exchanger comprises; an upper plate which dissipates heat from a battery; a lower plate having a bonded body portion bonded to the bottom surface of the upper plate and a flow path body portion forming a flow path through which a cooling fluid is guided; an inlet body which guides the cooling fluid to the flow path; an outlet body through which the cooling fluid after passing through the flow path is discharged; and a plurality of columns which protrude from at least one of the upper plate and the lower plate to be located in the flow path and each have the outer circumference spaced apart from the side wall of the flow path body portion, wherein the plurality of columns are formed along the flow path, at least one of the plurality of columns is an elliptical column having an elliptical cross-sectional shape, and the elliptical pillar is lengthily formed in the lengthwise direction of the flow path.
Resumen de: AU2024240568A1
The invention relates to a method for recycling a battery, having the steps of: (a) providing an at least partially discharged battery, (b) comminuting the at least partially discharged battery in a process chamber (11) in order to obtain battery parts, (c) drying the battery parts in a process chamber (11) in order to obtain dried battery parts and a separated gas, and (d) packing the dried battery parts in order to form a package. The invention is characterized in that steps (b) and (c) are carried out in the same process chamber (11). The invention additionally relates to a mobile device for recycling a battery using the method and to a package in which 1 to 30 kg of battery parts are contained and which can be obtained using the method.
Resumen de: US2025337039A1
A battery pack. The battery pack is configured to accommodate a battery module, and the battery module includes a plurality of cells. In the embodiments, thermistors are disposed on cells at a front end, the middle, and a rear end in the plurality of cells respectively, to learn of a temperature range of the entire battery pack and a temperature change rate of the battery pack, so that detection accuracy of a temperature of the battery pack can be ensured while quantities of collection components and collection ports in the battery pack are reduced.
Resumen de: US2025337035A1
The present application provides a system and method for discharging and processing of lithium ion batteries to extract one or more metals. The extracted metals are in a powder form that can be reused at second stage processing facilities. The extracted metal powder can include lithium and at least one of cobalt, nickel, manganese, and carbon.
Resumen de: WO2025224751A1
The present invention relates to a doped cathode material that contains active material made up of a layered transition metal oxides-based structure, for rechargeable metal-ion batteries. The present invention further relates to a method of producing a doped cathode material having novel stoichiometry capable of preparing alkali ion batteries for yielding high voltage operation.
Resumen de: WO2025223374A1
The present application belongs to the technical field of energy storage, and relates to an energy storage battery pack, a battery system, and an electrical device. The energy storage battery pack comprises a module and an interlocking assembly. The interlocking assembly comprises a first connecting member and a second connecting member rotatably connected to the first connecting member. The first connecting member is mounted on the module, and the second connecting member is suitable for being connected to a module of another energy storage battery pack. The alignment and locking of the energy storage battery pack are easier to achieve, so that scratching of the energy storage battery pack can be prevented, thereby ensuring an attractive appearance and preventing an effect on the corrosion resistance of the energy storage battery pack.
Resumen de: WO2025223519A1
Provided in the present application are a connecting plate and an extensible module having same. The connecting plate is used for connecting two adjacent battery modules, and the connecting plate is provided with a first connecting portion and a second connecting portion which are spaced apart from each other, wherein the first connecting portion is connected to one of the two adjacent battery modules, the second connecting portion is connected to the other one of the two adjacent battery modules, and a weight reduction portion is formed between the first connecting portion and the second connecting portion. The connecting plate of the present application is provided with the first connecting portion and the second connecting portion, such that adjacent battery modules form an integral long module; therefore, the connection of the battery modules can be facilitated, and the design freedom of the lengths of the battery modules can also be improved; moreover, the volumes of a plurality of battery modules can be reduced, and the energy density of the extensible module can also be increased.
Resumen de: WO2025223228A1
An electrode sheet, a battery cell, and a battery. The electrode sheet is used for the battery cell, and the electrode sheet comprises a first current collector and a first active material layer. The first current collector is suitable for being connected to a first tab. The first active material layer is stacked on the first current collector. The first active material layer comprises a first region and a second region, the first region being closer to the first tab than the second region. The porosity of the first region is a first porosity A, and the porosity of the second region is a second porosity B, satisfying A>B.
Resumen de: WO2025223286A1
An electrode sheet, an electrode core, a battery, and an electrical device. A first coating portion, a second coating portion, and a third coating portion are sequentially arranged on a surface of the electrode sheet in a first direction. A first parameter of the first coating portion and a first parameter of the third coating portion are both larger than a first parameter of the second coating portion. The thicknesses of the first coating portion, the second coating portion, and the third coating portion are the same, and the first parameter is compaction density or surface density.
Resumen de: WO2025223316A1
A battery casing, a battery, a battery pack, and an electrical device. The battery casing comprises a casing body, a flange edge, and a terminal assembly. The flange edge is arranged on a circumferential edge of the casing body, the terminal assembly is arranged on the casing body, and at least part of the terminal assembly is located on an outer side of a first surface of the casing body. The projection of the terminal assembly towards the first surface at least partially overlaps with the projection of the flange edge towards the first surface, and a clearance portion is arranged on the side of the terminal assembly close to the flange edge of the casing body.
Resumen de: WO2025222617A1
A cold start system and method and an electric vehicle. The cold start system (100) comprises a main energy supply module (110), a conversion module (120), a pulse module (130), and a start-up energy supply module (140). The main energy supply module (110) is configured to provide a first electric signal; the conversion module (120) is electrically connected to the main energy supply module (110) and is configured to convert the first electric signal into a second electric signal, a voltage value of the second electric signal being less than a voltage value of the first electric signal; the pulse module (130) is electrically connected to the conversion module (120) and is configured to convert the second electric signal into a pulse signal; and the start-up energy supply module (140) is electrically connected to the pulse module (130) and is configured to receive the pulse signal to work under the action of the pulse signal. The cold start system (100) can greatly improve the cold starting capability of the start-up energy supply module.
Resumen de: WO2025222813A1
A polyanion sodium-containing positive electrode material, a preparation method therefor, a positive electrode sheet, a battery and an electrical apparatus. The polyanion sodium-containing positive electrode material is NaxRyPmOn, where 3.5≤x≤4.5, 2.5≤y≤3.5, 3.7
Resumen de: WO2025222610A1
The present application relates to a battery box body and a battery system. A first accommodating chamber is defined between a support plate and a side plate assembly in the battery box body. The support plate is provided with a plurality of first through holes, the first through holes and explosion-proof valves of battery cells being arranged on an one-to-one basis. A first surface of the support plate is provided with a first thermal insulation layer, the first thermal insulation layer sealing each first through hole. A bottom plate is arranged to be spaced apart from the support plate, the bottom plate, the support plate and the side plate assembly defining a pressure relief chamber.
Resumen de: WO2025222767A1
Provided in the embodiments of the present disclosure are an insulating film, a battery cell, a battery, and an electric device. The battery cell comprises an electrode assembly, a casing and an insulating film. The electrode assembly comprises a plurality of surfaces, the plurality of surfaces comprising a first surface, which is the surface with the largest area among the plurality of surfaces. The casing forms an accommodating space for accommodating the electrode assembly. The insulating film wraps around the periphery of the electrode assembly and is located between the electrode assembly and the casing, and the insulating film has a first thickness area and a second thickness area, wherein the thickness of the first thickness area is greater than that of the second thickness area, and the first thickness area is located in the area where the first surface of the electrode assembly is located.
Resumen de: WO2025224747A1
The present invention discloses a doped cathode material that contains active material made up of layered transition metal oxides-based structure, for rechargeable metal-ion batteries. The present invention further discloses a method of producing a doped cathode material having novel stoichiometry capable of preparing alkali ion batteries.
Nº publicación: WO2025224748A1 30/10/2025
Solicitante:
GEGADYNE ENERGY LABS PRIVATE LTD [IN]
GEGADYNE ENERGY LABS PRIVATE LIMITED
Resumen de: WO2025224748A1
The present invention pertains to doped cathode material that contains active material made up of layered transition metal oxides-based structure, for rechargeable metal-ion batteries. The present invention further provides a mixed cation doped cathode active material of layered transition metal oxides-based structure suitable for rechargeable metal-ion batteries with higher capacity.
BOPI
Sede Electrónica
