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1301
resultados
Última actualización
04/03/2026 [07:30:00]
Resultados 25 a 50 de 1301
Resumen de: WO2026041216A1
The invention relates to a method for recycling batteries, comprising the following steps: - providing mixed material which comprises solids and electrolyte from comminuted batteries, - separating electrolyte from mixed material introduced into a separating unit (16), and - implementing pyrolysis at a temperature in a range from 150°C to 800°C. The invention also relates to an apparatus (10) for carrying out such a method.
Resumen de: WO2026041249A1
The invention relates to a battery housing component or an underride guard (1) having a sandwich structure, to a traction battery comprising the battery housing component, and to a method for producing the battery housing component.
Resumen de: WO2026040053A1
A carbon-coated sodium vanadium fluorophosphate positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The carbon-coated sodium vanadium fluorophosphate positive electrode material comprises a core layer and a shell layer, wherein a material of the core layer comprises sodium vanadium fluorophosphate, and a material of the shell layer comprises carbon. The carbon-coated sodium vanadium fluorophosphate positive electrode material has a mass fraction of carbon of 1.8%-3%, a D50 particle size of 3 μm-10 μm, and a compaction density of between 1.8 g/cm3 and 2.1 g/cm3. The carbon-coated sodium vanadium fluorophosphate positive electrode material has improved performance in terms of electron conductivity, etc., and sodium-ion batteries fabricated therefrom exhibit good electrochemical performance such as rate performance.
Resumen de: US20260058191A1
A bipolar battery cell including A anode/bipolar current collectors comprising an aluminum foil layer. A first side of the aluminum foil layer includes lithium-aluminum alloy sublayer and a second side of the aluminum foil layer includes unreacted aluminum sublayer. S separators include a first side arranged adjacent to the first side of a corresponding one of the A anode/bipolar current collectors. C cathode active material layers include a first side arranged adjacent to the second side of a corresponding one of the A anode/bipolar current collectors and a second side arranged adjacent to the second side of a corresponding one of the S separators. A, C, and S are integers greater than one.
Resumen de: US20260058186A1
A high-speed stacking apparatus for battery cell elements, and more particularly, a high-speed stacking apparatus for battery cell elements that includes a separator folder that folds and feeds a separator in a zigzag manner to a stack table while a side thereof rotationally reciprocates is disclosed.
Resumen de: US20260058160A1
Positive electrode particles include a positive electrode active material layer having positive electrode active material particles, and a solid electrolyte layer surrounding the positive electrode active material layer, and having solid electrolyte particles, wherein the average size of the solid electrolyte particles is 10 to 20% of the average size of the positive electrode active material particles.
Resumen de: US20260058162A1
Disclosed is an all-solid-state battery (ASSB) comprising an anode layer, an anode protective layer, a solid electrolyte layer, and a cathode layer in the order, wherein the anode protective layer comprises a carbonaceous material and a particle of a lithiophilic material at least partially coated by a carbon layer doped with nitrogen. In some embodiments, the ASSB comprising the anode protective layer exhibits an improved electrochemical performance.
Resumen de: US20260058193A1
A sulfide-based solid electrolyte represented by the formula Li4P1-xSixS4-xHaxI (wherein Ha is one or both of Cl, Br and I, and 0.05
Resumen de: US20260058163A1
The present disclosure improves a short-circuit reduction or suppression effect of a non-aqueous electrolyte rechargeable battery more effectively by reducing or suppressing exposure of a positive electrode current collector when pierced by a foreign substance such as a nail. Example embodiments include a positive electrode for a non-aqueous electrolyte rechargeable battery including a positive electrode current collector, a positive electrode mixture layer, an intermediate layer between the positive electrode current collector and the positive electrode mixture layer.
Resumen de: US20260058194A1
The present invention is an invention for improving the air stability of a typical sulfide-based solid electrolyte, and relates to a solid electrolyte having a composition represented by Formula 1 described herein, a method for preparing the same, and an all-solid-state battery including the same.
Resumen de: US20260058145A1
One embodiment of the present invention provides a nonaqueous electrolyte secondary battery which comprises a positive electrode that contains a lithium-containing transition metal composite oxide and a sulfonic acid compound that is present on the surfaces of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). With respect to this nonaqueous electrolyte secondary battery, a negative electrode comprises a negative electrode core body and a negative electrode mixture layer that is formed on the surface of the negative electrode core body; and the 1% proof stress of the negative electrode core body is 300 MPa or more.(In the formula, A represents a group 1 element or a group 2 element; R represents a hydrocarbon group; and n is 1 or 2.)
Resumen de: US20260058139A1
Disclosed are a secondary battery and an electrochemical device. The secondary battery includes a positive electrode sheet, a negative electrode sheet, a separator and an electrolyte; where the positive electrode sheet includes a positive electrode current collector and a positive electrode active material layer arranged on the positive electrode current collector, the positive electrode active material layer includes a positive electrode active material having a particle size distribution curve including a first peak and a second peak; the secondary battery satisfies: 0.22≤K≤2.13, and K=Dn50×(Dv90−Dv10)/Dv50; based on that a sum of an area proportion of the first peak and an area proportion of the second peak is 100%, the area proportion of the first peak is S1%, the area proportion of the second peak is S2%, and R=S1/S2, 0.25≤R≤2.33.
Resumen de: US20260058140A1
The disclosed method is directed to the manufacture of thick lithium-ion rechargeable battery electrodes, including both anodes and cathodes, with an aqueous process. This thick Li-ion electrode process will form thick electrodes by simultaneously coating materials on both sides of current collectors, using aqueous binder materials, high solid ratios in the range of 70% to 80%, and metal meshes as current collectors instead of metal foils. The electrodes can be formed simultaneously with coating on both sides of metal mesh surfaces instead of coating one side once and then a second time on another side of metal foil surfaces. Water-based and without solvent involved in the process for producing both anodes and cathodes, improves safety, and reduces the cost of equipment and energy for drying electrodes.
Resumen de: US20260058137A1
The present invention relates to a positive electrode active material and a lithium secondary battery comprising the same. More specifically, the present invention relates to a positive electrode active material comprising a lithium transition metal oxide of a Mid-Ni type having a relatively low nickel content, in which the content of fine powder in the positive electrode active material is controlled and the particle size distribution of the lithium transition metal oxide included in the positive electrode active material is adjusted, thereby improving capacity and lifetime characteristics and providing enhanced operational properties at high voltage.
Resumen de: US20260058135A1
The present invention relates to a positive electrode active material and a lithium secondary battery comprising the same. More specifically, the present invention relates to a positive electrode active material comprising a lithium manganese oxide in which lithium and manganese are present in excess, having an improved energy density per unit volume, and a lithium secondary battery comprising the same, thereby exhibiting enhanced electrochemical characteristics.
Resumen de: US20260058161A1
The present invention provides an lithium-ion battery comprising a cathode electrode, an anode electrode, electrolyte and a housing, wherein the cathode electrode includes a cathode collector and a cathode active material coated thereon, the anode electrode includes an anode collector and an anode active material coated thereon, wherein the cathode electrode and the anode electrode face each other, and at least one of surfaces of the cathode electrode and the anode electrode that face each other has an electrode ceramic coating, and wherein the lithium-ion battery does not comprise a tab. The ceramic coating can replace the battery separator membrane in the conventional sense, and can improve the cycle life and the thermal stability of the lithium-ion battery. Thus, the design of the lithium-ion battery without tabs is more feasible.
Resumen de: US20260058190A1
A high-voltage alkali battery, comprising a plurality of unit cells each comprising: (a) a cathode comprising (i) a cathode current collector; and (ii) a cathode active layer bonded to a first portion, but not a second portion, of the current collector, wherein the cathode active layer comprises a mixture of a cathode active material, a binder, a conducting additive, and a non-flowable electrolyte; (b) an anode; and (c) a separator layer, wherein the cathode, separator, and anode layer are laminated and wound into a unit cell roll with the cathode end having the second portion being protruded out and the anode end having the second portion being protruded out; wherein the unit cells are internally connected in such a manner that the second portion of the cathode of a first unit cell roll is in electronic contact with the second portion of the anode of a second unit cell roll.
Resumen de: US20260058192A1
A glass solid electrolyte comprising lithium, phosphorus, sulfur and halogen comprising at least bromine as constituent elements, wherein a molar ratio (Li/P) of the lithium (Li) to the phosphorus (P) is 2.0 to 5.3, a molar ratio (S/P) of the sulfur (S) to the phosphorus (P) is 2.0 to 4.5, and a molar ratio (X/P) of the halogen (X) to the phosphorus (P) is 0.7 to 2.3, and the glass solid electrolyte shows peaks derived from lithium bromide in powder X-ray diffraction using CuKα ray.
Resumen de: US20260058157A1
A negative electrode includes a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material and a conductive agent, wherein the negative electrode active material includes a silicon-based active material, the silicon-based active material includes SiOx (0≤x<2), the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded side by side, and the carbon nanotube structure is included in an amount of 0.01 wt % to 1.0 wt % in the negative electrode active material layer. A secondary battery including the negative electrode, and a method of preparing same are also provided.
Resumen de: US20260058188A1
A pouch secondary battery is disclosed. One aspect of the present invention provides a pouch secondary battery including a casing configured to accommodate an electrode assembly from which electrode tabs are led; and the casing includes a sealing portion formed on three sides of four sides of the pouch secondary battery and an adhesion portion formed on the remaining one side; and an extending portion protruding perpendicularly with respect to the adhesion portion is formed in a portion adjacent to the adhesion portion in the sealing portion.
Resumen de: US20260058133A1
A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer including a first cathode active material layer and a second cathode active material layer sequentially stacked on the cathode current collector. The first cathode active material layer includes first cathode active material particles having a secondary particle structure, and the second cathode active material layer includes second cathode active material particles having a single particle shape. A ratio of a SPAN value of the second cathode active material particles relative to a SPAN value of the first cathode active material particles is in a range from 2 to 4.5.
Resumen de: US20260058136A1
A method for manufacturing a solid electrolyte-electrode composite includes: immersing an electrode in an electrolyte precursor composition comprising a photo-crosslinkable monomer comprising three or more acrylate groups, initiator, a lithium salt and an organic solvent; photocuring the electrode immersed in the electrolyte precursor composition to form a polymer electrolyte membrane; and thermal curing the electrode at which the polymer electrolyte membrane is formed, a solid electrolyte-electrode composite, not showing a peak in a wavenumber region of 1,700 cm−1 to 1,600 cm−1 by Fourier Transform Infrared Spectroscopic analysis, and an all-solid battery comprising the solid electrolyte-electrode composite.
Resumen de: US20260058134A1
A negative electrode for a lithium ion secondary battery can improve charging performance and long life of the battery. The negative electrode for a lithium ion secondary battery includes a negative electrode current collector, a negative electrode active material layer laminated on the negative electrode current collector, in which the negative electrode active material layer includes a negative electrode first active material layer laminated on the negative electrode current collector and a negative electrode second active material layer laminated on the negative electrode first active material layer, in which the negative electrode first active material layer includes a negative electrode first active material, and the negative electrode second active material layer includes a negative electrode second active material, and in which a BET specific surface area of the negative electrode second active material is larger than the BET specific surface area of the negative electrode first active material.
Resumen de: US20260058132A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode are provided. The negative electrode includes a current collector and a negative electrode active material layer formed on at least one surface of the current collector, wherein the negative electrode active material layer includes a first negative electrode active material layer and a second negative electrode active material layer, which are sequentially arranged on the current collector, and satisfies Expression 1:Averageinclinationangleoffirstnegativeelectrodeactivemateriallayer
Nº publicación: US20260058159A1 26/02/2026
Solicitante:
FORMOSA SMART ENERGY TECH CORP [TW]
FORMOSA SMART ENERGY TECH CORPORATION
Resumen de: US20260058159A1
A negative electrode interface modification material for a cell is provided. The negative electrode interface modification material comprises succinonitrile, a polymer, a lithium salt, and an additive. A lithium-ion solid-state cell comprising the negative electrode interface modification material is also provided.
BOPI
Sede Electrónica
