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746
results.
Updated on
21/08/2026 [07:19:00]
Results 625 to 650 of 746
Absstract of: EP4790798A1
0001 A heating assembly includes a base member, a heat generating member provided on one or both sides of the base member, and a heat transfer member covering the heat generating member and contacting a battery cell to transfer heat to the battery cell.
Absstract of: EP4790516A1
0001 A head-wearable device comprising a larger battery, a smaller battery, one or more electronic components, and memory including executable instructions for causing the head-wearable device to perform operations is described. The operations are performed in response to a request to perform a computational task. The operations include, in accordance with a determination that a larger battery charge is above a larger battery charge threshold and a smaller battery charge is above a smaller battery charge threshold, providing power from the larger battery and the smaller battery to the one or more electronic components. The operations further include, in accordance with a determination that the larger battery charge is above the larger battery charge threshold and the smaller battery charge is below the smaller battery charge threshold: (i) deactivating a discharging path of the smaller battery and (ii) providing power from the larger battery to the one or more electronic components.
Absstract of: WO2026132726A1
The invention relates to a spacer (15) intended to be positioned between a cover (6) and a terminal (2, 3) of a prismatic battery cell (1), the spacer (15) comprising a main body (60) and having a lower face (fi60) intended to come into contact with the cover (6), and an upper face (fs60) intended to come into contact with the terminal (2, 3); the spacer (15) comprising, on its upper face (fs60), a cruciform impression (63) in relief. The invention also relates to an assembly (5), and to a battery cell (1) comprising such a spacer (15).
Absstract of: WO2026132727A1
The invention relates to an electrical insulation element (13) intended to be interposed between a current collector (10) and a cover (6) of a prismatic battery cell (1), the insulation element (13) having a lower face (fi13) intended to be turned towards the current collector (10), and an upper face (fs13) intended to come into contact with the cover (6); the insulation element (13) comprising, on its upper face (fs13), three-dimensional positioning elements (41, 43) that are intended to cooperate in a form-fitting manner with complementary elements delimited by the cover (6) in such a way as to prevent the insulation element (13) and the cover (6) from moving in translation and rotation in relation to each other. The invention also relates to an assembly (5) and a battery cell (1) comprising such an insulation element (13).
Absstract of: EP4790778A1
According to exemplary embodiments of the present disclosure, an electrode splicing apparatus is provided. The electrode splicing apparatus includes: a first splicing unit capable of gripping a trailing end portion of a running electrode sheet; a second splicing unit disposed opposite to the first splicing unit and capable of gripping a leading end portion of a standby electrode sheet; and a line-contact type pressing unit for bonding the trailing end portion of the running electrode sheet and the leading end portion of the standby electrode sheet with a tape. The present disclosure also provides an electrode splicing method using such an electrode splicing apparatus.
Absstract of: EP4789888A2
A vehicle mounting structure for an energy storage apparatus including: an energy storage cell (32) in which a vertical wall (56) extending in a vehicle up and down direction is disposed on an end portion thereof in a first direction orthogonal to the vehicle up and down direction; an upper cover (34) disposed above the energy storage cell (32); a panel member (44, 46) disposed above the upper cover (34); and an elastic member (42) that is disposed between the upper cover (34) and the panel member (44, 46) and is disposed overlapping the vertical wall (56) as viewed from the vehicle up and down direction.
Absstract of: EP4790797A1
The present disclosure provides a battery cell unit including: a plurality of battery cells; a battery cell unit frame that forms an accommodation space for the plurality of battery cells and seals the accommodated plurality of battery cells against the outside; and an insulating oil that is capable of cooling the plurality of battery cells and is hermetically injected into the accommodation space of the battery cell unit frame to immerse the plurality of battery cells, wherein the battery cell unit frame is provided with a cooling flow path penetrating therethrough through which coolant can flow in and out.
Absstract of: EP4790825A1
A battery assembly according to the present invention comprises: a busbar capable of conducting electricity; a busbar frame configured to support the busbar; an end plate configured to cover the busbar frame; a substrate including a substrate body and a substrate bending portion that is bent between the end plate and the busbar frame to contact the busbar from the substrate body; and a fuse located on the substrate bending portion to interrupt electricity flowing through the substrate, wherein the fuse faces the end plate, and the end plate includes a spaced portion formed at a position corresponding to the fuse and spaced apart from the fuse.
Absstract of: EP4790801A1
Disclosed are a housing, a battery cell, and a battery. The housing (100) includes: a first side panel (110) and a second side panel (120) arranged adjacently along a circumferential direction of a housing opening (140), and a maximum thickness of the first side panel is less than a maximum thickness of the second side panel; and a connection corner panel (130) for connecting the first and second side panels. The connection corner panel is provided with a corner panel first segment (131), a corner panel second segment (132), and a corner panel third segment (133) in sequence in a height direction of the housing. A maximum thickness of the corner panel second segment is greater than a maximum thickness of the corner panel first segment. A maximum thickness of the corner panel third segment is less than or equal to the maximum thickness of the corner panel second segment.
Absstract of: EP4790786A1
0001 An electronic device according to an embodiment of the present disclosure may comprise: a housing; a battery pack disposed in the housing, the battery pack comprising a battery cell and a battery protective circuit module (PCM) disposed so as to contact a surface of the battery cell, the battery PCM comprising a first connecting portion having at least one hole formed therein; a circuit board having at least one second hole formed therein, the circuit board being disposed so as to overlap at least a part of the battery PCM; and at least one retaining member configured to extend through the at least one first hole and the at least one second hole such that the battery PCM and the circuit board are retained on the housing.
Absstract of: WO2025093724A1
The disclosure provides a composition for an insulating edge coating comprising a ceramic material and a polyurethane or polyurethane urea binder The disclosure also provides an edge coating of said material and an electrode comprising the edge coating.
Absstract of: EP4790795A1
The present application relates to a battery module and a battery pack. The battery module includes: multiple battery cell groups spaced apart along a first direction; multiple cooling plates spaced apart along the first direction, with a cooling plate arranged between two adjacent battery cell groups; and multiple connection terminals located at one end of the cooling plates, the connection terminals corresponding one-to-one with the cooling plates. Adjacent cooling plates are interconnected via the connection terminals, and the connection terminal on the cooling plate furthest from the downstream end is provided with a shunt port for discharging coolant from the cooling plate.
Absstract of: EP4789859A1
0001 A bump preparation device, comprising a bump preparation mechanism (100) and a compacting mechanism (200) which are sequentially arranged in a conveying direction (X) of a first material (300), wherein the bump preparation mechanism (100) is used for preparing overvoltage bumps (310) on the first material (300); the height (h) of each overvoltage bump is greater than the height of a preset bump, and the preset bump is a bump required by the first material (300); and the compacting mechanism (200) is used for applying a pressure to the overvoltage bumps (310) towards a main body of the first material (300), so that the thickness (a) of the first material reaches a preset value. The device can improve the thickness consistency of electrode sheets and reduce the risk of tab dislocation. Also provided are a battery production system and a winding method.
Absstract of: WO2025073062A1
Low voltage power units for vehicles are described herein. The low voltage power units may include a housing, a plurality of battery cells, an induction charger electrically coupled to the battery cells and a battery management system. The battery management system may include a processor and a communication module. The processor may instruct the communication module to transmit state of charge (SOC) and/or state of health (SOH) information to a cloud-based server upon the induction charger being charged. The units may also include a temperature control system including a cooling plate and a heating element. The cooling plate may circulate a fluid to remove heat from the battery cells. The heating element may be configured to generate heat and transmit heat to the battery cells. The units may include a load shed circuit having a plurality of load shed relays and a plurality of current limited critical load outputs.
Absstract of: EP4790784A1
0001 Provided is a method for conveying a sulfide solid electrolyte, including a step of compressing a powdered sulfide solid electrolyte containing a lithium atom, a sulfur atom, and a phosphorus atom to obtain a pressed powder, a step of filling a packaging container with the pressed powder to obtain a packaged body, a step of conveying the packaged body, and a step of removing the pressed powder from the packaged body and crushing the pressed powder to obtain a crushed product.
Absstract of: EP4790823A1
0001 This power storage device includes an electrode member including a current collector, an exterior film wrapping the electrode member, and a lid member including a metal material and sealing the electrode member together with the exterior film. The lid member includes a lid body, and a joining part that protrudes from the lid body toward the electrode member and that is joined to the current collector.
Absstract of: WO2025075592A2
The invention is a thermal management method for the effective cooling of vehicle batteries comprising multiple battery packs (60) in the outer housing (10) forming the case (C), characterized in that the temperature change in the case (C) is detected locally by at least one temperature sensor (30) under the control of at least one electronically operated control unit (20), and at least one cooling material (42) is moved in the magnetic field formed on multiple paths formed between the battery packs (60).
Absstract of: WO2025073536A1
This invention provides an electric vehicle charging arrangement. The arrangement comprises: a source of electric power; a charging unit configured to deliver electric power from the source of electric power to a battery of an electric vehicle; an off-board heat exchanger; a first cooling circuit in thermal connection with the heat exchanger, wherein the first cooling circuit comprises a first pumping arrangement configured to deliver a flow of coolant to the battery of the electric vehicle during charging of the battery; and a second cooling circuit in thermal connection with the heat exchanger, wherein the second cooling circuit comprises a second pumping arrangement configured to deliver a flow of coolant to the charging unit during charging of the battery.
Absstract of: EP4790791A1
The present application relates to the technical field of lithium batteries and discloses a method for recovering valuable metals from lithium battery black mass. Lithium battery black mass is mixed with a sulfur-containing substance and an inhibitor, followed by roasting, water leaching, and filtering to obtain a first filtrate and a first filter residue; a lithium salt is prepared from the first filtrate, and other valuable metals are recovered from the first filter residue; wherein the inhibitor is at least one selected from the group consisting of magnesium oxide, magnesium hydroxide, calcium oxide, calcium hydroxide, aluminum oxide, and aluminum hydroxide. The method provided by the present application enables the recovery of valuable metals from various types of lithium battery black mass, ensuring a high lithium recovery rate (≥98%) while allowing more other valuable metals to remain in the residue phase (with a loss rate <2%) for subsequent recovery, thereby improving the recovery rates of the other valuable metals.
Absstract of: EP4790157A1
Disclosed is a method of recovering valuable metals from spent batteries according to various embodiments for achieving the above-described objects. The method may include performing heat treatment on a target material corresponding to spent lithium-ion batteries using a heat treatment device, performing a crushing process, using a crushing device, on the recovered target material after the heat treatment to obtain a plurality of recovered materials, performing a sieving process on the plurality of recovered materials through a sieving device to obtain a plurality of separated fractions having different particle sizes, performing a leaching process, using a leaching device, on a first separated fraction among the plurality of separated fractions to separate lithium carbonate (Li2CO3) from the first separated fraction and obtain valuable metal oxides, performing a grinding process on the valuable metal oxides using a grinding device to micronize them, obtaining a mixed powder from the micronized valuable metal oxides through a magnetic separation process using a magnetic separation device, and separating the valuable metal oxides from which the mixed powder has been removed into a plurality of sub-oxides based on the difference in specific gravity between the components using a specific gravity separation device.
Absstract of: EP4790790A1
A method for producing a precursor of a lithium ion battery cathode active material from lithium ion battery waste includes: an acid leaching step of leaching metals in battery powder obtained from lithium ion battery waste with an acid to obtain a metal-containing solution containing cobalt ions and/or nickel ions; a cobalt extraction step of extracting cobalt ions from the metal-containing solution containing cobalt ions by solvent extraction to obtain a cobalt-containing solution containing sodium ions, and/or a nickel extraction step of extracting nickel ions from the metal-containing solution containing nickel ions by solvent extraction to obtain a nickel-containing solution containing sodium ions; a mixing step of preparing a mixed solution containing cobalt ions and/or nickel ions and sodium ions using the cobalt-containing solution and/or the nickel-containing solution; a coprecipitation step of using sodium hydroxide and/or sodium carbonate as a pH adjusting agent and adding a complexing agent to the mixed solution to obtain a composite salt containing cobalt and/or nickel by coprecipitation reaction; and a washing step of washing the composite salt to obtain a precursor.
Absstract of: WO2025072994A1
The invention relates to a device (1) for storing electric energy, comprising a plurality of storage cells (2) for storing the electric energy, and a plurality of apparatuses (3) for at least temporarily compressing the storage cells (2), wherein the apparatuses (3) each have a casing (5) with a plastic film, and a fluid is contained in the apparatuses (3) for at least temporarily compressing the storage cells (2). The casings (5) are each formed by a multi-layer film (8) having a plurality of layers (9, 10, 12, 13, 14).
Absstract of: EP4790073A1
Provided is a sulfur-containing material including a sulfur-modified compound, wherein, in photoelectron spectrum analysis of an S1s orbital of the sulfur-containing material by hard X-ray photoelectron spectroscopy, a ratio (A/B) between a peak intensity area (A) of a peak corresponding to an S-S bond and a peak intensity area (B) of a peak corresponding to a C-S bond, the peaks being observed in waveform separation of a peak of the S1s orbital within a range of 2,460 eV or more and 2,475 eV or less, is 2.5 or more and 4.0 or less (2.5≤A/B≤4.0).
Absstract of: EP4790763A1
Provided are a lithium iron phosphate cathode material and a preparation method therefor, and a lithium-ion battery, which relate to the technical field of cathode materials. The lithium iron phosphate cathode material includes a matrix and a carbon coating layer coated on a surface of the matrix. A crystal structure factor A of the lithium iron phosphate cathode material satisfies 4.600 Å-4 ≤ A ≤ 9.500 Å-4. The calculation formula of the crystal structure factor A is: A=C×105D010×V; wherein C is a crystallinity of the crystal; V is a unit cell volume; D (010) is a grain size of a crystal plane D (010), with a value satisfying 4 Å ≤ D(010) ≤ 9 Å. Lithium iron phosphate cathode materials that meet the above range have excellent low-temperature electrochemical properties.
Nº publicación: EP4788976A2 12/08/2026
Applicant:
SUPERNAL LLC [US]
Supernal, LLC
Absstract of: CN121311723A
A test device includes: a base; a mounting frame including a plurality of supports coupled to the base; a plurality of temperature control assemblies; a positive electrode contact jig configured to contact a positive electrode of the battery; a negative electrode contact jig configured to contact a negative electrode of the battery; and a process controller. Each temperature control assembly includes: a thermal interface material (TIM) layer disposed on a surface of a metal clamp configured to match a shape and size of a battery; a thermoelectric junction disposed between the metal clamp and the heat sinks, where each heat sink is coupled to the duct fan assembly; and a relay switch coupled to each thermoelectric junction. A process controller is coupled to the relay switch and configured to control the relay switch to adjust a temperature of the thermoelectric junction plate.
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