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1139
resultados
Última actualización
08/09/2025 [07:10:00]
Resultados 200 a 225 de 1139
Resumen de: US2025276920A1
Copper-boron-ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ·OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ·OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ·OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.
Resumen de: US2025276911A1
The present disclosure relates to a positive electrode active material and a recycling method thereof. In the positive electrode active material and a recycling method thereof, the positive electrode active material is at least one type selected from a lithium nickel oxide (LNO)-based positive electrode active material, a nickel-cobalt-manganese (NCM)-based positive electrode active material, a nickel-cobalt-aluminum (NCA)-based positive electrode active material and a nickel-cobalt-manganese-aluminum (NCMA)-based positive electrode active material, in which single particles are included, a content of F is about 5,700 mg/kg to 6,500 mg/kg, an a-axis lattice parameter measured by an XRD analysis is about 2.8753 Å to 2.8772 Å, a c-axis lattice parameter is about 14.243 Å to 14.255 Å, a cell volume is about 101.968 Å3 to 102.168 Å3 and a crystallite size is greater than about 130 nm and equal to or less than 136 nm.
Resumen de: US2025276913A1
The present application provides a positive electrode active material, a preparation method therefor, a secondary battery, and an electrical apparatus. The chemical formula of the positive electrode active material is LiaNixCoyM1−x−yO2, where M comprises one or more of Mn, Al, B, Zr, Sr, Y, Sb, W, Ti, Mg and Nb, 0.55≤x≤1.0, 0≤y≤0.45, 0.8≤a≤1.2, the positive electrode active material being a hollow structure, and the inner diameter d1 of the hollow structure being 0.3 μm-5 μm.
Resumen de: US2025279438A1
A battery electrode for a battery being either a cathode and/or an anode is provided with enhanced electrical conductivity for use in a battery. The cathode having an active cathode material and/or the anode having an active anode material. The active cathode material is infused into a conductive nonwoven structure and/or the active anode material is infused into a conductive nonwoven structure. The conductive nonwoven structures are selected from metal nonwoven structures (comprised of metal fibers) and metal-coated nonwoven structures (comprised of metal-coated fibers). The metals and metal coatings may be selected from metals including nickel, aluminum, copper, silver, and other metals. The metal-coated nonwoven structure may be a metal-CVD coated nonwoven structure. The conductive nonwoven structure may be secured to a foil current collector using adhesive, by thermal sintering, or other methods of adherence.
Resumen de: US2025279537A1
An electricity-driven vehicle includes: a floor panel; a depressed portion of a groove shape, that is formed on the floor panel and that extends in a vehicle width direction; a battery casing that is placed in the depressed portion; one or more batteries of a replaceable type, that can be attached to and detached from the battery casing; a smoke exhaust duct that extends from the battery casing, that penetrates through a bottom surface of the depressed portion, and that is opened to an outside of the vehicle; and a check valve that is provided on the smoke exhaust duct, and that prohibits inflow of a fluid from the outside of the vehicle into the battery casing.
Resumen de: US2025279513A1
A battery cell includes a case accommodating an electrode assembly in an internal accommodation space and having an opening formed therein, a cap plate at least partially inserted into the accommodation space through the opening and coupled to the case, and a support portion disposed in the accommodation space and supporting a lower surface of the cap plate, wherein a side surface of the cap plate facing the internal surface of the case is spaced apart 10 from the internal surface of the case by a predetermined distance to form a fixing space, and the support portion is disposed below the cap plate so that at least a portion thereof forms a lower surface of the fixing space.
Resumen de: US2025279476A1
A secondary battery and an electrical apparatus comprising the secondary battery. The secondary battery comprises: a negative pole piece and an electrolyte. The negative pole piece of the secondary battery comprises a silicon-carbon composite material having a three-dimensional-network cross-linked pore structure, and the electrolyte of the secondary battery comprises lithium fluorosulfonyl imide.
Resumen de: US2025279532A1
A battery cell includes: a case accommodating an electrode assembly in an accommodating space; a cap plate coupled to at least one side of the case; a vent provided in the case or the cap plate; and a venting cover disposed to cover the vent, and provided to be opened by pressure acting from the accommodating space to the outside of the case, wherein the venting cover includes a venting sheet provided to be opened by a predetermined amount of pressure, and including a first surface facing the vent and a second surface opposite to the first surface; and a venting cap having a support portion supporting the first surface of the venting sheet.
Resumen de: US2025276912A1
To provide: a range of gas mixture compositions that make it possible to hinder Li/Ni cation mixing and transition metal peroxidation; and a method for producing a nickel-rich cathode active material, comprising a firing process using the gas mixtures. The method for producing a nickel-rich cathode active material comprises a firing step, in which a cathode precursor containing at least a predetermined amount of nickel, and a metal oxide solid raw material containing lithium raw material, are fired in a reactor having an atmosphere comprising a gas mixture containing oxygen in the range of 94% by volume to 98% by volume. The oxygen content of the gas mixture is preferably 95% by volume to 97% by volume.
Resumen de: US2025276907A1
Embodiments described herein relate to recycling of spent lithium battery material. In some aspects, a method can include suspending a lithium source in a solvent containing an oxidation reagent to extract lithium, forming an extracted lithium solution, separating the extracted lithium solution from residual solids of a lithium source, purifying the extracted lithium solution by precipitating and filtering impurities, and precipitating the lithium in the purified lithium solution to generate lithium carbonate (Li2CO3). In some embodiments, the method can further include preprocessing the lithium source to improve kinetics of the lithium extraction. In some embodiments, the preprocessing can include a cutting or shredding step to downsize the lithium source. In some embodiments, the lithium source can include lithium-ion battery waste. In some embodiments, the oxidation reagent can include sodium persulfate (Na2S2O8), potassium persulfate (K2S2O8), ammonium persulfate (NH4)2S2O8, hydrogen peroxide (H2O2), ozone (O3), and/or nitrous oxide (N2O).
Resumen de: US2025276904A1
A silicon-based negative electrode active material comprises Si and MSiO3, where M comprises one or more alkaline earth metal elements. An XRD diffraction pattern of the silicon-based negative electrode active material has a first diffraction peak at a diffraction angle 2θ between 26° and 26.8° with a half peak width of βA, and a second diffraction peak at a diffraction angle 2θ between 31° and 32° with a half peak width of βB. The silicon-based negative electrode active material satisfies 1.5≤βA/βB≤ 5.0.
Resumen de: US2025276900A1
This application discloses a negative electrode active material and a preparation method therefor, a negative electrode plate, a battery, and an electrical device. The negative electrode active material includes a carbon core; a porous carbon skeleton layer, having an accommodation space inside, where the carbon core is located in the accommodation space; a carbon cladding layer, where the carbon cladding layer is cladded on at least a part of an outer surface of the porous carbon skeleton layer; and a wave absorbing material and silicon-based particles, where the wave absorbing material and the silicon-based particles are respectively and independently distributed in a region in which the carbon core is located and a region in which the porous carbon skeleton layer is located.
Resumen de: US2025279470A1
Disclosed herein is an electrolyte composition for an energy storage device, the electrolyte composition comprising cellulose nanocrystals; a liquid crystalline unit; an ionic liquid; a metal ion; and a solid protein; wherein the cellulose nanocrystals are conjugated with the liquid crystalline unit. Disclosed herein too is a zinc air battery comprising a positive electrode; a negative electrode; and an electrolyte disposed between the positive electrode and the negative electrode; wherein the electrolyte comprises cellulose nanocrystals; a liquid crystalline unit; an ionic liquid; a metal ion; and a solid protein; wherein the cellulose nanocrystals are conjugated with the liquid crystalline unit.
Resumen de: US2025279508A1
Systems and methods for space configurable battery structures for electrical assemblies incorporating ion exchange materials are described. One method to construct such a battery includes preparing a battery casing for a rechargeable battery. The preparing may further include placing one or more electrode materials into the casing. A monomer or a functionalized n-mer may be prepared for polymerization. The monomer or the functionalized n-mer may be polymerized to form an ion exchange material, which is then then cross-linked. The ion exchange material may be arranged to define an interpenetrating surface with at least a portion of at least one of the electrodes.
Resumen de: US2025279507A1
Disclosed is a thermal management structure of a battery cell, the thermal management structure including: a plurality of battery cells repeatedly arranged; a cell cooler connected to one side of each of the battery cells to enable heat transfer, and configured to cool the battery cell or raise the temperature of the battery when necessary; and a hybrid phase change material (PCM) part respectively disposed between the battery cells to absorb heat generated from the battery cells, and formed of different types of phase change materials (PCMs) respectively disposed in a plurality of divided regions divided in a shape of corresponding to a temperature gradient pattern of the battery cells.
Resumen de: US2025279503A1
A battery module including: a battery cell stack in which a plurality of battery cells including electrode leads protruding in mutually opposite directions are stacked; a housing that houses the battery cell stack; a first heat sink and a second heat sink that are located under the bottom part of the housing, and first and second refrigerant flow paths formed between the first heat sink and the bottom part of the housing and between the second heat sink and the bottom part of the housing, respectively. The refrigerant flow path formed by the first heat sink and the refrigerant flow path formed by the second heat sink are separated from each other.
Resumen de: US2025279509A1
A manufacturing method for an electrical energy storage device disclosed herein includes: a preparing step of preparing a plate material that is made of metal and includes a first part forming a first surface of a case, and a pair of second parts extending from the first part and forming a pair of second surfaces of the case; and a wrapping step of disposing an electrode body on the first part of the plate material and bending the plate material so that a distance between the pair of second parts decreases, thereby wrapping the electrode body.
Resumen de: US2025280228A1
The present disclosure provides a core module and an earphone. The core module comprises a housing, a battery assembly, and a driving assembly. The housing is provided with a first accommodation space and a second accommodation space. The battery assembly is accommodated in the first accommodation space along a first preset assembly direction. The driving assembly is accommodated in the second accommodation space along a second preset assembly direction. The first preset assembly direction and the second preset assembly direction are provided at an acute angle. A first limiting portion is disposed in the first accommodation space. A projection of the first limiting portion on a cross section perpendicular to the first preset assembly direction does not overlap with a projection of the battery assembly on the cross section perpendicular to the first preset assembly direction. The first limiting portion is configured to limit a position of the battery assembly.
Resumen de: US2025280010A1
The present disclosure relates to an ESS security management system comprising: a monitoring means for observing an ESS state; and a security means for blocking or stopping an ESS operation of other domains separate from a network switch with respect to unauthorized access or abnormal state of an ESS and, more specifically, to an ESS security management system for safely managing the system through multi-level network management in order to maintain ESS network security.
Resumen de: US2025279413A1
A positive electrode plate and a preparation method therefor, a battery cell, a battery, and an electric device are described. The positive electrode plate includes: an active material layer, where the active material layer includes a first active material, a conductive agent, and a binder. The first active material includes a layered transition metal oxide, and the binder includes a flexible binder, configured to bind the first active material and the conductive agent. Performance of a battery including the positive electrode plate is improved.
Resumen de: US2025276899A1
Provide is a method for producing a carbon material for a lithium sulfur battery with improved charge and discharge capacity. The method of producing a carbon material for a lithium-sulfur battery may include: performing a wet pulverization treatment of a mixture comprising a first carbon material, a dispersant, and a liquid medium to obtain a slurry; removing at least a portion of the liquid medium from the slurry to obtain a second carbon material; performing a heat treatment of the second carbon material to obtain a third carbon material; and performing an activation treatment of the third carbon material to obtain a fourth carbon material.
Resumen de: US2025279411A1
A secondary battery and an electrical device including the secondary battery. The secondary battery includes a negative electrode and an electrolyte. The negative electrode of the secondary battery includes a silicon-carbon composite material having a three-dimensional network cross-linked pore structure, and the electrolyte of the secondary battery includes dimethyl carbonate.
Resumen de: US2025279514A1
In an embodiment, a battery includes an exterior part, an electrode group, a terminal, and an insulator, and the electrode group is housed in an internal cavity of the exterior part. The terminal is inserted into the internal cavity through the exterior part and includes a terminal head arranged outside the exterior part. The insulator includes a bottom portion sandwiched between the terminal head and an outer surface of the exterior part, and a covering portion covering the terminal head from an outer peripheral side of the terminal on the outer surface of the exterior part. The covering portion abuts on the outer surface of the exterior part, and a protruding height of the covering portion from the outer surface of the exterior part is a protruding height of the terminal head from the outer surface of the exterior part or more over an entire circumference.
Resumen de: US2025279557A1
An electric battery assembly is disclosed comprising: a battery cell having an exterior housing and first and second electrical terminals enabling power to be drawn from the battery cell, the housing being electrically coupled to the first electrical terminal and electrically insulated from the second electrical terminal; an electronic unit comprising a measurement device; and wherein the electronic unit is electrically connected to the second electrical terminal and to the housing, thereby electrically coupling the electronic unit to the first battery cell terminal via the housing, enabling the measurement device to measure a property of the battery cell.
Nº publicación: US2025279460A1 04/09/2025
Solicitante:
CONTEMPORARY AMPEREX TECH HONG KONG LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Resumen de: US2025279460A1
A tray is provided with a carrying region for carrying at least one workpiece. The tray includes a base plate, a fixing plate, and a clamping assembly. The fixing plate is arranged on a side of the base plate along a first direction and configured to block the workpiece. The clamping assembly includes two first clamping pieces and at least one second clamping piece. The two first clamping pieces extend along the first direction and are spaced apart on two opposite sides of the base plate in a manner of moving towards each other along a second direction. The second clamping piece is arranged on a side opposite the fixing plate and located between the two first clamping pieces. The second clamping piece is configured to be capable of moving towards or away from the fixing plate along the first direction; and the first direction intersects with the second direction.
BOPI
Sede Electrónica
