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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resultados 1050 a 1075 de 1509
Resumen de: WO2026047503A1
Provided are a secondary battery excellent in charge/discharge characteristics and impact resistance and a method for manufacturing the same. The secondary battery includes a positive electrode, a negative electrode, and an exterior body that houses the positive electrode and the negative electrode, wherein: on one side of the exterior body, the positive electrode and the exterior body are connected at at least two locations and the negative electrode and the exterior body are connected at at least two locations; the positive electrode includes a positive electrode active material layer; the positive electrode active material layer contains lithium cobalt oxide; the lithium cobalt oxide has, in a surface layer part, magnesium, titanium, aluminum, and nickel; the surface layer part is a region within 50 nm from the surface of the lithium cobalt oxide; and when STEM-EDX line analysis is performed in the depth direction of the surface layer part, the aluminum has a peak closer to the inside of the lithium cobalt oxide than the magnesium.
Resumen de: WO2026046430A1
The present application provides a positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The ratio of the number of particles having cracks in the positive electrode material to the total number of particles is 1.5% to 11%, and the average length-diameter ratio M/N of the particles in the positive electrode material satisfies: 1≤M/N≤1.6, wherein M is the length of the longest straight edge of a single particle, and N is the length of the straight edge perpendicular to the midpoint of the longest straight edge. In the present application, by controlling the ratio of the number of particles having cracks in the positive electrode material and the length-diameter ratio of the particles, the cycle performance of the positive electrode material can be improved, the gas production performance can be improved, and it can also be ensured that the material has a good capacity.
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: WO2026044462A1
A heat exchange assembly (30), a battery apparatus (100), an electric device, and an energy storage device. The battery apparatus (100) comprises a case assembly (20), a battery cell assembly (10), and a heat exchange assembly (30). The battery cell assembly (10) is arranged in the case assembly (20). The heat exchange assembly (30) is arranged in the case assembly (20). The heat exchange assembly (30) comprises at least two flexible members (31), and the at least two flexible members (31) are stacked. The at least two flexible members (31) form a heat-sealed region (34) and a flow channel region (32) by means of hot pressing. The flow channel region (32) is used for conducting a heat exchange medium so as to perform heat exchange on the battery cell assembly (10). The heat-sealed region (34) comprises a non-heat-sealed region (37), and the at least two flexible members (31) are connected to each other in the heat-sealed region (34).
Resumen de: WO2026044456A1
Disclosed in the present application are a battery cell, a battery device and an electric device. The battery cell comprises a casing, an electrode assembly, and electrode terminals, wherein an accommodating cavity is formed inside the casing, and the casing comprises a first wall, a second wall and a third wall. In a first direction, the first wall and the third wall are arranged opposite each other, the second wall is located between the first wall and the third wall, and the second wall connects the first wall and the third wall. The electrode assembly is arranged in the accommodating cavity. The electrode terminals are arranged on the casing and are electrically connected to the electrode assembly, and the electrode terminals are located on a wall portion of the casing other than the first wall, the second wall and the third wall. The face of the first wall facing the interior of the accommodating cavity is defined as a first face, the face of the second wall facing the interior of the accommodating cavity is defined as a second face, the first face is directly connected to the second face, and the connection region forms a first preset included angle, which is not less than 85° and not greater than 95°. The technical solution provided in the present application can effectively improve the reliability of the battery device.
Resumen de: WO2026044464A1
Embodiments of the present disclosure provide a heat exchange assembly, a battery device, an electric apparatus, and an energy storage apparatus. The battery device comprises a box assembly, a battery cell assembly, and the heat exchange assembly. The box assembly is internally provided with a first accommodating cavity. The battery cell assembly is arranged in the first accommodating cavity. The heat exchange assembly is arranged in the box assembly. The heat exchange assembly comprises at least two flexible members. The at least two flexible members are stacked, at least one medium flow channel is formed between the flexible members, the at least one medium flow channel is used for allowing a heat exchange medium to flow, and the heat exchange medium is used for exchanging heat with the battery cell assembly.
Resumen de: MX2025012739A
A method for producing graphene. The method includes loading an open-cell porous backbone material with particulate graphite, submersing at least part of the graphite-loaded porous backbone material in a solution, and applying a cathodic potential to the graphite-loaded porous backbone material, wherein the cathodic potential suffices to exfoliate graphene.
Resumen de: US20260066311A1
A secondary battery includes a can-type case accommodating an electrode assembly, an electrolyte inlet on a first end of the case, and configured to allow an electrolyte to be injected therethrough, a first thin film cover sealing the electrolyte inlet, and having a through-hole, and a second thin film cover sealing the electrolyte inlet and the through-hole, and located on the first thin film cover.
Resumen de: US20260066354A1
Production of electrodes, electrode assemblies, electrode stacks, and batteries, is disclosed herein comprising merging webs, associated devices, methods, and control such as relating to battery manufacturing. The batteries can comprise electrochemical active material. The webs can comprise weakened tear features for delineation components of the electrodes, electrode assemblies, electrode stack, and for the batteries.
Resumen de: US20260066307A1
An anode for a secondary battery includes an anode current collector, an anode mixture layer disposed on at least one surface of the anode current collector and including an anode active material and an anode binder, and at least one gap that is open on a surface of the anode mixture layer and extends toward the anode current collector. An angle (θ) between the gap and a surface of the anode current collector is 70° to 110°. A method of manufacturing an anode for a secondary battery includes coating by applying an anode slurry containing an anode active material, a binder, and a magnetic material to at least one surface of an anode current collector, recovering the magnetic material contained in the anode slurry using a magnet spaced apart on the anode slurry, and drying the anode slurry and manufacturing an anode mixture layer.
Resumen de: US20260066310A1
An anode, an all-solid-state battery including the anode, and a method of preparing the all-solid-state battery. The anode includes a three-dimensional (3D) porous current collector including a plurality of voids having a depth H and a radius R, the voids spaced apart from one another by interval P, and an insulator layer disposed on the interval between the plurality of voids; and an interlayer disposed on the 3D porous current collector. The plurality of voids provide provide space for lithium during charge, and provide lithium during discharge, where such voids are absent of lithium before charging or after complete discharge. The plurality of voids satisfy Expression 1:P≤H≤50P.Expression1
Resumen de: US20260066302A1
A cathode for a secondary battery according to embodiments of the present disclosure includes a cathode current collector and a cathode active material layer, and the cathode active material layer includes a cathode active material and a binder. The cathode active material includes first particles including lithium iron phosphate. The binder includes a first fluorine-based polymer and a second fluorine-based polymer having a hydrophilic functional group bound to the first fluorine-based polymer.
Resumen de: US20260066350A1
Electrolytes and electrolyte additives for use in energy storage devices, comprising cyclic carbonate compounds.
Resumen de: US20260066482A1
A conductive module includes a bus bar that is physically and electrically connected to an electrode terminal of a battery cell, a flexible printed circuit that is molded in a rectangular shape extending in an arrangement direction of the plurality of battery cells, and electrically connects between a battery monitoring unit and the bus bar, and an electric wire for each of the bus bars that has flexibility and electrically connects the bus bar to the flexible printed circuit. The flexible printed circuit includes a circuit conductor for each of the bus bars that electrically connects the bus bar to the battery monitoring unit, and a pad portion for each of the bus bars that is provided adjacent to the bus bar and is electrically connected to the circuit conductor for the bus bar.
Resumen de: US20260066467A1
An all solid battery includes a multilayer body having a substantially rectangular parallelepiped shape, in which a first electrode layer including a first electrode and a first margin portion and a second electrode layer including a second electrode different from the first electrode and a second margin portion are stacked in multiple layers with a solid electrolyte layer sandwiched therebetween. Among four side faces other than an upper face and a lower face at ends of the multilayer body in a stacking direction, the first margin portion is arranged so as to be exposed to first two side faces facing each other, the first electrode is extended to second two side faces other than the first two side faces, the second margin portion is arranged so as to be exposed to the second two side faces, and the second electrode is extended to the first two side faces.
Resumen de: US20260066477A1
A wiring module is to be coupled to a battery stack member including power storage elements that have electrode terminals and are stacked. The wiring module includes an electric wire and a protector including an electric wire housing portion that has a groove shape extending in a first direction and in which the electric wire is arranged. The electric wire housing portion includes a bottom wall, a pair of side walls that extend upward from two side edges of the bottom wall and that are opposite each other in a second direction that is perpendicular to the first direction, and at least one stopper piece that extends from one of the pair of side walls toward other one of the pair of side walls and with which the electric wire is less likely to be out of the electric wire housing portion.
Resumen de: US20260066466A1
A battery including a self-supporting laminate structure is provided. The laminate structure includes a solid electrolyte sheet containing a solid electrolyte, a first active material layer containing a first active material on one major surface of the solid electrolyte sheet, and a second active material layer containing a second active material on the other major surface of the solid electrolyte sheet. The solid electrolyte sheet preferably has a first extending portion extending outwardly from the periphery of the first active material layer or, a second extending portion extending outwardly from the periphery of the second active material layer.
Resumen de: US20260066410A1
A method for fabricating an electricity storage device includes: preparing a square case including a rectangular opening; preparing a sealing plate to be attached to the opening along an edge of the opening; preparing assembly of attaching the sealing plate to the opening of the case; and performing main welding of laser welding the case and the sealing plate over an entire circumference of a periphery of the sealing plate. In the main welding, laser welding over the entire circumference of the sealing plate is performed in at least four steps.
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.
Resumen de: WO2026045360A1
Provided in the present disclosure is a secondary battery comprising a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer disposed on at least one surface of the negative electrode current collector. The negative electrode film layer is provided with a first surface away from the negative electrode current collector and a second surface arranged opposite to the first surface, the thickness of the negative electrode film layer is marked as H. A region with in a thickness range from the first surface to 0.3 H of the negative electrode film layer is marked as the first region of the negative electrode film layer, and a region within a thickness range from the second surface to 0.3 H of the negative electrode film layer is marked as the second region of the negative electrode film layer. The first region comprises a first negative electrode active material, and the second region comprises a second negative electrode active material. The first negative electrode active material comprises primary particles of first artificial graphite, the first negative electrode active material has a powder OI value of 3-6, a graphitization degree of 91-93.5%. The second negative electrode active material has a capacity per gram greater than that of the first negative electrode active material.
Resumen de: WO2026045396A1
A clamping device, which is used for clamping an encapsulated electrode assembly (101). The encapsulated electrode assembly comprises an electrode assembly (30) and an encapsulating film (40). The encapsulating film comprises an accommodating portion (41) for accommodating the electrode assembly and an edge sealing portion (42) surrounding the outer periphery of the accommodating portion. The clamping device comprises: a clamping member (102) for clamping the encapsulated electrode assembly, the clamping member comprising an annular clamping area (102a), and the clamping member being configured to clamp the edge sealing portion in the clamping area; and an adjustment member (103) for adjusting a clamping force applied by the clamping member to clamping the edge sealing portion. The clamping device can alleviate the problem of deformation of the electrode assembly during isostatic pressing. Also provided are a battery production apparatus comprising the clamping device and an electrode assembly shaping method using the clamping device.
Resumen de: US20260063730A1
A method for monitoring a status of an energy storage system connected to a power converter is disclosed. The energy storage system comprises a plurality of interconnected energy storage cells, and the power converter is configured to output power from the energy storage system to a power transmission system and to charge the energy storage system with power from the power transmission system. The method comprises generating, by the power converter, an electrical signal injected into the energy storage system, measuring a response signal generated in response to the injected electrical signal, and determining a status of the energy storage system based on the received response signal.
Nº publicación: US20260063728A1 05/03/2026
Solicitante:
ZITARA TECH INC [US]
Zitara Technologies, Inc
Resumen de: US20260063728A1
A method can include receiving battery sensor measurements, determining a state of the battery (e.g., SoH, SoC, SoE, SoP, etc. or information correlated therewith such as internal resistance, open circuit voltage, etc.), estimating an aging profile or degradation of the battery for one or more operating conditions, and determining operating conditions for the battery based on the estimated degradation.
BOPI
Sede Electrónica
