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1374
resultados
Última actualización
05/11/2025 [07:25:00]
Resultados 350 a 375 de 1374
Resumen de: WO2025223113A1
The present application relates to a battery, an electric device and a manufacturing process for a thermal management component. The battery comprises a case, battery cells and a thermal management component, wherein the battery cells are disposed in the case; and the thermal management component is disposed in the case and is configured to accommodate a heat exchange medium to regulate the temperatures of the battery cells. The thermal management component comprises: a heat exchange tube, which has a heat exchange flow channel, wherein an end of the heat exchange tube serves as a port of the heat exchange flow channel; a current collector, which is fitted to the end of the heat exchange tube and is in communication with the port; and an adapter, which is connected between the heat exchange tube and the current collector and is configured to connect to the current collector and the heat exchange tube in a sealing manner. In the present application, the adapter is disposed between the heat exchange tube and the current collector, and connection and fixation between the heat exchange tube and the current collector are realized by means of the adapter. The adapter is connected between the current collector and the heat exchange tube in a sealing manner, such that the current collector and the heat exchange tube are fitted more tightly, and the heat exchange tube and the adapter are connected stably, thereby improving the stability of connection between the heat exchange tube and
Resumen de: WO2025223153A1
The present application relates to the technical field of battery packs. Provided is a power battery pack. The power battery pack comprises: a plurality of battery cell groups, wherein each battery cell group comprises a plurality of battery cells, which are sequentially arranged in the planar direction of each battery cell, and the battery cell groups are sequentially arranged in the direction of the thickness of each battery cell; and a plurality of liquid cooling plates, which extend in the extension direction of the battery cell groups, wherein each liquid cooling plate corresponds to at least one battery cell group; each liquid cooling plate comprises a side plate portion and a bottom plate portion that are connected to each other; each side plate portion fits with a side surface of the corresponding battery cell group, and each bottom plate portion fits with a bottom end face of the corresponding battery cell group; and each side plate portion at least serves as a cooling portion, and each bottom plate portion at least serves as a heating portion. The power battery pack of the present application has strong temperature regulation capability and good fast-charging performance, and is easy to disassemble.
Resumen de: WO2025222918A1
A battery thermal energy early warning control method, a system (1) and a new energy vehicle. The control method comprises: 1) setting a feedback current matrix of a battery module (2); 2) controlling charging and discharging of the battery module (2) on the basis of the feedback current matrix, and performing temperature control on a battery pack on the basis of the ambient temperature; 3) during the process of step 2), training and updating an SOC curve local model, fitting an SOC curve, when the SOC curve converges, determining that a battery is normal, and when the SOC curve diverges, determining that the battery is abnormal and sending out a first early warning signal; meanwhile, monitoring the temperature rise of the battery module (2), when the temperature rise speed is less than a third preset value, determining that the battery is normal, and when the temperature rise speed is greater than or equal to the third preset value, determining that the battery is abnormal and sending out a second early warning signal; when the first early warning signal and the second early warning signal are both valid, stopping charging and discharging, and sending out a fault early warning; and 4) during the process of step 2), if a working state exceeds a safety protection range, sending out a fault early warning, and initiating fire extinguishing and explosion prevention measures.
Resumen de: WO2025225804A1
The present invention relates to a battery module with improved manufacturing efficiency, and a battery pack and a vehicle comprising the batter module, the battery module comprising: a plurality of battery cells; and a plurality of module frames, each accommodating the plurality of battery cells, and provided as standardized frames that can be coupled to each other.
Resumen de: WO2025225798A1
The present invention relates to a negative electrode for an all solid-state battery and an all solid-state battery including same, wherein the negative electrode for an all solid-state battery comprises a negative electrode coating layer that comprises a mixture of metal particles and a carbon-based material and that has a first peak appearing at a binding energy of 160eV-162eV and a second peak appearing at a binding energy of 163eV-165eV, in the S2p spectrum, when measured using X-ray photoelectron spectroscopy (XPS), the ratio of the second peak to the first peak being 3-12.
Resumen de: WO2025225901A1
A battery module according to one embodiment of the present invention comprises: a battery cell stack formed from plurality of stacked battery cells; a module case which includes an upper plate disposed above the battery cell stack, and which is for accommodating the battery cell stack; and an aerogel layer disposed between the upper plate and the battery cell stack. The battery module according to one embodiment of the present invention can delay thermal propagation, and can prevent a back flame going from the inside of the battery module to a cell.
Resumen de: WO2025226431A1
A process that includes (A) contacting a mass with a liquid ammonium system comprising an ammonia source, to form a combination, wherein the mass was formed from at least lithium-ion batteries and comprises one or more metal-containing compounds, wherein the metal is selected from lithium, cobalt, nickel, iron, and/or aluminum; (B) separating an alkaline leachate from the combination; (C) infusing one or more oxidizing agents into the alkaline leachate; (D) adjusting the pH of the alkaline leachate to enhance formation of a precipitate comprising one or more metal-containing compounds, wherein the metal is selected from lithium, cobalt, nickel, iron, and/or aluminum; and (E) infusing one or more of carbon dioxide, sodium carbonate, sodium bicarbonate, lithium carbonate, and lithium bicarbonate into the alkaline leachate to enhance formation of an additional precipitate comprising one or more metal-containing compounds, wherein the metal is selected from cobalt, nickel, iron, and/or aluminum.
Resumen de: WO2025225785A1
The present invention relates to an all-solid-state battery and, more particularly, to a all-solid-state battery comprising a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, wherein the negative electrode layer comprises: a negative electrode current collector; a negative electrode coating layer disposed on the negative electrode current collector and including a first metal and a first carbon; and a lithium-deposited buffer layer disposed between the negative electrode current collector and the negative electrode coating layer and including a second metal and a second carbon, wherein the Gibbs free energy of the chemical reaction between the first metal and molten lithium at 250°C is △G1, and the Gibbs free energy of the chemical reaction between the second metal and molten lithium at 250°C is △G2, wherein △G2 is greater than △G1.
Resumen de: WO2025223002A1
The present application discloses a charger. The charger comprises: a main body provided with a first contact-type charging structure; and a pin module comprising a fitting body and pins, the pins passing through the fitting body. The fitting body is provided with a second contact-type charging structure, and the first contact-type charging structure is fitted with the second contact-type charging structure in different directions to adjust fitting forms of the pin module and the main body. When the pin module and the main body are in a first fitting form, the pins are arranged in parallel to a first direction; when the pin module and the main body are in a second fitting form, the pins are arranged perpendicular to the first direction; and the first direction includes the length direction, width direction or height direction of the main body. According to the present application, the main body is provided with the first contact-type charging structure, and the pin module is provided with the second contact-type charging structure; and the first contact-type charging structure is fitted with the second contact-type charging structure in the different directions, so that the pin module changes its direction by at least 90 degrees, thereby adapting to sockets in different application scenarios.
Resumen de: WO2025222862A1
A battery device (100) and an electric device (1000). The battery device (100) comprises: a case (10); a battery cell assembly (20), accommodated in the case (10); and a heat exchange assembly (30), accommodated in the case (10), wherein the heat exchange assembly (30) comprises a heat exchange body (31) comprising a plurality of heat exchange flow channels (301), and a flow collecting structure (32), wherein the flow collecting structure (32) comprises a blocking member (321), a flow collecting member (322) and an adapter member (323), the blocking member (321) implements blocking in at least one heat exchange flow channel (301), the adapter member (323) is formed on the heat exchange body (31), notches (323a) are formed in the peripheral wall of the adapter member (323), the flow collecting member (322) is provided with a flow collecting cavity (3221), the flow collecting member (322) is in sealing fit with and connected to the heat exchange body (31) by means of the adapter member (323), and the flow collecting member (322) is provided with a communicating opening (322a) communicated with the flow collecting cavity (3221).
Resumen de: WO2025223024A1
The present application discloses a non-aqueous electrolyte, a lithium-ion battery, and an electronic device. The non-aqueous electrolyte comprises a non-aqueous solvent and a lithium salt. The non-aqueous electrolyte contains a specific amount of lithium difluorophosphate, propyl propionate, 1,2,3-tris(2-cyanoethoxy)propane, and boron-containing lithium salt. The total content of the lithium difluorophosphate and 1,2,3-tris(2-cyanoethoxy)propane in the non-aqueous electrolyte is set to a specific range, and the total content of the propyl propionate and boron-containing lithium salt is set to a specific range. The use of the non-aqueous electrolyte can not only improve the initial efficiency of lithium-ion batteries, but also inhibit the increase in resistance, and significantly improve the low-temperature output performance and high-temperature storage performance of lithium-ion batteries.
Resumen de: WO2025225783A1
The present invention relates to an all-solid-state battery, more specifically to an all-solid-state battery comprising: a negative electrode layer; a first solid electrolyte layer on the negative electrode layer; a second solid electrolyte layer on the first solid electrolyte layer; and a positive electrode layer on the second solid electrolyte layer. Each of the first and second solid electrolyte layers contains an argyrodite-based compound and a nano-compound, the nano-compound comprising a composite of lithium-sulfur and lithium salt, and the nano-compound content in the first solid electrolyte layer being greater than the nano-compound content in the second solid electrolyte layer.
Resumen de: WO2025225782A1
The present invention relates to a negative electrode for a lithium metal battery and a lithium metal battery comprising same, the negative electrode, more specifically, comprising: a negative electrode current collector comprising titanium or an alloy thereof; an oxide layer on the negative electrode current collector, the oxide layer comprising crystalline titanium oxide; and a polymer coating layer on the oxide layer. The polymer coating layer comprises a polymer having a trifluoromethanesulfonylimide (TFSI) functional group.
Resumen de: WO2025226125A1
A battery control device according to an embodiment of the present invention is located in a battery system including a plurality of batteries, and may include: at least one processor; and a memory that stores at least one command executed through the at least one processor. The at least one command may comprise: a command for monitoring the voltage of each of the batteries in a process in which the batteries are connected in parallel to a DC link and charged; a command for sequentially dropping, from the DC link, batteries that have reached a predefined target voltage; and a command for stopping a charging process in a state in which the N batteries are connected to the DC link when only N preset batteries remain connected to the DC link.
Resumen de: WO2025226065A1
A positive electrode for lithium-sulfur batteries according to the present invention includes predetermined contents of polyacrylic acid, polyacrylamide, carboxymethyl cellulose, and styrene-butadiene rubber as binder polymers. The positive electrode for lithium-sulfur batteries has excellent adhesion between a positive electrode active material layer and a positive electrode current collector, and can ensure sufficient output performance when applied to lithium-sulfur batteries.
Resumen de: WO2025226061A1
Disclosed are a quenching solution, a method for manufacturing a surface-stabilized Li-rich manganese-based positive electrode material, and a secondary battery. The quenching solution contains a solvent, a lithium hydroxide or lithium salt, a reducing agent, and a phosphate, and the Li-rich manganese-based positive electrode material is treated by a quenching method in the quenching solution, thereby improving the initial coulombic efficiency and cyclic stability of the battery and alleviating voltage decay.
Resumen de: WO2025222892A1
A battery pack temperature rise control method, apparatus and device, and a readable storage medium, relating to the field of batteries. The method comprises: acquiring preset connector acting force limit value ranges corresponding to a target battery pack in different charging modes, each preset connector acting force limit value range being used for representing a correspondence relationship between a contact resistance limit value range of a connector interface and a temperature limit value range of a non-battery cell part in the battery pack in a corresponding charging mode; and, on the basis of the preset connector acting force limit value range in each charging mode, performing parameter control on a target connector interface of the target battery pack, such that a maximum contact resistance value of the target connector interface in each different charging mode is within the contact resistance limit value range corresponding to the preset connector acting force limit value range, thus achieving temperature rise control over the non-battery cell part in the battery pack. The present application can control temperature rise results of non-battery cell parts in battery packs to be within normal temperature limit value ranges in advance, so as to avoid abnormal temperature rise, thereby reducing the aging speed and safety risks of batteries.
Resumen de: WO2025222996A1
A battery cover plate assembly, a combined battery, and a power battery pack. The battery cover plate assembly is used for being arranged between end faces of two housings. A battery cell is arranged in each housing, and the housing is provided with a positive tab and a negative tab. The battery cover plate assembly comprises a cover plate main body, a conductive post, and an insulating injection-molded body. The cover plate main body is used for being fixedly and sealingly connected to the two housings and is provided with a through hole allowing for an injection molding material to flow through. The conductive post passes through the through hole. The insulating injection-molded body is mutually embedded with the cover plate main body and the conductive post by means of the through hole so that the cover plate main body and the conductive post are insulated from each other. The insulating injection-molded body is capable of being inserted into the end face of each housing. Two ends of the conductive post protrude from the insulating injection-molded body and are in conductive contact with the positive tab of one of the two housings and the negative tab of the other of the two housings, respectively.
Resumen de: WO2025222968A1
The present application relates to a positive electrode active material, a positive electrode sheet, a cylindrical battery cell, a battery, and an electric device. The positive electrode active material comprises a core portion and a coating layer; the core portion comprises a lithium-containing transition metal oxide; the coating layer covers at least a portion of the surface of the core portion; and the coating layer comprises a polymer, including one or more of a fluoropolymer and an oxygen-containing polymer. In the embodiments of the present application, when applied to a battery, the positive electrode active material can reduce the swelling degree of the battery, and can improve the cycle performance of the battery.
Resumen de: WO2025225694A1
Provided is a solid electrolyte sheet comprising a wet-laid nonwoven fabric containing synthetic fibers and a solid electrolyte. The wet-laid nonwoven fabric includes at least a flat first short fiber in which a ratio a/b of the length of a long axis a and the length of a short axis b of a cross section is 5 or more. In a cross section in the thickness direction of the solid electrolyte sheet, a ratio d/c of an area c of a solid part composed of fibers constituting the wet-laid nonwoven fabric and a solid electrolyte and an area d of a void part is 0 to 0.1. A ratio e/f of an area e of fibers constituting the nonwoven fabric in the solid part and an area f of the solid electrolyte f is 0.05 to 0.5.
Resumen de: WO2025225640A1
A battery 1000 according to the present disclosure conforms with at least one configuration that is selected from the group consisting of (I) and (II) described below. (I) At least one layer that is selected from the group consisting of a first electrode layer 100, a second electrode layer 200, and a solid electrolyte layer 300 contains a solid electrolyte that contains a halogenated oxide. (II) The battery 1000 additionally comprises a side surface layer which contains a solid electrolyte that contains a halogenated oxide, and which is disposed on a side surface of at least one layer that is selected from the group consisting of the first electrode layer 100, the second electrode layer 200, and the solid electrolyte layer 300. The halogenated oxide includes at least one substance that is selected from the group consisting of a halogenated oxide A which is composed of Li, M1, X1, and O, and a halogenated oxide B which is composed of Li, M2, X2, and O. M1 represents at least one element that is selected from the group consisting of trivalent metal elements and trivalent metalloid elements, and M2 represents at least one element that is selected from the group consisting of tetravalent metal elements and tetravalent metalloid elements. X1 and X2 each represent at least one element that is selected from the group consisting of F, Cl, Br, and I.
Resumen de: WO2025226097A1
A battery assembly according to an embodiment of the present invention comprises: a plurality of battery cells; and a cell frame in which the battery cells are accommodated. A cooling flow path through which refrigerant flows in direct contact with at least some of the battery cells is provided inside the cell frame. The cooling flow path includes a plurality of cooling flow paths disposed along the longitudinal direction of the battery cells in which the battery cells extend. The flow direction of the refrigerant in any one of the plurality of cooling flow paths and that of the refrigerant in another one of the plurality of cooling flow paths are opposite to each other.
Resumen de: WO2025225989A1
A battery cell assembly relating to one embodiment of the present invention may comprise: a plurality of battery cells; a housing including an accommodation part in which the plurality of battery cells is accommodated; and at least one fixing member which is provided to cover at least a partial area of the outer surface of each of the plurality of battery cells so as to fix the battery cell to the inside of the accommodation part, and which has a battery cell exposure hole to allow a part of the battery cell to be exposed to the outside.
Resumen de: WO2025222827A1
A positive electrode active material, comprising NaxRyPmOn, wherein 3.5≤x≤4.5, 2.5≤y≤3.5, 3.7
Nº publicación: WO2025222812A1 30/10/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CHENGDU JINTANG TIMES NEW MATERIALS TECH CO LTD [CN]
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\u6210\u90FD\u91D1\u5802\u65F6\u4EE3\u65B0\u6750\u6599\u79D1\u6280\u6709\u9650\u516C\u53F8
Resumen de: WO2025222812A1
The present application provides a positive electrode material, a preparation method thereof, a positive electrode sheet, a battery and an electrical apparatus, and relates to the field of batteries. The positive electrode material comprises sodium iron phosphate pyrophosphate and a carbon coating layer covering the surface of same; and the positive electrode material contains an impurity phase sodium ferric phosphate, the mass ratio of the impurity phase sodium ferric phosphate in sodium iron phosphate pyrophosphate being 14% or below. The positive electrode material has a low content of the impurity phase sodium ferric phosphate, such that the initial charging capacity can be effectively improved, and the electrochemical performance of the positive electrode material is effectively improved.
BOPI
Sede Electrónica
