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1111
resultados
Última actualización
26/01/2026 [07:08:00]
Resultados 650 a 675 de 1111
Resumen de: WO2026013380A1
A method for producing a carbon-coated metal-containing compound, the method comprising the steps of: a) forming a mixture comprising: i) one or more carbon- containing polymer(s); ii) one or more alkali metal precursor compound(s); and iii) one or more metal precursor compound(s) comprising one or more metals selected from transition metals, non-transition metals and metalloids, wherein the metal in each metal precursor compound has an initial average oxidation state; and b) heating the mixture to produce a reaction product comprising the carbon-coated metal-containing compound; wherein during heating step b) the initial average oxidation state of the one or more metals in the metal precursor compound is reduced; and wherein at least a portion of the carbon coating comprises sp2 carbons. In addition to the use of a polymer in a carbothermal reduction reaction of a metal precursor compound to produce a carbon coated metal- containing compound, wherein at least a portion of the carbon coating comprises sp2 carbons and the use of a halogenated polymer in a carbothermal reduction reaction of a metal precursor compound to produce a carbon-coated halogen doped metal-containing compound, wherein at least a portion of the carbon coating comprises sp2 carbons. Further, an electrode active material made according to the method; a composition comprising LiFePO4 in particulate form prepared according to the method, wherein the particles are at least partially coated with a carbon coatin
Resumen de: US20260018608A1
The positive electrode active material, a positive electrode slurry, a positive electrode plate, a battery, and an electrical apparatus are disclosed. The positive electrode active material includes a first positive electrode active material comprising lithium manganese phosphate and a second positive electrode active material different from the first. The lithium manganese phosphate contains a doping element that satisfies at least one of the following conditions: (i) the relative difference in ionic radius between the doping element and manganese is not greater than 10%; (ii) the valence variation voltage of the doping element is between 2 V and 5.5 V; (iii) the chemical bond activity between the doping element and oxygen is not less than that of the phosphorus-oxygen bond; and (iv) the highest valence of the doping element is not greater than 6.
Resumen de: US20260014537A1
Provided is an apparatus for manufacturing lithium sulfide, including a plurality of reaction chambers having a reaction space for producing lithium sulfide by a reaction between a lithium raw material and hydrogen sulfide and provided to move the supplied lithium raw material along one direction, and the lithium raw material is sequentially supplied to the plurality of reaction chambers along the one direction, and the hydrogen sulfide is sequentially supplied to the plurality of reaction chambers along a direction opposite to the one direction from any one of the plurality of reaction chambers other than the reaction chamber into which the lithium raw material is supplied.
Resumen de: US20260014400A1
A method for preparation of a fire-extinguishing sheet including a fire-extinguishing agent and binding agent, wherein the fire-extinguishing agent is capable of generating a fire-extinguishing component by thermal decomposition upon reaching a prescribed temperature, the fire-extinguishing agent comprises tripotassium citrate and potassium chlorate, and the binding agent comprises polyvinyl butyral. the method includes the steps of dissolving the binding agent into a solvent to obtain a solution of the binding agent, mixing tripotassium citrate and potassium chlorate in a solvent and milling the mixture to obtain a fire-extinguishing agent slurry, mixing the solution of the binding agent and the fire-extinguishing agent slurry and milling the mixture to obtain a coating material, coating the coating material on a sheet and drying the coating material on the sheet and optionally cutting the sheet.
Resumen de: WO2026015863A1
A method includes selectively redox leaching a. black mass that has lithium battery materials with an acid and a. redox agent. The method may selectively removing titanium, copper and aluminum from a first filtrate formed from the redox leaching. The method may treat a. filtrate formed from removing the copper and the aluminum to form battery grade compounds.
Resumen de: WO2026015860A1
A method for recycling spent or scrap lithium iron phosphate (LFP) or lithium manganese iron phosphate (LMFP) battery materials includes selectively leaching a black mass with an acid and optionally an oxidizing agent to form a. mixture of leachate and a first filter cake, selectively removing titanium, copper and aluminum from the leachate to form a filtrate comprising ferrous ions, oxidizing the filtrate including ferrous ions at a temperature ranging from 20 °C to 100 °C to form a crude iron phosphate and a lithium- rich solution, purifying the crude iron phosphate at a temperature ranging from about 20°C to about 100 °C to form a battery grade iron phosphate, and processing a lithium rich solution to form battery grade lithium carbonate. The black mass includes the spent or scrap LFP or LMFP battery materials.
Resumen de: WO2026015748A1
Systems and methods for charging batteries of electric container handling equipment at container terminals comprising mobile batteries and chargers that can be transported to a location near the container handling equipment. The mobile batteries and chargers are configured for energy storage and capable of being recharged at one or more charging stations. Multiple mobile batteries and chargers can be included in the system and/or methods, and one or more or each mobile battery and charger can be configured to recharge one or more or several pieces of container handling equipment before the mobile battery and charger travels to the charging station to recharge. Included are systems for managing shipping equipment in a container terminal comprising one or more mobile battery and charger configured to deliver at least about 100 kW of power to any equipment configured for loading, unloading, and/or moving shipping containers, such as a shipping container crane.
Resumen de: US20260019009A1
A multi-level inverter using cascaded H-bridge modules, where each module can balance its at least two charge storage elements by means of voltage equalization. Modules are arranged in series into at least one cascade inverter phase with optional center taps, and modules communicate with a control unit by being addressed over at least one serial communication bus. Additional features that can be included in embodiments are the configuration of modules to react to multiple specific addresses in order to increase the maximum output voltage slew rate, metal circuit breaking springs to provide fusing within modules, and the ability to interconnect multiple physically distinct inverters into a single unit. This inverter is predominantly intended for electric vehicle applications, and the optional incorporation of a switching array allows the possibility for power transfer to or from a wide range of voltage sources including other inverters.
Resumen de: US20260018682A1
A battery cell includes a cathode compartment configured to contain a catholyte that releases metal ions, an anode compartment configured to receive electrons from an external power supply, an ion-selective membrane positioned between the cathode compartment and the anode compartment and configured to selectively transport the metal ions from the cathode compartment to the anode compartment when self-priming the battery cell, and an electron transport structure configured to provide electrons to at least one of the ion-selective membrane or an electrically conductive coating on the ion-selective membrane without a molten metal within the anode compartment when self-priming the battery cell, such that the electrons are combined with the metal ions arriving at an interface between the electron transport structure and the ion-selective membrane when self-priming the battery cell to produce the molten metal within the anode compartment.
Resumen de: US20260018683A1
The present disclosure relates to a sensor for a battery assembly and a testing method of a battery assembly using the same. A sensor for a battery assembly according to an embodiment of the present disclosure includes a body member having a first opening formed on one surface of the body member, the body member including an accommodation space accommodating at least a part of the battery assembly through the first opening, a sealing member disposed around the accommodation space, the sealing member coming in contact with the battery assembly when at least the part of the battery assembly is accommodated in the accommodation space, and a sensing member formed in the accommodation space and measuring environment data in the accommodation space.
Resumen de: US20260018721A1
A battery pack according to an embodiment of the present disclosure includes: a plurality of battery modules; a tray including a mount plate on which the plurality of battery modules are seated, a front frame provided on an end portion in a longitudinal direction of the mount plate, and a rear frame provided on the other end portion in the longitudinal direction of the mount plate; a pair of side covers covering both end portions in a width direction of the tray; at least one module partition wall parallel to the front frame and the rear frame, and located between adjacent battery modules; and a battery energy management system (BEM) assembly including a BEM bracket having one end portion fastened to the at least one module partition wall and the other end portion fastened to the rear frame, and a BEM mounted on the BEM bracket.
Resumen de: US20260018716A1
A secondary battery having improved impact resistance is provided. The secondary battery includes a battery case comprising an electrode assembly and an electrolyte accommodated in an accommodation part of the battery case. The secondary battery satisfies following Equation (1): Equation (1): W/S≤42. In Equation (1), W is an amount of electrolyte per unit capacity of the secondary battery unit: g/Ah, and S is a product of a total length unit: m and a full width unit: m of the electrode assembly.
Resumen de: US20260018623A1
An electrode sheet includes a current collector plate and a compound sheet comprised of a dry electrode compound and layered on a surface of the current collector plate. The compound sheet includes a window portion surrounded by the dry electrode compound over an entire circumference, and the current collector plate is exposed in the window portion. An angle formed by a side wall of the compound sheet in the window portion and a surface of the current collector plate is 75° or more and 105° or less in a cross-section perpendicular to a direction of extension of the current collector plate and the compound sheet.
Resumen de: US20260018609A1
A positive electrode material composition, a secondary battery, and an electric apparatus. The positive electrode material composition includes a phosphate-based positive electrode material and a ternary positive electrode material, where a weight of the phosphate-based positive electrode material is denoted as W1; a weight of the ternary positive electrode material is denoted as W2; α=W1/(W1+W2), where 50%≤α≤97%, optionally 70%≤α≤90%; and the phosphate-based positive electrode material is a polycrystalline secondary sphere material and/or the ternary positive electrode material is a polycrystalline secondary sphere material.
Resumen de: US20260018606A1
A positive electrode having a mixture layer includes a single particle-type positive electrode active material and a point-type conductive material, disposed on a current collector. The positive electrode having the mixture layer also includes a rolling index ranging from 0.01 to 1.00. The rolling index is determined using a single particle formation degree of a single particle-type lithium nickel-based oxide, a bulk density, a BET specific surface area, and an oil absorption number of a point-type conductive material. The positive electrode exhibits a low porosity and a high rolling density. Also provided is a lithium secondary battery including the same having excellent energy density.
Resumen de: US20260018605A1
The present application provides a battery and an electrical apparatus. The battery comprises a case, an electrode assembly and an electrolyte solution. The case is provided with an accommodating cavity inside, and the electrode assembly and the electrolyte solution are both arranged within the accommodating cavity. The electrode assembly comprises a positive electrode plate comprising a positive electrode current collector and a positive electrode active layer located on at least one surface of the positive electrode current collector. The positive electrode active layer comprises a positive electrode active material having a chemical formula of Lix(NiaCobMnc)1−aMaO2−yAy; the KEL of the battery satisfies 1.6 g/Ah≤KEL≤1.9 g/Ah, KEL represents the ratio of the mass of free electrolyte solution to the rated capacity of the battery, in units of g/Ah; and the space utilization rate η of the battery is ≥0.8.
Resumen de: US20260018603A1
Provided herein are ionically conductive solid-state compositions that include ionically conductive inorganic particles in a matrix of an organic material. The resulting composite material has high ionic conductivity and mechanical properties that facilitate processing. In particular embodiments, the ionically conductive solid-state compositions are compliant and may be cast as films. In some embodiments of the present invention, solid-state electrolytes including the ionically conductive solid-state compositions are provided. In some embodiments of the present invention, electrodes including the ionically conductive solid-state compositions are provided. The present invention further includes embodiments that are directed to methods of manufacturing the ionically conductive solid-state compositions and batteries incorporating the ionically conductive solid-state compositions.
Resumen de: WO2026015695A1
Disclosed is a cathode active material (CAM) particle at least partially coated with a fluorine-doped lithium phosphorus oxide (LPOF), wherein the fluorine-doped lithium phosphorus oxide has a formula (I), (Li2O)x-(P2O5)y-(AFm)z, wherein A is an alkali metal or alkaline earth metal, m is 1 or 2, x+y+z = 1.0, 0.3 < x< 0.8, 0.2 < y < 0.7, and 0 < z < 0.2. Also disclosed is a cathode layer comprising the coated CAM and an all-solid-state battery comprising the cathode layer. In some embodiments, the battery comprising a cathode with the LPOF-coated CAM exhibits an improved rate performance and cycling performance.
Resumen de: WO2026015106A1
The invention relates to an intelligent battery performance monitoring system that continuously monitors ion mobility and dynamics detected during battery operation to improve the performance and efficiency of rechargeable batteries.
Resumen de: WO2026014879A1
An apparatus for welding current collectors and a method of welding current collectors are disclosed. The apparatus for welding current collectors comprises: an offset detector for detecting a center offset, which is the deviation between a set reference position and the electrode center position of a cylindrical electrode assembly extending in the axial direction; a current collector coupler, which temporarily couples a current collector to the electrode assembly at a coupling position at which a current collection center position and the electrode center position are aligned, by moving, in parallel, by the center offset, the current collector disposed such that the current collection center position is aligned at an initial position spaced a coupling gap from a reference position in the transfer direction of the electrode assembly; and a current collector welder, which welds the temporarily coupled current collector to the electrode assembly so as to permanently couple same. Eccentricity defects of a welded electrode body can be prevented.
Resumen de: WO2026015308A1
A method for forming a multiple-layer dielectric coating on a substrate includes (a) providing a coating composition having: (i) an actinic radiation curable material including at least one of a monomer and an oligomer, and (ii) a thermally conductive filler; (b) applying a first layer of the coating composition to the substrate; (c) exposing the first layer to a first dose of actinic radiation sufficient to partially cure the actinic radiation curable material of the first layer to a monomer conversion of between about 60% and about 95%; (d) applying a second layer of the coating composition to the partially-cured first layer; and (e) exposing the second layer of the coating composition to a second dose of actinic radiation sufficient to bond the first and second layers together and to cure the actinic radiation curable material of the second layer to a monomer conversion of at least 60%.
Resumen de: WO2026014890A1
The present invention relates to a method for preparing a lithium iron phosphate-based cathode active material, the method comprising the steps of: dry-pulverizing iron phosphate (FePO4) and a carbon-containing coating raw material, separately; mixing a lithium-containing raw material, the pulverized iron phosphate, the pulverized carbon-containing coating raw material, and distilled water to prepare a reaction mixture; compressing the reaction mixture to process same into a pellet form; and firing the pellet-shaped reaction mixture to prepare a fired product, wherein the distilled water is mixed in an amount of 20 parts by weight or less with respect to 100 parts by weight of the total weight of the lithium-containing raw material, the pulverized iron phosphate, and the pulverized carbon-containing coating raw material.
Resumen de: US20260018714A1
The invention relates to a cylindrical battery cell housing having an aluminium material as well as a method for manufacturing a cylindrical battery cell housing and a use of an aluminium material for manufacturing a cylindrical battery cell housing. The object of providing a cylindrical battery cell housing with a reduced CO2 footprint compared to the current reference material steel, which simultaneously enables improved heat conduction and a lower weight of the battery cell, is achieved for the cylindrical battery cell housing by the fact that the cylindrical battery cell housing has an aluminium material, with a ratio of the amount of carbon dioxide (CO2e) emitted during the manufacture of the aluminium material in kgCO2e per kg Al material to the yield strength Rp0.2 of the aluminium material in MPa of CO2e/Rp0.2 is ≤1.9% kgCO2e/(MPa*kgAl-material).
Resumen de: US20260018713A1
The invention relates to a prismatic battery cell housing having an aluminium material as well as a method for manufacturing a prismatic battery cell housing as well as a use of an aluminium material for manufacturing a prismatic battery cell housing. The object of providing prismatic battery cell housings with a reduced CO2 footprint, specifying a method for their manufacture and proposing the use of an aluminium material for the manufacture of prismatic battery cell housings is achieved for the prismatic battery cell housing by the fact that the prismatic battery cell housing has an aluminium material with a ratio of the amount of carbon dioxide emitted (CO2e) during the manufacture of the aluminium material in kgCO2e per kgAl material to yield strength Rp0.2 of the aluminium material in MPa of CO2e/Rp0.2≤6.15 kgCO2e/(MPa*kgAl material).
Nº publicación: US20260018711A1 15/01/2026
Solicitante:
MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WSS E V [DE]
MAX-PLANCK-GESELLSCHAFT ZUR F\u00D6RDERUNG DER WISSENSCHAFTEN E.V
Resumen de: US20260018711A1
The present invention relates to an electrochemical device, comprising a negative electrode comprising a nitrogen-containing electron storage material, a positive electrode, and an electrolyte, wherein the nitrogen-containing electron storage material has a two-dimensional or a three-dimensional covalent structure, contains heptazine and/or triazine moieties, and is capable of intercalating and de-intercalating cations. The present invention is further directed to a uses the material, a photorechargeable battery, an autophotorechargeable battery, a redox-flow-battery, a method for harvesting light and storing electrical energy, a method for detecting and removing oxygen, and a method for detecting light.
BOPI
Sede Electrónica
