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1138
resultados
Última actualización
07/09/2025 [07:12:00]
Resultados 175 a 200 de 1138
Resumen de: US2025279523A1
A battery system includes: a battery cell stack including a plurality of battery cells accommodated in a compartment; and a compensator at an end of the battery cell stack to exert a pressing force on the battery cell stack. The compensator includes a flexible membrane coupled to a membrane carrier to define a variable volume that is configured to be filled with a fluid. The flexible membrane is configured to expand in response to a fluid pressure rising in the compensator and contract in response to the fluid pressure reducing in the compensator.
Resumen de: US2025279554A1
A jelly roll battery cell, a battery, a battery assembly and an electric device. The jelly roll battery cell includes a main body portion and a tab portion; one side of each positive winding portion in one part of positive winding portions is connected to one positive tab, and one side of each positive winding portion in the other part of the positive winding portions is connected to two positive tabs; and/or, one side of each negative winding portion in one part of negative winding portions is connected to one negative tab, and one side of each negative winding portion in the other part of the negative winding portions is connected to two negative tabs.
Resumen de: US2025276587A1
A battery frame for holding one or more battery boxes includes an outer frame surrounding an interior space and formed from a plurality of structural members including first rails extending parallel to and spaced apart from one another and second rails between the first rails and perpendicularly thereto. The outer frame defines a top extending in a flat plane and a bottom. Each of the first rails includes a mounting flange extending outwardly away from the interior space for holding the battery frame to a vehicle structure. One or more battery boxes are disposed within the interior space of the outer frame and are removable from below the outer frame with the outer frame mounted within a vehicle. Support members and cross-beams provide structural rigidity, distribute or absorb crash loads, and hold one or more of the battery boxes within the battery frame.
Resumen de: US2025276613A1
A traction battery pack operating method includes charging a traction battery pack of an electrified vehicle. The charging includes charging a first subpack of battery cells together with a second subpack of battery cells. The method can discharge the first subpack separately from the second subpack. The method can include during the discharging, maintaining at least one switch in an open state to electrically isolate the first subpack from the second subpack.
Resumen de: US2025276572A1
A vehicle battery pack assembly includes a plurality of sub pack assemblies, each sub pack including a box frame. An internal frame assembly is disposed within the box frame. The box frame includes a front wall, a rear wall and a pair of side walls, one of the front wall and the rear wall includes a first plurality of mounting flanges vertically spaced there along and the pair of sidewalls each include a second plurality of mounting flanges vertically spaced there along. The internal frame assembly includes a plurality of first cold plate structures mounted directly to at least one of the first and second plurality of mounting flanges. A thermal hose assembly is connected to each of the plurality of first cold plate structures and a plurality of battery modules are supported on the plurality of first cold plate structures.
Resumen de: US2025276571A1
Provided is a cooling panel for a battery case. The cooling panel is formed in a panel shape and has a first surface and a second surface parallel to each other, the cooling panel has a cooling flow passage formed therein and configured to allow refrigerant to flow therethrough, and the cooling flow passage has, based on a central portion between the first surface and the second surface, a flow cross-sectional area on a side close to the first surface and a flow cross-sectional area on a side close to the second surface, wherein the two flow cross-sectional areas have different configurations.
Resumen de: US2025276611A1
An apparatus, including: a first circuit containing a first load, wherein a first battery is associated with the first circuit; a second circuit containing a second load, wherein the second load draws current from a second battery when the first load is not operating or is non-operational; a first switch, wherein the first switch is capable of disconnecting the first battery from the first circuit; a second switch, wherein the second switch is capable of connecting the first battery to the first circuit, wherein the first switch and the second switch are connected in series; at least one recharger, wherein the at least one recharger recharges the first battery and the second battery when the first load is operating; a third circuit containing a second battery; and a third load. The third load is connected between the first circuit and the third circuit.
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: 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: US2025279410A1
A positive electrode active material composition, a positive electrode plate, a battery, and an electric apparatus are described. The positive electrode active material composition includes a first positive electrode active material and a second positive electrode active material, where the first positive electrode active material includes a core LiaAbMnfB1-fP1-dRdO4-nDn and a coating layer covering the core, and the second positive electrode active material includes a compound LiNixCoyM1-x-yO2; and 0.018m+0.003f≤z≤0.02m+0.02f is satisfied.
Resumen de: US2025279483A1
A battery cell includes an electrode assembly, where the electrode assembly includes a first separator, a second separator, and multiple electrode plates stacked. The multiple electrode plates include two outer electrode plates located at two ends and multiple inner electrode plates located between the two outer electrode plates. The first separator is disposed between the outer electrode plate and the inner electrode plate adjacent to the outer electrode plate; and the second separator is disposed between adjacent two of the inner electrode plates; where thickness of the first separator is greater than thickness of the second separator.
Resumen de: US2025279522A1
A protective element for arrangement on a device which emits electromagnetic radiation, wherein the device can be, for example, an at least partially electrically powered motor vehicle, the protective element comprising the following: a shielding layer for shielding against electromagnetic radiation, a plastic layer, and a contacting zone via an electrical contact can be established between the shielding layer and the device.
Resumen de: US2025279481A1
Disclosed is a lithium secondary battery (10) including a positive electrode (11), a negative electrode (12), and a non-aqueous electrolyte having lithium ion conductivity. In the negative electrode (12), lithium metal is deposited during charging, and the lithium metal is dissolved in the non-aqueous electrolyte during discharging. The non-aqueous electrolyte includes a solvent and a lithium salt. The solvent includes a non-fluorinated ether and a fluorinated cyclic monoether. The fluorinated cyclic monoether includes a cyclic structure having one ether bond. The lithium salt includes an anion of an oxalate complex.
Resumen de: US2025279524A1
The present disclosure provides a battery box beam, a battery box, and a battery module, which relates to a technical field of batteries, and aims to improve the technical problem that the connection strength of the rolled battery box beam at the connecting portion is insufficient and separation may occur. The battery box beam includes a body wall; a first beam wall connected to one end of the body wall, and the first beam wall compries a first pressure bearing section disposed opposite to the body wall; and a second beam wall connected to another end of the body wall, the second beam wall includes a second pressure bearing section, and the second pressure bearing section is disposed opposite to the body wall and extends towards and partially overlaps with the first pressure bearing section, thereby meeting the requirements of light-weight and strength of the battery module.
Resumen de: US2025279556A1
A secondary battery includes an electrode assembly including a cathode and an anode, a case in which the electrode assembly is housed, and a cap assembly which covers the case. The cap assembly includes a cap plate which covers the case and includes a terminal hole formed therein, a gasket disposed on the cap plate around the terminal hole, and a rivet which is inserted into the terminal hole to be coupled to the cap plate through the gasket, and includes a first protrusion part inserted into an upper portion of the gasket.
Resumen de: US2025276413A1
A welding positioning apparatus includes a carrier and a pressing module. The carrier includes a pressing region and placement regions, where the pressing region is formed between two placement regions spaced apart along a first direction. The pressing module includes a pressing block and a driving apparatus, where the driving apparatus is drivingly connected to the pressing block to drive the pressing block to move toward the pressing region along a second direction. A side of the pressing block facing the pressing region is provided with a pressing surface and an avoidance space. The pressing surface is configured to press a portion of a tab of an electrode assembly along the second direction. The avoidance space is located on a side of the pressing surface along the first direction and is open on a side facing the pressing region.
Resumen de: US2025276355A1
The present application discloses a die cutting method and apparatus for an electrode plate. The die cutting method for an electrode plate includes: providing an electrode-plate material. The die cutting unit performs die cutting on the electrode-plate material to produce individual electrode plates, each corresponding to the length of a single battery cell. During the die cutting process, a defect detection unit inspects the electrode-plate material for defects. A mark formed during die cutting indicates the boundary of each electrode plate. When a defect is detected, the system determines the defect's location relative to the current electrode plate being cut. Based on the position of the defect, the die cutting operation on the affected electrode plate is terminated, and die cutting is restarted on a new electrode plate. This approach allows for real-time defect management during continuous production, thereby enhancing yield and reliability of electrode plate manufacturing.
Resumen de: US2025276353A1
A system configured to roll a metal into a foil. The system includes work rollers spaced apart to accommodate the metal therebetween. The work rollers are configured to press against the metal to roll the metal into the foil. A cooling subsystem is spaced apart from the work rollers on a work line configured to feed the metal to the work rollers. The cooling subsystem is configured to cool the metal as the metal moves along the work line.
Resumen de: US2025276342A1
A coating deviation correction method includes: acquiring a first distance and a second distance, where the first distance is a distance from an edge of a coating region on a first surface of an electrode plate substrate to a reference edge, and the second distance is a distance from an edge of a coating region on a second surface of the electrode plate substrate to the reference edge; and determining a target deviation correction amount in a coating process based on the first distance, the second distance, and at least one preset deviation correction amount. The target deviation correction amount can be determined with high efficiency and accuracy by using the method.
Resumen de: US2025276339A1
A coating apparatus includes: a coating die head having a discharge port; an adjustment assembly disposed on the coating die head; and a control assembly connected to the adjustment assembly. The control assembly is configured to detect an actual surface density of coating on an electrode plate and control the adjustment assembly to adjust a flow area of the discharge port based on a difference between the actual surface density and a target surface density.
Resumen de: US2025279418A1
A positive electrode plate includes: a positive electrode current collector and a positive electrode active material layer disposed on a surface of at least one side of the positive electrode current collector and including a positive electrode active material. The positive electrode active material includes a sodium-containing positive electrode active material. A thickness of the positive active plate satisfies that Dmax/Dmin is 104.5% to 300%, where for a battery assembled from the positive electrode plate and a negative electrode plate, Dmax is a thickness of the positive electrode plate of the battery at 0% SOC, and Dmin is a thickness of the positive electrode plate of the battery at 100% SOC. The negative electrode plate includes a negative electrode current collector, and when the battery is at 100% SOC, a surface of at least one side of the negative electrode current collector has a sodium metal layer.
Resumen de: US2025279412A1
A negative electrode for an all solid-state battery includes a current collector, a first layer on the current collector, the first layer including a Si-carbon composite, and a second layer on the first layer, the second layer including a carbonaceous material and a metal, wherein a ratio of a capacity of the negative electrode/a capacity of a positive electrode is about 0.5 to about 2.
Nº publicación: US2025279407A1 04/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US2025279407A1
The present disclosure relates to an electrode film for the manufacture of a dry electrode for a secondary battery, a dry electrode comprising the same and a method for manufacturing the same. The electrode film according to an aspect of the present disclosure comprises a unit electrode film stacked in two or more layers, the unit electrode film comprising a fibrillized binder and an active material, wherein machine directions (MDs) of the unit electrode films in contact with each other among the two or more layers of unit electrode films are antiparallel to each other.
BOPI
Sede Electrónica
