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1293
resultados
Última actualización
30/09/2025 [07:12:00]
Resultados 225 a 250 de 1293
Resumen de: US2025300308A1
A battery module includes: an end plate, including an output electrode pedestal mounting slot; and an output electrode pedestal, including a base and an output electrode connector, wherein a side wall of the base is engaged with a side wall of the output electrode pedestal mounting slot, and the base includes a first receiving cavity; wherein the output electrode connector includes a connecting pedestal and a connecting portion, the connecting pedestal includes a second receiving cavity, a side wall of the connecting pedestal is engaged with a side wall of the first receiving cavity, and the connecting portion is located in the second receiving cavity and movable in translation within the second receiving cavity. The present disclosure is at least beneficial to improve the reliability of the electrical connection of the output electrode of the battery module.
Resumen de: US2025300261A1
An electrode sheet, a method for electrode sheet recycling, and an electrochemical apparatus are provided. The electrode sheet includes a current collector, a primer layer disposed on at least one surface of the current collector, an active material layer disposed on the primer layer, and an edge coating layer disposed on at least one surface of the current collector and connected to the primer layer. The primer layer includes a first water-based binder. The edge coating layer includes a second water-based binder and an inorganic material. After the electrode sheet is immersed in water for a first preset time at a first preset temperature, a first peel strength of the primer layer is less than a second peel strength of the edge coating layer.
Resumen de: US2025300246A1
A battery pack is disclosed. The battery pack includes a battery module and a battery management assembly connected to the battery module. The battery management assembly includes a printed circuit board, a positive busbar, a negative busbar, and a flexible circuit board. One end of the positive busbar and one end of the negative busbar are connected to the battery module, respectively. Another end of the positive busbar and another end of the negative busbar are connected to the printed circuit board, respectively. The flexible circuit board is connected to the positive busbar, the negative busbar, the battery module and the printed circuit board, respectively.
Resumen de: US2025300307A1
A battery and an electric device are described. The battery includes a plurality of battery cells, the plurality of battery cells are arranged in a matrix along a first direction and a second direction, the first direction being perpendicular to the second direction; and an insulating member, including a first insulating portion extending along the first direction and a second insulating portion extending along the second direction, the first insulating portion is fixedly connected to the plurality of battery cells arranged along the first direction, and the second insulating portion is fixedly connected to the plurality of battery cells arranged along the second direction.
Resumen de: US2025300298A1
A mounting apparatus for battery includes: a mounting member, where at least part of a first surface of the mounting member is a flat surface for connecting to a battery, and a protruding portion is formed on the mounting member, the protruding portion protruding in a direction leaving the first surface; and a fitting member, where the fitting member is connected to the protruding portion of the mounting member. The mounting member is connected to a casing of the battery, and then the fitting member is connected to an external component, allowing the battery to be fastened to the external component. The mounting member is connected to the casing of the battery via the flat surface.
Resumen de: US2025300213A1
A secondary battery includes an electrode wound body and first and second electrode current collector plates. The first and second electrode current collector plates are opposed to each other with the electrode wound body interposed therebetween in a width direction. The electrode wound body includes first and second end faces respectively facing the first and second electrode current collector plates in the width direction. The first end face is a portion of an edge part in the width direction, of a first electrode exposed region, that is bent in a state where a stacked body is wound, and includes: one or more first grooves each extending from an outer edge toward an inner edge of the electrode wound body to a point between the outer and inner edges; and a first ungrooved part lying closer to the first electrode current collector plate than the one or more first grooves.
Resumen de: US2025300161A1
A press for performing a calendering to an electrode plate, including: a main roll above and below the electrode plate configured to move along a first direction, the main roll to be rotated by a driving force, and having a width along a second direction perpendicular to the first direction; a pulley part on at least one of above or below the electrode plate, and spaced from the main roll along the first direction; a pressure belt rotatably connected to the main roll and the pulley part, and to rotate about the second direction by the driving force and press the electrode plate at a contact angle to extrude the electrode plate along the first direction; and a contact controller to control at least one of a contact area or the contact angle between the electrode plate and the pressure belt by controlling a position of the pulley part.
Resumen de: US2025300177A1
An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes composite particles which comprise a silicon-containing coating formed on a surface of carbon-based particles comprising porous, wherein the composite particles have a C/SiC peak intensity ratio of 1.0 to 4.5, which is measured through X-ray diffraction analysis after performing heat treatment on the composite particles at 900° C. to 1200° C. for 6 hours to 9 hours. The anode active material for a lithium secondary battery has improved capacity characteristics, output characteristics and lifespan characteristics.
Resumen de: US2025300237A1
An electrode assembly includes a separator, a first electrode and a second electrode stacked and wound with the separator between the first electrode and the second electrode. The first electrode includes a first substrate and a first composite layer disposed on the first substrate. The first composite layer is divided into at least two regions along a length direction of the first substrate. At least two regions of the first composite layer have different active material compositions.
Resumen de: US2025300225A1
The present disclosure relates to a non-aqueous electrolyte including lithium salts, an organic solvent, and an additive including a first additive and a second additive. Each of the first additive and the second additive includes a compound represented by a specific Formula.
Resumen de: US2025300464A1
A power converter includes: a power conversion unit configured to convert power input from a bus, output the converted power to a power element, convert power input from the power element, and output the converted power to the bus; a measurement unit configured to measure an electrical characteristic value of power input to and from the power conversion unit; a storage unit configured to store a first reference function and a second reference function; a setting unit configured to set a power conversion characteristic of the power conversion unit based on an electrical characteristic value; and a management unit configured to manage a renewable energy charge amount and manage an amount of power derived from renewable energy supplied from the power element.
Resumen de: US2025300335A1
A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly; a positive electrode current collector in the case and electrically connected to the first electrode plate; a rivet terminal having one side connected to the positive electrode current collector and another side extending to an outside of the case; an inner insulating part between the positive electrode current collector and the case to block an electrical connection between the positive electrode current collector and the case; and a distance-maintaining member between the inner insulating part and the positive electrode current collector to maintain a distance between the inner insulating part and the positive electrode current collector.
Resumen de: US2025300334A1
A battery module including banks connected in parallel or in series to each other, each of the banks including battery cells electrically connected in parallel to each other, a sensing tab configured to measure a voltage of each of the battery cells in each of the banks, and a high-voltage bus bar configured to make an electrical connection to another battery module. The high-voltage bus bar includes an insulating band including a synthetic resin that is an electrical nonconductor configured to electrically insulate the high-voltage bus bar from the sensing tab.
Resumen de: US2025300333A1
A battery pack includes: a battery cell including an electrode assembly, and an exterior material having a room portion accommodating the electrode assembly therein and a terrace portion from which an electrode tab electrically connected to the electrode assembly protrudes; a protection circuit module electrically connected to the battery cell and seated on the terrace portion; and an insulating portion between the protection circuit module and the terrace portion and between the room portion and the protection circuit module.
Resumen de: US2025300326A1
A busbar holder and a battery module are disclosed. A busbar holder includes a holder plate which supports a plurality of busbars electrically connecting a plurality of battery cells and a length adjuster supported by the holder plate and supporting a flexible circuit part configured to transmit an electric signal generated by measuring a state of the battery cells such that the flexible circuit part extends along a bent path.
Resumen de: US2025300325A1
A battery pack may include first, second, third, and fourth welding portions formed on each of a plurality of battery cell surfaces, wherein each of the first, second, third, and fourth welding portions may include first and second curved edges facing each other and first and second straight edges connecting the first and second curved edges to each other, the first and second welding portions may face each other in a diagonal direction, and the third and fourth welding portions may face each other in a diagonal direction between the first and second welding portions.
Resumen de: US2025300162A1
Disclosed are an apparatus and method for manufacturing an electrode and a secondary battery including the electrode. The electrode manufacturing apparatus includes a press roll having a surface roughness Ra of 0.25 μm or more, with the press roll being configured to roll an electrode sheet.
Resumen de: US2025300186A1
In general, according to an embodiment, a secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte is provided. The positive electrode includes a positive electrode active material-containing layer containing sulfur atoms. The nonaqueous electrolyte contains a sultone compound and a cyclic carbonate. In gas chromatography mass spectrometry of the nonaqueous electrolyte, in a total ion chromatogram, a ratio B/A of an area B to an area A is in a range of 0 or more and 0.000944 or less. Expression (1) below is satisfied.1×10-6≤E/M≤9×10-4Expression(1)In Expression (1), M denotes a mass (g/m3) of the sulfur atoms per unit volume of the positive electrode active material-containing layer. E denotes a concentration (mol/L) of the sultone compound in the nonaqueous electrolyte.
Resumen de: US2025300185A1
A composite active material of the present invention includes an active material and a surface portion located on the surface of the active material and containing a sulfur-containing compound. The active material contains a complex oxide containing a lithium (Li) element, a manganese (Mn) element, and an oxygen (O) element and having a spinel-type crystal structure. The active material preferably contains an element M1 (e.g., nickel) and an element M2 (e.g., titanium and aluminum). The complex oxide is also preferably represented by Li1+x(M1yM2zMn2−x−y−z)O4−δ, where 0≤x≤0.20, 0.20≤y≤1.20, 0≤z≤0.5, and 0≤δ≤0.2.
Resumen de: US2025300170A1
Provided is a technology to reduce a resistance increase rate while suppressing increase in an electrode plate expansion rate after a charge-discharge cycle of an electricity storage device having a negative electrode containing Si. According to the technology disclosed herein, an electricity storage device including a negative electrode current collector and a negative electrode active material layer disposed on the negative electrode current collector is disclosed. The negative electrode active material layer includes, as a negative electrode active material particle, a Si-containing particle that is a composite particle of a graphite substrate having a void and silicon disposed within the void of the graphite substrate. The hardness of the Si-containing particle contained in at least one of layers, into which the negative electrode active material layer is partitioned in a thickness direction thereof, is lower than a hardness of the Si-containing particle contained in the other layer.
Resumen de: US2025300224A1
A non-aqueous electrolyte for a lithium secondary battery, which includes an organic solvent, a lithium salt, a first additive which is a compound represented by Formula 1, a second additive which is lithium tetrafluoroborate, and a third additive including a saturated nitrile-based compound and an unsaturated nitrile-based compound, wherein the lithium salt is different from the second additive, and a lithium secondary battery including the non-aqueous electrolyte are described herein:wherein R1 and R2 are described herein.
Resumen de: US2025300328A1
A cylinder type rechargeable battery of the present disclosure includes: an electrode assembly; a case comprising a body portion and an inlet portion extending into the body portion and having a portion shaped as a plane, the case accommodating the electrode assembly; and a negative electrode current collecting plate comprising a base portion comprising a portion connected to the electrode assembly and a contact portion extending from an edge of the base portion toward the inlet portion and contacting the portion shaped as the plane of an inner surface of the case, the negative electrode current collecting plate being electrically connected to the electrode assembly.
Resumen de: US2025300324A1
A battery stack includes: a plurality of battery modules; and conductive members provided on both side of the battery modules in a first direction of the battery modules via an adhesive member including first and second adhesive members. Further, the conductive member, when viewed from a second direction perpendicular to the first direction, includes first and second flat plate portions, and a connecting portion located between the first flat plate portion and the second flat plate portion, the first flat plate portion is located on a battery module side in the first direction than the second flat plate portion, and a Young's modulus of the first adhesive member disposed between the first flat plate portion and the battery module is less than the Young's modulus of the second adhesive member disposed between the second flat plate portion and the battery module.
Resumen de: US2025300321A1
A battery includes: an electrode assembly in which a current collector foil, a positive electrode active material layer, and a negative electrode active material layer are stacked, and the current collector foil includes an uncoated portion not coated with the positive electrode active material layer and the negative electrode active material layer in a stacking direction; a first sealing member having a quadrilateral frame shape, the first sealing member being disposed so as to cover a region of the uncoated portion on an end side of the current collector foil; and a second sealing member having a quadrilateral frame shape, the second sealing member being disposed so as to cover an outer surface of the first sealing member. The second sealing member is configured of a material having a linear thermal expansion coefficient of 40×10−6/° C. or less in at least a region of a corner portion.
Nº publicación: US2025300330A1 25/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US2025300330A1
The present invention relates to an electrode assembly configured such that a separator is interposed between a plurality of electrodes each having an electrode tab protruding therefrom and the electrode tabs are stacked to form a tab bundle, wherein a convex portion and a concave portion are successively formed at the tab bundle so as to extend in a longitudinal direction of the electrodes. The convex portion and the concave portion formed at the tab bundle ensure the length margin of the electrode tabs to prevent tab breakage.
BOPI
Sede Electrónica
