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1089
results.
Updated on
22/08/2026 [07:48:00]
Results 975 to 1000 of 1089
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: EP4790800A1
0001 A secondary battery includes a stack-type electrode assembly in which a plurality of unit batteries are stacked in a first direction, the stack-type electrode assembly having electrode leads at each end thereof in a second direction perpendicular to the first direction, a multifunctional terminal block located at each end of the stack-type electrode assembly, and a laminate sheet surrounding side surfaces of the stack-type electrode assembly. The multifunctional terminal block includes a fused resin layer having a locally increased thickness on a side surface thereof.
Absstract of: EP4790762A1
0001 A composition for forming an electrode, including: a compound having a ring structure and an unsaturated bond; a positive electrode active material; a binder; and a solvent, wherein the compound has a dissociable proton in a molecule, a proton dissociation energy of the compound is less than 1504.7 (kJ/mol), and a bond dissociation energy of the compound is less than 452.61 (kJ/mol).
Absstract of: EP4790761A1
0001 A composition for forming an electrode, including: a compound having a ring structure and an unsaturated bond; a positive electrode active material; a binder; and a solvent, wherein the compound has a dissociable proton in a molecule, a proton dissociation energy of the compound is less than 1484.2 (kJ/mol), and a highest occupied molecular orbital (HOMO) of the compound is more than -0.27736(a.u.).
Absstract of: EP4790822A1
A secondary battery including a electrode assembly stack having a plurality of unit batteries stacked in a first direction and having electrode tabs of each of the plurality of unit batteries at both ends in a second direction perpendicular to the first direction; multifunctional terminal blocks (MTB) provided at both ends of the stack-type electrode assembly; and a laminate sheet surrounding the side surfaces of the stack-type electrode assembly is provided. The MTB includes a busbar structure electrically connected to the electrode tabs and an MTB housing accommodating the busbar structure, and the busbar structure includes a first busbar plate into which a plurality of electrode tabs are inserted together and a second busbar plate in surface contact with the first busbar plate.
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: EP4790766A1
0001 Provided are a sodium vanadium fluorophosphate cathode material, a cathode plate and a sodium-ion battery, and the present application belongs to the technical field of sodium-ion batteries. The sodium vanadium fluorophosphate cathode material includes sodium vanadium fluorophosphate particles and nitrogen-doped carbon coating layers on surfaces of the sodium vanadium fluorophosphate particles, a ratio of Ig to Id of the nitrogen-doped carbon coating layers in a Raman spectrum is 1-1.9, a porosity of the sodium vanadium fluorophosphate cathode material is 12%-33%, and a powder resistivity of the sodium vanadium fluorophosphate cathode material is 27,000 Ω·cm-73,000 Ω·cm. The present application is conducive to improving the electrochemical performance of the sodium vanadium fluorophosphate cathode material, especially cycle performance and rate capability.
Absstract of: WO2025074107A1
The invention relates to a non-aqueous electrolyte composition for an electrochemical cell comprising a presodiation reagent which comprises one or more sacrificial sodium salts. The invention also relates to an electrochemical cell which has been presodiated using said non- aqueous electrolyte. Devices, methods, and uses including said non-aqueous electrolyte are also disclosed.
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: EP4789907A1
0001 The application relates to an integrated battery management system and device. The integrated battery management system includes a power management module and a drive control module. The power management module is configured to receive a power signal of the target battery and converts the power signal into a power supply signal adapted for the target module. The target module includes a drive control module and a control module. The drive control module is configured to acquire a status information of the target battery and converts the status information into a feedback signal adapted for the control module, so that the control module generates a drive control signal for the target battery based on the feedback signal. The drive control module is configured to perform a matching battery drive control operation on the target battery based on the drive control signal.
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: 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: 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: EP4790792A1
Disclosed are a thermal management component (400), a battery (100) and an electric device. The thermal management component (400) comprises a plate body (10), wherein the plate body (10) encloses a heat exchange cavity (11) for circulation of a heat exchange medium; in the direction of length of the plate body (10), a plurality of supporting portions are provided in the heat exchange cavity (11) at intervals; and the heat exchange cavity (11) comprises a pair of inner walls which are oppositely arranged in the direction of thickness, and the ends of each supporting portion intersect and are connected to at least one inner wall of the heat exchange cavity (11) at an acute angle. The thermal management component (400), the battery (100) and the electric device provided in the embodiments can effectively prevent a casing from cracking.
Absstract of: EP4790773A1
This power storage device includes an electrode body and an exterior body that seals the electrode body. The electrode body includes a first end portion, a second end portion disposed apart from the first end portion, and an intermediate portion continuously extending between the first end portion and the second end portion. The exterior body includes an exterior film wrapping the intermediate portion, and a lid body disposed on the first end portion side and/or the second end portion side, the lid body having a bonding surface that is bonded to the exterior film. The outer periphery of the intermediate portion is smaller than the outer periphery of the bonding surface.
Absstract of: WO2025076374A1
Presently described are saccharide-derived hard carbon materials and methods of making the same. The described materials are useful as electrochemical anode materials for metal-ion batteries, in particular, sodium ion batteries, as compared to currently available materials.
Absstract of: EP4790024A1
A method for recovering metals from lithium ion battery waste include: 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 at least one metal ion of cobalt ions and nickel ions; an extraction step of extracting one of the metal ions from the metal-containing solution by solvent extraction to obtain a metal-concentrated solution; a crystallization step of crystallizing the metal ions in the metal-concentrated solution to obtain a metal salt and a crystallized solution; a liquid circulation step of returning and using at least a part of the crystallized solution to the extraction step and/or the crystallization step; and a liquid removing step of removing a part of the metal-concentrated solution without being subjected to the crystallization step, wherein the metal-concentrated solution after the extraction step comprises sodium ions.
Absstract of: EP4790160A1
0001 A nickel hydrogen secondary battery 2 includes an outer can 10 and an electrode group 22 housed in the outer can 10 together with an alkaline electrolyte solution. The electrode group 22 includes a positive electrode 24 and a negative electrode 26 overlapped with each other via a separator 28. The negative electrode 26 is a hydrogen storage alloy represented by a general formula: Ln<1-a>MgNi
Absstract of: WO2025073510A1
A leak detection device, in particular for controlling the tightness of an electric battery, for example a traction battery, of a motor car, comprising a reference structure (4) provided with a heat storage and release material (21) in the form of elements of the ball and/or foam type.
Nº publicación: EP4790159A1 12/08/2026
Applicant:
SUMITOMO METAL MINING CO [JP]
SUMITOMO METAL MINING CO., LTD.
Absstract of: EP4790159A1
0001 The present invention provides a starting material for dry smelting, with which it is possible to efficiently produce a metal that contains a valuable metal, while suppressing the discharge amount of carbon dioxide. A starting material for dry smelting according to the present invention contains carbon (C) and at least one valuable metal selected from among nickel (Ni) and cobalt (Co), and has a C content of 25% by mass or less and C/(Ni + Co) of 2.5 or less. This starting material for dry smelting can be produced by a method which includes: a step for preparing a starting material that contains carbon and at least one valuable metal selected from among Ni and Co; a first classification step for subjecting the starting material to classification so as to divide the starting material into a coarse grain powder A<1> that contains the valuable metal and a fine grain powder A<2>; and a second classification step for subjecting the fine grain powder A<2> to classification so as to divide the fine grain powder into a coarse grain powder B<1> and a fine grain powder B<2>. Specifically, the coarse grain powder A<1> and the coarse grain powder B<1> are recovered so as to be used as a starting material for dry smelting.
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