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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 1250 a 1275 de 1601
Resumen de: US20260066411A1
A secondary battery includes an electrode assembly including a first electrode, a separator, and a second electrode stacked sequentially, a first case configured to accommodate a portion of the electrode assembly, a second case configured to accommodate another portion of the electrode assembly, and a central structure between the first case and the second case.
Resumen de: US20260066505A1
A cap assembly including: a cap plate coupled to a case having an open top portion, the cap plate having a first terminal through-hole and a second terminal through-hole; a first terminal and a second terminal located in the first terminal through-hole and the second terminal through-hole, respectively, and electrically connected to an electrode assembly accommodated in the case; and at least one insulating member electrically insulating the cap plate from at least one of the first terminal or the second terminal.
Resumen de: US20260066511A1
A method of manufacturing a battery cell includes an edge sealing process of sealing at least a portion of an edge of a case to form an edge sealed portion blocking an electrode accommodation portion and a gas accommodation portion externally and a finishing sealing process of sealing a boundary portion crossing between the electrode accommodation portion and the gas accommodation portion in a first direction to form an exterior sealed portion, wherein the exterior sealed portion includes a first portion formed in a central region of the boundary portion and a second portion formed in an end region of the boundary portion, and in the finishing sealing process, an extension extending in a second direction toward the electrode accommodation portion is formed in the second portion of the exterior sealed portion.
Resumen de: US20260066506A1
An insulation member includes an insulating material shaped into a volumetric shape, and interior space inside the volumetric shape, wherein the volumetric shape does not cover a protection circuit module on a case of a battery pack, the volumetric shape covering a polarity pin electrically connected to the battery pack and exposed to an outside of the case.
Resumen de: US20260066678A1
A modular power system including a first modular battery core, a second modular battery core, and a controller electrically connected to the first modular battery core and the second modular battery core. The controller is configured to determine a first voltage of the first modular battery core and the second modular battery core and clamp the first modular battery core and the second modular battery core for a discharge operation when the first voltage is within a tolerance level of the second voltage.
Resumen de: US20260068032A1
Disclosed are a printed circuit board, a battery pack, and a method of manufacturing a printed circuit board. The printed circuit board may include a substrate, a large current stage part disposed in a mounting area of the substrate, and a coating layer including phase change materials (PCMs) and covering the large current stage part.
Resumen de: US20260061727A1
Methods of modifying a property of a prefabricated film are provided. The prefabricated film is exposed to a solvent to modify a property of the prefabricated film to provide a modified film. In some embodiments the solvent comprises a plasticizer. In some embodiments, the property comprises ionic conductivity. In some embodiments, the solvent is part of a solution comprising a reactive compound. In some embodiments, the reactive compound comprises an alkali metal salt.
Resumen de: WO2026045497A1
The present invention relates to battery-safety-related fields. Disclosed is a mobile energy storage device battery service life early-warning platform based on battery thermal runaway analysis. The platform comprises: a battery thermal runaway parameter set generation module, which is used for retrieving historical battery thermal runaway logs and generating a battery thermal runaway parameter set; a device battery operation parameter acquisition module, which is used for performing real-time monitoring and acquiring device battery operation parameters; a parameter comparison module, which is used for performing comparison and generating a parameter comparison result; a battery service life early-warning model construction module, which is used for constructing a battery service life early-warning model; an early-warning signal output module, which is used for acquiring battery state parameters and outputting an early-warning signal; and a smart alarm module, which is used for activating an alarm apparatus and connecting to a remote terminal to raise an alarm. The technical problem of the relatively low accuracy of prediction results in existing mobile energy storage device battery service life early-warning is solved, and the technical effects of improving the accuracy and reliability of early warning and providing a strong assurance for the safe operation of mobile energy storage devices are achieved.
Resumen de: WO2026045405A1
The present application discloses an electrochemical apparatus and an electronic device. The electrochemical apparatus comprises a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative electrode active material, and the negative electrode active material comprises a silicon-based material. On the basis of the mass of the negative electrode active material, the mass percentage content of a silicon element in the silicon-based material is Z1%, wherein 0.1
Resumen de: WO2026045409A1
Provided in the embodiments of the present disclosure are a heat exchange assembly, a battery apparatus, an electrical device and an energy storage device. The battery apparatus comprises a box body assembly, a battery cell assembly, and the heat exchange assembly. The box body assembly is internally provided with a first accommodating cavity, the battery cell assembly being arranged in the first accommodating cavity. The heat exchange assembly comprises a heat exchange layer and a first thermal insulation layer, the heat exchange layer being a flexible structure and being configured to be in heat exchange cooperation with the battery cell assembly. The first thermal insulation layer is arranged between the box body assembly and the side of the heat exchange layer facing away from the battery cell assembly. The battery apparatus provided by the embodiments of the present disclosure is beneficial to improving the degree of fit between the heat exchange assembly and the box body assembly and/or the battery cell assembly, thereby improving the heat exchange efficiency and heat exchange effect of the heat exchange assembly. In addition, the provision of the first thermal insulation layer between the box body assembly and the side of the heat exchange layer facing away from the battery cell assembly can thermally insulate the battery cell assembly, thereby solving the problem of low peripheral temperature of the battery cell assembly, and improving the thermal management performan
Resumen de: WO2026044529A1
Disclosed in the present application are a cylindrical battery, a battery pack and an electronic device. The cylindrical battery comprises a casing, a cover, an electrode assembly and a current-collecting disk, wherein the cover and the casing form an accommodating space by means of enclosing; the electrode assembly is arranged in the accommodating space; and in the axial direction of the cylindrical battery, the current-collecting disk is arranged between the electrode assembly and the bottom of the casing and is connected to the electrode assembly, and the current-collecting disk has a welding region. In the axial direction of the cylindrical battery, the bottom of the casing comprises a protrusion that protrudes towards the current-collecting disk, the protrusion being welded to the welding region, and the bottom comprises a first portion, a second portion and a third portion, which are connected to one another, the second portion being arranged around the first portion to form the protrusion, and the third portion being arranged around the second portion. In the axial direction of the cylindrical battery, the projection of the protrusion is located within the projection of the current-collecting disk, and the thickness of the first portion is less than the thickness of the third portion. A welding effect between the bottom and the current-collecting disk can be improved, thereby reducing the disconnection between the bottom and the current-collecting disk, improving the c
Resumen de: WO2026044502A1
A battery device (100a), a bottom protective plate (21), and an electric apparatus. The battery device (100a) comprises a battery cell (10) and a battery case (20) in which an accommodating space is formed. The accommodating space is used for accommodating the battery cell (10). The battery case (20) at least comprises the bottom protective plate (21). The bottom protective plate (21) is at least used for supporting the battery cell (10). The bottom protective plate (21) comprises a plate body (211) and a first polyurea layer (213). The surface of the plate body (211) facing towards the accommodating space is provided with an anti-corrosion layer (212). The first polyurea layer (213) is disposed on the surface of the plate body (211) facing away from the accommodating space. The described structure can improve the reliability of the battery device (100a).
Resumen de: WO2026044500A1
An integrated battery frame (200) and a battery. The integrated battery frame (200) comprises: a metal frame (1), the metal frame (1) comprising a rectangular frame having an accommodating space, and a terminal post mounting hole (15), an explosion-proof valve hole (16), and a liquid injection hole (17) disposed on the rectangular frame; a terminal post (2), the terminal post (2) comprising a substrate (21) arranged in the metal frame, and a first end (22) arranged on a side of the substrate (21) and extending to the exterior of the metal frame via the terminal post mounting hole (15); a mounting assembly (3), the mounting assembly (3) fixing and sealing the terminal post (2) at the terminal post mounting hole (15) of the metal frame; an explosion-proof valve (4); and a sealing assembly (5). Compared with conventional battery cover plate assemblies, the integrated battery frame (200), when applied to an ultra-thin battery, not only improves the structural strength and safety of the battery, but also optimizes space utilization, simplifies the assembly process, and enhances the energy density of the battery.
Resumen de: US20260066460A1
Disclosed are an electrode assembly, a method of preparing the electrode assembly, and a rechargeable lithium battery including the electrode assembly. The electrode assembly includes an electrode current collector, an electrode active material layer on the electrode current collector, and a coating layer located on the electrode active material layer and integrated with the electrode active material layer. The coating layer includes polymer nanofibers. The polymer nanofibers include a fluorine-based polymer and a nitrile-based polymer as a polymer. A dielectric constant of the polymer is greater than or equal to about 0.06 pF/mm3, and the electrical conductivity of the polymer is in a range of about 3.0 μS/mm3 to about 50.0 μS/mm3.
Resumen de: US20260066488A1
An electrode assembly according to embodiments of the present disclosure includes a separator and an electrode wound with the separator therebetween. The electrode includes an electrode current collector including a coated region and an uncoated region, and an active material layer formed on the coated region of the electrode current collector. The uncoated region includes a tab region including protrusions that extend in a direction perpendicular to the winding direction of the electrode and parallel to the coated region. The tab region includes protrusions having different widths.
Resumen de: US20260066474A1
A separator for an electrochemical device includes a porous polymer substrate; and a coating layer disposed on at least one surface of the porous polymer substrate and including inorganic particles. The porous polymer substrate has a porosity of about 50 vol % or more and 65 vol % or less, the porous polymer substrate includes a polymer having a melt index of about 0.0001 g/10 min or more and 0.01 g/10 min or less, and the coating layer has a porosity of about 40 vol % or more and 70 vol % or less.
Resumen de: US20260066458A1
Provided are a polyolefin-based microporous membrane and methods for manufacturing the same, a separator comprising the polyolefin-based microporous membrane, and a secondary battery comprising the separator. The polyolefin-based microporous membrane or the separator comprising the same comprises a polyolefin, and has a gas permeability of about 2.5×10−5 Darcy or more, a shrinkage rate in the transverse direction (TD) at 120° C. of about 10% or less, and a BDV index of about 15 or more as represented by the following Equation 1:BDVindex=((P2+M4)D×d×ε)×100Equation1wherein the variables are defined as follows: P: puncture strength (N/μm) of the polyolefin-based microporous membrane; M: viscosity average molecular weight (×105 g/mol) of polyolefin; D: gas permeability (×10−5 Darcy) of the polyolefin-based microporous membrane; d: average pore size (nm) of the polyolefin-based microporous membrane; and ε: porosity of the polyolefin-based microporous membrane.)
Resumen de: US20260066452A1
A battery pack according to an embodiment of the present disclosure may include: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells and having a venting portion configured to discharge gas generated from the battery cells to the outside; and a protective cover configured to cover at least a portion of the venting portion.
Resumen de: US20260063361A1
A method of the present disclosure of manufacturing a battery includes roller-conveying a stack such that a conveyance direction of the stack that has been subjected to heating to a temperature of 120° C. or more is changed by 45° or more along a direction changing roller, the stack including a base material layer and an electrode active material layer. Further, in the method of the present disclosure, a temperature difference between the stack after the heating and the direction changing roller is 80° C. or less.
Resumen de: US20260063199A1
A heat management system includes: an oil circuit where oil circulates; an LT circuit where cooling water circulates; an LT radiator provided in the LT circuit, and an oil cooler that performs heat exchange between the oil and the cooling water. The oil circuit causes the oil to circulate to a secondary battery and a transaxle that reduces a rotation speed of a motor.
Resumen de: US20260062564A1
There is provided a slurry composition for a negative electrode of a secondary battery suitable for producing a battery such as a lithium ion battery and an electrode, which has high stability and is capable of forming a negative electrode having a low resistance value when formed into an electrode, even when the slurry composition for a negative electrode of a secondary battery uses carbon nanotubes. A slurry composition for a negative electrode of a secondary battery according to the present disclosure includes at least carbon nanotubes, a conductive material, a negative electrode active material, a dispersant, and a binder component. The dispersant includes carboxymethylcellulose having a mass average molecular weight of 300000 or less or a metal salt thereof, and carboxymethylcellulose having a mass average molecular weight of 1000000 to 3000000 or a metal salt thereof.
Resumen de: US20260062563A1
Provided is a graphite dispersion for a battery electrode, which is suitable for production of a battery electrode of a lithium ion battery or the like. The graphite dispersion for a battery electrode of the present disclosure includes at least graphite particles having an average particle size of 5 to 50 μm, a dispersing agent, and water.
Resumen de: US20260066504A1
Provided is a cylindrical battery including: a shaft core; a set of wound electrodes including an electrode stack wound on the shaft core; an exterior member surrounding the set of wound electrodes; a cap disposed at one axial end of the shaft core and electrically connected to one of the positive and negative electrodes; and an insulating member disposed between the exterior member and the cap, the cap having an outer diameter that is larger than the inner diameter of the exterior member and smaller than the outer diameter of the exterior member, the insulating member having an outer diameter larger than the outer diameter of the cap, the insulating member having a protrusion that is located more inside in the radial direction of the set of wound electrodes than the inner surface of the exterior member and protrudes toward the set of wound electrodes.
Resumen de: US20260066426A1
A power storage device includes a first power storage stack including a plurality of power storage cells disposed in a first direction, a second power storage stack including a plurality of power storage cells and facing the first power storage stack in a second direction, an upper wall covering the first power storage stack and the second power storage stack, and a reinforcing member provided on the upper wall. The upper wall includes a top portion located above and between the first power storage stack and the second power storage stack. The reinforcing member is provided on the top portion.
Nº publicación: WO2026045398A1 05/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u5B81\u5FB7\u65F6\u4EE3\u6DA6\u667A\u8F6F\u4EF6\u79D1\u6280\u6709\u9650\u516C\u53F8
Resumen de: WO2026045398A1
Embodiments of the present application provide a wound cell unloading apparatus, a cell manufacturing apparatus, and a battery manufacturing device. The wound cell unloading apparatus comprises a first clamping pin and a second clamping pin. The first clamping pin passes through an inner ring of a wound cell, and a surface of the first clamping pin is configured to be in rolling contact with a surface of the inner ring of the wound cell. The second clamping pin is configured to be in contact with a surface of an outer ring of the wound cell, so as to jointly clamp the wound cell together with the first clamping pin. The first clamping pin and the second clamping pin are configured to move in a first direction to stretch the wound cell. The wound cell unloading apparatus of the present application helps reduce the risk of cell cracking, decreases the spacing between electrode sheet layers, and alleviates the problem of poor corner conformity.
BOPI
Sede Electrónica
