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1635
resultados
Última actualización
11/03/2026 [07:42:00]
Resultados 300 a 325 de 1635
Resumen de: WO2026045436A1
An electrochemical apparatus and an electronic apparatus comprising the electrochemical apparatus. The electrochemical apparatus comprises a negative electrode sheet and an electrolyte; the negative electrode sheet comprises a negative electrode material layer, the negative electrode material layer comprises silicon, and on the basis of the total mass of the negative electrode material layer, the mass percentage content A of the silicon is 1% to 20%; the electrolyte comprises a compound of formula I and fluoroethylene carbonate, and on the basis of the total mass of the electrolyte, the mass percentage content C of the compound of formula I is 3% to 50%. The negative electrode sheet and the electrolyte are simultaneously applied to the electrochemical apparatus, thereby improving the cycle performance of the electrochemical apparatus.
Resumen de: WO2026045435A1
A secondary battery and an electronic device comprising same. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte. The electrolyte comprises a compound represented by formula I, where R is selected from an unsubstituted or Ra-substituted C2 to C6 alkyl, an unsubstituted or Ra-substituted C6 to C12 aryl, or an unsubstituted or Ra-substituted C5 to C12 nitrogen-containing heteroaryl; each Ra is independently selected from a halogen or a halogen-substituted C1 to C3 alkyl, and each halogen is independently selected from fluorine, chlorine, or bromine. Based on the total mass of the electrolyte, the mass percentage of the compound represented by formula I is A%, where 0.01 ≤ A ≤ 50. The positive electrode sheet comprises a positive electrode active material. The positive electrode active material comprises lithium cobalt oxide comprising an element M, and the element M comprises at least one of Al, Mg, Ti, Nb, Cr, Y, Sr, or Zr. Based on the total mass of the positive electrode active material, the mass percentage of the element M is B%, where 0.01 ≤ B ≤ 1. The values of A and B are controlled within the above ranges to facilitate formation of a low-impedance CEI film, thereby enabling the secondary battery to achieve both good high-temperature storage stability and low-temperature discharge performance.
Resumen de: WO2026050708A1
The present technology provides methods for the aqueous synthesis of lithium transition metal orthoborates wherein chemical precursors are added to an aqueous solution and milled together (e.g. with grinding media) as one step in the synthesis process. In one aspect, the Li-containing orthoborate material has the formula Lil+xMl-xBO3, wherein M is a transition metal, and wherein 0 =< x < 0.3.
Resumen de: WO2026048684A1
Provided are: an inorganic solid electrolyte-containing composition; a sheet for all-solid-state secondary batteries; an all-solid-state secondary battery; a method for producing the sheet; and a method for producing the all-solid-state secondary battery. The inorganic solid electrolyte-containing composition contains an inorganic solid electrolyte, a polymer binder, and a dispersion medium, wherein the polymer binder contains a polymer having: a structural unit (A) derived from a disubstituted vinyl monomer having a homopolymer Tg of lower than 50°C; and at least one structural unit (B) selected from structural units derived from (meth)acrylamide having a homopolymer Tg of 50°C or higher, the total content of the structural unit (A) and the structural unit (B) being 80 mass% or more, and the polymer binder being soluble in the dispersion medium.
Resumen de: WO2026048484A1
A nonaqueous electrolyte power storage element according to an aspect of the present invention comprises: a positive electrode containing a lithium transition metal composite oxide; a negative electrode containing metallic lithium at least in a charged state; and a nonaqueous electrolyte containing an electrolyte salt and a fluorinated solvent, wherein the nonaqueous electrolyte contains or does not contain an ionic liquid, and the fluorinated solvent is at least one selected from the group consisting of fluorinated cyclic ethers and fluorinated chain diethers.
Resumen de: WO2026048510A1
A battery (10) comprises: an electrode body (14); an external can (20) that accommodates the electrode body (14); and a sealing body (19) that seals an opening positioned at an axial end of the external can (20), with a gasket (24) therebetween. The sealing body (19) has a rupture plate (22) and a plate member (21). The plate member (21) has an internal terminal part (41) which is electrically connected to a positive electrode (11) of the electrode body (14) and an insulation part (42) which is positioned at an outer edge side of the internal terminal part (41) and which is opposite from the rupture plate (22) in the axial direction. The rupture plate (22) and the internal terminal part (41) are joined by a joining part (43). The electrical connection between the rupture plate (22) and the internal terminal part (41) at the joining part (43) is cut off along with an increase in internal pressure.
Resumen de: WO2026048500A1
The present invention is provided with a positive electrode containing an organic sulfur-based compound and a non-aqueous electrolyte containing an electrolyte salt and a liquid component. The liquid component contains a fluorinated cyclic ether. The content of the fluorinated cyclic ether in the liquid component is more than 30% by volume.
Resumen de: WO2026045504A1
A dehumidification control method and apparatus for an energy storage cabinet, and an electronic device and a storage medium. The method comprises: establishing a system model of an energy storage cabinet (S101); on the basis of preset airflow requirement parameters, and dehumidification parameters of a dehumidifier, performing simulation on the mounting position of the dehumidifier in the energy storage cabinet, so as to determine a target mounting position of the dehumidifier (S102); mounting the dehumidifier at the target mounting position (S103); mounting temperature and humidity sensors in preset sensor areas and at the target mounting position, and measuring the temperature and humidity (S104); and on the basis of the measured temperature and humidity, and parameters of a psychrometric chart under the standard atmospheric pressure, controlling the dehumidifier to operate (S105).
Resumen de: WO2026045497A1
The present invention relates to battery-safety-related fields. Disclosed is a mobile energy storage device battery service life early-warning platform based on battery thermal runaway analysis. The platform comprises: a battery thermal runaway parameter set generation module, which is used for retrieving historical battery thermal runaway logs and generating a battery thermal runaway parameter set; a device battery operation parameter acquisition module, which is used for performing real-time monitoring and acquiring device battery operation parameters; a parameter comparison module, which is used for performing comparison and generating a parameter comparison result; a battery service life early-warning model construction module, which is used for constructing a battery service life early-warning model; an early-warning signal output module, which is used for acquiring battery state parameters and outputting an early-warning signal; and a smart alarm module, which is used for activating an alarm apparatus and connecting to a remote terminal to raise an alarm. The technical problem of the relatively low accuracy of prediction results in existing mobile energy storage device battery service life early-warning is solved, and the technical effects of improving the accuracy and reliability of early warning and providing a strong assurance for the safe operation of mobile energy storage devices are achieved.
Resumen de: WO2026045405A1
The present application discloses an electrochemical apparatus and an electronic device. The electrochemical apparatus comprises a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative electrode active material, and the negative electrode active material comprises a silicon-based material. On the basis of the mass of the negative electrode active material, the mass percentage content of a silicon element in the silicon-based material is Z1%, wherein 0.1
Resumen de: US20260061863A1
An industrial battery design for use in a material handling vehicle. The battery includes a battery cell, a heater to provide heat to the battery cell, a temperature sensor to monitor a temperature of the battery cell, a first switching device through which power for the heater is routed, a second switching device through which power for the heater is not routed, and a controller. The controller includes circuitry configured to receive temperature data indicative of the temperature of the battery cell from the temperature sensor and to open the first switching device without opening the second switching device based on the temperature data received from the temperature sensor.
Resumen de: US20260061816A1
An electric vehicle battery automatic disconnection system using temperature detection including a battery part configured to provide power to an electric vehicle, a sensor part configured to measure a temperature of the battery part and detect smoke, a connector part configured to charge the battery part, a casing part having an inner space for housing the battery part, and an electronic coupling part configured to couple the casing part to a lower part of the electric vehicle, in which the electronic coupling part is further configured to disconnect the casing part from the lower part of the electric vehicle when the temperature detected by the sensor part exceeds a predetermined threshold or when smoke is detected.
Resumen de: US20260061234A1
A battery structure includes a plurality of battery packs, and a fluid storage part disposed at one side of the plurality of battery packs and configured to store an electrically insulative fire extinguishing fluid. Each of the plurality of battery packs includes a plurality of battery cells including electrodes and separators, a casing part defining an internal space configured to accommodate the battery cells, and a piping line connected to one end to the casing part and at another end to the fluid storage part, the piping line having a flow path configured to deliver the fire extinguishing fluid to the casing part.
Resumen de: US20260061238A1
The present disclosure relates to a fire extinguishing agent spraying apparatus and method for a battery module and a spraying unit for the spraying apparatus. The apparatus includes a spraying unit including a spraying tube configured to supply a fire extinguishing agent through an internal passage into a battery module, and a plug configured to block the internal passage and to separate from the spraying tube by an external force. A fire extinguishing agent supply unit is connected to the spraying tube through an agent supply pipe, with the fire extinguishing agent supply unit being configured to supply the fire extinguishing agent to the spraying tube such that the fire extinguishing agent pushes the plug out of the spraying tube and is sprayed into the battery module.
Resumen de: US20260062380A1
Provided is a method of preparing a benzenesulfonyl compound by reacting a compound represented by the following Chemical Formula,and an n-hydric alcohol in the presence of a phase transfer catalyst and an alkali metal hydroxide, whereinR1 to R5 are independently of one another hydrogen, a halogen, C1-C7 alkoxy, or C1-C7 alkyl;X is a residue derived from the n-hydric alcohol;n is an integer of 1 to 4; andY is a halogen. The method has an excellent reaction speed even under mild reaction conditions and may produce the benzenesulfonyl compound in a high yield.
Resumen de: WO2026049720A1
A cylindrical battery having a wound jelly roll configuration that includes an anode current collector having a first surface and an opposing second surface; at least one anode disposed on the first surface of the anode current collector; at least one Li metal film disposed on the first surface anode current collector, wherein the at least one Li metal film is spaced apart from the anode; a cathode current collector having a first surface and an opposing second surface; at least one cathode disposed on the first surface of the cathode current collector; and a first membrane separator positioned between the anode and the cathode.
Resumen de: WO2026049459A1
An electrode for a lithium secondary battery according to embodiments of the present disclosure comprises an electrode plate including lithium metal and a coating layer disposed on at least one surface of the electrode plate and including a fluorinated polyimide-based resin and boron nitride.
Resumen de: WO2026049451A1
The present invention relates to a binder that can be used in a lithium secondary battery, particularly a lithium-sulfur battery, and is prepared by RAFT polymerization, comprises a polyalkyl methacrylate-derived block and a polyacrylic acid-derived block with a thiocarbonyl thio functional group at the center thereof, and comprises an aliphatic functional group at the end thereof. Therefore, electrical conductivity and elution of lithium polysulfide in an electrode using the binder are suppressed.
Resumen de: WO2026050707A1
The present technology provides new and improved Li transition metal orthoborates comprising a sum of metal elements other than Li that is less than one when normalized to the stoichiometry of boron.
Resumen de: WO2026050145A1
In one aspect, the disclosure relates to a method for recovering critical materials, comprising: combining a sample of black mass and a loading solvent, thereby forming a first mixture; heating the first mixture at a pressure of about 150 psi to about 600 psi, thereby forming a treated mixture comprising a solid residue and an aqueous solution; and separating the solid residue from the aqueous solution; wherein the sample of black mass comprises at least one critical material; wherein the loading solvent comprises at least one leaching agent and at least one reducing agent, wherein the reducing agent comprises a biomass feedstock; and wherein the treated mixture comprises at least one critical material. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Resumen de: WO2026048499A1
A method for manufacturing a solid electrolyte sheet comprises a step in which a precursor (20) of a solid electrolyte sheet (40) containing a solid electrolyte powder and a binder is interposed between a pair of clamping members (11), (12), and the precursor (20) is pressed via the clamping members (11), (12). The clamping members (11, 12) each independently have a proof stress (offset method) of 100 MPa or higher as measured in conformance with JIS Z 2241. It is preferable that the clamping members (11, 12) each independently have a total elongation at break of 40% or less as measured in conformance with JIS Z 2241.
Resumen de: WO2026048508A1
A negative electrode (12) in a cylindrical battery according to an embodiment includes, in order from a negative electrode terminal (12e) side: a both-surfaces-exposed part (42) in which both surfaces of a negative electrode core body (40) are exposed; a mixture-layer-formed-on-one-surface part (43) in which the outer surface of the negative electrode core body (40) facing outward in the radial direction of an electrode body (14A) is exposed and a negative electrode mixture layer (41) is formed on the inner surface of the negative electrode core body (40) facing inward in the radial direction; and a mixture-layer-formed-on-both-surfaces part (44) in which the negative electrode mixture layer (41) is formed on both surfaces of the negative electrode core body (40). At least one among a first separator (13x) and a second separator (13y) is wound one or more turns from a position facing a positive electrode terminal (11e) to the winding end side of the electrode body (14A).
Resumen de: WO2026048538A1
A cylindrical battery comprises an electrode body in which a positive electrode (11) that includes a positive electrode core body (41) and a positive electrode mixture layer (42) and a negative electrode that includes a negative electrode core body and a negative electrode mixture layer are wound with a separator therebetween. At the winding start-side end portion of the positive electrode (11), the thickness of the positive electrode mixture layer (42) decreases toward the winding start. When the position at which the thickness of the positive electrode mixture layer (42) begins to decrease in the longitudinal direction of the positive electrode (11) is defined as a reference position (a), a winding inner-side surface length (L1) between the winding inner-side starting end (b1) of the positive electrode mixture layer (42) and the reference position (a) on the winding inner side of the positive electrode (11) is shorter than a winding outer-side surface length (L2) between the winding outer-side starting end (b2) of the positive electrode mixture layer (42) and the reference position (a) on the winding outer side of the positive electrode (11).
Resumen de: WO2026048533A1
This battery comprises: an electrode body (14) in which a long positive electrode (11), having a positive electrode core body (30) and a positive electrode mixture layer (32), and a long negative electrode (12), having a negative electrode core body (40) and a negative electrode mixture layer (42), are wound with a separator therebetween; and an outer can that houses the electrode body (14). In the negative electrode (12), a negative electrode core body exposed portion (41) in which the negative electrode core body (40) is exposed faces a start end (11a) on the winding start side of the positive electrode (11) in the radial direction on the winding inner side. According to the battery of the present disclosure, in the electrode body (14), good circularity is easily maintained around at least one end of the positive electrode (11) in the longitudinal direction of the positive electrode, thereby facilitating suppression of electrode deformation.
Nº publicación: WO2026045409A1 05/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026045409A1
Provided in the embodiments of the present disclosure are a heat exchange assembly, a battery apparatus, an electrical device and an energy storage device. The battery apparatus comprises a box body assembly, a battery cell assembly, and the heat exchange assembly. The box body assembly is internally provided with a first accommodating cavity, the battery cell assembly being arranged in the first accommodating cavity. The heat exchange assembly comprises a heat exchange layer and a first thermal insulation layer, the heat exchange layer being a flexible structure and being configured to be in heat exchange cooperation with the battery cell assembly. The first thermal insulation layer is arranged between the box body assembly and the side of the heat exchange layer facing away from the battery cell assembly. The battery apparatus provided by the embodiments of the present disclosure is beneficial to improving the degree of fit between the heat exchange assembly and the box body assembly and/or the battery cell assembly, thereby improving the heat exchange efficiency and heat exchange effect of the heat exchange assembly. In addition, the provision of the first thermal insulation layer between the box body assembly and the side of the heat exchange layer facing away from the battery cell assembly can thermally insulate the battery cell assembly, thereby solving the problem of low peripheral temperature of the battery cell assembly, and improving the thermal management performan
BOPI
Sede Electrónica
