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1482
resultados
Última actualización
03/04/2026 [07:26:00]
Resultados 700 a 725 de 1482
Resumen de: US20260088329A1
An electrode assembly includes a first electrode plate, a separator, and a second electrode plate in a wound structure, the wound structure having a cylindrical shape, wherein a winding front end area is at a beginning of the wound structure, a winding rear end area is at an end of the wound structure, and a winding interval in the winding front end area is different from a winding interval in the winding rear end area.
Resumen de: US20260088334A1
A secondary battery module includes: a cell stack including a plurality of unit cells; a first compression pad arranged between adjacent ones of the unit cells; and a pair of end plates facing each other at outer sides of the cell stack.
Resumen de: US20260088331A1
Systems and methods of producing a solid-state battery cell using an isostatic press system to apply a substantially uniaxial load on the flat surfaces of the cell, while limiting or eliminating the pressure applied to the sides and outside of the cell. The cell frame is provided that may include a top plate and a bottom plate between which the battery cell may be located. The top and bottom plates of the frame may include a hollow center covered with a polymer or other flexible, liquid-impervious, material. An outer portion of the top and bottom plates may comprise a frame to support the polymer center portion. In some implementations, the frame may comprise a metal material.
Resumen de: US20260088362A1
A secondary battery is provided and includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes a solvent. The solvent includes an anisole compound represented by Formula (1), and a content of the anisole compound in the solvent is 30 wt % or greater.
Resumen de: US20260088366A1
A manufacturing method of a battery includes: an injection step of injecting the electrolytic solution into the intermediate member via an unsealed portion; and a permeation step of causing the electrolytic solution to permeate the intermediate member. The electrode body includes a power generation element and a first collector terminal and a second collector terminal. The power generation element has a first side and a second side corresponding to long sides in the rectangular shape of the power generation element, and a third side and a fourth side corresponding to short sides in the rectangular shape of the power generation element. The first collector terminal and the second collector terminal are placed on the first side and on the second side, respectively. In the permeation step, the intermediate member is placed such that the first side is placed on a vertically lower side as a first arrangement state.
Resumen de: US20260088363A1
The present application provides a solid-state battery that eliminates the need for additional components such as conductive resin layers, makes it possible to enhance cycle characteristics, and can also be applied to solid-state batteries in which oxide-based solid electrolytes are used. The present application also provides a method for producing the solid-state battery. The present invention is intended to solve the problems described above and relates to a solid-state battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer arranged between the positive electrode layer and the negative electrode layer, in which the ratio (negative electrode capacity/positive electrode capacity) of the charge storage capacity of the negative electrode layer to the charge storage capacity of the positive electrode layer is 0.74-0.96.
Resumen de: US20260088328A1
An apparatus for manufacturing a secondary battery includes a cap jig configured to move and contact a cap assembly, a guide jig configured to move and contact one side of an electrode tab that electrically connects the cap assembly to an electrode assembly, and a roller jig configured to move and contact other side of the electrode tab.
Resumen de: US20260088325A1
Provided are secondary battery manufacturing equipment and a secondary battery manufacturing method. According to an aspect of the present disclosure, secondary battery manufacturing equipment which includes a sealing device configured to press an pouch film to seal a sealing region in which an electrode tab is disposed, an induction heating coil configured to inductively heat the electrode tab to provide heat to the sealing region in an outer region of the electrode tab disposed outside the pouch film, and a first guide configured to press and support the electrode tab in a direction opposite to the induction heating coil to limit movement of the electrode tab caused by a magnetic field when the electrode tab is inductively heated.
Resumen de: US20260088340A1
The present disclosure relates to an electrolyte and an all solid-state battery comprising the same. The electrolyte includes a PEO(polyethylene oxide)-based copolymer containing crosslinkable functional groups; and a polar compound, wherein at least a portion of the crosslinkable functional groups forms cross-links with each other, and the PEO-based copolymer forms a three-dimensional network structure, and wherein the polar compound in a gaseous state is contained in the three-dimensional network structure, and satisfies predetermined characteristics.
Resumen de: US20260088327A1
Provided is an automatic material supply device for a secondary battery. The device includes a material supply reel configured to enable a wound material for the secondary battery to be loaded, a material pulling part configured to pick up an end of a newly wound material for the secondary battery loaded on the material supply reel, and configured to pull the material a predetermined distance, and a material transfer part configured to hold a side of the material pulled out by the material pulling part and configured to pull the fixed material to a material connector. The automatic material supply device for the secondary battery is advantageous in that it is possible to automate a preparing process for replacement after loading a secondary battery material into a loading position.
Resumen de: US20260088368A1
A secondary battery, a battery group, and an electronic apparatus are provided. The secondary battery includes a casing and an electrode assembly accommodated in the casing and including a wound structure formed by stacking and winding a positive sheet, a separator, and a negative sheet. In a wound structure axial direction, a positive current collector of the positive sheet includes a positive coated region and a positive uncoated region, and a negative current collector of the negative sheet includes a negative coated region and a negative uncoated region. In a wound structure winding direction, the positive uncoated region sequentially includes a first, a second, and a third positive uncoated regions, and the negative uncoated region sequentially includes a first, a second region, and a third negative uncoated regions. The number of winding turns of the third positive uncoated region is greater than that of the third negative uncoated region.
Resumen de: US20260088323A1
An electrode tab structure and a welding tooling are provided in the present disclosure. The electrode tab structure includes multiple electrode tab units stacked and pre-welded together, and the electrode tab structure includes a first end face and a second end face arranged opposite to each other. The first end face of the electrode tab structure is configured to be abutted against a welding head, and the second end face of the electrode tab structure is configured to be abutted against a welding platform. A difference between a highest point and a lowest point of a metallographic section of the first end face in a first direction being H1, a difference between a highest point and a lowest point of a metallographic section of the second end face in the first direction being H2, and H1≤H2.
Resumen de: US20260088355A1
A non-aqueous electrolyte solution for a secondary battery, a secondary battery, and an electrical apparatus are described. The non-aqueous electrolyte solution for a secondary battery of the present application comprises an additive and a non-aqueous solvent, the non-aqueous solvent comprises dimethyl carbonate, and the additive comprises a cyclic sulfate compound as represented by formula (I);
Resumen de: US20260088346A1
A solid electrolyte material contains Li, Sn, M1, and F, where M1 is at least one selected from the group consisting of Al, Y, Zr, Ti, and Mg. A battery includes: a positive electrode; a negative electrode; and a separator layer between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the separator layer contains the solid electrolyte material.
Resumen de: US20260088324A1
A secondary battery degassing includes a first rolling press on which a plurality of first pressing rollers are mounted at a predetermined interval; a second rolling press which is disposed to face the first rolling press and on which a plurality of second pressing rollers are mounted at a predetermined interval; a first driving device configured to allow a distance between the first rolling press and the second rolling press to vary; and a second driving device driven to allow the first pressing roller and the second pressing roller to rotate. The first pressing roller and the second pressing roller is in rolling contact with the secondary battery disposed between the first rolling press and the second rolling press to press the secondary battery.
Resumen de: US20260088356A1
A secondary battery and an electrical apparatus are described. The secondary battery of the present application comprises an electrolyte solution; the electrolyte solution comprises a solvent and an additive; the solvent comprises ethylene carbonate; the additive comprises 1,3-propane sultone and fluoroethylene carbonate; the percentage mass content of the ethylene carbonate in the electrolyte solution is x %, the percentage mass content of the 1,3-propane sultone in the electrolyte solution is y %, and the percentage mass content of the fluoroethylene carbonate in the electrolyte solution is z %; and the x, the y, and the z satisfy: 10≤x/y≤950 and 2≤x/z≤10.
Resumen de: US20260088359A1
The present application provides an additive composition, as well as an electrolytic solution and a battery thereof, wherein the additive composition comprises a first additive and a second additive; the first additive comprises a compound having a structure represented by formula 1, and the second additive comprises a silane additive.
Resumen de: US20260088358A1
Provided are an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes a first additive, a second additive, and a third additive. The first additive includes a compound represented by formula 1:where: R1 is selected from C atom or O atom; R2 is selected fromR3 is selected from methylene,R4 is selected fromand at least one of R2, R3, and R4 contain sulfur atom. The second additive includes at least one of a compound represented by formula 2 or a compound represented by formula 3:where X includes P atom or B atom. The third additive includes a compound represented by formula 4: R—N—C—O formula 4, where R includes at least one of alkyl, O═C═N-substituted alkyl, cycloalkyl, O—C—N-substituted cycloalkyl, aryl, or O—C—N-substituted aryl.
Resumen de: US20260088343A1
A method for manufacturing composite ceramic electrolyte particles with hydrophobic protective layers for a battery electrode includes the steps of: placing a plurality of first LLZO particles, a methanol and a plurality of hydrophobic particles into a wet mixer for mixing; then placing a tris material and a tris(hydroxymethyl)aminomethane hydrochloride into the wet mixer for stirring to cause each of the first LLZO particles and the hydrophobic particles is coated with a hydroxide ion layer; and then placing a dopamine hydrochloride into the wet mixer for mixing to cause dopamine molecules of the dopamine hydrochloride are co-polymerized to form a dopamine layer coated on the hydroxide ion layer on the corresponding first LLZO particle or hydrophobic particle, and the first LLZO particles having the dopamine layer are coated with corresponding hydrophobic particles having the dopamine layer to form composite LLZO particles.
Resumen de: US20260088336A1
The present invention relates to an electrochemical cell comprising an anode, a polymer electrolyte and an NMC type cathode active material. The polymer electrolyte comprises an electrolyte composition, preferably comprising a deep eutectic solvent (DES), and a polymer network having a polyacrylamide backbone.
Resumen de: US20260088357A1
A non-aqueous electrolyte, a secondary battery and an electric device are described. The non-aqueous electrolyte comprises additives; the additives comprise a first additive and a second additive; the first additive is any one or more cyclic sulfate compounds having a structure represented by general formula (I);the second additive is an organic base additive; the organic base additive comprises any one or more of groups consisting of 5-12 membered aromatic heterocyclic organic bases or 5-12 membered aliphatic heterocyclic organic bases; ring structures in the 5-12 membered aromatic heterocyclic organic bases and the 5-12 membered aliphatic heterocyclic organic bases contain nitrogen atoms.
Resumen de: US20260088354A1
The present application discloses an electrolyte solution for a lithium secondary battery, a secondary battery, and an electrical device. The electrolyte solution for a lithium secondary battery includes a sulfate and fluorosulfonate ions, and a molar ratio of the sulfate to the fluorosulfonate ions is (8-223):1.
Resumen de: US20260088352A1
An electrochemical cell (such as a battery) that provides, inter alia, improved cycling efficiencies, by utilizing an electrolyte and a plurality of electrodes (including at least one metal electrode) where the electrolyte includes one or more solvents, one or more salts, and one or more additives, and at least one of the additives is a heterocyclic compound.
Resumen de: US20260088353A1
The present disclosure relates to a lithium-ion secondary battery. The battery comprises a negative electrode plate, comprising a negative electrode active material which comprises a silicon-carbon material. the silicon-carbon material comprises a porous carbon substrate and a silicon material distributed within pores of the porous carbon substrate; and the sphericity of the silicon-carbon material is denoted as Q, with the sphericity Q being 0.5-1. the electrolyte solution comprises a carboxylate ester solvent and a sulfur-containing heterocyclic compound, wherein the mass percentages of the carboxylate ester solvent and the sulfur-containing heterocyclic compound are denoted as E % and S %, respectively, based on the total mass of the electrolyte solution; and E and S satisfy 10≤E/S≤100, which can enable lithium-ion batteries to have a good kinetic performance, a higher energy density, a better cycling stability and a better thermal safety performance.
Nº publicación: US20260088350A1 26/03/2026
Solicitante:
UIF UNIV INDUSTRY FOUNDATION YONSEI UNIV [KR]
UIF (University Industry Foundation), Yonsei University
Resumen de: US20260088350A1
The present invention relates to a polymer electrolyte for lithium secondary batteries, a method for manufacturing the same, and a lithium secondary battery comprising the same. More specifically, the polymer electrolyte composition for lithium secondary batteries of the present invention has the advantage of being able to secure excellent ionic conductivity at room temperature and excellent electrochemical stability by mixing a polymer resin including a monomer having one or more double bonds, a lithium salt, and an initiator with a specific dispersant that does not dissolve the polymer resin and lithium salt but has excellent dispersibility, and then polymerizing the mixture to prepare a polymer electrolyte, thereby lowering the crystallinity within the polymer electrolyte. Furthermore, by applying this to a lithium secondary battery, the full capacity of the active material in the battery can be exhibited, thereby significantly improving charge/discharge efficiency, Coulombic efficiency, specific capacity, and cycle life characteristics.
BOPI
Sede Electrónica
