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1263
results.
Updated on
26/12/2025 [07:11:00]
Results 875 to 900 of 1263
Absstract of: WO2025253147A1
A composite cathode active material includes: a first component, having a first formula of LixNiaCobR1 cR 2 dO2, where R1 is Mn or A1, R2 is selected from a group comprising A1, Ti, Zr, Nb, Ba, La, and Ag, 1≤x≤1.1, 0.5≤a≤0.8, 0
Absstract of: WO2025253146A1
The present disclosure provides an electrolyte, a secondary battery and an electronic device. The electrolyte includes a first additive selected from at least one of silane amides, and a second additive selected from at least one of fluorinated ethylene carbonates.
Absstract of: WO2025254551A1
This disclosure provides an improved universal interchangeable battery for electric vehicles forming part of a battery swapping ecosystem that includes electric vehicles, swappable batteries, a charging/swap station, a battery adaptor for reliable charging and communication, and a mobile application for managing battery swapping within a fleet and a network of charging stations, enabling efficient and user-friendly battery exchanges.
Absstract of: WO2025251093A1
The invention relates to a method for operating an electrical energy store for a battery-operated apparatus (1), for example an electrical device, an electric vehicle or the like, wherein the apparatus (1) is supplied with electrical energy by the electrical energy store (3), and to an associated energy management system, wherein the following steps are provided: - providing (S1) a plurality of separate battery modules (4), in particular connected or connectable in parallel, in the electrical energy store (3); supplying (S2) the apparatus with electrical energy from a battery module (Y); checking (S3) the state of charge of the battery module (Y) used for supplying the apparatus; and - switching (S4) to a further battery module, located in the electrical energy store (3), for supplying the apparatus (1) with electrical energy when a predefined supply quantity of the battery module (Y) used for supplying the apparatus is not met.
Absstract of: US2025379254A1
A battery includes a negative electrode plate, a positive electrode plate and an electrolyte solution. The negative electrode plate includes a negative electrode active material layer, which includes a silicon carbon; a surface of the negative electrode active material layer has recesses; the electrolyte solution includes a carbonate compound, and the carbonate compound comprises fluoroethylene carbonate; and a charged cut-off voltage of the battery is greater than or equal to 4.48 V. The battery not only exhibits high energy density but also significantly mitigates the problem of damage and corner cracking of the outer film casing in the later stages of battery cycling.
Absstract of: US2025379272A1
A method for detecting battery swelling includes: arranging conductors in a region of a battery cell to detect swelling of the battery cell; measuring a capacitance change amount when an arrangement of the conductors changes; and determining whether or not battery swelling has occurred by using a result of the measuring of the capacitance change amount.
Absstract of: US2025379255A1
An electrolyte, a lithium-ion battery including the electrolyte, and an electric device including the lithium-ion battery, where the electrolyte includes metal ions, and the metal ions include at least one of K+, Rb+, and Cs+; where a molar concentration CM of the metal ions in the electrolyte satisfies: 0.03 M≤CM.
Absstract of: US2025379253A1
An electrolyte including a compound of Formula I-A, a compound of Formula I-B, and a compound of Formula I-C:where based on a mass of the electrolyte, a percentage of the compound of Formula I-A ranges from 0.12% to 5.0%; a percentage of the compound of Formula I-B ranges from 0.12% to 5.0%; and a percentage of the compound of Formula I-C ranges from 0.12% to 3.0%.
Absstract of: US2025379339A1
A current collector plate includes a frame member having at least two arms. The at least two arms are arranged radially on the frame member to define two or more slots in the frame member. The current collector plate includes two or more flap members coupled to the inner periphery of the frame member and positioned in the two or more slots without being in contact with the at least two arms. Each flap member is in a plane different from the plane in which the frame member lies.
Absstract of: US2025379335A1
This application provides a battery cell, a battery, and an electrical device. The battery cell includes a shell, an electrode post, an electrode assembly, and an insulation piece. The shell includes a sidewall and a first end wall connected to the sidewall. The electrode post is dielectrically mounted on the first end wall of the shell. The electrode assembly is located in the shell. The electrode assembly includes a first tab. The first tab faces the first end wall and is electrically connected to the electrode post. The insulation piece includes a first insulation portion located between the bottom wall and the first tab, and a second insulation portion peripherally disposed at an outer edge of the first insulation portion and protrudes toward a side at which the electrode assembly is located.
Absstract of: US2025379332A1
A battery, an electrical apparatus, and an energy storage device and relates to the technical field of batteries. The battery includes a battery cell, a box, and a treatment mechanism. The box is used for accommodating the battery cell. The box has an exhaust hole used for discharging emissions generated by thermal runaway of the battery cell. The treatment mechanism is arranged at the box, and is used for reducing the mass flow of the combustibles in the emissions through the exhaust hole.
Absstract of: US2025379235A1
The present disclosure provides a fluoride ion conductor having a perovskite structure with high ionic conductivity, a negative electrode mixture comprising the fluoride ion conductor, and a fluoride ion battery comprising the negative electrode mixture. The fluoride ion conductor of the disclosure has a perovskite structure, and is represented by the following formula (1): Ba1-x-ySrxAyLiF3-y: (1) wherein; A is an alkali metal element selected from among Na, K, Rb and Cs, 0.3<3 1−x−y<1.0, 0≤x<0.4, and 0
Absstract of: US2025379329A1
Lithium-ion batteries, battery modules and battery packs are provided that comprise anti-propagation systems designed to mitigate a thermal runaway condition. A battery module comprises a housing comprising a plurality of lithium-ion battery cells each having a positive terminal and a negative terminal, and a flexible container housing a liquid and positioned adjacent to the positive terminal of at least one of the battery cells. The flexible container comprises a material configured to melt at a temperature at or above a threshold temperature for quenching a thermal runaway event in the battery pack to prevent the thermal runaway from propagating and spreading to other battery cells or modules within the pack. The battery module comprises a reinforcement substrate secured to the flexible container. The reinforcement substrate provides structural rigidity to the flexible container and functions to inhibit thermal runaway eject from passing therethrough to other battery modules within the battery pack.
Absstract of: WO2025251447A1
A battery cell (100) and a battery. The battery cell (100) comprises a main body (110), a first conductive member (120), and a second conductive member (130); the main body (110) is formed by winding a first electrode sheet (111) and a second electrode sheet (112); the main body (110) has, in the thickness direction, a first surface (113) and a second surface (114) which are opposite to each other, and a middle layer (115); the first conductive member (120) is formed by stacking and connecting a plurality of first dummy tabs (121) connected to the first electrode sheet (111); the second conductive member (130) is formed by stacking and connecting a plurality of second dummy tabs (131) connected to the first electrode sheet (111); the first conductive member (120) is located between the middle layer (115) and the first surface (113), and is bent toward one side of the second surface (114); the second conductive member (130) is located between the middle layer (115) and the second surface (114), and is bent toward one side of the first surface (113); and the bent first conductive member (120) and the bent second conductive member (130) are both located between the first surface (113) and the second surface (114), thereby reducing the space occupied by the first conductive member (120) and the second conductive member (130) in a case of the battery, and improving the energy density of the battery.
Absstract of: WO2025251450A1
A battery cell (10), a battery, and an electronic device. The battery cell (10) comprises: a main body (100) formed by stacking a first electrode sheet (200) and a second electrode sheet (300) and then winding same, wherein the main body (100) comprises a first surface (110) and a second surface (120) opposite to each other; a first main tab (400) connected to the first electrode sheet (200) and protruding from the first surface (110); and a first conductive member (500), comprising a plurality of first auxiliary tabs (510), wherein the plurality of first auxiliary tabs (510) are all connected to the first electrode sheet (200), the plurality of first auxiliary tabs (510) are stacked in the thickness direction and welded to define an intermediate surface (600), the intermediate surface (600) divides the second surface (120) into a first portion (121) and a second portion (122) in the length direction of the main body (100), the first conductive member (500) is bent and connected to the first portion (121), and the first conductive member (500) is attached to the second portion (122). The battery cell (10) has high energy density.
Absstract of: WO2025251474A1
The present application relates to the technical field of charging estimation. Provided are a method and apparatus for training a model, a method and apparatus for estimating a remaining charging time, and an electronic device. The method for training a model comprises: collecting historical charging data of a vehicle; dividing the overall charging process of a battery into a plurality of charging paths, performing feature extraction on the basis of the historical charging data and according to the charging paths obtained after division, and performing sorting to obtain charging sample data of each charging path; and using the charging sample data of each charging path to train a preset time estimation model, so as to obtain a trained remaining-charging-time estimation model. In the present application, by means of the superposition of a plurality of charging paths into which an overall charging process is divided, the charging time of each charging path can be dynamically calculated, thereby improving the estimation accuracy of the remaining charging time.
Absstract of: DE102025142089A1
Die Erfindung betrifft ein Verfahren zur Herstellung eines elektrischen Energiespeichers mit mehreren aufeinander gefalteten Zellblöcken (100, 200), welche jeweils eine Mehrzahl von miteinander elektrisch leitend verbundenen Einzelzellen (400) aufweisen, wobei, mindestens zwei Zellblöcke (100, 200) an einer in Hochrichtung (z) der Zellblöcke (100, 200) oben angeordneten Oberseite (110, 210) mittels einer Zellverbinderanordnung (300) elektrisch leitend miteinander verbunden werden, wobei die Zellblöcke (100, 200) in einer zur Hochrichtung (z) senkrecht verlaufenden Längsrichtung (y) zueinander beabstandet sind, wobei oberhalb eines durch einen Abstand (500) zwischen den Zellblöcken (100, 200) ausgebildeten Bereichs eine als Faltbereich (510) ausgebildete Zellverbinderbrücke (310) der Zellverbinderanordnung (300) ausgebildet ist, der Faltbereich (510) derart gefaltet wird, dass sich die Zellblöcke (100, 200) mit ihren Oberseiten (110, 210) und die von den Oberseiten (110, 210) weggerichteten Seiten der Zellverbinderanordnung (300) gegenüberliegen, und zwischen den sich gegenüberliegenden Seiten der Zellverbinderanordnung (300) vor oder während der Faltung ein elektrisch isolierend ausgebildetes Abstandselement (700) angeordnet wird.
Absstract of: DE102024116356A1
Ein Wärmeaustauscher weist wenigstens ein Mehrkammer-Flachrohr (2) mit einer Vielzahl von parallel zueinander verlaufenden, durch Zwischenwände (24) voneinander getrennten Fluidkanälen (21) auf, wobei wenigstens zwei benachbarte Fluidkanäle (21) über Durchbrüche (22) in einer der Zwischenwände (24) des Mehrkammer-Flachrohrs (2) fluidisch miteinander verbunden sind, wobei der Zulauf (5) und der Ablauf (6) mit einem in einen der Fluidkanäle (21) mündenden Durchbruch (22) in wenigstens einer der Flachseiten (23, 25) verbunden sind, wobei sich die Profile (3, 4) zumindest über die mit den Durchbrüchen (22) versehenen Bereiche der Flachseiten (23, 25) erstrecken.
Absstract of: WO2025253103A1
This disclosure provides a method of preparing a conducting hydrogel. The method comprises providing a first electrode and a spaced apart second electrode. The second electrode comprises a species which can be oxidised to provide a multivalent cation. The method further comprises at least partially disposing the first and second electrodes in an electrolyte. The electrolyte comprises a solvent and a hydrophilic polymer. The method further comprises applying a voltage across the first and second electrodes to thereby cause a multivalent cation to be generated at the second electrode and crosslinking to occur between the multivalent cation and hydrophilic polymer, to thereby provide the conducting hydrogel. This disclosure extends to a conducting hydrogel comprising a hydrophilic polymer cross-linked by a multivalent cation. The conducting hydrogel defines a layer with a thickness of less than 250 μm. The disclosure also provides an electrode comprising said conducting hydrogel and a battery comprising said conducting hydrogel and/or said electrode.
Absstract of: WO2025252716A1
The invention relates to a battery component holder (1) for receiving at least one battery component (2), the battery component holder having a first battery component holder part (3) and a second battery component holder part (3), wherein the first battery component holder part (3) and the second battery component holder part (3) are arranged adjacent to one another such that a first receiving device (4) of the first battery component holder part (3) and a second receiving device (4) of the second battery component holder part (3) together at least partially delimit a receiving volume (5) for receiving at least one battery component (2), wherein the battery component holder (1) is characterized by the following feature: the battery component holder (1) has a heat transfer device (6) which is arranged in the receiving volume (5) between the first battery component holder part (3) and the second battery component holder part (3) such that a heat transfer surface (7) of the heat transfer device (6) at least partially delimits a receiving space (8) for receiving at least one battery component (2).
Absstract of: WO2025252705A1
The invention discloses a battery housing (1) for receiving a multiplicity of battery components (3), having a first battery housing component (10), a second battery housing component (20), and a battery component holder (30) with a multiplicity of receiving devices (41, 42) for holding the multiplicity of battery components (3), wherein the battery component holder (30) is sandwiched between the first battery housing component (10) and the second battery housing component (20) and is connected to both. The battery housing (1) has at least one electrical connection device (70) for electrically connecting at least three battery components (3) which are held by three directly adjacent receiving devices (41, 42) of the battery component holder (30). The electrical connection device (70) is geometrically designed in such a way that symmetry points (SP) between at least three directly adjacent receiving devices (41, 42) are not covered by the electrical connection device (70) and so the battery component holder (30) is connected to the first battery housing component (10) and/or the second battery housing component (20) via connection devices (36) arranged in the regions of the symmetry points (SP).
Absstract of: WO2025252628A1
An energy storage system comprising the following: an energy storage zone in which energy storage elements are located; a temperature control fluid conducting system for controlling the temperature of the energy storage elements; and an energy storage end zone extending to ends of the energy storage elements. It can be advantageous if end sections of the energy storage elements or end sections of a portion of said elements are located in the energy storage end zone. The temperature control fluid conducting system has a temperature control zone which extends along or through the energy storage end zone.
Absstract of: WO2025252384A1
A method of production of layered composite material packs for use as an electrode by a material bonding process, comprises: stacking multiple material layers to be bonded forming a pack, assembling several packs for forming a stack, with placing inert interface plates between adjacent packs (3) to separate the packs by the inert interface plates, placing inert interface plates on top and bottom of the stack, placing the stack in between a top and a bottom plate and connecting the top and bottom plates with constraining fixtures for forming a rack, whereas the material of the constraining fixtures is so chosen that their thermal expansion coefficient is smaller than a value of thermal expansion for the total of the stack, pressing towards each other the top and bottom plates to apply an initial pressing force, placing the rack into a furnace, heating up the furnace to a bonding temperature with a heating rate between 0.1K/min and 35K/min and applying a connecting pressure due to the difference in thermal expansion coefficients of the stack material and the constraining fixtures, holding the bonding temperature for a predetermined time to form a bond via material diffusion in between the material layers, cooling down the furnace, disassembling the stack and removing the bonded packs.
Absstract of: WO2025252356A1
The battery comprises a cup-shaped container (8) closed off by a lid comprising an inner conductive portion (1), an insulating portion (2) around the inner portion, and a peripheral conductive portion (3, 4) that is fixed to the upper edge of the container by a conductive and sealing connection. The container houses an electrode assembly (100) comprising alternately stacked electrodes of a first and second polarity. The electrodes are coupled together by interconnected tabs (13, 12). A non-coated side of an electrode (11'') of the second polarity is connected to the base (40) of the container. A top insulating sheet (18) lies on top of a conductive sheet (16, 32) that is connected to the tabs (13) of the first polarity type. The top insulating sheet is provided with an opening (19), thereby exposing a portion of the conductive sheet. This exposed portion is electrically connected to the inner portion (1) of the lid. Said inner portion thereby forms the first polarity contact of the battery, while at least the base of the container forms the second polarity contact.
Nº publicación: WO2025252659A1 11/12/2025
Applicant:
ARLANXEO HIGH PERFORMANCE ELASTOMERS CHANGZHOU CO LTD [CN]
ARLANXEO DEUTSCHLAND GMBH [DE]
ARLANXEO HIGH PERFORMANCE ELASTOMERS (CHANGZHOU) CO., LTD,
ARLANXEO DEUTSCHLAND GMBH
Absstract of: WO2025252659A1
The present invention relates to a binder composition for forming a binder of an electrode of an electrochemical energy storage device, the binder composition comprising a) a hydrogenated nitrile rubber, wherein the hydrogenated nitrile rubber has the following properties: - a Ra value against N-Methyl-2-pyrrolidone is at least 9 MPa1/2; and - a Ra value against a fluid blend of ethylene carbonate to linear carbonates, wherein ethylene carbonate is present in the range of ≥ 30 vol.-% to ≤ 33 vol.-% and linear carbonates are present in the range of ≥ 66 vol.-% to ≤ 70 vol.-%, each referring to the fluid blend, is at least 7 MPa1/2, and b) at least one amino-functional silane.
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