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882
resultados
Última actualización
20/12/2025 [07:08:00]
Resultados 525 a 550 de 882
Resumen de: WO2025251231A1
The present application discloses an energy storage device, comprising a first housing, a first separator, a battery module, and an electrical module. The first separator is connected to the first housing, and the first separator divides the first housing into a first chamber and a second chamber arranged in a first direction. The battery module is located in one of the first chamber and the second chamber. The electrical module is located in the other one of the first chamber and the second chamber, and the electrical module is electrically connected to the battery module. The electrical module and the battery module are located in different chambers, so that heat generated by the electrical module is separated from heat generated by the battery module, thereby facilitating improvement of heat dissipation of the battery module.
Resumen de: WO2025251358A1
Provided are a halide solid-state electrolyte material and a preparation method therefor, a solid-state electrolyte membrane, and a lithium ion battery. The chemical formula of the halide solid-state electrolyte material is LixTayInzCl6, wherein y/x is from 0.04 to 1, z=(6-x-5y)/3, and 1>z>0.2. The halide solid-state electrolyte material has better ionic conductivity, can be prepared by a solution method, involves a simple preparation process and low preparation cost, and can meet the requirements of large-scale production.
Resumen de: US2025379236A1
A columnar secondary battery includes an electrode plate. The electrode plate includes a current collector and a material layer located on at least one surface of the current collector. Along a width direction of the electrode plate unwound, the current collector includes a coating region coated with the material layer, and a blank foil region. At least a part of the blank foil region forms a flattened portion. The blank foil region is provided with a plurality of first stripes. The plurality of first stripes extend along the width direction and are spaced apart from each other along a length direction of the electrode plate unwound. A mass of the blank foil region is M0 g, a mass of a portion of the current collector equivalent to the plurality of first stripes in volume is M1 g, and V=M1/(M0+M1).
Resumen de: US2025379339A1
A current collector plate includes a frame member having at least two arms. The at least two arms are arranged radially on the frame member to define two or more slots in the frame member. The current collector plate includes two or more flap members coupled to the inner periphery of the frame member and positioned in the two or more slots without being in contact with the at least two arms. Each flap member is in a plane different from the plane in which the frame member lies.
Resumen de: US2025379335A1
This application provides a battery cell, a battery, and an electrical device. The battery cell includes a shell, an electrode post, an electrode assembly, and an insulation piece. The shell includes a sidewall and a first end wall connected to the sidewall. The electrode post is dielectrically mounted on the first end wall of the shell. The electrode assembly is located in the shell. The electrode assembly includes a first tab. The first tab faces the first end wall and is electrically connected to the electrode post. The insulation piece includes a first insulation portion located between the bottom wall and the first tab, and a second insulation portion peripherally disposed at an outer edge of the first insulation portion and protrudes toward a side at which the electrode assembly is located.
Resumen de: US2025379332A1
A battery, an electrical apparatus, and an energy storage device and relates to the technical field of batteries. The battery includes a battery cell, a box, and a treatment mechanism. The box is used for accommodating the battery cell. The box has an exhaust hole used for discharging emissions generated by thermal runaway of the battery cell. The treatment mechanism is arranged at the box, and is used for reducing the mass flow of the combustibles in the emissions through the exhaust hole.
Resumen de: US2025379234A1
A copolymer includes a main chain including a first monomer unit based on styrene, a second monomer unit containing a hydroxy group and having 4 or more and 7 or fewer carbon atoms, and a third monomer unit containing a double bond and having 4 or more and 7 or fewer carbon atoms, wherein the second monomer unit of the main chain includes a grafted polymer chain. In addition, proposed are a negative electrode slurry, a negative electrode, and a secondary battery, each including the copolymer.
Resumen de: US2025379298A1
An assembly includes a housing defining an internal volume. An electrochemical cell is disposed in the internal volume. A barrier layer disposed on at least a portion of the housing, the barrier layer including a metal and configured to inhibit fluid communication between the inner volume of the housing and the external environment. The barrier layer may include a plurality of layers, at least one of the plurality of layers including the metal. The plurality of layers may include a first layer disposed on a surface of the housing, the first layer formed of a first material, and a second layer disposed on the first layer, the second layer formed from a second material including the metal.
Resumen de: US2025379279A1
A battery unit comprises an arrangement of a plurality of discrete, stacked battery cells that implement one or more thermal management techniques. The arrangement of the stacked battery cells generates sufficient cooling within the battery unit during operation of the battery such that external cooling mechanisms are not implemented. In addition, the battery unit can comprise thermal management component that includes one or more materials to transfer heat away from the battery unit and/or one or more materials for storing and releasing heat that is produced during the operation of the battery.
Resumen de: US2025379267A1
A separator, a preparation method therefor, a lithium-ion battery, and an electric device. The separator includes a separation film and a coating provided on at least one side of the separation film; and the coating includes a metal salt, the metal salt includes metal ions, and the metal ions have a reduction potential higher than that of lithium ions.
Resumen de: US2025379282A1
A battery system includes a housing and a plurality of battery cells accommodated in the housing, with each of the battery cells including cell terminals. The cell terminals of neighboring battery cells are electrically interconnected via electrical connecting elements. Each electrical connecting element includes a first layer contacting neighboring cell terminals and a second layer disposed on top of the first layer. The melting point of the first layer is greater than a melting point of the second layer.
Resumen de: US2025379265A1
The present application provides a separator, a battery and an electric device. The separator includes a porous base material, and a first coating and a second coating which are respectively located on the two surfaces of the porous base material; when the separator is used for a battery, the first coating faces a negative electrode, and the second coating faces a positive electrode; the first coating includes first particles, the first particles include a solid electrolyte, and the content of the first particles in the first coating is greater than 50 wt %; the second coating includes second particles, the second particles include inorganic particles capable of reacting with lithium dendrites, and the content of the second particles in the second coating is greater than 50 wt %.
Resumen de: WO2025251224A1
The present invention relates to the technical field of lithium-ion batteries, and in particular to a copper foil and a preparation method therefor, a negative electrode comprising same, and a lithium-ion battery. The copper foil comprises ultra-fine grains and nanotwins, and has an average grain size of 0.2-0.4 μm and an area-weighted average grain size of 0.3-0.8 μm, wherein the proportion of the nanotwins in the copper foil is greater than 50%. The copper foil is prepared by means of a pulse electroplating technique, which can control the average grain size and the proportion of nanotwins in the copper foil, thereby making the copper foil have high tensile strength and a high elongation rate. Moreover, a specific electrolyte is used in the preparation method, enabling the tensile strength of the copper foil to reach 600-900 MPa and the elongation rate thereof to be greater than 5%. Applying the copper foil to a lithium-ion battery can reduce the volume expansion rate of a negative electrode material after charging and discharging cycles, prevent the copper foil from cracking due to repeated volume changes during the charging and discharging processes of the negative electrode material, prolong the cycle life of the battery and improve the safety of the battery.
Resumen de: WO2025251183A1
Provided in the present invention is an operating method of a lead-acid storage battery. The lead-acid storage battery comprises a housing, wherein an electrode plate wrapped in an AGM separator is mounted in the housing, the AGM separator has pores, and a sulfuric acid electrolyte is adsorbed in the pores of the AGM separator. The operating method of the lead-acid storage battery comprises an early stage of charging and discharging, an intermediate stage of charging and discharging and a later stage of charging and discharging, wherein in the early stage of charging and discharging, the sulfuric acid electrolyte is adsorbed in all the pores of the AGM separator; and in the intermediate stage of charging and discharging and the later stage of charging and discharging, the sulfuric acid electrolyte is not adsorbed in some of the pores of the AGM separator. The present invention further sets forth a lead-acid storage battery serving as a secondary battery. The lead-acid storage battery and the operating method thereof of the present invention can prolong the service life of the lead-acid storage battery.
Resumen de: WO2025251340A1
A top cover having an integrally formed explosion-proof valve (11), comprising: a top cover main body (10); an explosion-proof valve (11) integrally formed with the top cover main body (10); the top cover main body (10) comprises an outer surface (101) and an inner surface (102) opposite the outer surface (101); the explosion-proof valve (11) comprises a valve main body (111) and a safety groove (112); the valve main body (111) comprises a recessed portion (103) extending toward the inner surface (102) of the top cover main body (10), a lower edge of the recessed portion (103) contracts inwardly and forms a protruding portion (104) extending toward the outer surface (101) of the top cover main body (10), and the safety groove (112) is provided on a top surface of the protruding portion (104). A battery casing (20) having the integrally formed explosion-proof valve (11), and a processing method for the top cover and the battery casing (20). The method comprises locally heating the safety groove (112) region to improve the microstructure thereof, so as to lower and stabilize the rupture pressure value.
Resumen de: US2025379235A1
The present disclosure provides a fluoride ion conductor having a perovskite structure with high ionic conductivity, a negative electrode mixture comprising the fluoride ion conductor, and a fluoride ion battery comprising the negative electrode mixture. The fluoride ion conductor of the disclosure has a perovskite structure, and is represented by the following formula (1): Ba1-x-ySrxAyLiF3-y: (1) wherein; A is an alkali metal element selected from among Na, K, Rb and Cs, 0.3<3 1−x−y<1.0, 0≤x<0.4, and 0
Resumen de: US2025379329A1
Lithium-ion batteries, battery modules and battery packs are provided that comprise anti-propagation systems designed to mitigate a thermal runaway condition. A battery module comprises a housing comprising a plurality of lithium-ion battery cells each having a positive terminal and a negative terminal, and a flexible container housing a liquid and positioned adjacent to the positive terminal of at least one of the battery cells. The flexible container comprises a material configured to melt at a temperature at or above a threshold temperature for quenching a thermal runaway event in the battery pack to prevent the thermal runaway from propagating and spreading to other battery cells or modules within the pack. The battery module comprises a reinforcement substrate secured to the flexible container. The reinforcement substrate provides structural rigidity to the flexible container and functions to inhibit thermal runaway eject from passing therethrough to other battery modules within the battery pack.
Resumen de: US2025379337A1
A busbar assembly for electrically interconnecting a plurality of power racks arranged in a rack row includes first and second conductive busbars extending horizontally with respect to the rack row. The first and second conductive busbars electrically connect with first and second pluggable connectors extending rearward from the rack row orthogonal to the busbars. To interconnect the conductive busbars and pluggable connectors, the busbar assembly includes first and second conductive links that are shaped to extend between the components. To brace the busbars in parallel, the busbar assembly includes a support insulator that traverses and clamps to the busbars.
Resumen de: US2025379333A1
A secondary battery, a battery assembly and an electronic device is provided. The secondary battery includes a housing, an electrode assembly, a pole, and an insulating member. The housing includes an end wall and a sidewall surrounding the end wall. The electrode assembly is disposed inside the housing. The pole is fixed to the end wall and electrically connected to the electrode assembly. The pole includes a columnar part and an inner flange. The columnar part passes through the pole hole, and the inner flange is located inside the housing and extends from the columnar part towards the periphery of the end wall. The insulating member is at least partially located on one side of the end wall facing the interior of the housing. The insulating member includes a first insulator surrounding the columnar part and a second insulator at least partially surrounding the first insulator.
Resumen de: US2025379331A1
Disclosed are a module cover, a battery pack, and vehicle, the module cover having a panel shape having an area that covers all a plurality of battery modules adjacent to one another with a crossbeam interposed therebetween, in which a fixing portion is formed on a portion corresponding to the crossbeam, and the module cover is coupled to the crossbeam by means of the fixing portion.
Resumen de: US2025379261A1
A lithium ion battery comprises an electrolyte solution and a stacked electrode assembly. The stacked electrode assembly includes a positive electrode layer and a negative electrode layer. The positive electrode layer and the negative electrode layer are alternately stacked in a stacking direction. In the stacking direction, the stacked electrode assembly includes a first region, a second region, and a third region in this order. The second region includes an intermediate point in the stacking direction. The first region includes a first positive electrode active material having a first particle size. Each of the second region and the third region includes a second positive electrode active material having a second particle size and a third positive electrode active material having a third particle size. A relationship of “d2
Resumen de: US2025379257A1
An electrode assembly includes: a separator structure including a first separator and a second separator; a plurality of negative electrode plates spaced from each other along a first direction between the first separator and the second separator; and a plurality of positive electrode plates on the negative electrode plates with the first separator or the second separator therebetween. The separator structure includes a bending portion where the first separator and the second separator are bonded to each other, and the bending portion has a cutaway portion through which the first separator and the second separator are cut in a second direction perpendicular to the first direction.
Resumen de: US2025379259A1
A solid-state battery has an anode including a metal foil current collector and an anode composite on the metal foil current collector such that the metal foil current collector defines an exposed area free of the anode composite. The solid-state battery also has a separator laminated on the anode composite and a tape attached on both sides of the anode, covering the exposed area.
Resumen de: US2025379299A1
The present disclosure relates to a secondary battery and a manufacturing method of the secondary battery. The secondary battery according to an embodiment of the present disclosure includes a case including a cylindrical side wall portion having a receiving space therein, a closed end portion formed at one end of the side wall portion, and an opening provided at another end of the side wall portion; and an electrode assembly received in the receiving space, wherein the side wall portion includes a first region including the one end, a second region including the other end, and a third region including a region other than the first region and the second region, and wherein mechanical strength of the first region is higher than mechanical strength of the third region.
Nº publicación: US2025379256A1 11/12/2025
Solicitante:
BATTELLE MEMORIAL INST [US]
BATTELLE MEMORIAL INSTITUTE
Resumen de: US2025379256A1
Embodiments of the invention are related to moderately solvating electrolytes (MSEs) and rechargeable metal-sulfur batteries containing such electrolytes. Electrolytes include a metal salt, a highly solvating solvent, a weakly or lowly solvating solvent, and a non-solvating solvent (or diluent). Example rechargeable batteries including such electrolytes are lithium-sulfur (Li—S), sodium-sulfur (Na—S), potassium-sulfur (K—S), magnesium-sulfur (Mg—S), and aluminum-sulfur (AI-S) batteries.
BOPI
Sede Electrónica
