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1197
resultados
Última actualización
19/08/2025 [07:13:00]
Resultados 175 a 200 de 1197
Resumen de: AU2024214358A1
A process for the recovery of a useful material from a battery, comprising the steps of: comminuting, discharging and shredding a battery to form a feed stream comprising anode material, cathode material and an electrolyte; removing the electrolyte from the feed stream; separating the anode material and cathode material from the feed stream into distinct material streams using (electro)magnetic separation; and treating the anode material stream to obtain a graphite product and/or treating the cathode material stream to obtain a cathode active material product.
Resumen de: WO2024163614A1
According to various embodiments, a method of quickly and inexpensively forming a crystallographically-stable, highly durable, cobalt-free, lithium-substituted, lithium-rich metal oxide (S-LRMO) material is provided, where the element that is used to replace lithium is some combination of Na, K, Ca, and Mg, and is above the levels commonly thought of as doping. In some embodiments, a cathode active material comprising a lithium-substituted, lithium-rich metal oxide is provided. For example, in some embodiments, the cathode active material comprises a chemical formula LiLixAyMzOb, where A comprises at least one of Na, K, Ca and/or Mg. In some embodiments, (x + y) is greater than 0 and less than 0.3, y > 0.05, z = 1 - (x + y), M includes Mn and Ni, and b is greater than or equal to 1.8 and less than or equal to 2.2.
Resumen de: US2025260006A1
A cell for use in an electrochemical cell having positive and negative electrodes. The positive electrode includes a current collector and a pre-lithiated active cathode material formed of one or more of Li1+xMn2O4, Li1+xNi0.5Mn1.5O4, Li1+xNiO2, Li1+xCoO2, Li1+xNiaCobMncAlO2, wherein x is in the range of 0.1 to 1.0; a+b+c+d=1; a≥0.5; 0
Resumen de: US2025260101A1
A battery cell includes a case including a first edge forming an opening and a joining portion positioned perpendicular to the first edge, an electrode assembly accommodated within the case, and a cap assembly coupled to the case and sealing the opening. The case includes a center area facing the electrode assembly, an end area surrounding at least a portion of the cap assembly, and a groove extending from the end area and accommodating a welding bead formed in the joining portion.
Resumen de: US2025260098A1
A fastening structure includes an insulation member disposed between a fastening member and a fastened member, and has a configuration wherein the insulation member is in close contact with the fastening member and the fastened member so that an adequate sealing area is secured. The fastening structure includes: a case; a fastening member extending through a through hole in the case; and an insulation member between the fastening member and the case. The fastening member includes a portion exposed from the case, and a penetrating portion extending through the through hole. The expose portion includes a confronting surface opposed to an outside surface of the case via the insulation member. A compression region is located, and defines a minimum distance between, the confronting surface and the outside surface. A projection is disposed at place not overlapping with the compression region.
Resumen de: US2025260062A1
This application discloses a secondary battery and an electric apparatus. The secondary battery includes a positive electrode plate, a negative electrode plate, an electrolyte, and a separator sandwiched between the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode active material. The positive electrode active material includes LiFexM(1-x)PO4, where 0
Resumen de: US2025260047A1
A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1,LiaMxPSbBrcXd. Formula 1wherein Formula 1,M is Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof;X is Cl; and0≤x<1, 5≤(a+x)<7, 5≤a≤6, 4≤b≤6 and 0<(c+d)≤2.
Resumen de: WO2025170155A1
The present invention relates to: a dry electrode film which can be manufactured in a dry manner without a fiberizing process; a lithium secondary battery using same; and a method for manufacturing same. The dry electrode film according to the present invention comprises 80-99.9 wt% of an active material, 0.1-10 wt% of a rubber-based binder, and 10 wt% or less of a conductive material.
Resumen de: WO2025169982A1
A non-aqueous electrolyte power storage element according to one aspect of the present invention comprises: a positive electrode containing a sulfur-based active material; and a non-aqueous electrolyte containing an electrolyte salt, an ionic liquid, and a fluorinated solvent. The fluorinated solvent is at least one selected from the group consisting of a fluorinated ether and a fluorinated carboxylic acid ester. The total content of the ionic liquid and the fluorinated solvent with respect to all components other than the electrolyte salt in the non-aqueous electrolyte is 90 mol% or more.
Resumen de: WO2025169983A1
A nonaqueous electrolyte power storage element according to one aspect of the present invention comprises: a negative electrode including metallic lithium, at least when in a charged state; and a nonaqueous electrolyte including an electrolyte salt, an ionic liquid, and a nonaqueous solvent, wherein the nonaqueous solvent contains a fluorinated cyclic ether, and the mass molar concentration of the electrolyte salt in the nonaqueous electrolyte is 0.8 mol/kg to 3.5 mol/kg.
Resumen de: WO2025167417A1
A preparation method for a lithium metal powder, a product thereof, a prepared lithium metal negative electrode, and a finally assembled liquid electrolyte lithium-ion battery and solid electrolyte lithium-ion battery. The preparation method for a lithium metal powder comprises: mixing a lithium metal raw material with a polymer additive in an inert gas atmosphere, and then subjecting the mixture to freezing ball milling. The polymer additive does not react with the lithium metal raw material, and the Rockwell hardness of the polymer additive is 70-110. By means of the preparation method, a lithium metal powder having a uniform size can be prepared, the median particle size of which is not higher than 500 nm and minimally can reach 10 nm; and the preparation method has a low raw material cost and a simple and feasible process. A lithium-ion battery assembled by taking the lithium metal powder prepared by means of the method as a negative electrode active component has a high dendritic crystal growth critical current density and excellent electroplating/stripping cycle stability.
Resumen de: WO2025167198A1
The present application provides a battery, a battery pack, and an energy storage system. The battery comprises: a casing; and a battery cell arranged in the casing. A support frame is arranged between at least one inner wall of the casing and the battery cell, the material of the support frame comprising a solid-solid phase change material so as to improve the consistency of the internal temperature of the battery.
Resumen de: WO2025167381A1
Disclosed in the present invention are a battery and an electric device. The battery comprises: a case; battery cell rows each comprising a plurality of battery cells arranged in a first direction, wherein the plurality of battery cell rows are stacked in a second direction to form a battery cell array and placed in the case; and an elongated component, wherein at least one elongated component is provided on the surface of the side of the battery cell rows facing away from a bottom plate of the case in a third direction, the elongated component extends in the first direction and is connected to at least one battery cell in the battery cell rows, and the first direction is perpendicular to both the second direction and the third direction.
Resumen de: WO2025167289A1
The present application belongs to the technical field of lithium-ion batteries. Disclosed are a multilayer coated positive electrode sheet and a preparation method, a lithium-ion battery and an electric device. The multilayer coated positive electrode sheet of the present application comprises a current collector and two or more active material layers from bottom to top, wherein a network structure layer is provided between any two active material layers, and each active material layer contains a positive active material.
Resumen de: US2025260137A1
Conventional batteries have room for improvement in terms of improving structural efficiency. The battery of the present disclosure comprises a power generating portion and a current collecting portion, and the current collecting portion comprises an electrode mixture. In the battery, for example, a layer comprising the electrode mixture in the current collecting portion may be bent together with a current collector.
Resumen de: US2025260070A1
The nonaqueous electrolyte energy storage device according to an aspect of the present invention includes an electrode assembly in which a positive electrode containing positive active material particles and a negative electrode are stacked; a nonaqueous electrolyte solution; and a sealable case for housing the electrode assembly and the nonaqueous electrolyte solution, and in the nonaqueous electrolyte energy storage device, the positive active material particles contain a lithium transition metal composite oxide having an α-NaFeO2 structure, the content of lithium element with respect to a transition metal element in the lithium transition metal composite oxide is more than 1.0 in terms of molar ratio, the positive active material particles contain a different kind of element, the different kind of element is aluminum element, tungsten element, boron element, zinc element, titanium element, or a combination of these elements, a gas soluble in the nonaqueous electrolyte solution is filled inside the case, the inside of the case is in a negative pressure state, and the electrode assembly is in a state of being pressed in the stacking direction of the positive electrode and negative electrode.
Resumen de: US2025260113A1
A power storage module includes at least one cylindrical power storage device, and a lower holder that holds a lower end part of the power storage device, wherein at least one concave part is formed on one of a surface of the power storage device facing a holding part and a surface of the holding part facing the power storage device, and at least one convex part fitted in the concave part is formed on the other.
Resumen de: US2025260134A1
A busbar, a battery pack, and an electronic device are provided. The busbar includes an aluminum bar and two copper sleeves, and a mounting hole is provided in each of the two ends of the aluminum bar. The two copper sleeves are secured in one-to-one correspondence in the two mounting holes, and the copper sleeves are electrically connected to the aluminum bar. One of the two copper sleeves is configured for electrically connecting to a battery module, and the other copper sleeve is configured for electrically connecting to an external device.
Resumen de: US2025260111A1
A battery includes a box, at least one battery cell group, reinforcing pieces, and a connecting piece. The box includes first and second limiting portions disposed opposite each other in a first direction. The at least one battery cell group is disposed in the box and located between the first limiting portion and the second limiting portion, and the battery cell group includes battery cells arranged in the first direction. The reinforcing pieces are disposed in the box and located between the first limiting portion and the second limiting portion. The reinforcing pieces are spaced apart in the first direction, and at least one of the battery cells is disposed between two adjacent ones of the reinforcing pieces. One end of the connecting piece is connected to the first limiting portion, and the other end of the connecting piece is connected to the second limiting portion.
Resumen de: US2025258238A1
A battery classification apparatus according to an embodiment of the present disclosure includes: a profile generating unit configured to obtain battery information about capacity and voltage of a battery and generate a differential profile representing a corresponding relationship between the capacity and a differential voltage based on the capacity and the voltage; and a control unit configured to obtain the differential profile from the profile generating unit, detect a plurality of peaks in the obtained differential profile, and classify the battery into any one of a plurality of preset groups based on a plurality of classification conditions preset for the number of the plurality of detected peaks and the differential voltage.
Resumen de: US2025260045A1
A secondary battery including a fine electrode pattern and a method of manufacturing the same. The secondary battery includes an electrode assembly having a positive electrode having a positive electrode active material coated on a positive electrode substrate, a negative electrode having a negative electrode active material coated on a negative electrode substrate, and a separator.
Resumen de: US2025260052A1
Disclosed is an electrolyte and a secondary battery containing the same. According to the present disclosure, charging efficiency and output may be improved due to low discharge resistance, and gas generation and thickness increase may be suppressed to provide a secondary battery with long-term lifespan and excellent high temperature capacity retention.
Resumen de: US2025260007A1
The present invention provides a cathode for electrochemical cells, comprising a combination of electroactive materials and additive active materials in a weight ratio of 85-95%, binders in a range of 3-8% by weight, and conductive diluents in a range of 1-5% by weight. The electroactive materials include lithium manganese iron phosphate (LLMFP), lithium ferro phosphate (LFP), nickel-manganese-cobalt oxides (NMC 111, NMC 532, NMC 622, NMC 811, NMC 9 0.5 0.5), and lithium nickel cobalt aluminum oxide (NCA). The additive active materials include lithium cobalt oxide (LCO), lithium nickel cobalt aluminum oxide (NCA), and lithium-ion manganese oxide (LMO). The disclosed cathode enables formation of a high power density electrochemical cell, while maintaining optimal energy density, an extended lifecycle having a high number of charge-discharge cycles.
Resumen de: US2025257431A1
A prelithiated electrode material and a preparation method thereof, a secondary battery, and an electrical device. A particle diameter of the prelithiated electrode material is 20 nm to 50 μm. The prelithiated electrode material includes a lithiation layer. The lithiation layer includes at least one lithiation sublayer. When a number of the lithiation sublayers is greater than or equal to 2, a content of lithium in the lithiation sublayers decreases layer by layer from a surface to an interior of the prelithiated electrode material.
Nº publicación: US2025257430A1 14/08/2025
Solicitante:
UACJ CORP [JP]
UACJ Corporation
Resumen de: US2025257430A1
One aspect of the present disclosure provides an aluminum alloy sheet for a tab including 0.20 mass % or more and 0.60 mass % or less of Si, 0.30 mass % or more and 0.70 mass % or less of Fe, 0.11 mass % or more and 0.40 mass % or less of Cu, 0.7 mass % or more and 1.2 mass % or less of Mn, and 1.1 mass % or more and 3.0 mass % or less of Mg. A sheet thickness t (mm) and a tensile strength σB_0° (MPa) in a 0-degree direction with respect to a rolling direction satisfy the following formula (1). In an L-ST cross-section, a percentage of a total area of Mg2Si particles having an area of 0.3 μm2 or more is 0.2% or less.(2.7×t-0.45)×σB_0°≥67(1)
BOPI
Sede Electrónica
