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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 400 a 425 de 1452
Resumen de: DE102023209937A1
Die Erfindung betrifft eine Knopfzellenbatteriehalterung (1) zum vertikalen Halten einer Knopfzelle auf einer Leiterplatte (3). Die Erfindung ist dadurch gekennzeichnet, dass die Knopfzellenbatteriehalterung (1) zwei Metallbleche (4) aufweist, die in einem Querabstand (6) entlang einer Querrichtung der Knopfzellenbatteriehalterung (1) voneinander angeordnet sind, wobei die zwei Metallbleche (4) an Längsenden (7) der zwei Metallbleche (4) durch zwei Isolationsendgehäuse (8) miteinander verbunden sind, die in einem Längsabstand (9) voneinander entlang einer Längsrichtung der Knopfzellenbatteriehalterung (1) angeordnet sind, wobei die zwei Isolationsendgehäuse (8) durch einen Insert-Molding-Vorgang an den Längsenden (7) der Metallbleche (4) angebracht werden. Ein Knopfzellenaufnahmehohlraum zum Aufnehmen der Knopfzelle, der zumindest teilweise durch die zwei Isolationsendgehäuse (8) und die zwei Metallbleche (4) begrenzt ist.
Resumen de: DE102023128789A1
Bereitgestellt wird ein Laserbearbeitungsverfahren zum Einsatz beim Zerlegen einer Batterieanordnung (10), wobei die Batterieanordnung (10) eine Zellanordnung (12) und ein die Zellanordnung (12) umgebendes Batteriegehäuse (14) aufweist, das Verfahren umfassend: Richten eines Bearbeitungsstrahls, der zumindest einen Laserstrahl (L) umfasst, entlang einer Bearbeitungskontur (C) auf eine der Zellanordnung (12) abgewandte Oberfläche des Batteriegehäuses (14), sodass das Batteriegehäuse (12) entlang wenigstens eines ausgewählten Abschnitts der Bearbeitungskontur (C) strukturell geschwächt wird. Ferner wird ein Verfahren zum Öffnen des Batteriegehäuses (14), sowie eine Vorrichtung zur Durchführung des Laserbearbeitungsverfahrens bereitgestellt.
Resumen de: WO2025083025A1
The invention relates to a laser machining method for use during the dismantling of a battery arrangement (10), wherein the battery arrangement (10) has a cell arrangement (12) and a battery housing (14) enclosing the cell arrangement (12), the method comprising: directing a machining beam, which comprises at least one laser beam (L), along a machining contour (C) onto a surface of the battery housing (14) facing away from the cell arrangement (12) such that the battery housing (12) is structurally weakened along at least one selected portion of the machining contour (C). The invention also relates to a method for opening the battery housing (14), and to a device for carrying out the laser machining method.
Resumen de: WO2025083003A1
The invention relates to a layer material for thermally and/or electrically insulating an electric device (8), comprising: a middle layer (2) made from a resilient and compressible material; a first insulation layer (3) on a first side (2a) of the middle layer (2); and a second insulation layer (4) on a second side (2b) of the middle layer (2), wherein the second side (2b) is opposite the first side (2a), wherein a first adhesion-promoting layer (5) is located between the first insulation layer (3) and the middle layer (2), and wherein a second adhesion-promoting layer (6) is located between the second insulation layer (4) and the middle layer (2).
Resumen de: WO2025081559A1
The present invention belongs to the technical field of energy storage batteries. Disclosed are a low-cost and long-cycle-life sodium-ion energy storage battery, a negative electrode, a preparation method and a preparation device. The preparation method comprises: adding a sodium-ion negative electrode material, a conductive agent and a binder to a high-speed shearing mixer for dry mixing; adding the mixed materials to a double-shaft hot roller, and extruding same into a membrane, wherein the thickness of the membrane is controlled to be 90-350 μm, the temperature of the double-shaft hot roller is controlled to be 100-180°C, and the pressure is controlled to be 18-35 T; attaching the membrane onto aluminum foil having a thickness of 8-20 μm, the surface of which has been subjected to gluing treatment, wherein an adhesive layer of the glued aluminum foil has a thickness of 2-6 μm, and the adhesive layer contains 65 wt% of conductive carbon and 35 wt% of polymer glue; and hot-pressing the complex at 85-130°C, so as to form a sodium-ion battery negative electrode. The sodium-ion energy storage battery comprises an aluminum-plastic film shell, a separator, an electrolyte, a positive electrode and a negative electrode. In the whole manufacturing process of the sodium-ion energy storage battery negative electrode, the energy consumption is reduced, the environment is protected, and the manufacturing cost of the whole battery is reduced.
Resumen de: US2025128962A1
Provided are an agglomeration-like multi-element cathode material, a preparation method therefor, a use thereof, and a lithium-ion battery. The chemical formula of the agglomeration-like multi-element cathode material is LiaNixCoyMnzMbO2, wherein 0.9≤a≤1.1, 0.5≤x<1, 0
Resumen de: US2025128954A1
An over-stoichiometric lithium-based transition metal-based cation-disordered rock salt cathode for a lithium-ion battery in a metastable state that includes an over-stoichiometric amount of lithium and at least one transition metal, in which the cathode has a mole ratio of total cations to total anions being greater than 1:1, and methods to synthesize the over-stoichiometric lithium-based transition metal-based cation-disordered rock salt cathode.
Resumen de: US2025128956A1
The present invention concerns a method of preparing aluminum monohydrate comprising the steps of i) mixing alumina feedstock with ethylenediamine tetraacetic acid, to obtain a feedstock mixture, and ii) subjecting the feedstock mixture to a hydrothermal treatment, wherein the wherein the pH of the feedstock mixture is at least 8. The resulting aluminum monohydrate, although starting from low purity feedstocks, shows an excellent purity and can be calcined to obtain high purity alpha alumina.
Resumen de: US2025128763A1
An off-road vehicle includes a frame defining a front of the off-road vehicle and a rear of the off-road vehicle, and a battery assembly supported by the frame. The battery assembly is constructed and arranged to store electric power. The off-road vehicle further includes an electric propulsion motor constructed and arranged to provide off-road vehicle propulsion using the electric power. The battery assembly is closer to the front of the off-road vehicle than the electric propulsion motor, and the electric propulsion motor is closer to the rear of the off-road vehicle than the battery assembly.
Resumen de: US2025128100A1
A battery pack includes a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked and each battery cell is erected in a vertical direction; a plate-shaped blocking member disposed between adjacent battery cells and erected in a vertical direction; a pack case configured so as to house the cell module assembly and opened at its upper surface; and a fire-fighting tank located above the cell module assembly and covering an upper surface of the pack case. The blocking member includes a plurality of openings at its upper end, and an inside of the blocking member includes an empty space connected to the plurality of openings.
Resumen de: US2025132432A1
Provided is a battery module including a battery cell assembly (100) that comprises a reference plate (110) which has a predetermined thickness in a third direction, and a first stack (120) and a second stack (130) which are respectively coupled to a first side surface and a second side surface of the reference plate (110) in the third direction and respectively comprise a plurality of battery cells (C) stacked and coupled to each other in the third direction; and a frame (200) with an inner space (S) in which the battery cell assembly (100) is inserted and accommodated (100). The inner space (S) comprises a predetermined portion (P1) accommodating the reference plate (110), and one side portion (P2) and the other side portion (P3) respectively corresponding to spaces at one side and the other side of the predetermined portion (P1) in the third direction with respect to the predetermined portion (P1) and respectively accommodating the first stack (120) and the second stack (130). A position of the predetermined portion (P1) is determined based on lengths of the first stack (120) and the second stack (130) in the third direction. Thus, the battery module (10) that has a simple configuration and ensures improvement in safety and reliability can be manufactured readily and rapidly without incurring large costs.
Resumen de: US2025132450A1
A venting device includes a cover positioned at one side of a wall, the wall having a vent hole through which a gas is flowable, and the cover covering the vent hole, a connection pin connected to the cover, the connection pin being configured to pass through the wall, and a hook connected to the connection pin, the connection pin being between the hook and the cover, and the hook being configured to pass through the wall to be positioned at the other side of the wall and to anchor the cover and the connection pin to the wall.
Resumen de: US2025132436A1
A battery system includes: a battery pack including a housing and a plurality of battery cells accommodated within the housing; an underbody protection structure; a cooler connected to and arranged between the battery cells and the underbody protection structure; and a pressure detection device. The cooler includes a cooling channel and a pressure detection channel separated from the cooling channel, and both the cooling channel and the pressure detection channel being arranged inside the cooler. The pressure detection device includes a pressure sensor connected to the pressure detection channel and configured to detect an underbody contact or impact event by monitoring a pressure in the pressure detection channel.
Resumen de: US2025132328A1
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a bimodal-type positive electrode active material, in which low energy density per unit volume and low stability of an overlithiated lithium manganese-based oxide are improved, and a lithium secondary battery including the same.
Resumen de: US2025132327A1
A positive electrode material for a secondary battery includes a secondary particle that is an aggregate of a plurality of primary particles. The primary particles contain a first metal oxide as a positive electrode active material. The primary particles include first primary particles disposed at a surface of the secondary particle, second primary particles disposed inside the secondary particle in contact with the first primary particles, and third primary particles disposed inside the secondary particle not in contact with the first primary particles. The positive electrode material further includes a second metal oxide attached at least to surfaces of the first primary particles and the second primary particles and having a composition different from the first metal oxide. The second metal oxide is not attached to surfaces of the third primary particles, or an amount attached thereto is smaller than an amount attached to the second primary particles.
Resumen de: WO2025081453A1
An electrochemical device and an electronic device. The electrochemical device comprises a positive electrode sheet. The positive electrode sheet comprises a positive electrode active material layer. The positive electrode active material layer comprises a positive electrode active material. The positive electrode active material comprises a lithium transition metal composite oxide. The lithium transition metal composite oxide contains an element Ni, an element Mn, an element B, and an element M. The element M comprises at least one of an element Na or an element K. The electrochemical device is charged and discharged at a current of 0.2 C. During discharging of the electrochemical device, the relation curve of the capacity/voltage differential dQ/dV and the voltage V comprises a characteristic peak above 4.1 V. The electrochemical device can have high energy density, excellent cycle performance, and excellent high-temperature storage performance.
Resumen de: WO2025081452A1
Provided are an electrochemical device and an electronic device. The electrochemical device comprises a positive electrode sheet. The positive electrode sheet comprises a positive electrode active material layer. The positive electrode active material layer comprises a first positive electrode active material and a second positive electrode active material. The first positive electrode active material contains an element Ni and an element Mn. The second positive electrode active material contains an element Co. During discharging of the electrochemical device, the relation curve of the capacity/voltage differential dQ/dV and the voltage V comprises a peak a with a peak position of 4.1 V-4.3 V and a peak b with a peak position of 3.6 V-4.0 V. The electrochemical device can have good cycle performance and safety performance while the energy density of the electrochemical device is improved.
Resumen de: WO2025081370A1
A battery cell, a battery, and an electric device. The battery cell comprises an electrode assembly, a casing, an electrode terminal, an insulating member, and a protective member. The casing comprises a wall portion, and the wall portion is provided with an electrode lead-out hole. The electrode assembly is accommodated in the casing, and the electrode assembly comprises a tab. The electrode terminal is electrically connected to the tab, and the electrode terminal comprises a terminal body passing through the electrode lead-out hole and a fixing portion connected to the terminal body. The insulating member is arranged around the terminal body, and at least part of the insulating member is located between the fixing portion and the wall portion so as to insulate and isolate the fixing portion from the wall portion. The protective member is arranged around the terminal body and is arranged in contact with the insulating member, and the tensile strength of the protective member is greater than that of the insulating member.
Resumen de: US2025128590A1
A washer to be arranged in a mechanical connection between an energy storage module and a housing of an electrical energy store for a motor vehicle includes an axial hole for receiving a connector and axially opposing bearing surfaces for pressing against metal contact surfaces of the energy storage module and the housing. The washer has a metal bushing for providing a current path between the contact surfaces for potential equalization between the energy storage module and the housing, the axially opposing faces of the bushing forming the bearing surfaces. The bushing has, between the faces, a tapering cross section forming a fuse for interrupting the current path in the event of overcurrent. A thermally insulating material surrounds the metal bushing at least in the region of the tapering cross section and compensates for the tapering cross section in order to provide a substantially constant outer diameter of the washer and to reduce the thermal conductivity of a heat-conducting path formed by the washer between the housing and the energy storage module.
Resumen de: US2025128604A1
An ECU executes a process including: acquiring a result of detection; determining whether a vehicle is being stopped; determining, when the vehicle is being stopped, whether an output value of a hydrogen sulfide sensor is a first threshold value or more; turning on a warning light when the output value is the first threshold value or more; determining, when the vehicle is not being stopped, whether the output value of the hydrogen sulfide sensor is a second threshold value or more; and turning on a warning light when the output value is the second threshold value or more.
Resumen de: US2025128641A1
A battery system includes a load bus to connect to a DC link, a single pre-charge circuit connected to the load bus, multiple battery packs, and a control circuit. Each battery pack includes multiple battery strings that include battery cells connected in series, a positive contactor to connect the battery string to the load bus, and a pre-charge contactor to connect the battery string to the pre-charge circuit. The control circuit selects a battery string to pre-charge the DC link, closes the pre-charge contactor of the battery string to connect the selected battery string to the pre-charge circuit, and opens the pre-charge contactor of the selected battery string to disconnect the battery string from the pre-charge circuit and close the positive contactor of the selected battery string to connect the battery string to the load bus when the DC link is pre-charged.
Resumen de: US2025128612A1
A vehicle is provided with an electric energy storage device including a first sub-storage device for electric energy and a second sub-storage device for electric energy, the first sub-storage device and second sub-storage device being electrically connected together by a switch assembly. The first sub-storage device and the second sub-storage device each include at least one respective electrochemical storage cell, wherein the at least one electrochemical storage cell of the first sub-storage device has a stability-optimized cell chemistry, and the at least one electrochemical storage cell of the second sub-storage device has an output-optimized cell chemistry. The at least one electrochemical storage cell of the first sub-storage device is arranged in an impact assembly of the vehicle.
Resumen de: US2025128629A1
A portable electrified vehicle backup battery device includes a battery assembly that can be mounted and dismounted from a vehicle. The backup battery is able to recharge an electrified vehicle traction battery pack through a charging interface on the vehicle. The device can be rolled on the ground when it is dismounted from the vehicle. The backup battery system is capable of charging a vehicle when it is mounted or dismounted.
Resumen de: US2025132326A1
A cathode active material includes a crystal structure including an alternate arrangement of transition metal layers and lithium layers. The transition metal layers include at least one kind of transition metal selected from nickel, cobalt and manganese. In the cathode active material, a stoichiometric oxygen content is 1.9 or more.
Nº publicación: US2025132375A1 24/04/2025
Solicitante:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Resumen de: US2025132375A1
A secondary battery belonging to the technical field of batteries is provided. The secondary batter includes a positive electrode sheet, a separator, and a negative electrode sheet. The positive electrode sheet includes a positive electrode material including a first active material and a second active material. The first active material is a layered structure material, and the second active material is an olivine structure material. A mass ratio of the second active material to a sum of masses of the first active material and the second active material is 5 wt % to 30 wt %. A discharge curve of the secondary battery has a first voltage platform and a second voltage platform.
BOPI
Sede Electrónica
