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659
resultados
Última actualización
03/08/2026 [08:20:00]
Resultados 300 a 325 de 659
Resumen de: WO2026156599A1
Disclosed are a battery device (100), an energy storage device (1), an energy storage system, an electric device, and a charging network. The parallel units (20) of the battery device (100) each comprise a plurality of pouch-shaped battery cells (21) connected in parallel; a parallel circuit is formed between at least two pouch-shaped battery cells (21); one of thermally conductive casings (10) correspondingly accommodates the plurality of pouch-shaped battery cells (21) in one parallel unit (21); a series unit (30) comprises pouch-shaped battery cells (20) that are connected in series to form a series circuit and are respectively located in the plurality of parallel units (20); current limiting members (40) are each provided on any parallel circuit, located outside the series circuit and used for limiting the current of the corresponding parallel circuit (20).
Resumen de: WO2026160768A1
Provided is a method for preventing separator slippage of a battery cell stopped by a stopper in a manufacturing line, the method comprising the steps of: transferring the battery cell in a longitudinal direction in the manufacturing line so that a terminal tab of the battery cell is parallel to the moving direction of the manufacturing line; and controlling acceleration at which the battery cell moves on the manufacturing line to be less than 7G so that separator slippage is prevented upon impact between the battery cell and the stopper.
Resumen de: US20260221429A1
0000 Disclosed is a positive electrode and a lithium secondary battery including the positive electrode, the positive electrode including a positive electrode active material and a carbonate-containing compound containing a fluorine-containing functional group in an active material layer. In a C Is spectrum by X-ray photoelectron spectroscopy (XPS) analysis, intensities of peaks satisfy a certain ratio, and, since the positive electrode has excellent resistance characteristics and suppresses degradation, life characteristics may be improved. The lithium secondary battery has improved resistance characteristics, and since degradation of the positive electrode and negative electrode may be suppressed to prevent a sudden drop in capacity, life characteristics may also be improved.
Resumen de: US20260221559A1
0000 A cylindrical battery comprises an electrode body, an exterior can having a bottomed cylindrical shape, and a cap. The cap has: an annular covering part which covers at least a portion of the outer surface of a shoulder of the exterior can; a cylindrical part which extends in a substantially axial direction; and a groove arrangement part, at least a portion of which is in contact with an axial top surface of the outer surface of a grooved part of the exterior can and a tip of which is arranged in a groove defined by the grooved part.
Resumen de: US20260218033A1
A curable composition comprising an epoxy resin, a thermally conductive filler, an amine compound (X) having two or more amino groups, and a polyfunctional acrylate compound, the amine compound (X) having a viscosity of 20 Pa·s or less measured at 25° C. and 10 rpm using an E-type viscometer or having an oxyalkylene structure, a content of the amine compound (X) with respect to a total amount of resin components being 15 mass % or more and 55 mass % or less.
Resumen de: US20260221601A1
0000 A disclosed nonaqueous electrolyte secondary battery includes a positive electrode (11), a negative electrode (12), a separator (50) provided between the positive electrode (11) and the negative electrode (12), and a spacer (53) provided in at least one region selected from the group consisting of a region between the positive electrode (11) and the separator (50) and a region between the negative electrode (12) and the separator (50). The negative electrode (12) is a negative electrode in which a metal used as a negative electrode active material deposits during charging and the metal dissolves during discharging. The spacer (53) contains a resin and a filler. The resin contains a cellulose-based compound.
Resumen de: US20260221444A1
A positive electrode active material according to the present invention has a crystalline structure belonging to the space group R-3m, and is represented by the compositional formula LiαNaβNi1−b−cMnbXcOd, wherein X is at least one element selected from the group consisting of representative elements and transition metal elements other than Li, Na, Ni, and Mn, 0.80<α≤1.20, 0<β≤0.20, 0.80<α+β≤1.20, 0<1−b−c≤1, 0≤b<1, 0≤c<1, and d is a value that satisfies electrical neutrality. The ratio I101/I012 of the integrated intensity I101 of a diffraction peak in the (101) plane to the integrated intensity I012 of a diffraction peak in the (012) plane of an X-ray diffraction pattern obtained through powder X-ray diffraction of the positive electrode active material is less than 2.2.
Resumen de: US20260221490A1
0000 A lithium secondary battery includes: a wound electrode group having a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; a core member disposed in a hollow of the electrode group; and a nonaqueous electrolyte having lithium ion conductivity. At the negative electrode, lithium metal deposits during charging, and the lithium metal dissolves during discharging. The core member has a hollow tubular shape, and has a slit extending in an axial direction, with both end portions in a circumferential direction that regulate the slit being misaligned without abutting each other.
Resumen de: US20260221446A1
A cathode material can include a substrate including an active cathode material and a coating overlying at least a portion of the substrate. The coating material may include CFx and M2CO3, wherein M may include an alkali metal. In a particular embodiment, the coating may include MF. In another particular embodiment, M may include Li.
Resumen de: US20260221449A1
The present embodiments relate to a negative electrode active material, a method for manufacturing the same, a negative electrode comprising the same, and a lithium secondary battery comprising the same. The negative electrode active material includes a core portion comprising at least one coarse graphite particle having an average particle diameter (D50) ranging from 5 to 20 μm and at least one fine graphite particle having an average particle diameter (D50) of less than 5 μm, wherein the fine graphite particles account for from 5 wt % to 30 wt % based on the total weight of the coarse graphite particles and the fine graphite particles.
Resumen de: US20260221453A1
0000 An electrode includes: a substrate; a first active material layer and a first insulating layer that are disposed on one surface of the substrate; and a second active material layer and a second insulating layer that are disposed on the other surface of the substrate. The first insulating layer and the second insulating layer have different colors.
Resumen de: US20260221460A1
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a nonaqueous electrolyte, and a separator provided between the positive electrode and the negative electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material layer carried on the positive electrode current collector. The positive electrode active material layer contains a positive electrode active material, a binder, and an additive. The additive is a polymer material having a melting point or thermal decomposition temperature of 200° C. or higher and 500° C. or lower. In a cross section of the positive electrode active material layer, the polymer material forms and is dispersed as a plurality of island-shaped regions. The variance of a Voronoi diagram is 2×107 μm4 or less, the Voronoi diagram being obtained by Voronoi tessellation of the cross section of the positive electrode active material layer for the island-shaped regions.
Resumen de: US20260221420A1
The present invention relates to a zinc electrode (100) on which a solid metallic zinc layer (300) is electrodeposited, an electrochemical cell and a method for zinc electrodeposition in the electrochemical cell. According to the invention, a zinc electrode (100) is provided, wherein the zinc electrode (100) comprises a current collector material (200) on which a zinc layer (300) is electrodeposited, wherein the zinc layer (300) appears as compact solid metal, comprises a boulder-like and/or layerlike microstructure, and is adherent with a compact porosity.
Resumen de: US20260221612A1
A battery cell, a cylindrical battery, and an electrical device are provided. The battery cell includes a wound battery cell body. The wound battery cell body includes a first electrode plate, a second electrode plate, and a separator that are wound. The electrode plate includes an electrode plate body and an active substance layer. The electrode plate body includes a coating region and a bare foil region connected to a side of the coating region in a winding axial direction. The active substance layer is covered on the coating region. At least a part of the bare foil region is suitable for being bent into a tab portion, and the tab portion includes a plurality of first tab groups spaced apart in a winding circumferential direction.
Resumen de: US20260217992A1
0000 A carbon material dispersion may reduce a wide range of microorganisms, such as bacteria, molds, and yeasts, without adversely affecting other blending components, have high antiseptic and antibacterial effects, and high durability with a small amount over a long period of time under any environment, and thereby achieve both high dispersibility and storage stability. A slurry composition for a negative electrode for a secondary battery may use the dispersion, which is suitable for producing a battery such as a lithium ion battery and an electrode. Such a carbon material dispersion may contain at least a carbon material containing carbon nanotubes, a dispersant, a preservative, and a liquid medium. The preservative may contain a triazine-based compound and at least one of: a iodopropargyl-based, pyridine-based, pyrithione-based, oxyquinoline-based, benzothiazole-based, isothiazoline-based, and/or dithiol-based compound
Resumen de: US20260217476A1
0000 A feeding apparatus comprises a material rack, a workpiece conveyor line, and a transfer mechanism, wherein the material rack is provided with at least two layers of bearing portions, which are arranged in sequence at intervals in a first direction, the bearing portions on the same layer define a workpiece bearing space for accommodating a workpiece, and the bearing portions can perform reciprocating motion in the first direction along with the material rack; the workpiece conveyor line is used for conveying the workpiece, the conveying path of the workpiece conveyor line extending in a second direction that intersects with the first direction; and the transfer mechanism is configured to enter and exit the workpiece bearing space, the transfer mechanism being used for transferring the workpiece from the workpiece bearing space to the conveying path of the workpiece conveyor line.
Resumen de: US20260216735A1
0000 The various embodiments of the present invention provide a system and method for segregation of materials from shredded Lithium-ion batteries. The embodiments also provide an integrated mechanism to segregate metal, polymer and black-mass from shredded Lithium-ion batteries. The present invention provides a system for classification and segregation of shredded material from Lithium-ion batteries through agitation and density separation processes. The system is designed to perform three tasks in a sequential manner: firstly, to open up the layers of batteries i.e., to separate the layers of the different material; secondly, to separate the polymers and black-mass from the layers; and, thirdly to separate the foils of the batteries into low/high density material, suspension and by brittleness of material. The invention provides a system for an optimized separation and segregation of a plurality of materials from shredded Lithium-ion batteries.
Resumen de: US20260217545A1
The invention relates to a process for preparing composite particles, the process comprising the steps of: (a) providing a plurality of porous particles in a pressure reactor; (b) contacting the plurality of porous particles with a silicon precursor gas at conditions effective to cause deposition of silicon in the pores of the porous particles to provide composite particles comprising a porous particle framework and elemental silicon within the pores of the porous particle framework; and (c) during step (b), withdrawing an effluent gas from the pressure reactor, wherein the silicon precursor gas is introduced into the pressure reactor continuously.
Resumen de: US20260216733A1
0000 The various embodiments of the present invention provide provides a single integrated system that is designed to shred Lithium-ion batteries and handle all the associated complex processes and effects. The present invention also provides a system for classification of shredded material. The system comprises a hourglass shaped apparatus and the shredder is placed at the neck of the apparatus. The upper bulb of the hourglass shaped apparatus is electrically heated/cooled using submerged water heater/chillers. and comprises a chamber at the top for collecting exhaust gases. The lower bulb of the hourglass shaped apparatus includes a screen placed at the middle of the chamber with a tilt and a shaking mechanism. This is a sieve arrangement, and it is used for classification of undersized and oversized material. The gases exhausted during shredding operation are collected at top and are sent to a scrubber to neutralize any acidic gases.
Resumen de: US20260221798A1
A battery pack includes a housing and at least one battery cell located within the housing, a charging and discharging port disposed on the housing, the charging and discharging port is provided with a connection terminal, the connection terminal is configured to be connected to the battery cell; the external device is configured to be connected to the battery cell through the charging and discharging port and configured to charge or obtain electrical energy from the battery cell; the battery pack is discharged at a continuous discharge rate of greater than or equal to 4 C at normal temperature, the absolute temperature of the battery pack is less than the charging protection temperature when the discharge process is completed.
Resumen de: US20260221615A1
0000 There is disclosed herein a cylindrical secondary cell (1), comprising a cylindrical enclosure (2) comprising a first enclosure end (2a ), a second enclosure end (2b ) and an enclosure sidewall (2c ) extending between the enclosure ends (2a , 2b ), wherein at least one enclosure end (2b ) is open. The 5 cell further comprises an electrode roll (20), a lid (10), and a current collector disc arranged between the lid and the electrode roll (20) and in direct electrical contact with the electrode roll (2). The cylindrical enclosure (2) comprises a flat flange section (2f ) extending from the enclosure sidewall (2c ) at the open enclosure end (2b ), and the radially outermost portion of the lid 10 (10 ) is configured to abut and match the flat flange section of the cylindrical enclosure, and is welded to said flat flange section (2f ).
Resumen de: US20260217535A1
Provided are a positive electrode material and a preparation method thereof, and a lithium ion battery. The preparation method includes: performing first mixing on a first lithium source, a metal phthalocyanine complex, a first manganese source, and a first phosphorus source to obtain a first mixed system containing a seed crystal; performing second mixing on the first mixed system, a second lithium source, an iron source, a second manganese source, and a second phosphorus source to obtain a second mixed system containing a precursor; and sintering the second mixed system in a protective atmosphere to obtain a positive electrode material, where a molar ratio of the first lithium source, the first manganese source, and the first phosphorus source is a1:x1:1, a1 is 1.01 to 1.03, and x1 is 0.5 to 0.8; and a molar ratio of the second lithium source, the iron source, the second manganese source, and the second phosphorus source is a2:(1−x2):x2:1, a2 is 1.03 to 1.10, and x2 is 0.5 to 0.8. The positive electrode material has excellent compaction density and structural stability.Provided are a positive electrode material and a preparation method thereof, and a lithium ion battery. The preparation method includes: performing first mixing on a first lithium source, a metal phthalocyanine complex, a first manganese source, and a first phosphorus source to obtain a first mixed system containing a seed crystal; performing second mixing on the first mixed system, a second lithium source,
Resumen de: US20260219238A1
Aspects of the present disclosure are directed to a suite of testing apparatuses and non-destructive, acoustic inspection methods for scanning and inspecting batteries to determine and characterize various physical phenomena in these batteries. In one aspect, a rastering system for non-invasive and acoustic inspection of battery cells includes a holder for placing a battery cell inside the system for the acoustic inspection, at least one transducer configured to perform acoustic measurements on the battery cell, and a controller configured with inspection parameters for performing the acoustic measurements, the inspection parameters being dynamic and interchangeable depending on at least one or more of a shape, a size, and a form factor of the battery cell.
Resumen de: US20260217489A1
0000 The disclosure provides a material strip tension adjusting mechanism and a stacking machine. The material strip tension adjusting mechanism includes: a moving mechanism; a bracket including a fixed bracket and a movable bracket, the fixed bracket being provided on the moving mechanism; an elastic member, a first end of the elastic member connected to the fixed bracket, and a second end of the elastic member connected to the movable bracket; a first clamping assembly including a first clamping member; and a second clamping assembly which is provided on the movable bracket.
Nº publicación: US20260221607A1 30/07/2026
Solicitante:
ZHEJIANG LIWINON ENERGY TECH CO LTD [CN]
ZHEJIANG LIWINON ENERGY TECHNOLOGY CO., LTD.
Resumen de: US20260221607A1
0000 A battery cell, comprising: a current collector assembly comprising a main body and current collector tabs, wherein the main body is provided with a connecting end surface, each current collector tab comprises a first portion and a second portion which are connected to each other, the first portion is connected to the connecting end surface, the second portion protrudes from the first portion in the thickness direction of the main body, and the first portion, the second portion and the main body together define a groove; and metal strip tabs each comprising a protruding portion, a connecting portion and a body portion, wherein the connecting portion is connected to the body portion and protrudes from the body portion in the thickness direction of the main body, and the protruding portion is connected to the connecting portion and protrudes from the connecting portion in the width direction of the main body.
BOPI
Sede Electrónica
