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1356
results.
Updated on
03/05/2026 [07:29:00]
Results 200 to 225 of 1356
Absstract of: WO2026085973A1
A fire extinguishing and explosion suppression device (802) and a battery energy storage system (800). The fire extinguishing and explosion suppression device (802) comprises: a fire extinguishing agent storage device (100) configured to contain a fire extinguishing agent, an explosion suppressant storage device (200) configured to contain an explosion suppressant, a propellant storage device (300) configured to contain a propellant, and a refrigerating machine (700), wherein the fire extinguishing agent storage device (100) is connected to a spot-spray control device (400) via a fire extinguishing agent pipe (910), the explosion suppressant storage device (200) is connected to the spot-spray control device (400) via an explosion suppressant pipe (920), and the propellant storage device (300) is connected to the fire extinguishing agent storage device (100) via a propellant pipe (320); the refrigerating machine (700) is connected to the fire extinguishing agent storage device (100) and is configured to liquefy the fire extinguishing agent in the fire extinguishing agent storage device (100); and the spot-spray control device (400) is configured to output the fire extinguishing agent and the explosion suppressant after mixing.
Absstract of: US20260118441A1
A battery management apparatus located in a battery system including a plurality of battery groups, may include at least one processor, and a memory configured to store instructions executed by the at least one processor. The instructions may include an instruction to detect an occurrence of an abnormality in the battery system, an instruction to determine a specific battery group of the plurality of battery groups in which the abnormality has occurred depending on whether balancing has been performed when the abnormality has occurred in the battery system, and an instruction to detect a specific battery in which the abnormality has occurred based on temperatures of a plurality of batteries in the specific battery group.
Absstract of: US20260121257A1
0000 Provided is a battery cell including of: an electrode tab assembly in which a plurality of electrode tabs extending from a plurality of electrode plates to one side are stacked; a case in which the plurality of electrode plates are accommodated; and a lead tab electrically connected to the electrode tab assembly and having at least a portion exposed to the outside of the case. The electrode tab assembly includes: a first connection part formed by welding and coupling at least some of the plurality of electrode tabs to each other, and a second connection part extending from the first connection part and welded and coupled to the lead tab, wherein the number of electrode tabs constituting the second connection part is smaller than the number of electrode tabs constituting the first connection part.
Absstract of: US20260116778A1
The present disclosure relates to a method of recycling a cathode active material and a recycled cathode active material prepared using the same. The method of recycling a cathode active material includes: (a) performing a first heat-treatment of a waste cathode containing a current collector and a cathode active material layer coated on the current collector in the air or under oxygen atmosphere to recover a cathode active material; (b) adding a lithium precursor to the recovered cathode active material and performing a second heat treatment in the air to recover the crystal structure of the cathode active material; (c) adding a dopant precursor to the cathode active material having the recovered crystal structure and performing doping by a third heat treatment; and (d) washing the doped cathode active material with a washing solution. The method of recycling a cathode active material provides improved capacity characteristics and lifespan characteristics and excellent crack resistance by doping a recycled cathode active material with a predetermined dopant.
Absstract of: US20260121122A1
Provided are an electrolyte additive, a non-aqueous electrolyte, and a lithium secondary battery including the same. Specifically, the electrolyte additive including a compound represented by Formula 1 provides a lithium secondary battery with excellent cycle characteristics by forming a robust SEI layer on the surface of the negative electrode.
Absstract of: US20260118433A1
0000 A method for diagnosing a battery having a positive electrode to which an active material is applied includes generating a differential profile representing a corresponding relationship between a differential capacity obtained by differentiating a capacity of the positive electrode with respect to a potential of the positive electrode and the potential of the positive electrode, for each predetermined diagnosis cycle; generating a plurality of Gaussian curves that form a curve corresponding to the differential profile when combined with each other; generating diagnosis information on a redox reaction amount of one or more elements among a plurality of different elements included in the active material using the plurality of Gaussian curves; and diagnosing the battery based on the diagnosis information.
Absstract of: US20260121033A1
Rechargeable lithium-ion cells and implantable medical devices including the same are provided herein with niobium-based negative electrodes and high voltage positive electrodes. Electrode active materials are provided herein, including pseudoternary compositions within a Ti—Nb—W—O pseudoternary system and/or including titanium, niobium, oxygen, and an elemental dopant. Rechargeable lithium-ion cells provided herein with niobium-based negative electrodes afford improved energy density, and, more particularly, provide improved energy density at operating voltages for use in implantable medical devices.
Absstract of: US20260121048A1
0000 The present disclosure discloses a preparation method of sodium-rich sodium iron sulfate composite material and its application in sodium storage. The preparation method includes carrying out low-speed ball milling of iron-based sulfate and dispersion-treated carbon nanotubes (CNTs), performing vacuum drying and heat treatment, and naturally cooling to room temperature to obtain FeSO<4>/CNTs; mixing FeSO<4>/CNTs and anhydrous Na<2>SO<4 >according to a molar ratio of Na to Fe of 7:5.5, performing low-speed wet ball milling, vacuum drying, and grinding to obtain Na<2>SO<4>/FeSO<4>/CNTs; compacting Na<2>SO<4>/FeSO<4>/CNTs, loading in a tube furnace, holding at 350-400° C. for 10-24 h, cooling to room temperature, and grinding to obtain Na<7>Fe<5.5>(SO<4>)<9>/CNTs composite material. The inventive Na<7>Fe<5.5>(SO<4>)<9 >cathode material has the advantages of good specific capacity for sodium storage, excellent rate performance, and stable long cycle life.
Absstract of: WO2026085819A1
The present application relates to the field of lithium-ion batteries, and provides a lithium manganese iron phosphate material, a preparation method therefor, a positive electrode sheet, and a lithium-ion battery, wherein the lithium manganese iron phosphate material has a molecular formula of LixMnyFe1-y(PO4)z, where 0.7≤x≤1.1, 0.15≤y<1, 0.9≤z≤1.05, a manganese dissolution of 25-33 ppm, a powder resistivity of 12-28 Ω·cm, and a magnetic substance amount of 0.05-0.12 ppm. The lithium manganese iron phosphate material provided by the present application has a low powder resistivity, a small amount of magnetic substance, and a significantly reduced manganese dissolution, and when being used as a positive electrode active material for a lithium-ion battery, the corresponding lithium-ion battery can exhibit a higher charge-discharge rate and efficiency, thereby improving the electrical performance and safety stability of the lithium-ion battery.
Absstract of: WO2026085947A1
The present invention relates to an extraction technique for low-cost recovery of battery-grade manganese sulfate from a manganese-containing nickel-cobalt raw material, the extraction technique comprising the following steps: (1) subjecting an extractant and liquid caustic soda to saponification to obtain an organic phase, wherein a P204 extractant is mixed with solvent oil for use, with the concentration of the P204 being 5%-50% and the balance being the solvent oil, and the saponification rate of the saponification of the mixed extractant and liquid caustic soda is less than or equal to 23.7%; (2) mixing a saponified organic phase in step (1) with a feed liquid for P204 extraction (a manganese-containing nickel-cobalt raw material liquid), and then performing an extraction operation by using a new extractor to obtain an impurity liquid and a raffinate obtained from P204 impurity co-extraction and containing less than or equal to 1 ppm of calcium, wherein the pH is controlled at 0-4.5 during extraction, and the post-extraction O/A ratio is equal to 0.415-5.2; and (3) sequentially performing the steps of extraction, scrubbing, manganese stripping, iron scrubbing and water washing on the raffinate obtained from P204 impurity co-extraction in step (2), thereby completing the treatment. The process is used for producing battery-grade manganese sulfate, without first enriching manganese and impurities into a manganese-enriched liquid and then using a C272 extractant to achieve m
Absstract of: WO2026086422A1
Provided are a battery multi-stacked-cell structure and an assembly method therefor, and a battery module. The battery multi-stacked-cell structure comprises cross-shaped connectors and a plurality of stacked cell units (10), wherein each stacked cell unit (10) comprises a stacked cell body (101) and tabs arranged at the ends of the stacked cell body (101); each connecting arm of the cross-shaped connectors is connected to the tabs of at least one stacked cell unit (10); the same cross-shaped connector is connected to the tabs of the plurality of stacked cell units (10) that have the same polarity; and the plurality of stacked cell units (10) are assembled to form a multi-stacked-cell assembly. The battery multi-stacked-cell structure can realize parallel assembly of various numbers of stacked cells, thereby effectively improving the process adaptability of a blade battery and improving the energy density of the blade battery.
Absstract of: US20260121261A1
0000 The present disclosure relates to a battery including: an electrode assembly; a battery housing configured to receive the electrode assembly through an opening formed on one side; a battery terminal configured to be electrically connected to the electrode assembly through a closed portion provided on the opposite side of the opening of the battery housing; and a current collector including a first coupling portion configured to be electrically connected to the electrode assembly, a second coupling portion configured to be electrically connected to the battery terminal, and a bridge portion configured to electrically connect the first coupling portion and the second coupling portion to each other, and configured such that at least a portion of an area adjacent to the second coupling portion has a reduced cross-sectional area.
Absstract of: US20260116758A1
The present invention relates to a negative electrode active material for a lithium secondary battery and a method for manufacturing the same. Specifically, the present invention relates to a negative electrode active material comprising a plurality of amorphous carbon layers on nano silicon-crystalline carbon composite particles, and a method for manufacturing the same.
Absstract of: WO2026087312A1
A method for fabricating a multilayer all-solid-state battery is provided. The method involves preparing distinct mixtures for the cathode, anode, and solid electrolyte from particulate materials, metal ions, and a polymeric binder. These mixtures are sequentially screen-printed onto a conductive substrate to form a sandwich structure, where the electrodes cover at least 90% of the battery cell's surface area. The entire structure is then subjected to a low-temperature heat treatment that sinters the particles, creating a dense, fully integrated battery with strong interfacial contact. The resulting battery can achieve high voltages (2.5-28V) and large cell areas (up to 1m x 1m), with a core facilitating superior heat dissipation without additional cooling. The process enables the fabrication of batteries without toxic or flammable materials, enhancing safety and simplifying recycling, making them suitable for powering motor vehicles.
Absstract of: US20260121130A1
0000 Disclosed are energy storage devices, methods of fabricating energy storage devices, and methods of charging and discharging the energy storage device. The energy storage device may include alternating layers of nanoparticle monolayers and insulating oxide layers. The energy storage device may have faster charging and discharging rates as compared to conventional energy storage devices.
Absstract of: WO2026089459A2
The present invention relates to a method for recovering lithium from secondary batteries by means of a plasma electric arc furnace, the method enabling lithium to be recovered using plasma arc heat at a very high recovery rate from black mass obtained by crushing secondary batteries. The method for recovering lithium from secondary batteries by means of a plasma electric arc furnace according to the present invention comprises: a black mass generation step (11) of manufacturing black mass through a pretreatment step of crushing waste lithium battery cells to recover lithium from the waste lithium batteries; a step (13) of generating black powder by reducing the black mass manufactured in the black mass generation step in a shaft reduction furnace while injecting oxygen; a flux addition step (15) of mixing the black powder with a CaCl2 flux; a step (17) of melting a raw material of the black powder to which the flux has been added in the plasma electric arc furnace; and a step (19) of recovering lithium compound dust generated in the plasma electric arc furnace through a bag filter.
Absstract of: DE102024210511A1
Die Erfindung betrifft einen Temperiermedienkreislauf (100) zum Temperieren einer Batterie (4) aufweisend ein Kohlenwasserstoffbasiertes Temperiermedium, insbesondere Dieselkraftstoff, einen ersten Wärmetauscher zum Übertragen von Wärme zwischen der Batterie (4) und dem Temperiermedium, eine Pumpe (3) zum Fördern des Temperiermediums, und einen zweiten Wärmetauscher (2) zum Übertragen von Wärme zwischen einer Wärmesenke und/oder einer Wärmequelle und dem Temperiermedium. Ferner wird ein Fahrzeug (200) mit einem solchen Temperiermedienkreislauf (100) vorgeschlagen.
Absstract of: DE102024131607A1
Die Erfindung betrifft ein System (1) zum Kühlen und/oder Heizen für ein Fahrzeug. Das System (1) umfasst einen vom Kühlmittel durchströmbaren Kühlung-Kreislauf (K-KL) und einen Radiator-Kreislauf (R-KL). Der Kühlung-Kreislauf (K-KL) und der Radiator-Kreislauf (R-KL) sind über ein Verteilungsventil (7) fluidisch verbindbar. Das System (1) umfasst zudem eine Kühlung-Pumpe (10), die in dem Kühlung-Kreislauf (K-KL) fluidisch angeschlossen ist. Die Kühlung-Pumpe (10) ist die einzige Pumpe in dem Kühlung-Kreislauf (K-KL) und dem Radiator-Kreislauf (R-KL).
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: 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: WO2026089155A1
The present invention relates to an all-solid-state battery and a method for producing same, and more specifically comprises: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, the solid electrolyte layer comprising electrolyte particles and an adhesive polymer.
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: WO2026088605A1
This power storage element comprises an electrode body, a first conductive member that is connected to the electrode body, a second conductive member that is connected to the first conductive member, and a terminal that is connected to the second conductive member, wherein the first conductive member is provided with a first connection part which is connected to the electrode body and a second connection part which is connected to the second conductive member, and the first connection part is provided with a large-cross-section part or a thick part.
Absstract of: US20260121136A1
0000 A system includes a power tool including a battery pack interface and a battery pack configured to connect to the battery pack interface. The battery pack is configured to superimpose a digital signal onto an analog signal to generate a composite signal. The battery pack is configured to transmit the composite signal to the power tool via the battery pack interface. The power tool is configured to separate the composite signal into an analog component and a digital component.
Nº publicación: WO2026088593A1 30/04/2026
Applicant:
TOMIYAMA PURE CHEMICAL IND LTD [JP]
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Absstract of: WO2026088593A1
Provided is a method for manufacturing a power storage device with which it is possible to improve high-temperature characteristics. This method for manufacturing a power storage device provided with a positive electrode, a negative electrode, and an electrolyte solution includes a step for filling at least a space between the positive electrode and the negative electrode with the electrolyte solution, and a step for performing a heat treatment on the electrolyte solution, and the electrolyte solution contains a solvent, an electrolyte salt having a fluorine atom, and a silyl compound having at least one silyl group.
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