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1313
resultados
Última actualización
30/10/2026 [08:09:00]
Resultados 325 a 350 de 1313
Resumen de: WO2025136733A1
The present disclosure is directed to systems and methods of producing disproportionated silicon oxide composite particles. The disproportionated silicon monooxide composite particles can be produced by mixing an alkali metal salt and/or an alkaline earth metal salt, a carbon precursor, a liquid medium, and silicon monooxide particles to form a precursor suspension. The precursor suspension can be heated to form a powder that includes disproportionated silicon monooxide particles having a coating comprising alkali metal and/or alkaline earth metal, wherein the disproportionation of the silicon monoxide is at least 30%.
Resumen de: WO2025132850A1
The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.
Resumen de: WO2025132851A1
The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.
Resumen de: WO2025132340A1
The present invention relates to a battery housing comprising an structural layer and an inner layer wherein the inner layer comprises a polyurethane coating, the polyurethane coating is obtainable by mixing (a) one or more organic polyisocyanates, (b) one or more compounds having at least two isocyanate-reactive hydrogen atoms, comprising polyetherpolyol (b1), (c) one or more catalysts, (d) 30 to 90 wt.-% based on the total weight of components a) to e), of solid flame retardant, and optionally fillers and/or polyurethane additives, to give a reaction mixture and allow the reaction mixture to cure. The present invention further relates to a method for the production of a battery housing according to the invention and a battery comprising a battery housing according to the present invention.
Resumen de: WO2025132786A1
The present disclosure relates to a continuous process and a production plant for preparing an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.
Resumen de: WO2025131417A1
A charger (100) for a vehicle, wherein at least one first charging circuit (140) and one second charging circuit (150) are connected between an input connection unit (110) and an output connection unit (120), wherein the second charging circuit (150) is connected at the input end to a switching element (160) which is designed to connect the second phase (L2) to the second charging circuit (150) via the input connection unit (110) in a first switch position and to connect a further phase (LW) of a V2L socket (170) to the second charging circuit (150) in a second switch position.
Resumen de: EP4831629A1
The present invention relates to a method for predicting electrochemical characteristics of a positive electrode active material for an all-solid-state battery, the method including: a first step of deriving an SEM (scanning electron microscope) image of the positive electrode active material for an all-solid-state battery in the form of secondary particles formed by aggregation of a plurality of primary particles; a second step of deriving, from the SEM image, an average radius of the primary particles and an average number of primary particles present in the secondary particle; a third step of deriving an average active area from the derived average radius of the primary particles and the average number of primary particles present in the secondary particle; and a fourth step of predicting rate characteristics of the all-solid-state battery from the derived average active area.
Resumen de: EP4832074A1
The present invention relates to a lithium metal negative electrode and a method for manufacturing the same, wherein the lithium metal negative electrode of the present invention includes a current collector, a lithium metal thin-film layer positioned on at least one surface of the current collector, and a film positioned on a surface of the lithium metal thin-film layer, and includes an organic layer disposed spaced apart in the lithium metal thin-film layer.
Resumen de: EP4832078A1
The present invention relates to a positive electrode active material for an all-solid-state battery and a method for manufacturing the same. Specifically, the present invention relates to a positive electrode active material for an all-solid-state battery, in which residual lithium impurities are reduced and washing damage is recovered by first surface-treating a primarily calcined and washed lithium transition metal oxide using Co(OH)2 and then secondarily surface-treating the same using LZO (Li2ZrO3) or LNO (LiNbO3), and to a method for manufacturing the same.
Resumen de: EP4832065A1
0001 The present invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of the present invention includes a current collector, a metal layer positioned on at least one surface of the current collector and including a lithium alloy, and a protective layer positioned on the metal layer, wherein the protective layer has a porosity of 30% to 60%, and a content of a binder is 5 wt% to 15 wt% based on 100 wt% of an entire amount of amorphous carbon in the protective layer.
Resumen de: EP4832032A1
Provided is a separator for electrochemical elements, which has superior electrolyte impregnation properties compared to prior ones while maintaining characteristics such as low resistance, short circuit resistance and acid resistance. The separator for electrochemical elements is interposed between a pair of electrodes, and can hold an electrolyte solution that contains an electrolyte. The separator is configured as a single-layer separator that is composed of a beaten solvent-spun cellulose fiber and a synthetic fiber. The separator has a thickness of 10 to 70 µm, a density of 0.25 to 0.70 g/cm3, and a Bekk smoothness of 20 to 400 seconds on both surfaces.
Resumen de: WO2025136445A1
Provided are electrochemical cells with at least a portion of the exterior surface coated in a conductive aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells with aversive coatings capable of conducting electricity through the coating.
Resumen de: WO2025132335A1
The present invention is related to a positive electrode active material powder for lithium-ion rechargeable batteries, wherein the positive electrode active material powder comprises particles, wherein each of the particles consists of at least one primary particle and at most twenty primary particles, wherein the positive electrode active material powder essentially comprises Li, Ni, Mn, Al, and O, and wherein Al is introduced by (i) adding a material formed by heating a mixture comprising a Li source and a transition metal composite precursor essentially comprising Ni and Mn to an aqueous solution comprising a Al-containing compound and (ii) milling the material. Due to the aforementioned introduction of Al, the positive electrode active material powder may have a ratio of Ni3+ to Ni2+ as measured by XPS being at least 1.45.
Resumen de: WO2025132920A1
The invention relates to a method for opening and discharging an electrochemical cell of an ion insertion-deinsertion battery, comprising a casing in which a negative electrode, a positive electrode, a separator and an electrolyte are accommodated, wherein the method comprises the following operations: opening the electrochemical cell at one or more regions of the casing, wherein at least the one or more opening regions are brought into contact with a liquid L1, then discharging the electrochemical cell by bringing the cell into contact with a liquid L2, and wherein the method is characterised in that: - the liquid L1 comprises an alcohol-based solvent and optionally a redox mediator, while the liquid L2 comprises an alcohol-based solvent together with a redox mediator; and - the liquids L1 and L2 are free of chlorine. The invention also relates to a method for recycling an ion insertion-deinsertion battery implementing this opening and discharging method. The method is intended for use in the recycling of lithium-ion, sodium-ion, potassium-ion, calcium-ion or magnesium-ion batteries.
Resumen de: WO2025132824A1
The invention relates to a process for preparing a component of a rechargeable battery, wherein a composition comprising a) water, b) an electrically conductive carbon-based material, and c) a polymer comprising repeating units of polymerized monomers of i) a vinyl aromatic monomer, ii) a polyether acrylate or polyether methacrylate, and iii) an ethylenically unsaturated monomer having 1 or 2 carboxylic acid groups, wherein at least a part of the carboxylic acid groups is present in salt form, is employed for preparing the component.
Resumen de: EP4832257A1
The present application is suitable for the technical field of electrics, and provides a connector, a battery, an energy storage system and an electric device. The energy storage system and the electric device each comprise a battery, the battery comprises a connector, the connector comprises a housing and a plurality of terminals, and the plurality of terminals are arranged in the housing in parallel. By arranging a plurality of parallel terminals in a housing of a connector, when in use, the connector allows current to flow through the plurality of terminals in parallel, to supply power to an electric device, that is, the connector can be powered by means of a plurality of branches. In this way, the connector can handle a large current, thereby achieving high-current power transmission.
Resumen de: WO2025133146A1
There is disclosed herein a method for preparing an electrode for a sodium-ion secondary cell, comprising the steps of: applying an electrode coating (204) along a coating axis (c) on an electrode substrate sheet (202) to form a coated substrate sheet, the electrode coating (204) comprising an active electrode material wherein the active electrode material comprises one of hard carbon or a Prussian Blue analogue; cutting the coated substrate sheet across the coating axis (c) into a plurality of portions (210); and calendering a portion of the plurality of portions, wherein the calendering comprises applying pressure with at least one roller (212) having a pressure- applying axis (p) aligned with the coating axis (c). Among other benefits, the risk minimization of damage to the electrode substrate is achieved. Also disclosed herein is an electrode prepared by the aforementioned method, a sodium-ion cell comprising such an electrode, a battery system comprising such a cell, and a vehicle comprising such a battery system.
Resumen de: WO2025132768A1
A process for production of graphite. The process comprises providing a metallic melt; supplying a carbonaceous material to the metallic melt; subjecting the carbonaceous material to catalytic graphitization in the metallic melt; passing a gas through the metallic melt; and collecting a composition leaving the metallic melt, the composition comprising graphite carried by said gas. An apparatus (100) for production of graphite. The apparatus comprises a graphitization reactor (110); a heating element (120) heating the graphitization reactor; an inlet conduit (130) connecting a source (140) of carbonaceous material with the graphitization reactor; a gas conduit (150) connecting a source (160) of gas with a bottom part of the graphitization reactor; and an outlet conduit (170) connecting a top part of the graphitization reactor with a gas-solids separator (180).
Resumen de: WO2025132848A1
The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.
Resumen de: EP4831241A1
0001 A carbon nanotube dispersion liquid containing carbon nanotubes (A), a polyvinyl alcohol (B), and a solvent (C), in which X/Y satisfies 0.8≤X/Y≤5.5, wherein X represents a storage elastic modulus at a strain of 0.1% of the carbon nanotube dispersion liquid and Y represents a storage elastic modulus at a strain of 1% of the carbon nanotube dispersion liquid. Thus, a carbon nanotube dispersion liquid having improved dispersibility and viscosity stability is provided.
Resumen de: WO2025132353A1
The present invention relates to Li-rich Mn-rich cathode active material comprising high- valence transition metal ions, such as Mo, exhibiting high capacity comprising Li, M and O, wherein M comprises: Ni in a molar ratio x, wherein 0.10 ≤ x ≤ 0.50 relative to M; Mn in a molar ratio y, wherein 0.50 ≤ y ≤ 0.80 relative to M; and Mo in a molar ratio z, wherein 0.001 ≤ z < 0.05 relative to M; wherein the molar ratio of Li to M (Li/M) is between 1.00 and 1.60; and wherein the content of Li, Ni, Mn and Mo is measured by ICP-AES, and x+y+z is 1.00.
Resumen de: WO2025134006A1
The present invention relates to a process for the recovery of purified graphite materials from a recycled graphite concentrate, the process comprising: treating the recycled graphite concentrate in a caustic leach step, the caustic leach step comprising the contact of the recycled graphite concentrate with a sodium hydroxide solution at a temperature of at least 200°C and elevated pressure, and recovering a solid caustic leach product; and treating the solid caustic leach product in an acid leach step, the acid leach step comprising the contact of the solid caustic leach product with an acidic solution, and recovering a solid acid leach product, wherein the solid acid leach product comprises a purified graphite material.
Resumen de: WO2025131955A1
The invention relates to a flooding valve (10) for a storage battery, comprising a tubular body (20) which is closed by a seal (30) suitable for breaking when an overpressure is applied to the face thereof that faces the outside of the tubular body. According to the invention, this valve comprises a flap (23) which also closes the tubular body and which is suitable for opening towards the outside of the tubular body when an overpressure is applied to the face thereof that faces the seal.
Resumen de: WO2025133745A1
A method for producing a carbon enriched material, said method comprising the steps of: a) providing lignin beads, wherein said lignin beads comprise at least 80 wt% of lignin based on the dry weight of the lignin beads; b) optionally heating the lignin beads to one or more temperatures in the range of from 140 to 270 °C for a period of at least 30 minutes so as to obtain thermally stabilized lignin beads; and c) subjecting the, optionally thermally stabilized, lignin beads to carbonization at one or more temperatures in the range of from 300 °C to 1500 °C, wherein the carbonization is carried out for a total time in the range of from 30 minutes to 10 hours, so as to obtain a carbon enriched material.
Nº publicación: EP4830959A1 28/10/2026
Solicitante:
TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: EP4830959A1
0001 A power storage device includes an accommodation casing (30), a power storage stack (42) accommodated in the accommodation casing (30), electrical equipment (40) accommodated in the accommodation casing (30), and a coupling member (32) provided in the accommodation casing (30). With a direction from the power storage stack (42) toward the electrical equipment (40) being defined as a first direction (L1) and with a direction opposite to the first direction (L1) being defined as a second direction (L2), the coupling member (32) includes a first connection portion (36) connected to a first portion and a second connection portion (35) located at a side of the first direction (L1) relative to the first connection portion (36), located above the first connection portion (36), and connected to a vehicle.
BOPI
Sede Electrónica
