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574
resultados
Última actualización
15/09/2026 [08:53:00]
Resultados 425 a 450 de 574
Resumen de: US20260265540A1
Coating compositions having fire retardance and controlled expansion are disclosed, as are methods for using such compositions and substrates coated with same.
Resumen de: US20260269417A1
0000 A battery includes an electrode assembly; a housing accommodating the electrode assembly through an open portion on a side; a cap covering the open portion; and a frame including a gas passing portion configured to allow gas generated in a second space accommodating the electrode assembly to flow into a first space. The first space is formed when the frame is coupled to an inner surface of the cap, spaced apart from the cap at least in part.
Resumen de: US20260269438A1
0000 The present disclosure discloses a battery cell and a battery pack and a vehicle including the same. The cylindrical battery cell includes an electrode assembly including a first electrode plate and a second electrode plate wound in a direction with a separator interposed between the first electrode plate and the second electrode plate; a battery can having an open portion to accommodate the electrode assembly and a partially closed portion on an opposite side, and electrically connected to the second electrode plate; a current collector plate electrically connected to the first electrode plate; a cell terminal connected to the current collector plate through a through-hole of the closed portion of the battery can; and an insulator having a center hole through which a bottom of the cell terminal is exposed, and interposed between the battery can and the current collector plate.
Resumen de: US20260269350A1
A method for grinding a sulfur compound is provided. The method satisfies a relationship D2/D1<0.49, wherein D1 represents the median diameter of the unground sulfur compound when the grinding includes only a single pass of grinding or, when the grinding includes two or more passes of grinding, the median diameter of the sulfur compound before any pass of grinding; and D2 represents the median diameter of the sulfur compound after grinding when the grinding includes only a single pass of grinding or, when the grinding includes two or more passes of grinding, the median diameter of the sulfur compound after the any pass of grinding.
Resumen de: US20260264116A1
Provided is a coating film removing mechanism for removing a coating film from a coated film that includes the coating film on at least one surface of a base film and is conveyed. The mechanism includes: a removing member that includes a tip portion extending in a film width direction, and is for removing the coating film by bringing the tip portion into contact with the coated film; and a nozzle member disposed on an upstream side of the removing member in a film conveyance direction. The removing member and the nozzle member constitute a suction nozzle that sucks the coating film removed by the tip portion, and a side surface of the removing member and a side surface of the nozzle member are inclined so as to approach each other toward the tip portion.
Resumen de: US20260269234A1
A positive electrode active material with a small decrease in discharging capacity in charging and discharging cycles is provided. The positive electrode active material contains cobalt, nickel, and oxygen. The proportion of nickel in the sum of the cobalt and the nickel, Ni/(Co+Ni), is greater than 0.175 and less than or equal to 0.215. When the positive electrode active material in a state of being charged to 4.5 V (vs. Li/Li+) is analyzed by powder X-ray diffraction using CuKα1 radiation, diffraction peaks are observed at at least two or more of 2θ±18.526±0.1°, 2θ=37.391±0.1°, 2θ=37.628±0.1°, 2θ=39.015±0.1°, 2θ=44.947±0.1°, 2θ=49.029±0.1°, and 2θ=58.857±0.1°.
Resumen de: US20260269425A1
A secondary battery and an electric apparatus. The secondary battery includes an electrolyte solution and a separator, the separator including a base film and a coating located on at least one side of the base film, where the secondary battery satisfies: 0.5≤G×H/(10×σ)≤13, G is a Gurley value of the base film, with a unit of s, H is a thickness of the coating, with a unit of μm, and σ is an electrical conductivity of the electrolyte solution at 25° C., with a unit of mS/cm.
Resumen de: US20260265858A1
An embodiment relates to a method for recovering metals from waste batteries by using a magnetic field-applied bioleaching process. According to one embodiment, applying a magnetic field to a bioleaching process improves the recovery rate of metals and leaching valuable metals. In addition, the method is environmentally friendly compared to a dry melting process or an acid leaching process, which has been mainly used for metal recovery, and is practical due to a simple process thereof. Therefore, the method for recovering metals of the present invention may recover metals from wastes in waste resources field such as waste batteries and waste catalysts and turn the metals into resources.
Resumen de: US20260269334A1
A sodium secondary battery and an electric device. The sodium secondary battery comprises a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a negative electrode film layer, the negative electrode film layer containing calcium; and the electrolyte comprises a first component, the first component being a fluorocarbonate compound.
Resumen de: US20260269380A1
The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a casing and an electrode assembly. The casing includes a first casing wall and a second casing wall which are oppositely arranged in a first direction, and an area of a second outer surface of the second casing wall is smaller than or equal to an area of a first outer surface of the first casing wall. The electrode assembly is accommodated in the casing and includes a body part and a first tab, the body part is located between the first casing wall and the second casing wall in the first direction, the first tab extends out from at least one end of the body part in a second direction, and the second direction intersects with the first direction.
Resumen de: US20260269275A1
0000 A secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a positive electrode current collector, an undercoating layer, and a positive electrode active material layer, where the undercoating layer is disposed between the positive electrode current collector and the positive electrode active material layer. The undercoating layer includes an inorganic metal oxide, where element M in the inorganic metal oxide includes at least one of Al, Ti, Sn, Sb, or Mg, and a mass percentage W1 of the inorganic metal oxide is from 55% to 99%. A first compound in the electrolyte includes at least one of fluorinated ethylene carbonate, difluorinated ethylene carbonate, or a compound represented by formula (I), formula (II), or formula (III), with a mass percentage of the first compound being a %, where 0.15≤a≤21.
Resumen de: US20260269379A1
Disclosed in the present application are a battery cell, a manufacturing method therefor, a battery and an electrical apparatus. The battery cell comprises an electrode assembly, a casing and a first electrode terminal. The casing is provided with an accommodating cavity, the Brinell hardness of the casing being greater than or equal to 30 HB. The electrode assembly is arranged in the accommodating cavity, a first tab being provided at the end part of the electrode assembly in a first direction. The first electrode terminal is partially arranged in the accommodating cavity and is connected to the first tab, the first electrode terminal penetrating through the casing and extending to the outer side of the casing.
Resumen de: US20260269426A1
A battery cell, a battery, and an electric device are provided. The battery cell includes a housing, an electrode assembly, an electrode lead-out member, and an insulating bracket. The electrode assembly is accommodated in the housing and includes a main body portion and a first tab extending from an end of the main body portion in a first direction. The electrode lead-out member is arranged on the housing and is electrically connected to the first tab. The insulating bracket is disposed in the housing and arranged with the main body portion in the first direction. A portion of the insulating bracket is located between the electrode lead-out member and the housing. The insulating bracket includes a first accommodating recess on a side facing the main body portion, and at least part of the first tab extends into the first accommodating recess.
Resumen de: US20260269215A1
The present application provides a hard carbon, a preparation method, a secondary battery, and an electrical apparatus. Based on the total mass of the hard carbon, the total mass ratio of water-soluble cations in the hard carbon does not exceed 500 ppm. The hard carbon can improve the viscosity of a negative electrode slurry and can improve the cycle performance of a battery.
Resumen de: EP4803654A1
0001 It is an object of the present invention to provide a novel coating material having heat resistance, adhesion resistance, durability, chemical resistance, low friction, and releaseability applied to a base material, and to provide a manufacturing method and manufacturing system for such a coating material. 0002 The present invention provides a ternary nanocoposite coating material comprising C-F-H or C-F-Si applied to a base material.
Resumen de: EP4803482A1
The present application provides a precursor and a preparation method thereof, a positive electrode material, a positive electrode plate, and a lithium-ion battery. The preparation method includes: mixing a plurality of first raw material components, and drying to obtain a first precursor MnxFeyMzPO4·nH2O, wherein the plurality of first raw material components include an iron source, a manganese source, a phosphorus source, an M source, and hydrogen peroxide. M represents a metal element, x is 0.10-0.95, y is 0.10-0.95, z is 0.01-0.10, the sum of x, y, and z is 0.95-1.06, and n is any integer from 0 to 10.
Resumen de: EP4804275A1
An electrolyte solution and a sodium-ion battery. The electrolyte solution comprises a sodium salt, an additive, and an organic solvent, wherein the sodium salt comprises sodium hexafluorophosphate and sodium bis(fluorosulfonyl)imide, and the additive comprises pentaerythritol bicyclic sulfate; and the electrolyte solution comprises: in percentage by mass, 2-15 wt% of sodium hexafluorophosphate, 0.1-20 wt% of sodium bis(fluorosulfonyl)imide, 0.1-5 wt% of pentaerythritol bicyclic sulfate, and the balance being an organic solvent. The electrolyte solution has relatively strong stability in a room-temperature or high-temperature environment, so that stringent environmental requirements in stages of the preparation, transportation, and storage of electrolyte solutions are reduced to a certain extent, the production cost can be effectively controlled, and when the electrolyte solution is applied to a sodium-ion battery, the cycling stability of the battery can be improved.
Resumen de: EP4804274A1
A battery comprises a positive electrode plate and an electrolyte solution, wherein the positive electrode plate has an XRD pattern comprising two diffraction peaks at 15°-20° and 40°-43°, with the peak intensity of the diffraction peak at 15°-20° being H1, and the peak intensity of the diffraction peak at 40°-43° being H2; the electrolyte solution comprises propylene carbonate, with the content by weight of propylene carbonate being A, based on the total weight of the electrolyte solution; and the battery satisfies: H1/H2 + A ≥ 0.6. The interfacial reactions of the battery can be reduced, thereby improving the cycling stability and storage performance of the battery.
Resumen de: EP4804256A1
0001 The present application provides a sodium secondary battery and an electric device. The sodium secondary battery comprises a negative electrode sheet and an electrolyte; the negative electrode sheet comprises a negative electrode film layer; the negative electrode film layer contains a silicon element; and the electrolyte comprises a first component, and the first component is a fluorinated carbonate compound. According to the sodium secondary battery, the volume expansion rate after high temperature storage of the battery can be reduced, and the cycling stability of the battery is improved.
Resumen de: EP4804276A1
0001 An electrolyte, a sodium secondary battery and an electric device. The electrolyte comprises a first additive, a second additive and a third additive, wherein the first additive comprises a cyclic ester compound containing a sulfuric acid group and/or a sulfurous acid group, the second additive comprises a difluorooxalate borate, and the third additive comprises a sultone compound containing a carbon-carbon double bond. The first additive, the second additive and the third additive are used in cooperation, such that not only can the stability of an SEI membrane be effectively improved, but a stable CEI membrane can also be formed, greatly reducing the gas production degree during a cycling process and storage process of a sodium secondary battery, thereby improving the storage performance, quick charge performance and cycling performance of the sodium secondary battery.
Resumen de: EP4804271A1
0001 A sodium secondary battery and an electrical apparatus. The sodium secondary battery comprises a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative electrode active material, the negative electrode active material, in a voltage range of 0.5 V-0.05 V, first discharges at a rate of 0.05 C, and then the ratio of actual specific discharge capacity measured using a three-stage stepwise discharge method to discharge at currents of 40 µA and 10 µA, to the total specific discharge capacity of the negative electrode active material, is a. The electrolyte comprises a first component, which comprises a compound represented by formula I. On the basis of the total mass of the electrolyte, the mass content of the first component is b, and a and b satisfy: 0.45≤a+b≤1.5. The sodium secondary battery has a decreased volume expansion rate after being stored at a high temperature, and exhibits improved charging performance at low temperatures and cycle stability.
Resumen de: EP4804290A1
0001 The present disclosure provides a liquid cooling assembly, a battery module, and a battery pack. The liquid cooling assembly includes a plurality of liquid cooling units arranged at even intervals. Each of the plurality of liquid cooling units is provided with a delivery pipe body, a pipe snap-fit base part, a pipe snap-fit assembly part, and a liquid cooling plate detachably connected to the delivery pipe body. The pipe snap-fit base part and the pipe snap-fit assembly part are disposed at two ends of the delivery pipe body, respectively. For two adjacent liquid cooling units of the plurality of liquid cooling units, the pipe snap-fit base part of one of the two adjacent liquid cooling units is in snap-fit engagement with the pipe snap-fit assembly part of the other one of the two adjacent liquid cooling units.
Resumen de: EP4804299A1
This cylindrical secondary battery (10) includes an electrode group (14), a current collector which is connected to the electrode group, a sealing body (19) which is disposed on the upper side of the electrode group and to which the current collector is connected, and a bottomed cylindrical battery can (20) which houses the electrode group. The sealing body is fixed to the inside of the opening-side end of the battery can in the axial direction, and closes the opening of the battery can. A cap (40) is attached to the opening-side end of the battery can. The cap has: a cylinder part (41) which has a female screw (43) on the inner peripheral surface; and a pressing plate part (42) that is continuous with one end of the cylinder part and is pressed against the outer side of the opening-side end of the battery can in the axial direction. The battery can has a male screw (53) on the outer peripheral surface. The battery can and the cap are screw-coupled with each other by means of the female screw and the male screw.
Resumen de: WO2025093437A1
Process for coating a cathode active material for lithium-ion batteries wherein said cathode active material comprises at least 50 mol-% nickel, referring to metals other than lithium, wherein said process comprises the steps of: (a) providing a cathode active material according to the general formula Li1+xTM1-xO2 wherein x is in the range of from zero to 0.2, TM is a combination of metals of which at least 95 mol-% are transition metals, and at least 50 mol-% of TM is nickel, and TM contains at least one of cobalt and manganese, (b) combining said cathode active material with an anhydrous solution of Zr(OR1)4, wherein R1 are same or differ- ent and selected from C2-C4-alkyl, straight chain or branched, (c) adding LiOH∙y H2O, wherein y is in the range of from 0.5 to 3.0, (d) removing the solvent(s), (e) treating the residue thermally at a temperature in the range of from 300 to 450°C.
Nº publicación: EP4804326A1 09/09/2026
Solicitante:
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd.
Resumen de: EP4804326A1
This cylindrical battery comprises: a winding-type electrode body (14); an outer can that has a bottomed cylindrical shape and that accommodates the electrode body (14); and a sealing body that closes the opening of the outer can, wherein a plurality of positive electrode leads connected to a positive electrode (11) of the electrode body (14) are included. The plurality of positive electrode leads include a main lead (20a) and two or more sub leads (20b, 20c). The main lead (20a) is connected to the sealing body, and the sub leads (20b, 20c) are connected to the main lead (20a) at a location away from the connection part between the main lead (20a) and the sealing body.
BOPI
Sede Electrónica
