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677
resultados
Última actualización
13/09/2026 [07:11:00]
Resultados 575 a 600 de 677
Resumen de: WO2026182596A1
The present invention relates to a precursor for a positive electrode active material, the precursor including a nickel-based hydroxide containing nickel in an amount of 50 mol% or more on the basis of the total amount of all metals, wherein the precursor has a pore area ratio (PAR) of 5% to 10%, a SPAN value of 0.58 or less as defined by equation 1 below, and a sphericity of 0.8 or greater. Equation 1 SPAN = (D90-D10)/D50
Resumen de: US20260260963A1
0000 A device for cooling or controlling the temperature of a battery pack includes a first flexible multilayer film and a second flexible multilayer film, wherein the device also includes at least one electrical insulation film covering at least one section of the edge of the device. The device has an efficient electrical insulation between the device and the batteries when placed in a battery pack.
Resumen de: US20260261137A1
In one aspect, a computer-implemented method may include receiving, at edge processing devices, measurements from sensors associated with a battery pack. The computer-implemented method may include processing, at the edge processing devices, the measurements using a data profiler to generate data profiles including e voltage values, transforming, at the edge processing devices, the voltage values to generate transformed voltage values, determining, at the edge processing devices using the voltage values and the transformed voltage values, features, and determining, using trained edge computer-implemented models, a lithium plating occurrence prediction of the battery pack. The trained edge computer-implemented models determines the lithium plating occurrence prediction based at least on uncertainties for the features and explanations for the uncertainties. The computer-implemented method may include modifying, using the lithium plating occurrence prediction, operation of the battery pack.
Resumen de: WO2026180387A1
The present invention relates to a repair kit (30) for replacing a submodule of a battery (10). The submodule comprises at least one cell and an electrical interface configured for connecting with a battery management system (24). The repair kit (30) comprises at least one cell and an electrical interface configured for connecting with the battery management system (24). The repair kit (30) is configured to mimic the behavior of the submodule replaced in the battery (10) for the battery management system (24). The invention also relates to a method for replacing a submodule of a battery (10).
Resumen de: WO2026179420A1
Disclosed in the present application are a battery cell and a battery pack. The battery cell comprises a casing having an opening and having an accommodating cavity formed therein, a cell arranged in the accommodating cavity, a top cover assembly connected to the casing and covering the opening, an insulating bracket arranged in the accommodating cavity, and an information acquisition module. The top cover assembly is provided with a liquid injection channel. The insulating bracket comprises a bracket body and a plurality of support legs connected to the bracket body, wherein the bracket body is arranged opposite the end of the liquid injection channel facing the cell, the support legs are all connected to the side of the top cover assembly facing the cell, and there is a gap between every two adjacent support legs. The information acquisition module is connected to the bracket body, and the information acquisition module is in signal connection with the cell. The technical solution of the present application can prevent an electrolyte from directly washing the information acquisition module, reduce the probability of the information acquisition module being corroded, loosened, or even falling off, and improve the accuracy and reliability of monitoring the state of the cell.
Resumen de: US20260259278A1
0000 A method for estimating an SoH of a battery includes discharging a Field Battery; measuring parameters of the Field Battery during discharging, and determining a Field Battery measuring discharge curve; estimating a Healthy Discharge Curve of the Field Battery using a neural network; comparing the estimated Healthy Discharge Curve of the Field Battery with the measuring discharge curve of the Field Battery; when a value of the measuring discharge curve of the Field Battery is smaller than a value of the estimated Healthy Discharge Curve of the Field Battery, determining the time difference between the distinct point of time and a predicted point of time, when the value is estimated to be reached according to the prediction of the neural network; estimating an SoH of the Field Battery based on the difference between the distinct point of time and the predicted point of time.
Resumen de: US20260262329A1
A back-contact solar cell, a battery assembly and a photovoltaic system. In the back-contact solar cell, several grooves arranged at intervals are formed in a back surface of a silicon wafer, so as to divide the back surface of the silicon wafer into several first regions and second regions that are alternately arranged in sequence, in an arrangement direction of the first regions and the second regions, the silicon wafer is provided on the first regions and the edges of the grooves with extension portions that extrude to the upper side of the grooves, and second polarity doping layers are disposed on second tunneling layers in a stacked manner and have a preset distance with the edges of the grooves.
Resumen de: US20260261010A1
0000 A method of manufacturing an electrochemical cell includes providing a cathode, an anode, an electrolyte, and a polymer separator membrane disposed between the electrodes. The polymer separator membrane is first irradiated at a first radiation dose for a first duration to modify the separator. The irradiated membrane is then plasma-treated to generate active surface sites, followed by applying a nano-cage precursor composition including nano-cage molecules and a photo-initiator, wherein the nano-cage molecules include cross-linkable functional groups such as epoxy groups and/or carbon-carbon double bonds. A second irradiation at a second radiation energy density is subsequently performed to cure the precursor layer and form an inside-out cross-linked nano-cage coating on the separator. The resulting coated separator exhibits a shrinkage rate of less than 5% at 150° C. and improves thermal stability, electrolyte wettability, anion stabilization, and capture of electrolyte byproducts.
Resumen de: WO2026180337A1
The present invention relates to a composition in powder form comprising a polymer P1 comprising recurring units derived from vinylidene fluoride and recurring units derived from a monomer M1 selected from the group consisting of hexafluoropropene, tetrafluoroethylene, chlorotrifluoroethylene, vinyl fluoride, pentafluoropropene, tetrafluoropropene, trifluoroethylene, 1,2-difluoroethylene and perfluoroalkyle vinyl ethers, perfluoro(1,3-dioxole), perfluoro(2,2-dimethyl-1,3-dioxole) (PDD), a monomer of formula CF2=CFOCF2CF(CF3)OCF2CF2X wherein X is SO2F, CO2H, CH2OH, CH2OCN or CH2OPO3H; a monomer of formula CF2=CFOCF2CF2SO2F; a monomer of formula F(CF2)nCH2OCF=CF2 wherein n is 1, 2, 3, 4 or 5; a monomer of formula R1CH2OCF=CF2 wherein R1 is hydrogen atom or F(CF2)m and m is 1, 2, 3 or 4; a monomer of formula R2OCF=CH2 wherein R2 is F(CF2)p et p is 1, 2, 3 or 4; perfluorobutylethylene (PFBE); trifluoropropene, hexafluoroisobutylene, perfluorobutylethylene, bromotrifluoroethylene, chlorofluoroethylene, chlorotrifluoropropene and 2-trifluorométhyl-3,3,3-trifluoro-1-propene or mixture thereof; characterized in that the particles of said polymer P1 have a Dv99 size distribution lower than 89 microns and a Dv10 size distribution greater than 1.5 microns and in that said polymer P1 has a melt viscosity lower than 15kP at 230°C and a shear rate of 100 s-1 measured according to ASTM D3835-16.
Resumen de: US20260260979A1
A battery cell according to an embodiment of the present disclosure includes an electrode assembly; a case including at least one opening and including an accommodation portion accommodating the electrode assembly; and a cap assembly coupled to the case, wherein the cap assembly includes a cap plate coupled to the opening; and a cap insulator disposed between the cap plate and the electrode assembly to insulate the cap plate from the electrode assembly, and wherein the cap insulator includes a first insulator formed of a first material, and a second insulator formed of a second material, different from the first material.
Resumen de: US20260261011A1
The present disclosure relates to a rechargeable battery, and a battery pack including the rechargeable battery. The rechargeable battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, and an electrolyte with which the electrode assembly is impregnated. The separator includes a substrate and an adhesive layer located on at least one surface of the substrate. The adhesive layer includes a copolymer of a monomer mixture including an unsaturated monomer having a carboxylic acid group or a salt thereof and an unsaturated monomer having an aromatic group. The copolymer having a glass transition temperature of 90 to 150° C., and the electrolyte includes a non-aqueous organic solvent.
Resumen de: US20260257550A1
0000 A rear differential splits drive power transmitted from a rear propeller shaft between two rear drive shafts. A second motor-generator applies the drive power to the two rear drive shafts via the rear differential. The rear differential includes a rear differential ring gear and a rear differential case. A second inverter and the rear differential ring gear overlap with each other when viewed in an axial direction of the rear drive shafts. The second inverter and the rear differential ring gear do not overlap with each other when viewed in an up-down direction of the vehicle. The second inverter and the rear differential case overlap with each other when viewed in the up-down direction.
Resumen de: WO2026182564A1
The present invention relates to an anodeless lithium secondary battery current collector comprising magnesium metal or an alloy, a manufacturing method therefor, and a lithium secondary battery comprising same, and, specifically, to an anodeless lithium secondary battery current collector, a manufacturing method therefor, and a lithium secondary battery comprising same, the current collector having a controlled microstructure that enables uniform electrodeposition of lithium metal and providing high energy density and excellent lifetime characteristics.
Resumen de: WO2026179669A1
The present application relates to the technical field of batteries, and discloses a battery cell, a battery module, and an electric device. The battery cell comprises an electrode assembly. The electrode assembly comprises a plurality of positive electrode sheets, a plurality of negative electrode sheets, separators, and a blocking film. The positive electrode sheets and the negative electrode sheets are alternately stacked, and each separator is arranged between a positive electrode sheet and a negative electrode sheet adjacent to each other. The blocking film is disposed between the outermost positive electrode sheet and the outermost negative electrode sheet adjacent to each other, and the blocking film is configured to prevent lithium ions from passing through. The projection of the blocking film on the outermost positive electrode sheet is contact with to or spaced apart from a positive electrode tab on the outermost positive electrode sheet. In the battery cell of the present application, by providing the blocking film, the problem of lithium plating readily occurring in the region of the outermost negative electrode sheet below a connection end of the positive electrode tab is mitigated, thereby improving the reliability of the battery cell.
Resumen de: WO2026179705A1
A battery assembly and an electric device. The battery assembly comprises a battery and a circuit board assembly. The battery comprises: a cell, a housing, and a pole. The housing comprises a plurality of side walls, at least one side wall comprises a first sub-side wall and a second sub-side wall connected to each other, in a second direction, the first sub-side wall protrudes towards the outer side of the housing relative to the second sub-side wall, so as to form a height difference h between the first sub-side wall and the second sub-side wall, and the first sub-side wall is provided with a liquid injection hole; the pole is disposed on the first sub-side wall; and at least part of the circuit board assembly is disposed on the side of the second sub-side wall facing away from the cell, and the circuit board assembly is electrically connected to the cell.
Resumen de: US20260260870A1
A method for manufacturing high-performance sulfur-rich selenium sulfide (SeS2+x, where x>0) cathode active material through transformation of commercial selenium sulfide. The method comprises heating SeS2 to 110-185° C. to form a molten phase, adding elemental sulfur (at least 10% by weight) and stirring to achieve uniform crosslinking in the liquid phase, cooling to form a solid composite, and grinding into fine powder. The resulting material exhibits superior electrochemical performance with 1055 mAh/g specific capacity at C/10 rate, 65% capacity retention after 50 cycles, and reduced charge transfer resistance compared to elemental sulfur or conventional SeS2. The invention includes cathode electrode composites with 40-80 wt. % sulfur loading, electrochemical cells, and batteries incorporating the novel cathode material for applications in portable electronics, electric vehicles, and grid-scale energy storage systems.
Resumen de: US20260261017A1
0000 A power storage device includes an electrode assembly with a laminated sheet wound about a winding axis. The electrode assembly includes first and second winding faces disposed spaced apart in an axial direction where the winding axis extends, and a current collector tab group projecting in the axial direction from the first winding face. The power storage device further includes an insulating member disposed covering the first winding face and has a through hole, and a current collector plate disposed on the insulating member and has a through hole. The current collector plate includes a principal face on a side of the current collector plate opposite to where the insulating member is situated. The current collector tab group passes through the through holes. A distal end portion of the current collector tab group in a direction protruding from the first winding face is bent and welded to the principal face.
Resumen de: US20260258523A1
0000 A polymer includes a functional group that is photoswitchable between an open form and a closed form. The polymer may be used to recover a transition metal cation from a solution comprising the transition metal cation.
Resumen de: US20260260884A1
A precursor for a positive electrode active material includes a nickel-based hydroxide containing nickel in an amount of about 60 mol % or more, based on the total metal content, and having a ratio of a (101) crystallite size (unit: nm) to a Ni content (unit: mol %) of about 1.5 nm/mol % to 2.0 nm/mol %, based on the total metal content.
Resumen de: US20260260947A1
0000 A contamination-detection system detects contaminants during lithium-ion or solid-state battery manufacturing using Raman spectroscopy. The contamination-detection system includes a manufacturing line with multiple electrode material processing stations and Raman spectroscopy units positioned at various stations to scan materials and generate spectra. A computing subsystem receives these spectra, compares them with a stored spectral library of reference materials and known contaminants, and identifies potential matches. If a contaminant is detected, the contamination-detection system triggers an alarm or halts production and alerts operators via an integrated notification system. This ensures real-time quality control and prevents defective products.
Resumen de: WO2026179404A1
A solid-state battery and a preparation method therefor, a positive electrode sheet, and an electric device. The solid-state battery comprises a positive electrode layer, the positive electrode layer comprises a positive electrode active material layer, and the positive electrode active material layer comprises a positive electrode active material and a solid electrolyte, which are mixed with each other. The solid electrolyte comprises an oxyhalide solid electrolyte, the oxyhalide solid electrolyte contains an M element, and the M element comprises one or more of Zr, Fe, Al and Cr. The molar ratio of the halogen and oxygen contained in the oxyhalide solid electrolyte is m/b, wherein m is an absolute value of the valence of the M element in the oxyhalide solid electrolyte, and 0
Resumen de: US20260260925A1
A method of manufacturing a battery module is provided and includes providing one or more battery cells, providing a modular base plate configured to receive the one or more battery cells, coupling the one or more battery cells to the modular base plate, compressing the one or more battery cells with the modular base plate one or more times, aging the one or more or more battery cells without removing the one or more battery cells from the modular base plate, and testing the one or more battery cells without removing the one or more battery cells from the modular base plate.
Resumen de: US20260261009A1
An apparatus for manufacturing a separator for a rechargeable battery, a method of manufacturing a separator for a rechargeable battery, and a rechargeable battery are provided. The separator includes a porous substrate and a coating layer formed on at least one surface of the porous substrate. The apparatus includes a drying unit of a coating film for the coating layer, wherein the drying unit includes a drying oven providing a drying space for the coating film for the coating layer, and an injector located in the drying oven and having an injection plate having a plurality of discharge holes which inject hot air toward the coating film for the coating layer.
Resumen de: US20260261022A1
The present disclosure relates to a secondary battery and a method of fabricating the secondary battery. The secondary battery of includes a case, an electrode assembly accommodated within the case, and a first insulating plate located exterior to the electrode assembly, the first insulating plate comprising a core portion and an insulating portion, the insulating portion having a rigidity less than a rigidity of the core portion, the insulating portion comprising an insulating material, the insulating portion surrounding the core portion.
Nº publicación: WO2026179541A1 03/09/2026
Solicitante:
WANBANG DIGITAL ENERGY CO LTD [CN]
JIANGSU WANBANG ENERGY STORAGE TECH CO LTD [CN]
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\u6C5F\u82CF\u4E07\u5E2E\u50A8\u80FD\u79D1\u6280\u6709\u9650\u516C\u53F8
Resumen de: WO2026179541A1
The present utility model relates to the technical field of energy storage, and specifically relates to a fire extinguishing system and an energy storage system. A fire extinguishing system for use in an energy storage system. The energy storage system comprises a plurality of energy storage cabinets. The fire extinguishing system comprises: a liquid storage device; a pump for providing a driving force; and fire extinguishing pipes, wherein the fire extinguishing pipes include a main pipe and branch pipes, the branch pipes being arranged corresponding to the energy storage cabinets; under the action of the pump, liquid in the liquid storage device flows to the main pipe, and then flows to the corresponding energy storage cabinets through the branch pipes; and each of the branch pipes is provided with solenoid valves and manual valves in parallel, there are at least two solenoid valves which are connected in series, and there are at least two manual valves which are connected in series. Further provided in the present utility model is an energy storage system, comprising: energy storage cabinets; and the fire extinguishing system, wherein the branch pipes are correspondingly in communication with the energy storage cabinets. The technical problem of it being impossible to achieve a fire extinguishing effect once a solenoid valve is damaged or fails because only the solenoid valve is used to control the on-off state of a fire extinguishing branch of a fire extinguishing system
BOPI
Sede Electrónica
