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1357
results.
Updated on
04/05/2026 [07:57:00]
Results 450 to 475 of 1357
Absstract of: US20260121165A1
An inter-cell cooling unit for arrangement between two battery cells of a battery module. The inter-cell cooling unit has an outer casing that provides a first cooling side and a second cooling side opposite the first cooling side in the first direction, and at least one first cooling channel section extending within the outer casing that can be flowed through by a coolant. The inter-cell cooling unit includes a multi-layer compression component which is arranged within the outer casing and which includes at least one first outer layer made of a first plastic material and a compression layer made of a second plastic material which is more compressible than the first plastic material and which is flatly adjacent to the first outer layer with respect to the first direction.
Absstract of: US20260121202A1
A fastening structure of a battery pack includes a floor cross member extending in a vehicle width direction; a battery pack including one or more battery modules, and a battery case accommodating the one or more battery modules, the battery pack being disposed below the floor cross member; and a plurality of fastening brackets fixed to a top surface of the battery case and fastened to the floor cross member, in which at least one of the fastening brackets includes a spring-shaped portion that is extendable and contractible in an up-down direction.
Absstract of: US20260121135A1
A system and method for directly connecting a low voltage battery to a zonal controller in an electric vehicle. The zonal controller has inputs for directly receiving the positive and negative battery terminals and performs battery management functions including voltage and current sensing. The direct connection may reduce the use of separate sensors and fuses, enabling a compact and simplified battery connection. Packaging the battery and controller in proximity, such as under a vehicle seat, may allow for short, efficient connections.
Absstract of: US20260121024A1
An anode active material includes porous silicon, and a carbon coating disposed on at least part of the surface of the porous silicon. The specific surface area is 130 m2/g or more, and the proportion of the carbon coating is in the range of 1.5 masse to 12 masse relative to the total mass of the porous silicon and the carbon coating.
Absstract of: DE102024130966A1
Die Offenbarung betrifft einen Ausgleichsbehälter (8) zum Ausgleichen von Volumenstromschwankungen in einem Kühlmittelkreislauf (6), insbesondere für einen Batteriespeicher (1), mit einem Behältergehäuse (9), in dessen Inneren ein Stopfen (16) linearbeweglich aufgenommen ist, um in Abhängigkeit eines in das Behältergehäuse (9) einströmenden Kühlmittels wenigstens eine in dem Behältergehäuse (9) ausgebildete Überlauföffnung (12) abzudecken oder freizugeben, wobei der Stopfen (16) mittels wenigstens einem Linearaktuator (20) in dem Behältergehäuse (9) linearbewegbar ist.
Absstract of: US20260121148A1
This invention discloses a low-temperature life extension system for wind turbine coupled with energy storage. Its functional units include a battery module, a temperature maintaining device, a wind turbine, and a collaborative control module. Through intelligent algorithms, it performs collaborative optimization of battery temperature control, charging and discharging processes, and wind turbine energy storage interaction, achieving a balance between low-temperature life extension and energy efficiency optimization. This system improves the output stability and grid friendliness of the wind turbine, reduces the system's total life-cycle energy consumption, and enhances economic efficiency and reliability. This invention is applicable to onshore and cold-region wind farms, providing an efficient and sustainable solution for wind power energy storage systems.
Absstract of: US20260121164A1
A battery pack assembly for an electric vehicle includes first and second opposed side supports each having a support surface, a coolant passage, and a port fluidly connected to the coolant passage, a first cooling/mounting connector coupled to the first side support and fluidly coupled to the port thereof, and a second cooling/mounting connector coupled to the second side support and fluidly coupled to the port thereof. The first and second cooling/mounting connectors are configured to receive and fluidly couple to a battery module to provide (i) a quick-connect for attachment of the battery module to the first and second side supports, and (ii) a fluid connection between the coolant passage and the battery module to enable coolant flow into or out of the battery module.
Absstract of: WO2026088679A1
A solid-state battery according to the present disclosure comprises: an electrode body containing a solid electrolyte; a metal container that accommodates the electrode body; an insulator that electrically insulates the electrode body and the metal container; and a thermally conductive insulator that electrically insulates the electrode body and the metal container and has a higher thermal conductivity than the insulator. The insulator is disposed on part of a facing surface of the metal container facing the electrode body. The thermally conductive insulator is disposed on a portion of the facing surface where the insulator is not disposed.
Absstract of: US20260121127A1
A substantially liquid solvent-free method of producing a bipolar battery pack, comprising: (a) providing a first set of multiple bipolar electrodes and at least one or multiple ion-permeable separator layers, wherein the bipolar electrode comprises (i) a current collector; (ii) a cathode layer (prepared using a solid-state method) disposed on a first primary surface; and (iii) an anode layer deposited on the opposing primary surface; (b) stacking the bipolar electrodes alternately with the separator layers for connecting the multiple bipolar electrodes in series to form a stack in such a manner that a separator is disposed between the anode layer of a bipolar electrode and the cathode layer of a neighboring bipolar electrode; (c) applying a pressure and/or heat to the stack to consolidate the stack for forming a battery module; and (d) optionally encasing the module with a protective housing to form a pack.
Absstract of: US20260121075A1
Methods for manufacturing an electrode for a lithium secondary battery, electrodes for a lithium secondary battery, and lithium secondary batteries including the electrodes are disclosed. In one embodiment, the method for manufacturing an electrode for a lithium secondary batteries may include: forming an electrode active material layer on at least one side of the electrode current collector, forming a plurality of grooves in the electrode active material layer, and rolling the electrode active material layer that includes the plurality of grooves.
Absstract of: US20260121348A1
0000 An apparatus for connector fastening includes a panel, a connector attached to the panel, and a connector guide groove adjacent to the connector, the connector guide groove being in the panel, wherein the connector guide groove includes a bottom surface recessed inward from a surface of the panel, a guide wall connecting the bottom surface to the surface of the panel, and an end portion connected to the guide wall, the end portion being closest to the connector.
Absstract of: WO2026089156A1
The present invention relates to an adhesive composition, an all-solid-state battery, and a method for manufacturing an all-solid-state battery and, more specifically, comprises a first linear polymer and a second linear polymer, wherein the first linear polymer includes a first main chain and at least one first side chain, the second linear polymer includes a second main chain and at least one second side chain, and the first and second side chains are ionically bonded to each other by heat treatment.
Absstract of: WO2026089118A1
The present invention relates to an all-solid-state battery and a manufacturing method therefor. More specifically, the present invention comprises: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer disposed therebetween, the solid electrolyte layer comprising electrolyte particles and an adhesive compound.
Absstract of: WO2026089112A1
The present invention relates to an adhesive composition, an all-solid-state battery, and a method for manufacturing an all-solid-state battery and, more specifically, comprises a first compound and a second compound, wherein the first compound includes at least one first side chain, the second compound includes at least one second side chain, and the first and second side chains are ionically bonded to each other by heat treatment.
Absstract of: US20260121026A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode are provided. The negative electrode includes: a negative electrode current collector including a carbon layer including a first porous substrate and a carbon-based material existing inside the first porous substrate and a silicon layer including a second porous substrate and a silicon-based negative electrode active material existing inside the second porous substrate; and a negative electrode active material layer arranged on a surface of the negative electrode current collector and including a negative electrode active material.
Absstract of: WO2026089576A1
The present invention relates to a positive electrode active material for a sodium secondary battery, a positive electrode comprising same, and a sodium secondary battery. More specifically, the positive electrode active material for a sodium secondary battery exhibits an effect of improving capacity and output performance when applied to a sodium secondary battery due to having a form in which a sodium super ionic conductor (NaSICON) compound is coated in an island shape on the surface of an oxide-based layered compound.
Absstract of: WO2026087734A1
The invention relates to a cathode active material for sodium-ion batteries, comprising a layered oxide structure with lithium doping to enhance air stability and electrochemical performance. The material has a general formula NabLixXyMnzMrO2, wherein X is one or a combination of Cu and Ti, M is at least one of Fe, Co, or Ni, and the atomic ratios satisfy 0.50 ≤ b ≤ 0.70, 0.05 ≤ x ≤ 0.30, 0 ≤ y ≤ 0.80, 0 < z ≤ 0.90, 0 ≤ r ≤ 0.90, with x + y + z + b + r = 1.0. The cathode active material comprises one or more P2-type phases and exhibits phase retention of at least 50% after prolonged exposure to high humidity. A method for preparing the material is also disclosed, involving sol-gel synthesis, chelation, pre-sintering, and high-temperature calcination. The invention further relates to sodium-ion batteries incorporating the cathode material, which demonstrate improved discharge capacity, energy density, and cycle retention, making them suitable for use in consumer electronics, energy storage systems, and electric vehicles.
Absstract of: WO2026089554A1
The present application relates to an electrode composition comprising: an electrode active material; an electrode binder; and polymer beads, wherein the polymer beads are soluble in an electrolyte.
Absstract of: WO2026089104A1
Provided is a positive active material for a lithium secondary battery, comprising a core particle and a coating layer formed on at least a portion of the surface of the core particle, wherein the core particle includes a lithium-containing metal oxide, the coating layer includes cobalt and boron, the amount of boron is 0.02-0.08 wt% on the basis of the positive active material, and the BET value of the positive active material is 0.9 m2/g to 1.05 m2/g.
Absstract of: WO2026086286A1
Provided in the embodiments of the present disclosure are a battery device, an energy storage device and an electric device. The battery device comprises a case assembly, a battery cell assembly and a heat exchange assembly, wherein an accommodating cavity is provided inside the case assembly, the battery cell assembly is arranged in the accommodating cavity, and the heat exchange assembly is arranged in the case assembly; and the heat exchange assembly comprises a heat exchange member and an adapter member, wherein the heat exchange member is connected to the adapter member, the adapter member is flexibly connected to at least part of the case assembly, and at least one medium flow channel is provided inside the heat exchange member and same is configured to conduct a heat exchange medium, which is configured to perform heat exchange with the battery cell assembly, and the medium flow channel is in communication with the outside of the case assembly by means of the adapter member.
Absstract of: EP4734177A1
0001 The present application relates to a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode.
Absstract of: EP4734168A1
0001 The present invention provides a preparation method of a positive electrode including preparing a positive electrode slurry containing a positive electrode active material having a lithium iron phosphate particle in a secondary particle form in which a plurality of primary particles is aggregated; applying the positive electrode slurry onto a positive electrode current collector; and performing rolling on the applied positive electrode slurry to form a positive electrode active material layer, wherein the lithium iron phosphate particle in a secondary particle form has a particle breakage strength of 4 kgf/mm<2> to 20 kgf/mm<2>, and a ratio of a surface roughness Rz<1> of the positive electrode current collector before the rolling to a surface roughness Rz<2> of the positive electrode current collector after the rolling is 0.5 or less.
Absstract of: EP4734249A1
A power storage module 11 includes an electrode laminate 12 and a sealing portion 13 made of resin. The sealing portion 13 includes a plurality of sealing layers 30 each including a first region R1 welded to a peripheral portion 21c of a current collector 21 and a second region R2 extending beyond an outer edge 21d of the current collector 21, and a spacer layer 33 provided between the sealing layers 30 adjacent in a lamination direction. The plurality of sealing layers 30 include first sealing layers 31 provided respectively on a second surface 21b of a positive terminal electrode 16 and on a first surface 21a of a negative terminal electrode 17. The first sealing layers 31 each includes a first resin layer 41, a gas barrier resin layer 42, and a second resin layer 43. Outer edge portions of the plurality of sealing layers 30 including a pair of the first sealing layers 31 and an outer edge portion of the spacer layer 33 are integrated with each other by welding to form an end surface welded portion 34. The gas barrier resin layer 42 is provided to overlap with at least the second region R2.
Absstract of: EP4733781A1
0001 According to some embodiments disclosed herein, a battery diagnosis apparatus includes a sensor configured to measure battery data from a diagnosis target battery and a controller configured to generate experimental data regarding a lifespan of the diagnosis target battery, based on the battery data, establish a statistical model regarding a state of the diagnosis target battery and a regression model regarding the lifespan of the diagnosis target battery, based on the experimental data, and predict the lifespan of the diagnosis target battery based on the statistical model and the regression model.
Nº publicación: EP4733790A1 29/04/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Absstract of: EP4733790A1
A battery pack according to an embodiment disclosed herein includes a plurality of battery modules and a battery management apparatus configured to obtain a state of charge (SOC) and/or a state of health (SOH) of each of the plurality of battery modules, determine at least one first battery modules based on the SOC of each of the plurality of battery modules, and determine an activation rate of each of the at least one first battery modules, based on SOHs of the first battery modules.
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