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1532
resultados
Última actualización
18/03/2026 [07:26:00]
Resultados 25 a 50 de 1532
Resumen de: WO2026054175A1
An all-solid-state battery includes a laminate with a positive electrode layer, a solid electrolyte layer, and a negative electrode layer stacked along a first direction. A first external electrode is disposed outside the laminate and connected to the positive electrode layer, while a second external electrode is disposed outside the laminate and connected to the negative electrode layer. A through-hole is located in a central portion of the laminate along the first direction, and the outer circumference of the laminate includes a curved portion when viewed in the first direction.
Resumen de: WO2026054221A1
The present invention relates to a composition for forming a protective film that is capable of protecting the surface of an electrode for a lithium secondary battery so as to prevent the growth of dendrites and improve the lifespan of the battery.
Resumen de: WO2026053618A1
The present invention provides: a heat insulation sheet excellent in heat insulation performance and capable of ensuring excellent heat insulation performance even when cracks occur; a method for manufacturing the same; and a battery pack having the heat insulation sheet. The heat insulation sheet contains inorganic particles and glass fibers. In a fracture test in which a plate-shaped cutting jig is pressed against a test piece (20), which is sampled from the heat insulation sheet and has a length of 50 mm on one side and another side of a main surface and a thickness of 5 mm, in a state of supporting a pair of a first end face (71) and a second end face (72), which face each other, such that the plate-shaped cutting jig is orthogonal to the main surface in a direction parallel to the first end face (71) and the second end face (72), and a load is applied until the test piece (20) fractures, selecting the cross section for which the difference between a first distance X and a second distance Y is a maximum value Z results in the maximum value Z being 4 mm or more.
Resumen de: WO2026053623A1
A secondary battery according to the present invention comprises: a battery element that has a positive electrode layer, a negative electrode layer, and an electrolyte layer which includes a solid electrolyte; and an exterior body that houses the battery element. The exterior body has a sealing part that is sealed so that a space in which the battery element is housed is sealed. The sealing part includes: a first sealing layer that is formed of a first sealing resin; a second sealing layer that is formed of a second sealing resin and that is disposed on the outer side relative to the first sealing layer; and a first trap layer that is provided between the first sealing layer and the second sealing layer and that is configured to trap moisture. The first sealing layer is configured to have a smaller moisture permeation amount than the second sealing layer.
Resumen de: WO2026053595A1
A charger (10) comprises: a voltage detection unit (12) that detects the terminal voltage of a lithium ion battery (20); a current detection unit (13) that detects the charging current going to the lithium ion battery (20); a charge/discharge control unit (11) that controls the charging/discharging of the lithium ion battery; and a communication unit (17) that communicates with a BMS (22) of the lithium ion battery. The communication unit (17) receives, from the BMS (22), information pertaining to the estimated SOC value for the lithium ion battery (20) at the present time and the ratio between the capacities of a positive electrode material and a negative electrode material, and information regarding the positive electrode potential and negative electrode potential achieved when the SOC value is a prescribed value. In the process of charging the lithium ion battery (20), the charge/discharge control unit (11) performs intermittent charging that repeats an operation of charging at a first current value for a first duration and then pausing charging for a second duration longer than the first duration. On the basis of the information received by the communication unit (17) pertaining to the ratio between the capacities of the positive electrode material and the negative electrode material and information regarding the positive electrode potential and negative electrode potential achieved when the SOC value is a prescribed value, the charge/discharge control unit (11) does not
Resumen de: WO2026051453A1
A battery apparatus (100), a vehicle (1000) and an electrical apparatus. The battery apparatus (100) comprises a box body (10), a first cavity (101) being provided in the box body (10); and battery cells (20) accommodated in the first cavity (101), one end of each battery cell (20) in a first direction being connected to the box body (10), and the other end of each battery cell (20) in the first direction being used for supporting the box body (10). Each battery cell (20) comprises a casing (23), an electrode assembly (24), electrode terminals (21) and a first pressure relief structure (22). The electrode terminals (21) and the first pressure relief structure (22) are respectively arranged at two ends of the casing (23) in the first direction. The electrode assembly (24) is arranged in the casing (23), and is connected to the electrode terminals (21). The ends of the battery cells (20) provided with the electrode terminals (21) are used for supporting the box body. The ends of the battery cells (20) having the electrode terminals (21) provide support for the box body (10), so as to improve the bearing capacity of a box cover.
Resumen de: WO2026051457A1
A lithium-ion battery electrolyte and a lithium-ion battery. In order to solve the problem of poor high-temperature performance and normal-temperature cycle performance of a high-voltage NCM system lithium-ion battery, the electrolyte comprises: an organic solvent, a lithium salt, and an additive, wherein the organic solvent comprises a fluorinated carboxylic ester and a carbonate excluding ethylene carbonate, and wherein the additive comprises one or more of an alkynyl carbonate derivative, a dioxane compound, and a cyclic anhydride, and one or more of vinylene carbonate, fluoroethylene carbonate, ethylene sulfate, lithium difluorophosphate, lithium difluoro bis(oxalato) phosphate, and tris(trimethylsilyl) phosphate. The stability of the high-voltage NCM system lithium-ion battery at a high voltage is greatly improved by means of optimizing the combination of a solvent system and an additive, wherein the solvent system has a mixture of a fluorinated carboxylic ester and a carbonate excluding EC, such that the normal-temperature cycle performance, high-temperature cycle performance, high-temperature storage, and other such capabilities of said high-voltage NCM system lithium-ion battery are all improved.
Resumen de: WO2026051406A1
The present invention relates to a hard carbon negative electrode material, a preparation method for a hard carbon negative electrode material, and a sodium-ion battery. The hard carbon negative electrode material has a closed pore volume of 0.01 cm3/g
Resumen de: WO2026054104A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a used lithium ion battery. This method for producing a lithium transition metal composite oxide includes the following steps for: (1) preparing a cathode composite recovered from a used lithium-ion battery; (2) cleaning the lithium transition metal composite oxide in the prepared cathode composite; (3) kneading the cleaned lithium transition metal composite oxide with a lithium compound; (4) calcining the kneaded material under prescribed conditions; and (5) cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054103A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode recovered from a used lithium-ion battery. (2) A step for treating the positive electrode with radicals. (3) A step for removing a collector from the treated positive electrode and recovering a positive electrode mixture. (4) A step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture. (5) A step for washing the recovered lithium transition metal composite oxide. (6) A step for kneading the washed lithium transition metal composite oxide and a lithium compound. (7) A step for calcining the kneaded substance under prescribed conditions. (8) A step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054102A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a spent lithium-ion battery. The method for producing a lithium transition metal composite oxide comprises the following steps. (1) A step for preparing a positive electrode recovered from a spent lithium-ion battery, (2) a step for treating the positive electrode with radicals, (3) a step for removing a current collector and recovering a positive electrode mixture from the treated positive electrode, (4) a step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture, (5) a step for cleaning the recovered lithium transition metal composite oxide, (6) a step for kneading the cleaned lithium transition metal composite oxide and a lithium compound, (7) a step for calcining the kneaded substance under a predetermined condition, and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054101A1
Provided is a method for producing a lithium transition metal composite oxide that uses a positive electrode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode recovered from a used lithium-ion battery, (2) a step for heating the positive electrode in a temperature range exceeding the thermal decomposition start temperature of a binder, (3) a step for removing a current collector from the heated positive electrode and recovering a positive electrode mixture, (4) a step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture, (5) a step for washing the recovered lithium transition metal composite oxide, (6) a step for kneading the washed lithium transition metal composite oxide and a lithium compound, (7) a step for calcining the kneaded material under prescribed conditions, and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026053538A1
This heat transfer device comprises a first adsorbent (31) and a second adsorbent (32). The first adsorbent (31) and the second adsorbent (32) generate heat by adsorption of a medium to be adsorbed, and absorb heat by desorption of the adsorbed medium. The adsorbed medium desorbed from one adsorbent among the first adsorbent (31) and the second adsorbent (32) is adsorbed by the other adsorbent. By heating the first adsorbent (31) from the outside, the adsorbed medium desorbed from the first adsorbent (31) is adsorbed by the second adsorbent (32), and the adsorption heat at such time is extracted as warm heat. By cooling the first adsorbent (31) from the outside, the medium to be adsorbed is adsorbed by the first adsorbent (31), the adsorbed medium is desorbed from the second adsorbent (32), and the desorption heat at such time is extracted as cold heat.
Resumen de: WO2026053422A1
A zinc battery 1 comprises an electrode group 10. The electrode group 10 comprises alternately layered negative electrodes 12 and positive electrodes 14. The negative electrodes 12 include negative electrodes A1-A3 as first through third negative electrodes counted from one end side in the layering direction of the negative electrodes 12 and the positive electrodes 14 of the electrode group 10, and the negative electrodes A1-A3 include negative electrode materials a11, a12, a21, a22, a31, and a32 that contain an active material that includes zinc, the mass of the active material of the negative electrode A2 being greater than the mass of the active material of the negative electrode A3.
Resumen de: WO2026053439A1
Provided is a method for producing a lithium transition metal composite oxide using a cathode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a cathode recovered from a used lithium-ion battery; (2) a step for heating the cathode at a temperature range higher than the melting point of a binder and lower than a thermal decomposition initiation temperature; (3) a step for removing a current collector from the heated cathode and recovering a cathode mixture; (4) a step for recovering a lithium transition metal composite oxide from the recovered cathode mixture; (5) a step for washing the recovered lithium transition metal composite oxide; (6) a step for kneading the washed lithium transition metal composite oxide and a lithium compound; (7) a step for calcining the kneaded material under a predetermined condition; and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026053421A1
The present invention is a control method for an electric vehicle, wherein: a first torque command value is output to a first motor for driving a first drive wheel; a second torque command value is output to a second motor for driving a second drive wheel different from the first drive wheel; and driving is performed by the first motor and the second motor receiving power supply from a battery. In the control method, when the temperature of the battery is lower than a predetermined first threshold temperature, a total torque command value obtained by adding the first torque command value and the second torque command value is output to the first motor, a three-phase short-circuit command for bringing the second motor into a three-phase short-circuit state is output to the second motor, a three-phase short-circuit torque generated in the second motor is estimated on the basis of a rotation state of the second motor, and the total torque command value is corrected on the basis of the three-phase short-circuit torque.
Resumen de: WO2026051345A1
Disclosed are a blade battery and a battery pack having same. The blade battery comprises at least one positive electrode sheet, a plurality of negative electrode sheets, a positive electrode cover plate and a negative electrode cover plate. A first tab and a second tab are respectively provided on two adjacent edges of the positive electrode sheet. The plurality of negative electrode sheets respectively cover two opposite sides of the positive electrode sheet, a third tab and a fourth tab are respectively provided on two adjacent edges of each negative electrode sheet, the positive electrode sheet and the negative electrode sheets are stacked, with the edges thereof flush with each other, the first tab and the third tabs are respectively located on two opposite sides of the blade battery, and the second tab and the fourth tabs are respectively located on two opposite sides of the blade battery. The positive electrode cover plate is located on two adjacent edges of the blade battery, and the positive electrode cover plate is connected to the first tab and the second tab to form a positive electrode. The negative electrode cover plate is located on two adjacent edges of the blade battery, and the negative electrode cover plate is connected to the third tabs and the fourth tabs to form a negative electrode.
Resumen de: WO2026051336A1
Provided are an electrolyte, a battery and an electric device. The electrolyte comprises an organic solvent and a lithium salt. The organic solvent comprises an ionic liquid, a co-solvent and a diluent. The co-solvent comprises an ether solvent. The diluent comprises one or more of the following structural formulas: wherein in structural formula I to structural formula III, R1-R18 are each independently selected from H, F, a C6-C26 fluorine-substituted phenoxy and a C1-C20 fluorine-substituted alkyl; and R1-R8 are not H at the same time, R9-R14 are not H at the same time, and R15-R18 are not H at the same time. A stable negative electrode SEI is generated by using a cyclic fluoroether with a weak coordination capability. The use of the ionic liquid in cooperation with the other components drives a large number of anions to enter an Li+ solvation sheath layer, and the ionic liquid can also participate in the adjustment and control of a solvation structure by means of a series of weak interactions. In the case of the solvation structure being controlled by the ionic liquid, multiple instances of adjustment and control of the interface are completed. The operating temperature of a battery is widened, the cycling life thereof is long, the energy is high and the power density is high, and the high-voltage cycling stability and safety of the battery is also improved.
Resumen de: WO2026051312A1
An electric device. The electric device comprises a battery pack or batteries, the battery pack comprises batteries, each battery comprises battery cells, each battery cell comprises electrode sheets, and each electrode sheet comprises a current collector and a coating layer. The coating layer is provided on the current collector, a thinned region is formed on the coating layer, and the thickness of the thinned region is less than the thickness of other portions of the coating layer.
Resumen de: WO2026054100A1
Provided is a method for producing a lithium transition metal composite oxide employing positive electrodes recovered from used lithium ion batteries. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode recovered from a used lithium ion battery; (2) a step for heating the positive electrode in a temperature range higher than a melting point of a binder and lower than a thermal decomposition start temperature; (3) a step for removing a current collector from the heated positive electrode to recover a positive electrode mixture; (4) a step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture; (5) a step for washing the recovered lithium transition metal composite oxide; (6) a step for kneading the washed lithium transition metal composite oxide with a lithium compound; (7) a step for calcining the kneaded material under predetermined conditions; and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054099A1
Provided is a method for producing a lithium transition metal composite oxide using a cathode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a cathode recovered from a used lithium-ion battery; (2) a step for heating the cathode at a temperature range higher than the thermal decomposition initiation temperature of the binder; (3) a step for removing a current collector from the heated cathode and recovering a cathode mixture; (4) a step for recovering a lithium transition metal composite oxide from the recovered cathode mixture; (5) a step for washing the recovered lithium transition metal composite oxide; (6) a step for kneading the washed lithium transition metal composite oxide and a lithium compound; (7) a step for calcining the kneaded material under a predetermined condition; and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026055258A1
The chip-integrated intelligent battery system (CIBS) device allows an ultra-fast collection of high-fidelity battery data including, but not limited to, battery voltage, current, external and internal temperature, pressure, gaseous species, vibration and mechanical impact, during the cell operation from the moment the cell is manufactured. CIBS is integrated with actuator, microprocessor, data storage, data transmission, current sensor, voltage sensor, gas pressure sensor, gas species sensor, and power source leads, to provide instant feedback on various parameters inside the battery to assess the battery's performance. The data from CIBS is collected via an integrated or a discrete antenna and streamed wirelessly or through a wired system to a separate control device. Such a device can be part of or a discrete component of the battery management system.
Resumen de: WO2026055175A1
Disclosed herein is a semi-solid polymer electrolyte comprising an electrolyte salt, a solvent and a polymer obtained via an in situ ring-opening polymerization of a monomer without any catalyst other than the electrolyte salt. An electrochemical device comprising the electrolyte exhibits an improved cycling performance and fast charging performance.
Resumen de: WO2026052026A1
An electrolyte additive, an electrolyte, a secondary battery, and an electronic apparatus. The electrolyte additive comprises a first component and a second component. The first component is selected from a compound represented by formula I, and the second component is selected from at least one of a compound represented by formula II, a compound represented by formula III, and a compound represented by formula IV. The synergistic effect of the first component and the second component can improve the high-temperature storage performance of the secondary battery and prolong the cycle life thereof.
Nº publicación: WO2026052027A1 12/03/2026
Solicitante:
GUANGZHOU TINCI MATERIALS TECH CO LTD [CN]
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Resumen de: WO2026052027A1
An electrolyte additive, an electrolyte, and a battery. The electrolyte additive comprises a first additive and a second additive. The first additive comprises a compound represented by formula (I). In formula (I), R1 is at least one F-substituted C1-C6 linear alkyl group. The second additive comprises an unsaturated carbonate substance.
BOPI
Sede Electrónica
