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1148
resultados
Última actualización
05/09/2025 [07:17:00]
Resultados 50 a 75 de 1148
Resumen de: US2025279410A1
A positive electrode active material composition, a positive electrode plate, a battery, and an electric apparatus are described. The positive electrode active material composition includes a first positive electrode active material and a second positive electrode active material, where the first positive electrode active material includes a core LiaAbMnfB1-fP1-dRdO4-nDn and a coating layer covering the core, and the second positive electrode active material includes a compound LiNixCoyM1-x-yO2; and 0.018m+0.003f≤z≤0.02m+0.02f is satisfied.
Resumen de: US2025279418A1
A positive electrode plate includes: a positive electrode current collector and a positive electrode active material layer disposed on a surface of at least one side of the positive electrode current collector and including a positive electrode active material. The positive electrode active material includes a sodium-containing positive electrode active material. A thickness of the positive active plate satisfies that Dmax/Dmin is 104.5% to 300%, where for a battery assembled from the positive electrode plate and a negative electrode plate, Dmax is a thickness of the positive electrode plate of the battery at 0% SOC, and Dmin is a thickness of the positive electrode plate of the battery at 100% SOC. The negative electrode plate includes a negative electrode current collector, and when the battery is at 100% SOC, a surface of at least one side of the negative electrode current collector has a sodium metal layer.
Resumen de: US2025279412A1
A negative electrode for an all solid-state battery includes a current collector, a first layer on the current collector, the first layer including a Si-carbon composite, and a second layer on the first layer, the second layer including a carbonaceous material and a metal, wherein a ratio of a capacity of the negative electrode/a capacity of a positive electrode is about 0.5 to about 2.
Resumen de: US2025279411A1
A secondary battery and an electrical device including the secondary battery. The secondary battery includes a negative electrode and an electrolyte. The negative electrode of the secondary battery includes a silicon-carbon composite material having a three-dimensional network cross-linked pore structure, and the electrolyte of the secondary battery includes dimethyl carbonate.
Resumen de: US2025279407A1
The present disclosure relates to an electrode film for the manufacture of a dry electrode for a secondary battery, a dry electrode comprising the same and a method for manufacturing the same. The electrode film according to an aspect of the present disclosure comprises a unit electrode film stacked in two or more layers, the unit electrode film comprising a fibrillized binder and an active material, wherein machine directions (MDs) of the unit electrode films in contact with each other among the two or more layers of unit electrode films are antiparallel to each other.
Resumen de: US2025279416A1
Embodiments of this application provide a positive electrode active material, a battery cell, a battery, and a power consuming apparatus. The positive electrode active material includes: a matrix, where a chemical formula of the matrix is LiLixNiaCobMncMdO2, M includes at least one of Mg, Nb, Cr, Ce, Fe, Ta, B, Al, V, Ti, Zr, Sn, P, and Mo, x+a+b+c+d=1, x>0, a>0, 0
Resumen de: US2025279409A1
The present disclosure relates to a composite electrode comprising polymer with carbon particles percolated by gallium or a gallium-indium alloy, and a stretchable battery comprising: a cathode electrode comprising silver oxide and styrene-isoprene block copolymer (Ag2O-SIS) and a cathode current collector; an anode electrode comprising a gallium, carbon, and a polymer and an anode current collector; wherein each of the cathode current collector and the anode current collector comprise: a first current collector of a composite comprising liquid metal eutectic gallium-indium (EGaln), silver (Ag), and styrene-isoprene block copolymer (SIS); and a second current collector a second layer of carbon black (CB) and styrene-isoprene block copolymer (SIS). The disclosure also discloses a method to obtain said composite electrode and said stretchable battery.
Resumen de: US2025279414A1
The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide. The positive electrode plate can effectively improve the influence of the concentration polarization of a battery on the performance of the battery, thereby helping to improve the capacity and cycle performance of the battery.
Resumen de: US2025279427A1
A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
Resumen de: US2025279415A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode active material comprises: a core; and a carbon coating layer which covers at least part of the surface of the core, the molar ratio of sp3 hybridized carbon atoms to sp2 hybridized carbon atoms in the carbon coating layer being not less than 0.5.
Resumen de: US2025279428A1
A cathode for a lithium-ion battery including a layer of a conductive material arranged to collect the current flowing through the cathode, which layer is referred to as the substrate of the cathode, a layer of aligned carbon nanotubes (CNTs) in electrical contact with the substrate of the cathode and mainly extending perpendicular to the substrate of the cathode, solid sulfur which at least partially coats an outer wall of the CNTs and a solid layer of solid lithium sulfate (Li2SO4), which layer is referred to as the outer layer of Li2SO4, covering the layer of CNTs so as to form a stack of layers in which the layer of CNTs is located between the substrate of the cathode and the outer layer of Li2SO4 is disclosed.
Resumen de: US2025279426A1
This application provides a positive active material, a positive electrode plate, an electrochemical energy storage apparatus, and an apparatus. The positive active material is LixNiyCozMkMepOrAm, or LixNiyCozMkMepOrAm with a coating layer on its surface; and the positive active material is single crystal or quasi-single crystal particles, and a particle size Dn10 of the positive active material satisfies: 0.3 μm≤Dn10≤2 μm. In this application, particle morphology of the positive active material and an amount of micro powder in the positive active material are properly controlled, to effectively reduce side reactions between the positive active material and an electrolyte solution, decrease gas production of the electrochemical energy storage apparatus, and improve storage performance of the electrochemical energy storage apparatus without deteriorating an energy density, cycle performance, and rate performance of the electrochemical energy storage apparatus.
Resumen de: US2025279499A1
A battery module includes: a first battery cell; a first case to accommodate the first battery cell, and having a first through region to expose a portion of a surface of the first battery cell therethrough; a second case to accommodate at least a portion of the first case; and a first heat conducting member between the first battery cell and the second case.
Resumen de: US2025279498A1
A battery includes a box body, and multiple battery cells and a heat conducting member arranged in the box body. Each battery cell is provided with multiple side walls. The multiple side walls include a first side wall and a second side wall connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.
Resumen de: US2025279425A1
A lithium ion battery having excellent charge performance and discharge performance even in a low-temperature environment is provided. A lithium ion battery includes a positive electrode active material containing cobalt, oxygen, magnesium, aluminum, and nickel. The median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. Magnesium and aluminum are included in a surface portion. The surface portion is a region within 50 nm in depth from the surface of the positive electrode active material. The positive electrode active material includes a region where magnesium is distributed closer to the surface side of the positive electrode active material than aluminum is.
Resumen de: US2025279406A1
A method of manufacturing an electrode for an electrochemical element includes applying a first liquid composition onto an electrode composite layer having a rough structure by inkjetting in an amount of 0.34 to 10 mg/cm2 per application to form a first solid electrolyte layer comprising a solid electrolyte, to manufacture the electrode including: a substrate; the electrode composite layer disposed on the substrate, comprising an active material; and the first solid electrolyte layer, wherein the liquid composition comprises the solid electrolyte and a dispersion medium and has a viscosity of 4 to 20 mPa·s.
Resumen de: US2025279423A1
A electrode film includes an active material and a fluorine-containing binder. The fluorine-containing binder includes a polytetrafluoroethylene (PTFE) binder- and the active material includes a lithium transition metal oxide. The content of the fluorine-containing binder is 0.5-10 parts by weight based on 100 parts by weight of the total weight of the electrode film and the electrode film shows an elongation at break of 7% or more. An electrode, a secondary battery, and an energy storage system including the electrode film are also provided.
Resumen de: US2025279424A1
A positive electrode active material which inhibits a decrease in discharge capacity during charge and discharge cycles and a secondary battery which includes the positive electrode active material are provided. The secondary battery includes a positive electrode active material. The positive electrode active material contains lithium cobalt oxide. A total mass of magnesium oxide and tricobalt tetraoxide estimated by Rietveld analysis of a pattern obtained by powder X-ray diffraction of the positive electrode active material is less than or equal to 3% with respect to a mass of the lithium cobalt oxide. A volume resistivity of a powder of the positive electrode active material is higher than or equal to 1.0E+8 Ω·cm and lower than or equal to 1.0E+10 Ω·cm under a pressure of 64 MPa.
Resumen de: US2025279493A1
A heat exchange system has an inlet branch adapted to receive a heat exchange liquid, supplied by a first pump and cooled by a chiller, and an outlet branch which circulates the heat exchange liquid to the chiller. The system has a cooling line, which extends from the inlet branch to the outlet branch along a vehicle battery for cooling this battery, and a branch line, which extends along a thermal reservoir containing a material with characteristics such as to store heat/cold and is configured in such a way as to exchange heat between said material and the heat exchange liquid. The system has at least one valve which is configured and controllable to achieve a first operating condition, in which the liquid flows exclusively in the cooling line, and a second operating condition, in which the liquid flows in the branch line and, in series, in the cooling line.
Resumen de: US2025279743A1
A solar maintenance charging kit may include a solar panel assembly, an auxiliary battery system configured to receive power from the solar panel assembly, and an electronics assembly configured to adjust a maintenance voltage supplied to a mobile industrial machine from one of the solar panel assembly or the auxiliary battery system. The solar maintenance charging kit may be portable.
Resumen de: US2025279559A1
According to one aspect of the present invention, a body part of a CID filter of a secondary battery has a main through-hole and an auxiliary through-hole defined therein. The auxiliary hole is positioned between a CID gasket and an area of the CID filter that is electrically connected to an electrode tab.
Resumen de: US2025279560A1
An electrode assembly for a secondary battery having improved safety is provided. According to the embodiments of the present disclosure, a front end and a rear end of a positive electrode plate may be insulated from each other to prevent a short circuit from occurring due to deformation of a front end of the negative electrode plate. A rear end of the negative electrode plate may be insulated to prevent a short circuit between the negative electrode plate and the positive electrode plate. An additional insulating tape may be provided on the rear end of the negative electrode plate to prevent defects due to Z-shaped deformation of the negative electrode plate from occurring.
Resumen de: US2025279457A1
An electrode assembly joining apparatus includes a gripper, a press part, and a stack movement part. The gripper holds a part of a stack in which a plurality of positive electrodes and a plurality of negative electrodes are alternately stacked with separators disposed therebetween. The press part bonds the stack, and the stack movement part supports the stack or moves the stack partially. A method of manufacturing the same is also provided.
Resumen de: US2025279436A1
An electrode plate according to the present disclosure includes: a current collector, the current collector including a substrate and a coating layer coating the substrate; and an electrode layer disposed on the current collector, wherein the coating layer includes conductive carbon and a first binder, the electrode layer includes a second binder, the first binder includes an aromatic super engineering plastic, and the second binder includes a styrenic elastomer in which a mole fraction of a repeating unit derived from styrene is 0.18 or more.
Nº publicación: US2025279553A1 04/09/2025
Solicitante:
CONTEMPORARY AMPEREX TECH HONG KONG LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Resumen de: US2025279553A1
A battery cell comprises: terminals and a battery core assembly; the battery core assembly comprises active substance coated parts and a plurality of tab pieces extending from the active substance coated parts in a first direction; the ends of the plurality of tab pieces close to an active substance coated part close up to form a first closing-up part, and the ends of the plurality of tab pieces away from the active substance coated part close up and connect to each other to form a second closing-up part, the first closing-up part being connected to the second closing-up part and the active substance coated part, and the orthographic projection of the end of the second closing-up part connected to the first closing-up part on a terminal in the first direction being at least partially located in the outer contour range of the terminal.
BOPI
Sede Electrónica
