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960
resultados
Última actualización
06/08/2025 [07:11:00]
Resultados 575 a 600 de 960
Resumen de: US2025237711A1
An electrode loss measuring apparatus includes an electrode which moves in a roll-to-roll state between an unwinder and a rewinder and on which a plurality of reference points are marked at predetermined intervals. The apparatus further includes a reference point detector configured to detect the reference points marked on the electrode, a position measurer configured to derive a position value of the electrode according to a rotation amount of the unwinder or the rewinder and a position value of the corresponding reference point in conjunction with the reference point detector when the reference point detector detects the reference point, and a calculator configured to calculate a loss amount of the electrode by comparing the derived position value of the reference point with a position value of a set reference point when an interval between the reference points is changed due to a loss of a portion of the electrode.
Resumen de: US2025239737A1
The present invention relates to a busbar assembly including a busbar body configured in the form of a wire assembly constituted by a plurality of wires and a coupling unit coupled to the wires at each of opposite ends of the busbar body, wherein the busbar body is flexible so as to be freely deformable, and a cooling function is improved.
Resumen de: US2025239698A1
A secondary battery includes an electrode assembly; a can configured to accommodate the electrode assembly that includes an open upper surface and a beading part and a crimping part on a side portion of the can; a cap plate between the beading part and the crimping part of the can that is configured to close the open upper surface of the can; a first gasket between the can and an edge part of the cap plate that includes an upper end at a same height as or below an upper surface of the edge part of the cap plate; and a terminal electrically connected to the electrode assembly.
Resumen de: US2025239696A1
A battery pack includes: a battery cell; a first attachment cover surrounding a first portion of the battery cell and is attachable to and detachable from the battery cell; a second attachment cover surrounding a second portion of the battery cell at a different location from the first attachment cover and is attachable to and detachable from the battery cell; and a release cover covering at least a portion of the first attachment cover and at least a portion of the second attachment cover and is attachable to and detachable from the first attachment cover and the second attachment cover.
Resumen de: US2025239790A1
A battery clamp is provided that includes a first inner metal battery clamp member having a handle portion, a clamp portion, and a first pair of pivot plate portions; a second inner metal battery clamp member having a handle portion, a clamp portion, and a second pair of pivot plate portions overlapping with the first pair of pivot plate portions, the second pair of pivot plate portions having arc-shaped flanges protruding outwardly from the sides of the second inner metal battery clamp member to accommodate the first pair of pivot plate portions, wherein the first pair of pivot plate portions are arc-shaped and nest within the arc-shaped flanges of the second inner metal battery clamp member; a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp member; a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp member; and a pivot pin pivotally connecting the first inner metal battery clamp member to the second inner metal battery clamp member, the first outer insulating battery clamp member and/or the second outer insulating battery clamp member including a protective cover section covering an end of the pivot pin.
Resumen de: US2025239734A1
A battery cell, a battery, and an electric apparatus are disclosed. The battery cell includes a housing and an electrode assembly, the electrode assembly being disposed in the housing, where a buffer member is further disposed in the housing, and the buffer member is configured to be deformable when the electrode assembly deforms.
Resumen de: US2025239732A1
A secondary battery includes an electrode body including first electrode plates, second electrode plates and a separator disposed therebetween. The separator is bent in a zigzag manner, and includes a first bent part folded at an end part of the first electrode plate and a second bent part folded at an end part of the second electrode plate. The first bent parts are disposed on one side surface side of a pair of side surfaces of the electrode body that face each other, and the second bent parts are disposed on the other side surface side thereof. A first end part and a second end part of the separator are disposed at one side surface of the pair of side surfaces of the electrode body. In the electrode body, the separator exists on both outermost surfaces in a stacking direction of the first and second electrode plates.
Resumen de: US2025239727A1
An energy storage system configured to allow smooth air circulation in normal operating conditions and to prevent the spread of smoke and a fire in the event of a fire. The energy storage system includes a container, accommodation portions inside the container and individually accommodating a battery rack or an air conditioner, a partition between adjacent accommodation portions, a ventilation hole passing through the partition and connecting the adjacent accommodation portions, and a blocking member configured to block a flame or smoke generated in one of the adjacent accommodation portions from passing through the ventilation hole.
Resumen de: US2025239721A1
A protective member for connecting to a battery cell. The battery cell includes a pressure relief mechanism and a protective film arranged at an outer side of the pressure relief mechanism. The protective member is used for covering at least a part of the protective film from the outer side.
Resumen de: US2025239726A1
An energy storage system according to one or more embodiments of the present disclosure includes: a container configured to accommodate a battery rack; a hood comprising a vent connected with an internal space of the container; an opening/closing member that is installed in the hood and opens or closes the vent; and a fire extinguishing unit outside the container that sprays a fire extinguishing liquid toward the vent as the opening/closing member opens the vent.
Resumen de: US2025239746A1
A cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and electrically connected to the second electrode plate; a terminal electrically connected to the first electrode plate and coupled to the case via a first gasket; a cap plate configured to seal an upper end portion of the case, a second gasket between the case and the cap plate; a first current collector between a lower surface of the electrode assembly and the terminal; and a second current collector between an upper surface of the electrode assembly and the cap plate and at one side of an edge region thereof between the case and the second gasket. An electrically conductive connection induction portion is on at least one of the cap plate or the second current collector.
Resumen de: US2025239585A1
The present disclosure relates to a dry electrode for a secondary battery, a method for manufacturing the same and a secondary battery comprising the same, and the method for manufacturing the dry electrode according to an aspect of the present disclosure comprises (S1) obtaining a first electrode powder from a mixture comprising an active material and a binder; (S2) kneading the first electrode powder and a reused electrode powder to obtain a mass of mixture; (S3) pulverizing the mass of mixture to obtain a second electrode powder; (S4) calendaring the second electrode powder to obtain an electrode film; and (S5) placing and laminating the electrode film on at least one surface of a current collector.
Resumen de: US2025239743A1
A cylindrical battery, which includes an electrode assembly including a first electrode tab and a second electrode tab; a battery housing configured to accommodate the electrode assembly through an open portion and connected to the first electrode tab; a first current collecting plate having a support portion disposed on the electrode assembly, at least one first tab coupling portion extending from the support portion, and at least one housing coupling portion extending from an end of the first tab coupling portion; a second current collecting plate having a rim portion disposed on the electrode assembly, a second tab coupling portion extending inwardly from the rim portion, and a terminal coupling portion spaced apart from the second tab coupling portion; a cap plate configured to seal the open portion; and a battery terminal coupled with the terminal coupling portion.
Resumen de: WO2025154299A1
A support for a secondary battery that is for holding a solid electrolyte of a secondary battery, the support being substantially free of fibrillated fibers and comprising at least one selected from paper and non-woven fabric, and the transmittance of a perfluoropolyether in the thickness direction being 10-45%.
Resumen de: WO2025154301A1
A support for a secondary battery that is for holding a solid electrolyte of a secondary battery, the support comprising at least one selected from paper and non-woven fabric and being formed from fibrillated and non-fibrillated fibers, and the transmittance of a perfluoropolyether in the thickness direction being 2-30%.
Resumen de: WO2025154300A1
A support for a secondary battery that is for holding a solid electrolyte of a secondary battery, the support being substantially free of non-fibrillated fibers and comprising at least one selected from paper and non-woven fabric, and the transmittance of a perfluoropolyether in the thickness direction being 1-15%.
Resumen de: WO2025155551A1
A disordered rocksalt comprising Fe and one or more of Nb, Ti, W, Sb, Zr, Hf and Ta having at least a portion of the Fe in a 2+ valence state is prepared by milling precursors under a non-oxidizing atmosphere and the precursors for Fe have an average valence of less than 3+.
Resumen de: WO2025154287A1
Provided is a battery maintenance system comprising: a supply path for supplying a liquid to a battery; a first on-off valve provided on the supply path; and a second on-off valve provided downstream of the first on-off valve in a supply direction of the liquid on the supply path.
Resumen de: WO2025154157A1
Problem To provide a method and an apparatus for manufacturing an electrode for an energy storage device whereby a more compact electrode coating apparatus, an improvement in electrode production speed, and a reduction in running costs can be achieved. Solution Provided is a method for manufacturing an electrode for an energy storage device, the method comprising: a step A for applying a slurry to a rolled current collector conveyed in one direction at a prescribed speed; a step B for heating the applied slurry to a temperature not below 30°C and not above the boiling point of a dispersant in the slurry; and a step C for irradiating the slurry applied to the current collector with laser light of a wavelength equal to or greater than 435 nm and less than 550 nm, or of a wavelength equal to or greater than 890 nm and less than 1100 nm, from a laser irradiation unit, wherein the slurry contains 0.1% by mass or more of carbon relative to the solid content of the slurry.
Resumen de: WO2025153935A1
According to one aspect of the present invention, a rechargeable battery is produced by not utilizing lithium metal foil, but utilizing a negative electrode on which a charging process for pre-doping has been carried out. A pre-doping electrode is prepared, and before the charging process is performed, an outer casing is sealed. After the charging process for pre-doping has ended, a portion of the outer casing is cut off, the pre-doping electrode is drawn out, and the outer casing is resealed, thereby producing a rechargeable battery. When pulling out the pre-doping electrode, an end part of the electrode film is pulled nimbly and smoothly.
Resumen de: WO2025153073A1
The present application discloses a hard carbon material and a preparation method therefor, a negative electrode material, and a sodium ion battery. The atomic pair distribution function technology is used to deconstruct crystal information, and the hard carbon material with the lattice curvature Formula (1) being 0.03-0.15 and the closed-cell volume being 0.04-0.5 cm3·g-1 has a high closed-cell ratio, large sodium storage capacity, and excellent pore strength, is not prone to structural collapse during long-term charge and discharge processes, and has high cycle stability.
Resumen de: WO2025155945A1
A composite electrode plate and its manufacturing method and a solid state battery are provided. The composite electrode plate includes an electrode plate body. At least part of side edges of the electrode plate body is provided with an edge sealing portion, and the edge sealing portion is made of an insulation material. The electrode plate body includes a current collector and a functional layer stacked with the current collector, and the edge sealing portion at least covers part of side edges of the current collector and part of side edges of the functional layer. By providing the edge sealing portion, the composite electrode plate can reduce the risk of short circuit during the hot-pressing process, the risk of coming into contact with water and oxygen during the manufacturing process, and the risk of occurring cracks or even fractures during use.
Resumen de: WO2025155482A1
Disclosed are methods and systems for preparing a lithium (Li) composite foil comprising multiple Li strips on at least one side of a collector foil with a gap between adjacent Li strips. In one embodiment, the method comprises: 1) providing a Li foil comprising a Li layer on a support layer; 2) cutting the Li layer of the Li foil, on a cutting device comprising two blades in parallel, into a precut Li foil comprising multiple Li strips; 3) via a pair of rollers with a slot on at least one of rollers, laminating the multiple Li strips to a collector foil while leaving the multiple Li interstrips uncompressed or less compressed as each interstrip fits into the slot; and 4) removing the multiple Li strips from the support layer.
Resumen de: WO2025154966A1
A battery activation process facility according to the present invention includes: multiple charging/discharging devices for charging or discharging battery cells; a container rack configured to enable the multiple charging/discharging devices to be stacked in multiple stages; a catwalk, as a passage through which workers pass, installed at the upmost end of the container rack; a booth duct positioned at a predetermined height from the uppermost end of the container rack; and a duct support unit which is mounted to the container rack or the catwalk and supports the booth duct.
Nº publicación: WO2025155866A1 24/07/2025
Solicitante:
DARAMIC LLC [US]
DARAMIC, LLC
Resumen de: WO2025155866A1
A coated battery separator, coated battery gelation composite substrate, or coated battery separator membrane is provided comprising a microporous substrate; and a coating on one or both sides of the microporous substrate. The coating comprises a polymeric binder and inorganic filler or siliceous material. In some examples, the separator is coated on one or both sides of the microporous substrate or membrane, wherein the coating comprises a polymeric binder, siliceous material, and carboxymethyl cellulose (CMC). In some examples, the microporous substrate may be a ribbed microporous substrate comprising polyethylene. Also provided are batteries including the coated battery separator, coated battery gelation composite substrate, or coated battery separator membrane. Such batteries may be improved flooded lead acid batteries, VRLA gel batteries, AGM batteries, storage batteries, or flow batteries.
BOPI
Sede Electrónica
