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847
resultados
Última actualización
15/07/2026 [08:03:00]
Resultados 500 a 525 de 847
Resumen de: US20260196469A1
0000 A battery cell, a battery, an electric apparatus, a cathode electrode sheet, and a method for manufacturing the cathode electrode sheet are provided. The battery cell includes a cathode electrode sheet and an anode electrode sheet stacked along a first direction. The cathode electrode sheet includes a cathode current collector and a cathode active material layer disposed thereon, the cathode active material layer including a first thinned region located on a side facing a cathode tab. The anode electrode sheet includes an anode current collector and an anode active material layer disposed thereon, the anode active material layer including a second thinned region located on a side provided with an anode tab. The second thinned region at least partially overlaps the first thinned region. The first thinned region reduces lithium deintercalation, thereby alleviating lithium precipitation and improving battery performance.
Resumen de: WO2026145745A1
The embodiments of present application relate to the technical field of batteries. Specifically disclosed in the embodiments of the present application are a battery cell and a battery pack. The battery cell comprises: a housing, provided with an accommodating cavity; an electrode assembly, provided in the accommodating cavity; a top cover, connected to one side of the housing in a first direction and covering and sealing the accommodating cavity, wherein the top cover is provided with a liquid injection hole; and an insulating member, the insulating member comprising an insulating main body, a plurality of flow guiding portions and a plurality of first flow blocking portions, wherein the insulating main body is provided with a through hole, the through hole is communicated with the liquid injection hole, the plurality of flow guiding portions are arranged around the periphery of the through hole so as to form a flow guiding channel having an opening, the flow guiding channel is communicated with the through hole, the opening communicates the flow guiding channel with the accommodating cavity, and the first flow blocking portions block part of the opening. The present application avoids short circuit of the battery cell caused by tabs of the electrode assembly extending into the through hole and being in contact with the top cover, thus reducing the risk of short circuit between the electrode assembly and the top cover, and ensuring the safety performance of the battery cell.
Resumen de: WO2026145373A1
The present application relates to the field of lithium-ion batteries, and discloses a breathable membrane-type electrolyte leakage indicator for a lithium-ion battery. The leakage indicator comprises a leakage indicator body and a breathable membrane, and a liquid storage cavity is formed in the leakage indicator body; a vent opening is formed in the leakage indicator body, and the liquid storage cavity is communicated with the outside of the leakage indicator body via the vent opening; the breathable membrane is mounted in the vent opening; the breathable membrane is of a layered structure and comprises a high-strength supporting layer and an organic gas diffusion layer; the organic gas diffusion layer permeates into the high-strength supporting layer to form a permeation composite layer, and the thickness of the permeation composite layer accounts for 0%-100% of the thickness of the high-strength supporting layer. The present application features a simple and reliable structure, an electrolyte can be used as a calibration standard, and a flow stabilization effect is achieved by means of the breathable membrane, enabling electrolyte gas to vent at a stable rate, thereby improving the accuracy and reliability of calibration, standardization, and spot inspection of existing liquid leakage detection devices.
Resumen de: US20260196607A1
Various embodiments disclosed relate to a structural feature in a thermal barrier. The present disclosure includes a. battery module having a stack of battery cells located within a module housing and a thermal barrier comprising an aerogel between at least two cells in the stack of battery cells. The thermal barrier can include an isolation layer having a major plane. The structural feature can be distributed in the isolation layer. The structural feature can include a plurality of elements, each of the plurality of elements extending at least partially through the major plane.
Resumen de: US20260194599A1
The battery pack diagnosis method includes a step of obtaining detection data including a current and a temperature of a battery pack, a step of obtaining function data of an open circuit voltage and a resistance which are functions of a charging state of each of the cells, a step of creating a resistance table of each of the cells using the function data and the detection data, a step of calculating the charging state of each of the cells using the current, the temperature, and the voltage of each of the cells, a step of calculating a charge capacity of each of the cells, the resistance, and a charging state per cell, and a step of calculating an energy capacity of the battery pack using the charge capacity, the charging state per cell, and the resistance.
Resumen de: US20260196521A1
A zinc battery having a positive electrode, a negative electrode, and an electrolytic solution, in which the negative electrode has a negative electrode current collector and a negative electrode material supported by the negative electrode current collector, the negative electrode material contains a negative electrode active material and a water-soluble polymer, and the electrolytic solution contains a Lewis acid.
Resumen de: US20260196836A1
A system includes a plurality of energy storage nodes and a control system. The energy storage nodes include a battery storage element, a power conversion subsystem, and a control subsystem to receive battery data. The control subsystem or the control system is configured to determine at least one battery condition about one or more of the energy storage nodes from the battery data. The control system is configured to create one or more limits, restrictions, or preferences on operation of the one or more energy storage nodes based on: (1) the at least one battery condition; and (2) a required power flow or an overall operating intent. The control system is configured to dispatch the required power flow or the overall operating intent across the plurality of energy storage nodes based on the one or more limits, restrictions, or preferences on operation.
Resumen de: US20260194583A1
0000 A battery pack management apparatus includes a communication unit configured to receive voltages of any one battery cell group of a plurality of battery cell groups from each of a plurality of sensors configured to measure voltages of the any one battery cell group and a controller configured to calculate a median of voltages of each of the plurality of battery cell groups, calculate a voltage deviation of a plurality of battery cells of the plurality of battery cell groups with respect to a median of the voltages of each of the plurality of battery cell groups and diagnose whether any one battery cell of the plurality of battery cells is abnormal by comparing the voltage deviation of each of the plurality of battery cells with a threshold value.
Resumen de: US20260196505A1
0000 An anode for a lithium secondary battery according to exemplary embodiments may include an anode current collector, and an anode active material layer formed on the anode current collector and including an anode active material. The anode active material layer may have a preferred orientation (P/O) factor, as determined by the March-Dollase approach, of less than 0.67. Therefore, the lithium secondary battery may have high stability and cycle characteristics, and may provide high energy density and high output characteristics.
Resumen de: US20260196499A1
The present invention relates to a negative electrode active material, a negative electrode comprising same, a secondary battery comprising, and a method for producing a negative electrode active material.
Resumen de: US20260196675A1
A battery includes a battery module, a box, and an output electrode base. An output electrode is electrically connected to the battery module. The box includes a first beam, where an avoidance groove is formed on the first beam. The output electrode base includes a main body portion and a fastening portion that are connected to each other, where at least a part of the main body portion is accommodated in the avoidance groove, one end of the output electrode is fastened to the main body portion, and the fastening portion is disposed on a side that is of the first beam and that faces away from the battery module and is connected to the first beam. The output electrode base can be assembled by being staggered from a top of the first beam through the fastening portion of the output electrode base.
Resumen de: US20260196473A1
A secondary battery includes: a power generation element having a positive electrode having a positive electrode active material layer containing a positive electrode active material capable of storing and releasing lithium ions disposed on a surface of a positive electrode current collector, a negative electrode having a negative electrode current collector and lithium metal deposited on the negative electrode current collector during charging, a solid electrolyte layer intervening between the positive electrode and the negative electrode and containing a solid electrolyte, and a negative electrode intermediate layer intervening between the negative electrode current collector and the solid electrolyte layer and containing metal particles made of at least one metal material. A molar percentage of oxygen present on the surface of the metal particles, as determined by X-ray photoelectron spectroscopy, is more than 2 mol % and less than 88 mol % with respect to 100 mol % of total atoms.
Resumen de: AU2025204369A1
The invention relates to the technical field of battery management and discloses an active equalization architecture for a multi-branch parallel battery system and a control method to solve the problem of capacity deviations in the prior art. The active equalization architecture includes a battery system, a bidirectional DC/DC module and a vehicle-mounted low-voltage battery module. The battery system includes a plurality of first-stage architectures connected in parallel, a plurality of second-stage architectures connected in parallel and in one-to-one correspondence with the first-stage architectures, and a third-stage architecture. The first-stage architectures are battery packs, the second-stage architectures are battery distribution units (BDUs), and the third-stage architecture is a high-voltage box electrically connected to each of the BDUs. The bidirectional DC/DC module is electrically connected to the high-voltage box. The vehicle-mounted low-voltage battery module is electrically connected to the bidirectional DC/DC module. The invention realizes charge of low-SOC branch battery packs of the battery system and discharge of high-SOC branch battery packs, such that active equalization of the capacities of the branch battery packs is realized, and recharge of low-voltage batteries is also realized. The invention relates to the technical field of battery management and discloses an active equalization architecture for a multi-branch parallel battery system and a contro
Resumen de: US20260196666A1
0000 An electrode-integrated separator for lithium secondary battery, a method for manufacturing the same, and a lithium secondary battery including the same are disclosed. The electrode-integrated separator for a lithium secondary battery includes a porous layer stacked on an electrode substrate. The porous layer includes a polymer binder and inorganic fine particles dispersed within the polymer binder. The inorganic fine particles include two or more types of inorganic fine particles having different green densities measured under the same pressure conditions.
Resumen de: WO2026144466A1
The present invention relates to an electrode sheet preparation apparatus and an electrode sheet preparation method. The electrode sheet preparation apparatus comprises: a first unwinding mechanism, which is configured to unwind and output a first material strip, wherein the first material strip comprises a current collector and a positive electrode coating layer, the current collector is provided with a plurality of coating regions spaced apart from each other and a non-coating region surrounding the plurality of coating regions, and the positive electrode coating layer is located in the coating regions; a cutting mechanism, which is configured to cut a second material strip, such that a plurality of first regions spaced apart from each other and a continuous second region are formed on an insulating layer of the second material strip, wherein the first regions correspond to the coating regions on a one-to-one basis, and the second region corresponds to the non-coating region; and a laminating mechanism, which is configured to laminate the second region of the insulating layer onto the non-coating region of the first material strip to form a positive electrode material strip having a plurality of positive electrode sheet regions, wherein each positive electrode sheet region comprises at least part of one coating region and at least part of the non-coating region surrounding the coating region.
Resumen de: US20260196662A1
0000 A battery includes a pack case and an upper case. The pack case accommodates a cell assembly. The upper case is coupled to the pack case to cover an upper part of the cell assembly seated inside the pack case and includes a protruding part at a lower end that presses against the upper part of the cell assembly seated in the pack case.
Resumen de: US20260196479A1
0000 A particulate composition comprises a mixture of a plurality of particles, wherein the mixture comprises a first particle group comprising a first portion of the particles, wherein the particles of the first particle group comprise one or more first electrode active materials and have a first median particle size, and a second particle group comprising a second portion of the particles, wherein the particles of the second particle group comprise one or more second electrode active materials and have a second median particle size, wherein a ratio of the first median particle size to the second median particle size is at least 2.75.
Resumen de: US20260196552A1
0000 A method for connecting an arrester to an inside of a pole cap of an electrochemical cell, wherein a pulling mandrel is pushed through an opening of the pole cap and/or through an opening or recess of the arrester, the pulling mandrel configured to form a mechanical connection between the pulling mandrel and the arrester at least temporarily at a section or being mechanically connected to the arrester, wherein a force directed out of the opening of the pole cap is set on the pulling mandrel and the arrester is pressed against the inner side of the pole cap, wherein the arrester pressed against the inner side of the pole cap is connected to the pole cap, in particular in an electrically conductive manner.
Resumen de: US20260196468A1
Disclosed herein is an electrode comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a polymeric binder comprising a first polymer which is a polymer comprising an acid functional group or a salt of such acid functional group; a polyamide; or an acrylate polymer, and a second polymer.
Resumen de: US20260196610A1
0000 A molding apparatus according for molding a pouch film is provided. The molding apparatus may include a die in which a first opening is defined; a stripper disposed above the die to fix the pouch film and having a second opening; a sub die, having a height that is variable with respect to the die, inside the first opening; a punch to press the pouch film through the second opening and disposed to face the sub die; and a sub punch to press the pouch film between an inner circumference of the first opening and an outer circumference of the sub die through a space between an inner circumference of the second opening and an outer circumference of the punch.
Resumen de: US20260196565A1
A secondary battery, including a negative electrode plate and an electrolyte, where the negative electrode plate includes a negative electrode active material layer. The negative electrode active material layer includes graphite and a silicon-carbon material, and an average sphericity of the silicon-carbon material is 0.81 to 0.95. The electrolyte includes ethylene carbonate, propylene carbonate, ethyl propionate and propyl propionate, where based on a mass of the electrolyte, a mass percentage of the ethylene carbonate is a %, a mass percentage of the propylene carbonate is b %, a mass percentage of the ethyl propionate is c %, a mass percentage of the propyl propionate is d %, and (a+b)/(c+d) is in a range of 0.23 to 1.51.
Resumen de: WO2026143908A1
The present invention relates to an all-solid-state battery cell having a three-dimensional interpenetrating lithium-ion conduction network, a preparation method therefor and a use thereof. In the present invention, positive electrode powders A, B and C having different particle sizes and compositions are sequentially, uniformly and electrostatically sprayed onto a mold; then a sulfide electrolyte layer is formed on a composite positive electrode layer by means of spraying; composite negative electrode powders D and E that are uniformly mixed and have different particle sizes and compositions are sequentially, uniformly and electrostatically sprayed onto the surface of the electrolyte layer; finally, the powders are integrally compacted by means of warm isostatic pressing so as to obtain an all-solid-state battery cell, and the all-solid-state battery cell is assembled into a solid-state battery. The present invention provides a new battery structure design, and by introducing a low-viscosity thermoplasticizer and an electrostatic dry spraying technique to construct the three-dimensional interpenetrating lithium-ion conduction network, significantly enhances lithium ion migration efficiency, and also enhances the stability of an interface between an electrode and a solid-state electrolyte, so as to reduce the interface impedance of a sulfide solid-state battery, thereby achieving better capacity retention, longer cycle life, and better safety performance.
Resumen de: US20260193094A1
A transition metal hydroxide may be capable of use in a positive electrode active material having excellent capacity characteristics. The transition metal hydroxide includes polycrystalline particles composed of spherical secondary particles in which needle-shaped primary particles are aggregated, wherein the specific surface area measured by a nitrogen adsorption BET method is 23 m2/g to 43 m2/g, and the particle size distribution curve diffusion index of less than 0.7.
Resumen de: US20260196638A1
0000 A battery pack includes a housing having a cell holder with a mounting element, at least one battery cell at least partially received in the cell holder, a printed circuit board, and a cell connector configured to electrically connect the at least one battery cell to the printed circuit board. The mounting element is configured to support a connection of the cell connector to the printed circuit board. The mounting element is located in a cut-out of the printed circuit board.
Nº publicación: US20260196669A1 09/07/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Resumen de: US20260196669A1
0000 A unit cell includes a separator and an electrode, which are alternately laminated by a predetermined number. The unit cell is configured such that: the unit cell is laminated in the order of a lower separator, any one electrode of an anode or a cathode, an upper separator, and the other one electrode of the anode or the cathode, wherein at least one surface of the electrode and the separator is applied with an adhesive to adhere the electrode and the separator or the lower separator and the upper separator. The adhesive contains an adhesive composition comprising a copolymer and a rosin ester-based additive, the copolymer contains 60.1 to 79.9% by weight of two or more kinds of alkyl (meth)acrylate-based repeating units (A), and 20.1 to 39.9% by weight of (meth)acrylate-based repeating unit (B) having a hydroxyl group at its end.
BOPI
Sede Electrónica
