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1480
resultados
Última actualización
17/01/2026 [07:31:00]
Resultados 200 a 225 de 1480
Resumen de: US20260014604A1
A method for dismantling a lithium battery includes: providing a lithium battery; cutting the lithium battery by means of a jet of cutting liquid under pressure, the cutting liquid including at least one component that is in liquid state, the cutting liquid being devoid of water, separating constituents of the cut battery and the cutting liquid. The component includes a first component in liquid state to cut the lithium battery, for example carbon dioxide. The component can include at least a second component chosen from ethylene glycol, propylene glycol or a mixture of the latter.
Resumen de: US20260014581A1
A coating roller assembly for coating an electrode plate of a battery, where the coating roller assembly includes: coating rollers; and coating portions, disposed around the coating rollers. The coating portions include a first coating portion, a second coating portion, and a third coating portion, where the first coating portion is configured to form a first coating layer portion, the second coating portion is configured to form a second coating layer portion, and the third coating portion is configured to form a third coating layer portion between the first coating layer portion and the second coating layer portion. A coating method for coating an electrode plate of a battery with the foregoing coating roller assembly, an electrode plate obtained through the coating roller assembly or the coating method, and a battery including the electrode plate.
Resumen de: US20260014537A1
Provided is an apparatus for manufacturing lithium sulfide, including a plurality of reaction chambers having a reaction space for producing lithium sulfide by a reaction between a lithium raw material and hydrogen sulfide and provided to move the supplied lithium raw material along one direction, and the lithium raw material is sequentially supplied to the plurality of reaction chambers along the one direction, and the hydrogen sulfide is sequentially supplied to the plurality of reaction chambers along a direction opposite to the one direction from any one of the plurality of reaction chambers other than the reaction chamber into which the lithium raw material is supplied.
Resumen de: US20260018753A1
An electrode wound body includes positive and negative electrodes, and a separator between the positive and negative electrodes. The positive electrode includes a positive foil extension extending from a positive electrode foil. The negative electrode includes a negative foil extension extending from a negative electrode foil. The positive electrode, the negative electrode, and the separator are wound to define a spiral including a through hole with a central axis extending through the through hole. The positive and negative foil extensions extend from opposite ends of the electrode wound body. Portions of the positive foil extension include bends that bend towards the central axis so that the portions of the positive foil extension overlap to define a first surface. Portions of the negative foil extension include bends that bend towards the central axis so that the portions of the negative foil extension overlap to define a second surface.
Resumen de: US20260018718A1
The present invention relates to a secondary battery. The secondary battery comprises: an electrode assembly; a can configured to accommodate the electrode assembly; an electrolyte impregnated into the electrode assembly while being injected into the can; and a cap assembly mounted on an opening of the can, wherein the cap assembly comprises: a top cap in which a top hole is formed to pass vertically; a safety vent which is provided under the top cap and in which a vent hole is formed to pass vertically; and a current interrupt device (CID) filter which is provided under the safety vent, to which a positive electrode tab provided in the electrode assembly is coupled, and in which a CID hole is formed to pass vertically, wherein the CID hole is closed or opened by the positive electrode tab.
Resumen de: US20260018717A1
An electric battery comprises a hollow container having a side wall and a bottom wall defining an inner cavity, an upper portion opposite to the bottom wall along an axial direction, an electrochemical cell inserted into the inner cavity of the hollow container, an insert made of electrically conductive material mechanically and electrically connected to an anode of the electrochemical cell, a lid placed to close the hollow container at the upper portion and comprising a peripheral portion. The insert made of electrically conductive material comprises a connection portion interposed between the upper portion of the hollow container and the peripheral portion of the lid and in electrical contact with at least the upper portion of the hollow container. The peripheral portion of the lid is in electrical contact with at least the upper portion of the hollow container.
Resumen de: US20260018752A1
An electrode wound body includes positive and negative electrodes, and a separator between the positive and negative electrodes. The positive electrode includes a positive foil extension extending from a positive electrode foil. The negative electrode includes a negative foil extension extending from a negative electrode foil. The positive electrode, the negative electrode, and the separator are wound to define a spiral including a through hole with a central axis extending through the through hole. The positive and negative foil extensions extend from opposite ends of the electrode wound body. Portions of the positive foil extension include bends that bend towards the central axis so that the portions of the positive foil extension overlap to define a first surface. Portions of the negative foil extension include bends that bend towards the central axis so that the portions of the negative foil extension overlap to define a second surface.
Resumen de: US20260018604A1
Provided is a cathode active material for a lithium-ion battery that can reduce gas generation in the cathode and exhibits an excellent filling property. Also provided is a method of producing a cathode active material for a lithium-ion battery, the method including preparing a mixture comprising a lithium transition metal composite oxide having a layered structure, containing lithium and nickel in a composition, and containing secondary particles formed by aggregation of a plurality of primary particles, the secondary particles having a volume-average particle diameter greater than 3 μm and less than 5 μm, and a treatment solution containing a sulfate ion and a liquid medium, a concentration of the sulfate ion being in a range of 1 mass % to 9 mass %; and removing the treatment solution from the mixture.
Resumen de: US20260018600A1
A positive electrode sheet, a battery cell, a battery, and an electric device. The positive electrode sheet includes a positive electrode current collector, and a first positive electrode active material layer and a second positive electrode active material layer which are sequentially arranged on the surface of the current collector. The lattice volume shrinkage of a first positive electrode active material is greater than that of a second positive electrode active material, and the mass percentage of a binder in the first positive electrode active material layer is 0.8 wt % to 1.5 wt %.
Resumen de: US20260018621A1
A secondary battery includes an electrode assembly, and the electrode assembly includes a positive electrode plate. The positive electrode plate includes a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material and a positive electrode additive. The positive electrode active material includes a transition metal element, the transition metal element including one or more selected from the group consisting of Co, Ni, Mn, Fe, and V. The positive electrode additive is a nitrile-containing organic compound, a carbon-to-nitrogen atom number ratio of the positive electrode additive is m, where 1≤m≤6; a weight-average molecular weight of the positive electrode additive is Mw, where 300≤Mw≤800000; and based on a mass of the positive electrode active material layer, a mass percentage of the positive electrode additive is x %, where 0.01≤x≤0.50.
Resumen de: US20260018619A1
The present application provides a polymer, a preparation method, a negative electrode plate, a secondary battery, and a power consuming apparatus. The polymer contains a structural unit derived from an unsaturated carboxylic acid monomer, a structural unit derived from an unsaturated cyano monomer, and a structural unit derived from a flexible monomer. The glass transition temperature of the flexible monomer is −60° C. to 0° C., and optionally −55° C. to −15° C.
Resumen de: US20260014400A1
A method for preparation of a fire-extinguishing sheet including a fire-extinguishing agent and binding agent, wherein the fire-extinguishing agent is capable of generating a fire-extinguishing component by thermal decomposition upon reaching a prescribed temperature, the fire-extinguishing agent comprises tripotassium citrate and potassium chlorate, and the binding agent comprises polyvinyl butyral. the method includes the steps of dissolving the binding agent into a solvent to obtain a solution of the binding agent, mixing tripotassium citrate and potassium chlorate in a solvent and milling the mixture to obtain a fire-extinguishing agent slurry, mixing the solution of the binding agent and the fire-extinguishing agent slurry and milling the mixture to obtain a coating material, coating the coating material on a sheet and drying the coating material on the sheet and optionally cutting the sheet.
Resumen de: WO2026015863A1
A method includes selectively redox leaching a. black mass that has lithium battery materials with an acid and a. redox agent. The method may selectively removing titanium, copper and aluminum from a first filtrate formed from the redox leaching. The method may treat a. filtrate formed from removing the copper and the aluminum to form battery grade compounds.
Resumen de: WO2026015860A1
A method for recycling spent or scrap lithium iron phosphate (LFP) or lithium manganese iron phosphate (LMFP) battery materials includes selectively leaching a black mass with an acid and optionally an oxidizing agent to form a. mixture of leachate and a first filter cake, selectively removing titanium, copper and aluminum from the leachate to form a filtrate comprising ferrous ions, oxidizing the filtrate including ferrous ions at a temperature ranging from 20 °C to 100 °C to form a crude iron phosphate and a lithium- rich solution, purifying the crude iron phosphate at a temperature ranging from about 20°C to about 100 °C to form a battery grade iron phosphate, and processing a lithium rich solution to form battery grade lithium carbonate. The black mass includes the spent or scrap LFP or LMFP battery materials.
Resumen de: WO2026015748A1
Systems and methods for charging batteries of electric container handling equipment at container terminals comprising mobile batteries and chargers that can be transported to a location near the container handling equipment. The mobile batteries and chargers are configured for energy storage and capable of being recharged at one or more charging stations. Multiple mobile batteries and chargers can be included in the system and/or methods, and one or more or each mobile battery and charger can be configured to recharge one or more or several pieces of container handling equipment before the mobile battery and charger travels to the charging station to recharge. Included are systems for managing shipping equipment in a container terminal comprising one or more mobile battery and charger configured to deliver at least about 100 kW of power to any equipment configured for loading, unloading, and/or moving shipping containers, such as a shipping container crane.
Resumen de: WO2026015695A1
Disclosed is a cathode active material (CAM) particle at least partially coated with a fluorine-doped lithium phosphorus oxide (LPOF), wherein the fluorine-doped lithium phosphorus oxide has a formula (I), (Li2O)x-(P2O5)y-(AFm)z, wherein A is an alkali metal or alkaline earth metal, m is 1 or 2, x+y+z = 1.0, 0.3 < x< 0.8, 0.2 < y < 0.7, and 0 < z < 0.2. Also disclosed is a cathode layer comprising the coated CAM and an all-solid-state battery comprising the cathode layer. In some embodiments, the battery comprising a cathode with the LPOF-coated CAM exhibits an improved rate performance and cycling performance.
Resumen de: US20260018695A1
The thickness of a heat conductive material can be made uniform. A battery module unit includes: a pair of battery modules disposed in parallel to each other in a state in which the battery modules are opposed to each other; a cooler disposed between the pair of the battery modules in parallel to the battery modules, the cooler being configured to cool the battery modules; a heat conductive material disposed between each of the battery modules and the cooler, each of the heat conductive materials being configured to conduct heat of the corresponding battery module to the cooler; a pair of holding members configured to hold corresponding ends of each of the pair of the battery modules; and spacers disposed between one of the battery modules and the cooler together with the heat conductive material.
Resumen de: US20260018729A1
A vehicle includes: a vehicle body including a floor panel and a frame member; an energy storage device, and a plurality of fastening portions. The frame member includes a first member and a second member. The energy storage device includes a first sidewall, a second sidewall, and a front wall. The fastening portions include a plurality of first fastening portions located at the first sidewall and a plurality of second fastening portions located at the second sidewall. The first fastening portion located furthest to the front is located forward of the second fastening portion located furthest to the front. A protruding portion protruding upward is provided at the front wall of the energy storage device. The protruding portion is disposed so as to overlap a portion of the vehicle body in the vertical direction.
Resumen de: US20260018719A1
A battery and an electronic apparatus are provided. The battery includes an outer casing including an opening and a cover plate closing the opening. A portion of the cover plate adjacent to an edge protrudes toward an inner cavity of the outer casing to form a boss. A side of the boss facing away from the inner cavity of the outer casing includes a groove, and a portion of the cover plate located at a radial outer side of the boss forms a connecting edge. The boss is embedded into the opening, and the connecting edge overlaps an end portion of the outer casing. An inner wall of the groove includes a bottom wall and an outer groove wall surrounding an outer periphery of the bottom wall. A stamped groove is provided at connection between the bottom wall and the outer groove wall.
Resumen de: US20260018705A1
A battery rack includes: a housing; a module unit provided in the housing, including a plurality of battery cells, and having at least one vent hole; and a cooling unit provided to face the vent hole in the housing, and including a cooling line in which a coolant is provided, wherein the cooling line is provided so that at least a portion of an outer periphery thereof is melted by heat generated from the module unit to supply the coolant toward the vent hole.
Resumen de: US20260018703A1
A battery pack includes a box, a battery cell, a thermal management component, a flange, a first connecting pipe, and a second connecting pipe. The box has an accommodating cavity and a mounting hole in communication with the accommodating cavity. The battery cell is located in the accommodating cavity. The thermal management component is located in the accommodating cavity to cool the battery cell. The mounting hole is used to avoid a temperature-regulating fluid entering and exiting the thermal management component. The flange covers the mounting hole. The flange is mounted on the box. The first connecting pipe is respectively connected to the flange and the thermal management component to provide the temperature-regulating fluid. The second connecting pipe is respectively connected to the flange and the thermal management component to discharge the temperature-regulating fluid. The flange spans the first connecting pipe and the second connecting pipe.
Resumen de: US20260018598A1
Disclosed are a negative electrode for a lithium secondary battery, a lithium secondary battery including the same, and a method for manufacturing the lithium secondary battery. A negative electrode active includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, the negative electrode active material layer has a long axis in a first direction, the negative electrode active material layer includes first negative electrode active material layers spaced apart from each other in a second direction that crosses the first direction and a second negative electrode active material layer between respective ones of the first negative electrode active material layers, and a ratio of a specific capacity of the first negative electrode active material layer to a specific capacity of the second negative electrode active material layer is 0.75 to 0.95.
Resumen de: US20260018595A1
Provided is an anode for a lithium secondary battery of the present disclosure, comprising: an anode current collector; a first anode mixture layer formed on at least one surface of the anode current collector and including a first silicon-based active material doped with a first metal and a first conductive material; and a second anode mixture layer formed on the first anode mixture layer and including a second silicon-based active material doped with a second metal and a second conductive material, and the first conductive material has a Raman R value according to the following formula 1 that is greater than that of the second conductive material. Raman R=ID/IG Formula 1 (In formula 1, ID is a Raman peak intensity value in an absorption region of 1330 to 1380 cm−1, and IG is a Raman peak intensity value in an absorption region of 1550 to 1625 cm−1.)
Resumen de: US20260018618A1
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode for the rechargeable lithium battery includes a negative active material layer including a Si-including negative active material, a binder, a linear carbon conductive material, a dispersant, an additive having one or more OH functional groups (multifunctional hydroxyl group) and being capable of adsorbing to a surface of the dispersant.
Nº publicación: US20260018615A1 15/01/2026
Solicitante:
SOLID POWER OPERATING INC [US]
Solid Power Operating, Inc
Resumen de: US20260018615A1
Described herein are compositions for solid-state electrochemical cells that include a first layer and a second layer which meet at an interface. Each layer includes a binder, wherein the binder concentration forms a continuous gradient across the interface. Electrochemical cells including the compositions are also described herein.
BOPI
Sede Electrónica
