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1797
resultados
Última actualización
12/10/2025 [07:12:00]
Resultados 1250 a 1275 de 1797
Resumen de: US2025309462A1
A battery pack includes a lower housing, a cell stack body, a foaming adhesive, a cover, and a partition structure. The lower housing has an upper opening and an exhaust portion. The cell stack body includes multiple stacked pouch cells, and is disposed in the lower housing, with the bottom side of the cell stack body connected and fixed to the baseplate of the lower housing. The foaming adhesive is filled and connected between the tab side of the cell stack body and the lower housing. The cover is located on the top side of the cell stack body and covers the upper opening of the lower housing. The partition structure is clamped between the cover and the cell stack body, and cooperates with the cover and the cell stack body to define an exhaust channel extending along the stacking direction of the pouch cell.
Resumen de: US2025309493A1
A secondary battery includes a positive electrode plate and a negative electrode plate. The positive electrode plate includes a positive electrode plate body and a first tab portion. The positive electrode plate body is provided with a first notch and a second notch. The first tab portion is located at the first notch. The negative electrode plate includes a negative electrode plate body, a second tab portion, and a third tab portion. The negative electrode plate body is provided with a third notch and a fourth notch. The second tab portion is located at the third notch. The third tab portion is located at the fourth notch. Viewed along a third direction, a projection of the first tab portion at least partially overlaps with a projection of the second tab portion.
Resumen de: US2025309501A1
The present application discloses standard terminal, cover plate, and secondary battery, relating to the field of battery technology. The standard terminal comprises a lower aluminum ring; a sealing ring, arranged on the lower aluminum ring; a pole, arranged on the top of the sealing ring, the pole comprises an upper end portion and a lower end portion, the outer diameter of the axial surface of the lower end portion is greater than that of the upper end portion, the axial surface of the lower end portion forms a conical surface structure tapering from top to bottom; an upper aluminum ring, arranged on the lower aluminum ring for fixing the pole; an injection molding layer, covering the outer surface of the upper aluminum ring and the pole for isolating the upper aluminum ring and the pole. The cover plate uses the standard terminal, and the secondary battery uses the cover plate.
Resumen de: US2025309498A1
A battery cell pack includes a first battery cell that has a first tab and a second tab. The battery cell pack also includes a second battery cell that includes its own first tab and second tab. The tabs of the two battery cells are offset from each other so that the battery cells can be positioned closer to each other, thereby freeing up space in the battery casing for more battery cells.
Resumen de: US2025309426A1
A cell-seating unit may include a lower plate member in which a secondary battery cell is seated while being in contact with a side surface portion of the secondary battery cell; an upper plate member disposed to face the lower plate member; and a middle plate member coupled to the lower plate member and the upper plate member for connection thereof while being in contact with a bottom portion of the secondary battery cell.
Resumen de: US2025309419A1
A battery cell with improved safety is disclosed. The battery cell is capable of preventing high temperature heat or flames from being transferred to an adjacent battery cell when an event of the battery cell occurs A battery module including the battery cell, and a battery pack including the battery cell are also disclosed. The battery cell comprises a case; an electrode assembly accommodated inside the case; a cap assembly disposed on the case; and a protective layer disposed on the cap assembly and on the sides of the case. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate. The protective layer comprises a support surface and a plurality of sides bent from the support surface, and the support surface comprises regions of different thicknesses.
Resumen de: US2025309405A1
A battery pack according to one embodiment of the present disclosure includes at least one battery module including a plurality of battery cells, a base plate that supports the battery module from below, a pack housing that is coupled to the base plate and covers a lateral side of the battery module, a first heat sink that is positioned at a lower side of the base plate and has a first flow path formed therein, through which a cooling liquid flows, and a second heat sink that covers an upper side of the battery module and has a second flow path formed therein, through which the cooling liquid flows.
Resumen de: US2025309413A1
A rechargeable battery includes an electrode assembly, a can that accommodates the electrode assembly in the inner (interior) space, and a cap plate that is coupled to the opening side end of the can and seals the can. The can includes a main can and a reinforcing portion. The main can includes a bottom portion with a first thickness and a side portion that is connected to the edge of the bottom portion and has a second thickness smaller than the first thickness. The reinforcing portion is positioned inside the side portion. The reinforcing portion has a third thickness less than the second thickness and a strength greater than a strength of the main can. The sum of the second thickness and the third thickness is less than the first thickness.
Resumen de: US2025309391A1
A method of manufacturing a positive electrode active material comprises a first grinding step of grinding a positive electrode scrap of a lithium battery. The ground positive electrode scrap is heat treated. The heat treated positive electrode scrap is ground, and a current collector component and an active material component are separated from the heat treated and ground positive electrode scrap. A solvent is used to wash the separated active material component, solid is separated from liquid, and the solid is dried. With the method, positive electrode active material may be effectively recovered from a positive electrode scrap produced during the fabrication of a rechargeable lithium battery.
Resumen de: US2025309233A1
An electrode plate processing system, a method for processing an electrode plate, an electrode plate, a battery, and an electric apparatus. The electrode plate processing system includes a flame heating unit, where the flame heating unit is configured to perform flame heating treatment on an electrode plate. The method for processing an electrode plate includes: performing flame heating treatment on an electrode plate, such that a surface layer temperature of an active layer is greater than or equal to a softening temperature or a melting temperature of a binder and less than the lowest temperature of a decomposition temperature, an oxidation temperature, and an ignition temperature of an active material.
Resumen de: US2025309234A1
Provided in the present application are a positive electrode active material, a positive electrode sheet, a secondary battery, and an electric device. The positive electrode active material is present in a form of secondary particles formed through aggregation of primary particles. At least some of the secondary particles have pores. A particle size distribution diagram of the positive electrode active material that is measured by using a laser diffraction method is of a bimodal shape. A difference between a peak position of a second peak and a peak position of a first peak is 1 μm to 13 μm.
Resumen de: US2025309227A1
A method for manufacturing a negative electrode according to an embodiment of the present invention for a lithium metal secondary battery includes pressing a recess-and-projection transfer material in which a plurality of recesses having a diameter falling within a range of 2 μm or more and 20 μm or less and a depth of 12 μm or less are arranged against a surface of a laminate on a lithium-containing metal layer side, the laminate including a negative electrode current collector and a lithium-containing metal layer arranged on at least one of surfaces of the negative electrode current collector, and forming recesses and projections on a surface of the lithium-containing metal layer.
Resumen de: US2025309226A1
A manufacturing method for a solid-state battery includes: a negative electrode-side sheet member forming step; a positive electrode-side sheet member forming step; and an integrating pressing step, in which the negative electrode-side sheet member forming step includes: a negative electrode-side solid electrolyte layer transferring step of at least pressing and transferring the negative electrode-side solid electrolyte layer to the negative electrode current collector, and a negative electrode-side sheet member cutting step, and the positive electrode-side sheet member forming step includes a positive electrode pressing step of at least pressing a positive electrode current collector and a positive electrode active material layer, in which a first solid electrolyte layer is provided to a surface of the positive electrode-side sheet member opposing the negative electrode-side solid electrolyte layer prior to the integrating step, and the negative electrode-side solid electrolyte layer has a smaller content of binder than the first solid electrolyte layer.
Resumen de: US2025309484A1
The busbar holder mounting method includes an opening step, a positioning step, a mounting step, and a releasing step. The busbar holder holds the busbars arranged side by side in the X direction so as to be relatively movable in the X direction. In the opening step, a comb tooth jig is inserted between the tab leads to open the tips of the tab leads in the X direction. In the positioning step, the busbar holder is gripped by a predetermined holder gripper, and the holder gripper is engaged with the plurality of busbars, thereby positioning the busbars in the X direction relative to the holder gripper and the busbar holder. In the mounting step, the busbar holder is mounted to the cell stack. In the releasing step, the positioning of the busbars in the X direction by the holder gripper is released.
Resumen de: US2025309487A1
In one aspect, a cell contact system of an energy storage battery includes a conductive aluminum busbar, the conductive aluminum busbar including a first electric-connecting element and a second electric-connecting element, the first electric-connecting element and the second electric-connecting element having first different specifications configured to provide error-proofing assembly for the cell contact system of the energy storage battery, and a length of a first electric-connecting portion of the first electric-connecting element bening different from a length of a second electric-connecting portion of the second electric-connecting element.
Resumen de: US2025309478A1
A solid-state secondary battery according to one embodiment of the present invention includes a positive electrode layer; a negative electrode layer; a solid-state electrolyte layer disposed between the positive electrode layer and the negative electrode layer; and an intermediate layer disposed between the negative electrode layer and the solid-state electrolyte layer. The intermediate layer contains carbon, silicon particles, and a binder. The intermediate layer has a composite modulus of elasticity of 200 MPa or less.
Resumen de: US2025309472A1
A battery cell, a battery, and an electrical device are provided. The battery cell includes a housing, a core assembly, a support positioned at one end of the core assembly, and an insulating member configured to match the support and wrap the core assembly. The core assembly, support, and insulating member are contained within the housing, with at least a portion of the insulating member connected to a wall surface of the support that is distal to the core assembly. This configuration enhances the connection reliability between the insulating member and the support, reduces the risk of the insulating member detaching, minimizes housing corrosion due to core assembly exposure, mitigates core assembly failure, and decreases the likelihood of electrolyte leakage, thereby improving the reliability and stability of the battery cell.
Resumen de: US2025309390A1
The present disclosure relates to a method and device for recycling a polyanion-based lithium cathode material for a lithium secondary battery, and more particularly, to a method and device for recycling a polyanion-based lithium cathode material capable of simply and efficiently separating high-value substances of a secondary battery cathode material without generating toxic byproducts such as acid waste.
Resumen de: US2025309384A1
The present disclosure relates to a battery inspection apparatus including a grip detachably fixed to a separator located at an outermost layer of an electrode assembly and separating the separator by moving along a predetermined separation path in the electrode assembly, the electrode assembly being formed by alternately stacking a first electrode and a second electrode having a different electrical polarity from the first electrode between the separator in a predetermined stacking direction, a separation unit separating the first electrode and the second electrode from the electrode assembly according to separation of the separator, and a sensing unit located in the separation path and sensing damage to electrical insulation in the separator moved by the grip, and an inspection method the battery inspection apparatus.
Resumen de: US2025309380A1
A characteristic measuring jig includes a support, an impedance measuring part, and an elevating part configured to elevate the impedance measuring part. The impedance measuring part includes first and second positive electrode contact parts in contact with the positive electrode terminal, first and second negative electrode contact parts in contact with the negative electrode terminal and opposite to the first and second positive electrode contact parts, a first terminal for current connected to the first positive electrode contact part for applying current to the battery cell, a first terminal for voltage connected to the second positive electrode contact part for measuring the voltage of the battery cell, a second terminal for current connected to the first negative electrode contact part for applying current to the battery cell, and a second terminal for voltage connected to the second negative electrode contact part for measuring voltage of the battery cell.
Resumen de: US2025309378A1
An apparatus for monitoring a battery status, a battery management system (BMS), and an ignition circuit for the battery management system provide a circuit topology capable of monitoring a status of a battery device at all times irrespective of an enabled or disabled state of the BMS. In a specific configuration, based on a structure in which a thermal fuse is provided in a battery device, according to a battery status monitoring signal generated according to a status of a thermal fuse block, an electrical connection of the battery device to a power supply block inside a BMS is enabled or disabled, or an operation trigger for the power supply block is controlled.
Resumen de: US2025309334A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes: a current collector; a first negative active material layer on the current collector and including a first negative active material; and a second negative active material layer on the first negative active material layer and including a second negative active material, wherein the first negative active material layer and the second negative active material layer have a peak intensity ratio (I(002)/I(110)) of a peak intensity at a (002) plane relative to a peak intensity at a (110) plane of 150 or less when measured by X-ray powder diffraction (XRD) using a CuKα ray.
Resumen de: US2025309230A1
An aging method of a lithium metal secondary battery according to an embodiment of the present invention is the aging method of the lithium metal secondary battery including an electrode laminated body having a positive electrode layer, a separator, and a negative electrode layer laminated in this order, and an electrolytic solution, the negative electrode layer including a lithium-containing metal layer, and the aging method includes: a wetting process of holding the lithium metal secondary battery under specified conditions and a first charging process of starting charging of the lithium metal secondary battery under specified conditions.
Resumen de: US2025309222A1
Provided is a coating apparatus that includes: a conveyer configured to continuously convey a sheet-shaped material to be coated; a first die head configured to discontinuously form a first coating by intermittently discharging a first slurry toward a first surface region of the material to be coated that is conveyed continuously; a first storage configured to store the first slurry; a first supply channel for supplying the first slurry from the first storage to the first die head; and a first shutoff valve that is provided to the first supply channel and can shut off supply of the first slurry, the first supply channel having, in a range of motion by the first shutoff valve, a region having an inner diameter that is substantially the same as an outer diameter of the first shutoff valve.
Nº publicación: US2025309224A1 02/10/2025
Solicitante:
HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD
Resumen de: US2025309224A1
There is provided a coating device including: a conveyer that continuously conveys a sheet-shaped material-to-be-coated; a first die head that intermittently discharges a first slurry toward a first surface region of the material-to-be-coated being continuously conveyed, to discontinuously form a first coated section; and a first gas ejector that ejects a first gas toward a terminal end of the first slurry being intermittently discharged, wherein the first die head has a slit-shaped first discharge port that discharges the first slurry in a direction substantially perpendicular to a convey direction of the material-to-be-coated in the first surface region and that extends in a width direction of the conveyer, the first gas ejector has: a slit-shaped first ejection port that ejects the first gas in a direction substantially parallel to the convey direction of the material-to-be-coated in the first surface region and that extends in the width direction of the conveyer.
BOPI
Sede Electrónica
