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1729
results.
Updated on
19/03/2026 [07:23:00]
Results 525 to 550 of 1729
Absstract of: US20260074321A1
A heat exchange system, a battery, and a control method. The heat exchange system includes a thermal management component, a throttling apparatus, a first temperature sensor, and a pressure sensor. The thermal management component includes a first medium inlet and a medium outlet. The throttling apparatus is communicated with the first medium inlet. The first temperature sensor is configured to detect the temperature of a first heat exchange medium at the medium outlet. The pressure sensor is configured to detect the pressure of the first heat exchange medium at the medium outlet. The throttling apparatus regulates the flow rate entering the first medium inlet in response to the first temperature sensor and the pressure sensor, to make the first heat exchange medium in the thermal management component in a gas-liquid mixed state.
Absstract of: US20260074317A1
A charge-discharge circuit, a method, a computing device, and a control apparatus thereof, where a regulation switch module is connected between a first energy storage element and a second switch module, utilizing an alternating current generated by a charge-discharge loop between a drive motor and a battery to achieve battery self-heating.
Absstract of: US20260074318A1
A battery module may include a plurality of battery cells, and a module case accommodating the plurality of battery cells. In addition, an outer surface of a lower frame of the module case may be formed with a plurality of engraved structures, and the plurality of engraved structures may include a space for accommodating a thermal resin.
Absstract of: US20260074299A1
An electrode precursor composition for an alkali metal ion secondary cell is described. The composition includes a polymer-solvent gel matrix phase and a dispersed phase containing an electrochemically active material. The electrochemically active material has a multimodal particle size distribution having a D150/D250 in the range 2 to 15. The electrode precursor composition can be processed into an electrode for an alkali metal ion secondary cell, for example a lithium ion secondary cell.
Absstract of: US20260074294A1
An apparatus for manufacturing an electrode assembly includes a separator supply unit, table, separator guide, first adhesive supply unit, and pair of tensioners. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting electrodes and sections of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The first adhesive supply unit is configured for applying an adhesive to portions of the separator sheet and the electrodes supported by the table. The pair of tensioners are each configured for pressing an uppermost section of the separator sheet guided by the separator guide against the table or against a placed electrode that directly underlies the uppermost section. The electrode assembly is manufactured by a process using the apparatus.
Absstract of: WO2026054159A1
The present invention relates to a silicon negative electrode material for a lithium-ion secondary battery, manufactured from waste silicon kerf, and may provide: a silicon negative electrode material for a lithium-ion secondary battery, comprising a flake-like silicon composite in which a composite layer comprising an oxide layer and a carbon-containing layer is formed on flake-shaped silicon obtained from waste silicon kerf; and a negative electrode and lithium-ion secondary battery comprising same, wherein the silicon negative electrode material, when formed into a composite with graphite, exhibits excellent packing density and allows more lithium to be charged per unit volume, while also providing superior economic efficiency through the use of waste silicon kerf.
Absstract of: WO2026054137A1
The present invention relates to a silicon negative electrode material for a lithium-ion secondary battery, manufactured from waste silicon kerf, and may provide: a silicon negative electrode material for a lithium-ion secondary battery, comprising a flake-shaped silicon composite in which a composite layer comprising an oxide layer and a carbon-containing layer is formed on flake-shaped silicon obtained from waste silicon kerf; and a negative electrode and a lithium-ion secondary battery comprising same, wherein the silicon negative electrode material, when formed into a composite with graphite, exhibits excellent packing density and allows more lithium to be charged per unit volume, while also providing superior economic efficiency through the use of waste silicon kerf.
Absstract of: WO2026054162A1
The present invention relates to a silicon negative electrode material for a lithium-ion secondary battery, comprising a granular porous silicon composite formed by agglomeration of silicon composite particles, which are flake-shaped silicon composite particles each having a composite layer comprising an oxide layer and a carbon-containing layer formed on flake-shaped silicon obtained from waste silicon kerf. The present invention may provide a silicon negative electrode material for a lithium-ion secondary battery comprising the porous silicon composite, and a negative electrode and lithium-ion secondary battery comprising same, wherein the silicon negative electrode material, when formed into a composite with graphite, exhibits excellent packing density and allows more lithium to be charged per unit volume, while also providing superior economic efficiency through the use of waste silicon kerf.
Absstract of: WO2026054160A1
The present invention relates to a silicon negative electrode material for a lithium-ion secondary battery manufactured from waste silicon kerf, and can provide a silicon negative electrode material for a lithium-ion secondary battery, comprising a plate-like silicon composite in which a composite layer comprising an oxide layer and a carbon-containing layer is formed on plate-like silicon obtained from waste silicon kerf, and a negative electrode and a lithium-ion secondary battery each comprising same, so that the complexation with graphite enables a high packing density and higher lithium loading on an equal-volume basis, and superior economic efficiency can be attained through the use of waste silicon kerf.
Absstract of: 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.
Absstract of: 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.
Absstract of: WO2026052148A1
Provided in the present application are a positive electrode material, a positive electrode sheet, and a secondary battery. The positive electrode material contains an element M, the element M being selected from at least one metal element in groups IA and IIA in the periodic table of elements; the distribution of the element M among particles satisfies: 1.2≤X2/X1≤20, wherein X1 is the concentration of the element M at a central region of the particles and X2 is the concentration of the element M at a surface layer region of the particles; and the surface of the positive electrode material contains nitrate ions, and the amount of nitrate ions is N1, wherein 10 ppm≤N1≤100 ppm. The positive electrode material of the present application has high structural stability and few microcracks, and a stable interface protection layer can be formed on the surface of the positive electrode material, reducing the occurrence of side reactions between an electrolyte and the surface of the positive electrode material, and thereby comprehensively improving the capacity and cycle performance of a battery prepared using the positive electrode material while also improving gas production performance.
Absstract of: WO2026052149A1
Provided in the present application are a positive electrode material, a positive electrode pole piece thereof, and a secondary battery. The positive electrode material comprises a plurality of particles. At least some of the particles have micro-cracks. The size of the micro-cracks is 0.5 nm to 30 nm. The proportion of the number of the particles having micro-cracks in the total number of particles of the positive electrode material is 1.5% to 13%. The method for measuring the proportion comprises: performing a scanning electron microscope test on the positive electrode material to obtain a scanning electron microscope image, selecting 300 positive electrode material particles from the scanning electron microscope image, and counting the number of positive electrode material particles having micro-cracks to obtain the proportion. The positive electrode material or a positive electrode pole piece using the positive electrode material is applied to a secondary battery, which has significantly reduced gas generation behavior and a relatively high capacity, which can facilitate the improvement of the cycle stability and safety of the secondary battery.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: WO2026052154A1
The present application relates to a negative electrode material. The negative electrode material comprises an inner core and a coating layer located on at least part of the surface of the inner core; the inner core comprises a carbon matrix and a silicon material, and at least part of the silicon material is located in the carbon matrix; and the mass content of the coating layer in the negative electrode material is A% and the powder conductivity of the negative electrode material at 20 kN is ρ S/cm, wherein 4≤A*ρ≤30. In the negative electrode material of the present application, the product relationship between the mass content of the coating layer and the powder conductivity of the negative electrode material is controlled to be within a certain range, thus achieving a balance between the thickness of the coating layer and the powder conductivity, and reducing the occurrence of powder conductivity decrease caused by excessive coating layer thickness, such that the negative electrode material can have good powder conductivity while maintaining the advantage, brought about by the coating layer, of a reduction in side reactions.
Absstract of: WO2026052147A1
A cleaning device, comprising a fan assembly (300) and a cover plate apparatus (400). The fan assembly (300) comprises a main housing (350); an accommodating cavity (380b) used for accommodating a filter member (800) is formed within the main housing (350), one end of the main housing (350) along a first direction has an opening (380c), first through holes (380a) are formed on a side wall of the main housing (350), the opening (380c) and the first through holes (380a) are in communication with the accommodating cavity (380b), and the first direction is parallel to the axial direction of the fan assembly (300). The cover plate apparatus (400) is movably mounted on the main housing (350) such that the cover plate apparatus (400) has a first state for covering the opening (380c) or a second state for opening the opening (380c), and when the cover plate apparatus (400) is in the second state, the filter member (800) can be loaded into or removed from the accommodating cavity (380b) through the opening (380c). The cover plate apparatus (400) comprises a cover plate (410) and a display component (900), the display component (900) being mounted on the side of the cover plate (410) facing away from the accommodating cavity (380b) along the first direction.
Absstract of: WO2026052145A1
A cleaning apparatus comprising a fan assembly (300), a power supply assembly (600) and a handle (500), wherein a first air channel (500c) is formed inside the handle (500), and the first air channel (500) is configured to communicate the fan assembly (300) with the power supply assembly (600), such that an airflow flows from an accommodating cavity (380b) into an inner cavity of a battery compartment (620); and the fan assembly (300) has a filter member (800) for filtering the airflow that enters the first air channel (500c).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Nº publicación: WO2026052144A1 12/03/2026
Applicant:
JIANGSU MIDEA CLEANING APPLIANCES CO LTD [CN]
MIDEA GROUP CO LTD [CN]
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\u7F8E\u7684\u96C6\u56E2\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Absstract of: WO2026052144A1
A cleaning apparatus comprising a fan assembly (300), a handle (500) and a support member (510), wherein the fan assembly (300) comprises a main housing (350) and an electric motor (360), the electric motor (360) being located in the main housing (350); the handle (500) is connected to the lower side of the fan assembly (300); the support member (510) is connected to the lower side of the fan assembly (300) and is spaced apart from the handle (500); and the connection between the handle (500) and the fan assembly (300) is located at the axial front end of the electric motor (360), and the connection between the support member (510) and the fan assembly (300) is located at the axial rear end of the electric motor (360).
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