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1450
results.
Updated on
18/07/2025 [07:37:00]
Results 525 to 550 of 1450
Absstract of: US2025223129A1
A floatation roll supports a work to be conveyed contactlessly using a force applied to the work contactlessly. The floatation roll has a cylindrical shape extending in a direction of width of the work, and at least a surface of the floatation roll facing the work being formed by a circumferential surface. A driving unit rotates the floatation roll in a yaw direction. Of a wrap angle of the work supported by the floatation roll contactlessly, a wrap angle on an entry side with respect to an apex point and a wrap angle on an exit side with respect to the apex point are set to be different.
Absstract of: US2025223126A1
A mandrel member of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate, a separator, and a second electrode plate, the mandrel member comprising a cylindrical body having a hollow portion, wherein the cylindrical body includes a plurality of slits having a planar shape to cross the cylindrical body in a hollow axis direction so that the hollow portion inside the cylindrical body is in fluid communication with the outside of the cylindrical body.
Absstract of: US2025222826A1
Electrically powered vehicles with redundant power distribution circuits employ inverters and a multi-phase alternating current (AC) motor. An electrically powered vehicle includes batteries, inverters, interphase transformers, and a three-phase AC motor. Each of the inverters generates a three-phase AC input from power supplied by an associated one of the batteries. The interphase transformers generate drive phases for the AC motor from the three-phase AC inputs generated by the inverters.
Absstract of: US2025226756A1
A method of fabricating an electrical-energy storage device includes: depositing a first conductive layer onto a substrate; spin-coating a photoresist layer onto the conductive layer; applying a mask to the photoresist layer and exposing the masked photoresist layer under a light, the mask having a predefined pattern; removing the un-exposed part of the photoresist layer with development; depositing a first conductive material to the photoresist layer for allowing the conductive material to fill the removed part of the photoresist layer; dissolving the photoresist layer for forming a first set of conductive structures; depositing a layer of a dielectric material to the deposited first conductive material for forming a dielectric layer thereon; depositing a second conductive material to the dielectric layer forming a second set of structures, and electroplating a third conductive material to the second set of structures.
Absstract of: US2025226674A1
The present disclosure relates to an apparatus and a method for discharging a battery. An apparatus for discharging a battery according to embodiments includes a discharger, a first switch connected between the discharger and the battery, and a charge pump that includes a first capacitor, that is configured to charge the first capacitor with an electric energy charged in the battery when a first control signal indicating a normal state is input, and that is configured to connect the discharger and the battery by operating the first switch with an electric energy charged in the first capacitor when a second control signal indicating an occurrence of a fire event is input.
Absstract of: US2025226541A1
A battery cell assembly includes a cell assembly, a holder, and N conducting sheets. The cell assembly includes M cells stacked along a first direction. Each cell includes a cell housing, an electrode terminal, and an electrode assembly disposed within the cell housing. The electrode terminal is connected to the electrode assembly and extends out of the cell housing. A welding part is provided on a portion of the electrode terminal located outside the cell housing. Along the first direction, a projection of the welding part of the each cell is spaced apart from a projection of the welding part of an adjacent cell. The N conducting sheets are spaced apart within the holder. At least a portion of each conducting sheet is exposed through the holder. The electrode terminals pass through the holder. The welding part is connected to the portion of the conducting sheet exposed through the holder.
Absstract of: US2025226501A1
An energy storage apparatus, belonging to the technical field of energy storage apparatuses is described. The energy storage apparatus comprises an energy storage box body and a plurality of batteries, the energy storage box body having a battery compartment, and the battery compartment having an opening in a first direction; the plurality of batteries being provided within the battery compartment, and one battery being arranged in the battery compartment along the first direction. The energy storage apparatus according to the embodiments of the present application has high energy density.
Absstract of: US2025226490A1
The present disclosure relates to a cylindrical battery, specifically to a cylindrical battery having an electrode assembly and a battery case including an electrode assembly accommodation part, and more specifically to a cylindrical secondary battery having a jelly-roll type electrode assembly with an outer circumferential tab structure and a battery case including a protrusion part provided on at least a portion of an electrode assembly accommodation part.
Absstract of: US2025226476A1
There is provided a vehicle battery unit including: a battery module including a battery cell stack where chargeable-dischargeable battery cells are stacked; a housing case including upper and lower cases and having a housing space to house the battery module; a flow-path forming plate defining a plate-shaped refrigerant-flow-path with the lower-case bottom at a predetermined flow-path interval, the battery module being cooled with a liquid-refrigerant flowing through the plate-shaped refrigerant-flow-path from a bottom-rear-surface of the lower case, the plate-shaped refrigerant-flow-path having a flow region accounting for 90% or more of the bottom-rear-surface of the lower case; a refrigerant-supply-nozzle being a slit or flat nozzle, the liquid-refrigerant being supplied through the refrigerant-supply-nozzle to flow over 90% or more of a flow path width of the plate-shaped refrigerant-flow-path; a liquid-refrigerant-supply header that supplies the liquid-refrigerant to the refrigerant-supply-nozzle; and a liquid-refrigerant-discharge header that discharges the liquid-refrigerant from the plate-shaped refrigerant-flow-path.
Absstract of: US2025226436A1
Embodiments of the present technology may include flexible all-solid-state lithium-ion batteries. The batteries may include a plurality of jelly roll battery cells. Each jelly roll battery cell may include a cathode, an anode. and a hybrid solid electrolyte membrane. The cathode may be or include a first self-supporting lithium-based composite. The anode may be or include a second self-supporting lithium-based composite. The hybrid solid electrolyte membrane may be positioned between the cathode and the anode.
Absstract of: US2025226434A1
Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof. More specifically, Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof, in which a pressurizing part, where a high-temperature pressurizing process is performed between a solid electrolyte and an active material of an all-solid-state secondary battery to maximize a contact interface and minimize an interfacial resistance, is configured along a perpendicular direction, thereby eliminating the need for a process of discharging a fluid from an internal space of a vessel after completing the high-temperature pressurizing process, reducing a tact time. At the same time, a plurality of pressurizing parts is arranged at predetermined intervals, thereby increasing process efficiency.
Absstract of: US2025226435A1
A battery cell and a method of manufacturing a battery cell are disclosed. A battery cell includes an electrode assembly including a first electrode plate and a second electrode plate, a case in which the electrode assembly is accommodated, a cap assembly configured to cover an open area of the case, and a gasket between an upper portion of the electrode assembly and the cap assembly and arranged in close contact with the case.
Absstract of: US2025226456A1
A method and apparatus for generating electricity using an electrochemical cell with a thin aluminum wire as the anode, oxygen extracted from ambient air as the cathode, and a bioplastic electrolyte. The invention teaches the use of inexpensive materials and simplified fuel cell construction and assembling of cells into modules, and modules into ultra-low-cost electricity generators.
Absstract of: US2025222827A1
An immersion cooling system having a dual pump system architecture and operation for immersion cooling of batteries for electric vehicles. The system can include a first pump and a second pump arranged in parallel, the first pump being, relative to the second pump, a high-pressure, low-flow pump. The differences in pressure and flow rate capacities of the pumps can be beneficial with respect to the pumping of a dielectric cooling fluid at different viscosities. In instances in which the dielectric cooling fluid has a relatively high viscosity, the immersion cooling system can selectively operate in a pressure mode wherein the relatively higher-pressure capabilities of the first pump are utilized. Conversely, in instances in which the dielectric cooling fluid has a relatively low viscosity, the immersion cooling system can selectively operate in a flow mode wherein the relatively higher flow capabilities of the second pump are utilized.
Absstract of: US2025222788A1
A supercapacitor pack is provided for a vehicle having a power source comprising a battery pack accommodated in a battery pack housing of the vehicle. The supercapacitor pack comprises a housing having means for attaching the supercapacitor pack to the battery pack housing such that a surface of the supercapacitor pack housing contacts a surface of at least one battery of the battery pack to secure or at least stabilize the position of the at least one battery relative to the battery pack housing. The supercapacitor pack housing has an interior space accommodating one or more supercapacitor devices. The one or more supercapacitor devices are electrically connected to an electrical port provided on the supercapacitor pack housing. This enables the supercapacitor pack to be electrically easily connected to the battery pack of the vehicle.
Absstract of: US2025222775A1
A power system for driving a direct current electric motor that is controlled by a driving voltage. The power system includes a plurality of cell modules, each cell module having one or more cells and a plurality of connectors for connecting the cell modules to form a configurable battery to generate the driving voltage. The connectors connect the cell modules into configurable clusters. A voltage level controller controls the configuration of the configurable clusters to provide the driving voltage at one of a set of selectable voltage levels, wherein for each voltage level of said set a share of a current drawn from each of the cell modules with respect to a total current drawn from the configurable battery is lower than for each higher voltage level of said set.
Absstract of: US2025222660A1
A method of manufacturing a current collector foil with a resin film includes a step A of cutting a metal foil for a current collector foil into sheets, a step B of allowing a movable stage to hold the cut metal foil for each sheet by suction and allowing the movable stage to move the metal foil held by suction onto a resin film, and a step C of bringing the resin film into contact with the metal foil to heat fusion-weld the resin film to the metal foil, in which the movable stage includes a plate-like body including a heating-suction region, and an area of the heating-suction region is smaller than an area of the cut metal foil.
Absstract of: US2025222543A1
A metal foil laser cutting method includes: intermittently irradiating a metal foil that forms an electrode of a battery and that serves as a workpiece with a pulse of a laser light of which energy per pulse is 2 mJ or more and 100 mJ or less and of which rise time is 2 μs or shorter to laser cut the workpiece.
Absstract of: US2025226524A1
This application provides an exhaust assembly, a battery pack, and an electrical device. The exhaust assembly includes an exhaust portion, a connecting portion, and a sealing structure. The exhaust portion is configured to receive emissions from a battery cell. The exhaust assembly is connected to a box of the battery pack by the connecting portion. The sealing structure is disposed at a junction between the connecting portion and the box. In this application, high-temperature and high-pressure gases and conductive particles expelled from a thermally runaway battery cell can enter the exhaust portion and be directionally expelled out of the battery pack through the exhaust portion. The connecting portion may be connected to the box of the battery pack by a connecting piece such as a bolt. The sealing structure can seal a gap at a junction between the connecting portion and the box.
Absstract of: US2025226527A1
Embodiments of the present disclosure relate to a battery assembly including a plurality of battery cells stacked and arranged in one direction, an accommodating case accommodating the plurality of battery cells, an insertion space formed between the plurality of battery cells and the accommodating case, and an insertion member including a first region tapered toward one end and positioned in the insertion space, and an assembling method of the same.
Absstract of: US2025226518A1
A battery cell having a housing, which has a cover surface, a bottom surface and at least one lateral surface, and an auxiliary device which is at least partially arranged on the lateral surface and the bottom surface, are described. The housing has a recess at the bottom surface, and the auxiliary device completely covers the recess. Also described are an energy store and a method for venting a battery cell.
Absstract of: US2025226556A1
A battery pack includes a battery module including battery cells, and busbars electrically connecting respective ones of the battery cells, and a circuit board connected to the battery module, and including a first part including wires, and extending in a length direction of the battery module, second parts extending from the first part in a direction crossing the first part, and including a circuit pattern including a fuse pattern configured to be opened based on an abnormal current, and a non-fuse pattern configured to maintain electrical connection with one or more of the busbars, and third parts respectively extending from the second parts, and connected to the busbars.
Absstract of: US2025226539A1
A rechargeable battery module includes a bus bar holder covering battery cells; a bus bar on the bus bar holder to electrically connect the battery cells; and a flexible printed circuit on the bus bar holder to transmit a signal that detects a voltage of the battery cell connected to the bus bar. The bus bar includes an extension portion protruding in one direction, and the flexible printed circuit includes a main body portion, a branch portion extending from the main body portion, and an expansion portion having an expanded area on the branch portion that is soldered to the extension portion.
Absstract of: US2025226532A1
An electrode structure for use in an energy storage device, the electrode structure comprising a population of electrodes, a population of counter-electrodes, and an electrically insulating material.
Nº publicación: US2025226416A1 10/07/2025
Applicant:
TOYO KOHAN CO LTD [JP]
TOYO KOHAN CO., LTD
Absstract of: US2025226416A1
ObjectTo provide a metal foil having higher corrosion resistance, thinness, and folding endurance all together.Solving MeansAn alloy electrolytic foil made of an iron-and-nickel-base alloy and containing 30 to 500 ppm by weight of manganese in terms of content proportion, and having a thickness of 1.5 to 10.0 μm.
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