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1532
results.
Updated on
18/03/2026 [07:26:00]
Results 100 to 125 of 1532
Absstract of: WO2026054396A1
A battery module according to one embodiment of the present invention comprises: a plurality of battery cells; a module case configured to accommodate the battery cells; a top cover configured to cover an upper portion of the module case; end plates provided at both ends of the module case in the longitudinal direction; and an isolation cover interposed between the battery cells and the end plates and configured to be structurally coupled to the end plates.
Absstract of: WO2026051486A1
A battery device (100), an electric device, and a vehicle (1000). The battery device (100) comprises: battery cells (10); an electrical structure (50); a case (20), wherein the case (20) is internally provided with a first accommodating cavity (201) and a second accommodating cavity (202), and at least part of the second accommodating cavity (202) is located above the first accommodating cavity (201) in the direction of gravity; and a one-way valve (30) provided on the case (20), wherein one end of the one-way valve (30) faces the first accommodating cavity (201), the other end of the one-way valve (30) faces the second accommodating cavity (202), and the one-way valve (30) is configured to allow a fluid in the second accommodating cavity (202) to enter the first accommodating cavity (201). The fluid in the second accommodating cavity (202) is discharged to the first accommodating cavity (201) by means of the one-way valve (30), thereby reducing damage to the electrical structure (50) caused by the fluid leaked from a liquid-cooled structure, and reducing damage to the electrical structure (50) caused by high-temperature and high-pressure fumes and gases generated by thermal runaway of the battery cells (10).
Absstract of: WO2026051484A1
The present application applies to the technical field of power battery devices. Provided are a battery device (100), an electric device (1000), and a vehicle. The battery device comprises: battery cells (10); an electrical structure (40); a case (20), wherein a first accommodating cavity (201) and a second accommodating cavity (202) are provided inside the case; and a one-way valve (30) connected to the case, wherein one end of the one-way valve faces the second accommodating cavity, and the other end of the one-way valve faces the space outside the case; the one-way valve is configured to allow fluid in the second accommodating cavity to be discharged to the space outside the case, and the one-way valve is also used to prevent substances in the space outside the case from entering the second accommodating cavity. In the battery device provided in the embodiments of the present application, the provision of the one-way valve enables fluid in the second accommodating cavity to be directly discharged to the outside of the case; in addition, the one-way valve can also prevent impurities outside the case from entering the second accommodating cavity, thereby reducing damage to the electrical structure caused by external impurities.
Absstract of: WO2026051476A1
Provided in the present application are a positive electrode active material, and a preparation method therefor and the use thereof. The positive electrode active material comprises an LiMnxFe1-xPO4 inner core and a carbon coating layer covering at least part of the surface of the inner core, wherein 0≤x<1. The compaction density of the positive electrode active material is not lower than 2.28 g/cm3; and the impedance of the positive electrode active material is not higher than 1,500 Ω. The compaction density and impedance of the positive electrode active material provided in the present application are defined, such that the positive electrode active material has a relatively high compaction density and good rate capability; and when the positive electrode active material is applied to a lithium-ion battery, the specific capacity, energy density and rate capability of the lithium-ion battery can be improved.
Absstract of: WO2026054828A2
A method includes charging a battery of a vehicle to a charge threshold voltage. The method also includes discharging the battery from the charge threshold voltage to a post-task voltage by performing a travel task using the vehicle. The method additionally includes determining that a battery calibration condition has been met. The method further includes, based on determining that the battery calibration condition has been met, discharging the battery from the post-task voltage to a discharge threshold voltage by performing a battery discharge task. The method yet further includes determining a capacity of the battery based on a first electrical output of the battery during the travel task and a second electrical output of the battery during the battery discharge task.
Absstract of: WO2026052143A1
A dust cup device (200) and a cleaning apparatus. The dust cup device (200) comprises a dust cup (210), a cylindrical lid (230), a partition plate (243) and a separation assembly (240), wherein the dust cup (200) is provided with an air outlet (210b) in one axial end; the cylindrical lid (230) covers the axial end of the dust cup (210) away from the air outlet (210b); the partition plate (243) is located in the dust cup (210) and is connected to the cylindrical wall of the dust cup (210), and the partition plate (243) is provided with a third through hole (243a) in communication with the air outlet (210b); and the separation assembly (240) is located inside the dust cup (210) and is arranged between the cylindrical lid (230) and the partition plate (243).
Absstract of: WO2026054298A1
Provided are: a negative electrode; a lithium metal battery including the negative electrode; and a method for manufacturing the negative electrode. The negative electrode includes a modified porous carbon structure, wherein, in X-ray photoelectron spectroscopy (XPS) of the surface of the modified porous carbon structure, the energy position at which the intensity of a peak attributed to lithium (Li) atoms is greatest is 45-65 eV.
Absstract of: WO2026054255A1
The present invention relates to a silicon-based anode active material capable of improving the charging rate and lifespan characteristics of a lithium secondary battery, and an anode and a lithium ion battery comprising same. The silicon-based anode active material for a lithium secondary battery, according to the present invention, comprises: a silicon-based material in a powder form; and iodine adsorbed on the silicon-based material. Iodine included in a silicon-based anode active material allows an iodine-based solid electrolyte interphase (SEI) to be formed on the surface of the anode so as to stabilize interface properties of the SEI.
Absstract of: WO2026054247A1
The present invention relates to a solid electrolyte for an all-solid-state battery and an all-solid-state battery comprising same. The solid electrolyte for an all-solid-state battery, according to one embodiment of the present invention, is composed of an oxide material containing Li, Mg, Zn, P, and Cl.
Absstract of: WO2026054161A1
The present invention relates to a silicon anode material for a lithium-ion secondary battery, comprising a granular porous silicon composite formed by the agglomeration of silicon composites, wherein the silicon composite is a flake-shaped silicon composite in which a composite layer, which comprises an oxide layer and a carbon-containing layer, is formed on flake-shaped silicon obtained from waste silicon kerf. A silicon anode material for a lithium-ion secondary battery, comprising the porous silicon composite, and an anode and a lithium-ion secondary battery, which comprise same, can be provided. If composited with graphite, the silicon anode material exhibits excellent packing density, allows more lithium to be charged per unit volume, and uses waste silicon kerf so as to have superior economic feasibility.
Absstract of: WO2026054267A1
A foreign substance sensing device according to one embodiment of the present invention comprises: a pipe along which a fluid passes; electrodes disposed to surround the pipe; and a foreign substance detection sensor that senses, by means of the electrodes, a change in capacitance caused by foreign substances in the fluid passing along the pipe. As the electrodes, a positive electrode and a negative electrode may be alternately disposed along the circumference of the pipe.
Absstract of: WO2026051308A1
The present application relates to the technical field of batteries, and provides a battery cell, a manufacturing method, a manufacturing device, a battery apparatus, and an electric apparatus. The present application provides a battery cell. The battery cell comprises an electrode assembly, support spacers, and electrode terminals. The electrode assembly comprises a plurality of first tabs stacked in a first direction. The support spacers are stacked with the plurality of first tabs in the first direction, and the support spacers are connected to the plurality of first tabs by means of a first welding portion. The electrode terminals are connected to the plurality of first tabs and the support spacers by means of a second welding portion, wherein the projections of the first welding portion and the second welding portion on a plane perpendicular to the first direction at least partially overlap. In this way, the connection reliability of the tabs and the connection terminals can be improved, and the presence of the support spacers can provide support for the first tabs and improve the current-carrying capacity of the first tabs, thereby increasing the energy density of the battery.
Absstract of: WO2026051282A1
The present application relates to a cyclic aging test method, apparatus and system for a battery module, and to the technical field of energy storage tests. The method comprises: in a cyclic aging test, successively performing a charging operation and a discharging operation on a battery module; and, at the end of the discharging operation on the battery module, separately performing discharging operations on battery cells in the battery module. Using the solution of the present embodiment can reduce the test duration of cyclic aging, allowing for cyclic aging tests of short test duration for battery modules.
Absstract of: WO2026051309A1
The present application provides a positive electrode sheet and a preparation method therefor, and a battery. The positive electrode sheet comprises a positive electrode current collector, a first positive electrode active coating and a second positive electrode active coating, wherein in the first positive electrode active coating, the mass ratio of a first lithium manganese iron phosphate active material to a nickel cobalt manganese ternary active material is 80-90:8-15; and the second positive electrode active coating comprises a second lithium manganese iron phosphate active material. The areal density ρ1 of the first positive electrode active coating and the areal density ρ2 of the second positive electrode active coating satisfy: ρ1≥240 g/m2; ρ2≥240 g/m2; and |ρ1-ρ2|≤5 g/m2.
Absstract of: WO2026051275A1
The present application provides a separator and a preparation method therefor. The separator comprises a substrate layer and a heat-resistant layer located on at least one surface of the substrate layer, wherein the substrate layer comprises a polyolefin, and the heat-resistant layer comprises polymer fibers and inorganic ceramic particles; and the separator satisfies the following conditions: 1≤BL50/BW50≤6, 0.8≤Equation≤6, 0.1 μm≤BL50≤0.6 μm, and 0.04 μm≤TL50≤0.2 μm. According to the present application, adjusting dimensions of internal structural pores of a substrate layer and a heat-resistant layer reduces rigidity mismatch between the heat-resistant layer and the substrate layer, thereby increasing a rupture temperature of the separator, and mitigating the problem of separators easily fracturing when subjected to high-temperature treatment for an extended period of time. Moreover, this also greatly reduces the common occurrence of separator curling after heat-resistant layer coating, addresses the problem of separators being prone to powder shedding when stretched or subjected to external impact, and improves the thermal safety performance of the separator.
Absstract of: WO2026052142A1
A cleaning apparatus, comprising a dust cup device (200) and an air duct assembly (100). The dust cup device (200) comprises a dust cup (210), wherein a dust collection cavity (210a) is formed inside the dust cup (210), and the central axis of the dust cup (200) is parallel to a first direction. The air duct assembly (100) is located on one side of the dust cup device (200) in a second direction, the air duct assembly (100) comprises an air duct (110), and the second direction is perpendicular to the first direction.
Absstract of: WO2026053310A1
This current collector for a secondary battery is provided with: a resin layer containing a resin material; and a metal film provided on the surface of the resin layer. The resin layer includes a thermally conductive element having higher thermal conductivity than the resin material.
Absstract of: WO2026053339A1
This capacity adjustment device for adjusting capacities of a plurality of cells included in a battery pack comprises: a CPU 10 that detects an amount of variation in capacity of a plurality of cells C, selects an adjustment cell to be subjected to capacity adjustment from among the plurality of cells C on the basis of the detected amount of variation, and calculates a discharge target amount of the adjustment cell; and an ASIC 20 that outputs a discharge instruction to discharge the adjustment cell and discharges the adjustment cell. The CPU 10 executes selection processing of the adjustment cell and calculation processing of the discharge target amount before processing by the CPU 10 stops. The ASIC 20 discharges the adjustment cell so that an actual discharge amount of the adjustment cell reaches the discharge target amount while the processing of the CPU 10 is stopped.
Absstract of: WO2026053197A2
At least one first processor of an electronic device included in a battery operating system, according to one embodiment of the present document, can transmit an encrypted first identification code to a server, receive a second identification code encrypted by the server, and authenticate the validity of a battery management device, and at least one second processor of the server included in the battery operating system can obtain the identifier of the battery management device by decrypting the encrypted first identification code, identify the validity of the battery management device, encrypt the second identification code, and transmit the second identification code to the electronic device.
Absstract of: WO2026053524A1
An electrode group according to an embodiment includes a positive electrode and a negative electrode. The electrode group is obtained by winding the positive electrode and the negative electrode with a separator therebetween. In the electrode group, at least part of the electrode group from a start point in the winding to an end point in the winding is provided with a portion in which four or more layers of the positive electrode and the negative electrode are wound in combination.
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.
Nº publicación: WO2026051654A1 12/03/2026
Applicant:
CONTEMPORARY AMPEREX FUTURE ENERGY RES INSTITUTE SHANGHAI LIMITED [CN]
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Absstract of: WO2026051654A1
The present application provides a method for determining the state of health of a battery, a method for determining a battery charging and discharging strategy, and an apparatus. A specific implementation of the method for determining the state of health of a battery comprises: determining respective predicted voltages of a battery to be processed, at prediction moments and under multiple battery capacities; on the basis of each of the predicted voltages and a measured voltage of said battery at each of the prediction moments, obtaining multiple voltage residuals; determining a target voltage residual that satisfies a voltage residual requirement from among the multiple voltage residuals; on the basis of the multiple battery capacities, determining a first target battery capacity corresponding to the target voltage residual; and on the basis of the first target battery capacity and a rated capacity of said battery, determining the state of health of said battery. The method can conveniently and accurately determine the state of health of batteries in a wide range of application scenarios.
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