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1255
resultados
Última actualización
10/02/2026 [07:21:00]
Resultados 875 a 900 de 1255
Resumen de: US20260028228A1
A method of manufacturing a positive cathode material with a stable olivine structure, including forming a mixture by combining lithium precursors, iron precursors, and phosphate precursors in an aqueous solution. The method further includes adding two different carbon sources to the mixture during mixing process and evaporating water from the mixture to form a homogeneous precursor mixture. The method further includes annealing the homogeneous precursor mixture to form a carbon-coated lithium iron phosphate cathode material with the stable olivine structure. The use of two different carbon sources in obtaining the carbon coating over lithium-iron-phosphate cathode material in an amorphous form, enhances the stability and performance of the cathode material resulting in an enhanced performance and longevity of rechargeable lithium-iron-phosphate batteries.
Resumen de: US20260028693A1
A method of manufacturing an electrode active material in an efficient manner is accomplished by recycling an exhausted active material contained in an electrode of a spent secondary battery through a simple process with reduced environmental impact such that the resulting active material can be reused. A method of manufacturing an electrode active material is a method of manufacturing an electrode active material by recycling an exhausted active material contained in an electrode of a spent secondary battery such that the resulting active material can be reused, the electrode including a current collector and an electrode mixture containing the active material and formed above the current collector, the method including: immersing the electrode in an alkali aqueous solution to peel the electrode mixture from the current collector (step 1); and neutralizing the peeled electrode mixture (step 2).
Resumen de: US20260028703A1
An Mn-M binary multi-phase alloy has Mn content satisfying 39 wt %≤Mn≤78 wt %, with the balance including metal M. The standard electrode potential of the metal M is higher than the standard electrode potential of Mn, and an αMn phase, a γM-Mn phase, and a γ′Mn-M phase are distributed in the binary metal multi-phase alloy. A method for preparing the Mn-M binary multi-phase alloy, a use thereof in preparation of a porous material, a current collector including the porous material, a secondary battery, and an electrical device.
Resumen de: US20260028167A1
The present disclosure relates to an electrode plate transfer device comprising: a support plate over which a plurality of electrode plates are stacked; and a plurality of support walls spaced apart from each other on the support plate, and bent to respectively face a plurality of corner edges to each form an inner bent surface and an outer bent surface, wherein each of the plurality of support walls includes: a first frame located at an edge of the support plate and forming at least one of the inner bent surface or the outer bent surface; and a second frame which is in contact with the first frame, and of which at least a part forms the inner bent surface.
Resumen de: US20260028441A1
The present disclosure provides for foldable bottlebrush polymers, foldable bottlebrush polymer networks, method of making foldable bottlebrush polymers and networks, conductive electrolytes including the foldable bottlebrush polymer networks, and the like.
Resumen de: US20260031502A1
An electrode plate, an electrode assembly, a battery cell, a battery, an electric device, and a method for manufacturing electrode assembly are provided. The electrode plate includes: a laminated segment and a bending segment, the bending segment is connected to the laminated segment, and the bending segment is configured for bending, where a region of the laminated segment close to the bending segment is provided with a reinforcing structure.
Resumen de: US20260031501A1
A battery cell includes: a housing, an opening being provided at an end portion of the housing; an electrode assembly arranged inside the housing, the electrode assembly including an electrode body and a first tab; an end cap closing the opening; and a conductive piece located between the electrode assembly and the end cap, and electrically connected to the first tab, wherein the end cap is in direct contact with an inner surface of the housing, the conductive piece is in direct contact with the inner surface of the housing along a first direction, and the conductive piece is in direct contact with the end cap along a second direction, the first direction being approximately perpendicular to the second direction.
Resumen de: US20260031497A1
A battery cell and a battery cell module and a method of forming batteries with improved electric resistance and uniform current density are provided. The battery cell includes a first and a second negative electrodes and a first and second positive electrodes, each having defined length and width, with multiple tabs extending outward from one side along the width direction. When stacked, the tabs of the first and second negative electrodes are located on the same side in an alternating arrangement, substantially covering the entire electrode length, and the tabs of the first and second positive electrodes are located on the opposite side in an alternating arrangement, substantially covering the entire electrode length. The battery cell further includes busbars with various configurations to ensure effective electrical connections.
Resumen de: US20260031514A1
A battery cell, a battery, and a power consuming apparatus. The battery cell includes: an electrode assembly, including a main body portion and a tab, where the tab is led from at least one end that is of the main body portion and that is in a first direction; a shell, having a cavity that accommodates the electrode assembly, where the shell includes a housing and a top cover plate, at least one end that is of the housing and that is in the first direction has an opening portion, the top cover plate covers the opening portion, and the tab is electrically connected to the top cover plate; and an insulating portion, at least partially disposed at the opening portion, and including a first insulating part located between the opening portion and the top cover plate.
Resumen de: US20260031506A1
The all-solid-state battery includes: a case including a recessed container and a cap covering the opening of the recessed container; a power generation element contained in the case and including an electrode layer, an electrode layer and a solid electrolyte layer stacked upon one another; and an elastic conductive member located between the power generation element and the inner bottom surface of the recessed container. The elastic conductive member, together with the power generation element, is pushed into the recessed container to be contained therein. The electrode layer includes an electrode mixture layer and a porous metal layer. The elastic conductive member contacts the porous metal layer and, by means of its elastic force, presses the power generation element toward the cap. The all-solid-state battery of the present invention is relevant to Goals and of the SDGs.
Resumen de: US20260028438A1
This application provides a fluoropolymer, a preparation method therefor, a positive electrode plate, a secondary battery, and an electric device. The fluoropolymer comprises a structural unit derived from vinylidene fluoride and a structural unit derived from an unsaturated carboxylic acid monomer, wherein a weight average molecular weight of the fluoropolymer ranges from 5 million to 9 million, and optionally, from 5 million to 8 million.
Resumen de: US20260027947A1
An electrified vehicle includes an electric traction motor, a high voltage (HV) battery system including a HV battery pack configured to power the electric traction motor. The HV battery pack includes a plurality of battery modules each configured to store electrical energy, an auxiliary storage device electrically coupled to the battery modules, and one or more switches/relays configured to selectively allow transfer of electrical charge from each battery module to the auxiliary storage device. A battery management system (BMS) includes a controller programmed to detect a thermal runaway event of one or more of the battery modules, and open/close the one or more switches/relays in response to detecting the thermal runaway event to thereby transfer electrical charge from the one or more battery modules experiencing the thermal runaway event to the auxiliary storage device, to thereby slow or prevent a propagation of the thermal runaway.
Resumen de: US20260027946A1
A passive dynamic cell balancing system for an electrified vehicle includes a dynamic load system configured to vary a balancing current output to a battery system of the electrified vehicle, wherein the battery system comprises a plurality of battery cells, and a control system configured to estimate a charge imbalance across the plurality of battery cells by estimating a state of charge (SOC) of each of the plurality of battery cells, estimate a balancing current for each of the plurality of battery cells based on their respective estimated SOCs, and controlling the variable load system based on the estimated balancing currents to dissipate a desired amount of electrical energy from each of the plurality of battery cells to resolve the estimated charge imbalance.
Resumen de: US20260027933A1
There is disclosed a battery charging device of a construction machine including a power distribution device that distributes electric energy stored in a battery pack to loads inside a construction machine and electrically connects or disconnects a charger for charging the battery pack to or from the battery pack; and a battery management system that electrically connects the charger to the battery pack by controlling the power distribution device and calculates a charging profile for charging the battery pack, and the charging profile may include a first charging section and a second charging section, the first charging section may include a second constant current charging section in which the battery pack is charged at a standard charging rate, and a first constant current charging section in which the battery pack is charged at a higher charging rate than the standard charging rate, and the second charging section may include a plurality of constant current charging sections in which the battery pack is charged at a constant charging rate for each charging section.
Resumen de: US20260027914A1
A protective element, in particular for an energy storage system or for a motor vehicle, wherein the protective element has the following: a shielding element, for example a wall, and a protective material arranged or formed on a surface of the shielding element.
Resumen de: US20260031500A1
An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. The end cover assembly includes a current collector plate, a cover body, and an explosion-proof valve. The cover body defines a mounting hole and an explosion-proof hole, the mounting hole and the explosion-proof hole both extend through the cover body in a thickness direction of the cover body, and the mounting hole and the explosion-proof hole are spaced apart from each other. The explosion-proof valve is mounted on the cover body and covers the explosion-proof hole. The current collector plate includes a main body portion and a boss portion. The main body portion is located at one side of the cover body in the thickness direction of the cover body, and the main body portion defines a welding groove.
Resumen de: US20260031513A1
A battery cell and a manufacturing method thereof, a battery, and an electric device are described. The battery cell includes an electrode assembly, an electrode lead-out member, and a first insulating member. The electrode assembly includes a main body and a tab extending from the main body. The electrode lead-out member is connected to the tab to lead out electric energy of the electrode assembly. The electrode lead-out member has a first surface facing the main body. The first insulating member covers at least a portion of the first surface.
Resumen de: US20260031515A1
An secondary battery includes an electrode assembly, an electrolyte solution, a housing, and an adhesive member. The adhesive member is disposed between the electrode assembly and the housing. The adhesive member includes a first adhesive layer and a second adhesive layer stacked up. The first adhesive layer is bonded to an inner surface of the housing. The second adhesive layer is bonded to an outer surface of the electrode assembly. The first adhesive layer includes poly(styrene-b-isoprene-b-styrene) and a first resin. The first resin includes at least one of poly(acrylonitrile-co-butadiene-co-styrene), polyurethane, or polystyrene. The secondary battery provided in this application includes an adhesive member, thereby reducing the probability of tearing of an outer surface of the electrode assembly and the risk of bursting a top seal of the secondary battery and leaking an electrolyte solution, and improving the safety performance of the secondary battery.
Resumen de: US20260031509A1
A battery cell and a manufacture method for the same, a battery, and an electrical apparatus. The battery cell includes: a shell having a first opening; a first end cover closing the first opening and being insulated from the shell; and an electrode assembly arranged in the shell and including an electrode body, a first tab and a second tab, the first tab and the second tab being led out of the electrode body and having opposite polarities, the first tab being electrically connected to the first end cover, and the second tab being electrically connected to the shell; where the first end cover serves as a first output pole, and the shell serves as a second output pole.
Resumen de: US20260031510A1
A secondary battery and a battery module are disclosed. A secondary battery includes a plurality of electrode assemblies, each including an electrode forming a tab, a case accommodating the plurality of electrode assemblies, a cap plate covering an opening of the case, and a terminal protruding from the outside of the cap plate and electrically connected to the plurality of electrode assemblies.
Resumen de: US20260027743A1
The invention relates to a cutting apparatus for cutting segments for energy cells from a continuous web fed into a gap in a cutting plane, comprising-a rotating cutting device which is driven by means of a first drive device in a rotary movement about an axis of rotation, is arranged on one side of the gap and has at least one cutting blade protruding radially outwards from a boundary surface of the rotating cutting device, in particular a cutting drum having at least one cutting blade protruding radially outwards from a jacket surface of the cutting drum, wherein—the cutting edge of the cutting blade slides in punctiform contact on the cutting edge of the counter-blade during the rotary movement of the rotating cutting device, in particular the cutting drum, during the cutting of the continuous web, and—the first drive device is torque-controlled at least during the sliding of the cutting edge of the cutting blade on the cutting edge of the counter-blade.
Resumen de: US20260027541A1
An apparatus and method for preparing a precursor are described. The apparatus for preparing the precursor is an apparatus for preparing a precursor, which coprecipitation reacts a raw material to prepare the precursor, the apparatus including: a coprecipitation reaction tank in which an accommodated material including a reactant and a remainder is accommodated; and a pH measuring system that measures a pH of the remainder. The pH measuring system includes: a filter that is disposed inside the coprecipitation reaction tank and filters the remainder from the accommodated material; and a pH measuring part that is disposed outside the coprecipitation reaction tank to measure the pH of the remainder filtered through the filter.
Resumen de: US20260027648A1
A jig used for welding a cylindrical battery, which is a jig for welding a collector plate electrically connected to an electrode assembly of a cylindrical battery cell to a battery can, may include: a main body configured to come into contact with the collector plate to press the collector plate and having a through-hole for welding; and a position determination portion coupled to at least one of both ends of the main body to come into contact with an end of the collector plate, and configured to cause the collector plate to be fixed at a correct position during welding. A method of manufacturing a cylindrical battery and cylindrical battery made by the method are also provided.
Resumen de: US20260027398A1
Provided is a zone control valve and a fire-fighting system. The zone control valve comprises a valve body, a sealing diaphragm, and an electrical explosion driving device. A fluid flow path, comprising an inlet and an outlet, is formed inside the valve body, and the central axis of the inlet and the central axis of the outlet form an included angle; the sealing diaphragm is sealedly arranged in the fluid flow path and divides the fluid flow path into a first flow channel and a second flow channel; the electrical explosion driving device is mounted on the valve body, the output end of the electrical explosion driving device is in connection with a puncture part, and the puncture part is located in the second flow channel and directly faces the sealing diaphragm.
Nº publicación: US20260031496A1 29/01/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: US20260031496A1
Embodiments of this application provide a connecting member, a battery cell, a battery, and an electric apparatus. The connecting member is for use in a battery cell. The connecting member includes a connecting portion and a bending portion. The connecting portion is connected to the bending portion. The connecting portion has a reinforcing structure, and the reinforcing structure is configured to make a bending strength of the connecting portion greater than a bending strength of the bending portion. In the connecting member provided in the embodiments of this application, the bending strength of the connecting portion of the connecting member is greater than the bending strength of the bending portion of the connecting member.
BOPI
Sede Electrónica
