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586
resultados
Última actualización
25/08/2026 [07:49:00]
Resultados 275 a 300 de 586
Resumen de: US20260246109A1
0000 A battery cell comprises a casing, a first electrode terminal, an electrode assembly, a first insulating member and a second insulating member. The casing comprises a first wall, and the first electrode terminal is insulated from and arranged on the first wall; the electrode assembly is arranged in the casing, the electrode assembly comprising a main body part and a first tab; the main body part is flat, and the main body part is provided with a first end surface facing the first wall; the first tab is arranged on the first end surface, and the first tab is electrically connected to the first electrode terminal; the first insulating member and the second insulating member are arranged in the casing, and in the thickness direction of the main body part, the first tab is located between the first insulating member and the second insulating member.
Resumen de: WO2026171219A1
The present application relates to the technical field of batteries, and discloses a battery cell and a battery pack. The battery cell comprises: an electrode assembly, wherein end portions of the electrode assembly are provided with tabs; and a packaging film wrapping around the outer side of the electrode assembly and forming a packaging edge around the electrode assembly, wherein the packaging edge has end packaging areas and side packaging areas, the end packaging areas are respectively connected to the tabs, the end of each tab away from the electrode assembly extends out of the corresponding end packaging area, and in the width direction of the battery cell, the distance between the position where each end packaging area is connected to the corresponding tab and the adjacent side packaging area is L1, and L1 falls within the range of 1 mm≤L1≤400 mm. In the present application, the distance L1 between the connection position of each tab and the adjacent side packaging area is rationally set, thereby not only ensuring the sealing performance and yield of battery cells, but also reducing the waste of materials and the production cost.
Resumen de: WO2026170760A1
Provided in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises a casing and an electrode assembly. The electrode assembly comprises electrode sheets, a solid electrolyte and a first insulating part. The electrode sheets comprise a first electrode sheet and a second electrode sheet; the first electrode sheet comprises a first main electrode sheet body and a first tab, the first tab being connected to the side of the first main electrode sheet body in a first direction; the second electrode sheet comprises a second main electrode sheet body and a second tab, the second tab being connected to the side of the second main electrode sheet body in the first direction. The first insulating part comprises a first insulator and a second insulator; the first insulator is formed on the surface of the first tab in a thickness direction of the electrode sheets and is arranged at the end of the second main electrode sheet body close to the first tab in the first direction; the second insulator is formed on the surface of the second tab in the thickness direction of the electrode sheets and is arranged at the end of the first main electrode sheet body close to the second tab in the first direction.
Resumen de: WO2026170954A1
A lithium-ion secondary battery and an electrical device. The lithium-ion secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte. A positive electrode active layer in the positive electrode sheet comprises a ternary material, the ternary material comprising a ternary metal element, and the ternary metal element comprising nickel; the molar percentage of nickel is 50%-70% based on the total molar amount of the ternary metal element. The electrolyte comprises a lithium salt, a first additive and a solvent, the first additive comprising 1,3-propene sultone, and the solvent comprising ethylene carbonate at a mass percentage of 5%-25%. The lithium-ion secondary battery has a high cycle capacity retention rate.
Resumen de: WO2026170955A1
The present application provides a lithium-ion secondary battery, an electrolyte, a battery cell, and an electric device. The lithium-ion secondary battery comprises an electrolyte; the electrolyte comprises a lithium salt, a first additive, and an organic solvent; the lithium salt comprises lithium hexafluorophosphate; the first additive comprises 1,3-propane sultone; the organic solvent comprises a first solvent; and the relative dielectric constant of the first solvent is greater than or equal to 30. The lithium-ion secondary battery has a relatively high cycle capacity retention rate.
Resumen de: US20260241805A1
A modular mobile machine electric power system comprising an insulated housing, a battery contained in the housing, a charging inlet port in the housing, charging electronics contained in the housing and connected between the charging inlet port and 2024/182338 the battery, a motor power outlet port in the housing configured to be operatively connected to an electric motor of a mobile machine, discharging electronics contained in the housing and connected between the battery and the motor power outlet port, a battery thermal management system contained in the housing, a controller contained in the housing, and the housing comprising a mechanical attachment configured to be operatively connected to the mobile machine.WO
Resumen de: US20260246014A1
0000 A thermal regulation device for electric battery cells includes a distribution tank having a fluid intake chamber and a fluid return chamber. A tube with two fluid circulation assemblies is rigidly secured by a bridge of material, one in communication with the intake chamber and the other with the return chamber, the bridge of material forming at least one absence of material between the two assemblies. The distribution tank includes a rib separating the intake chamber from the return chamber, partially housed in the absence of material. The bridge of material includes a notch opening out on an end face of the tube, the rib including a longitudinal bulge housed partially in the notch.
Resumen de: US20260245972A1
A negative electrode mixture layer has an extension section that extends to the winding starting side from the winding inside of a starting end on the winding starting side of a positive electrode. A first distance between the center of the starting end in the width direction and a mixture layer starting end on the winding starting side of the negative electrode mixture layer is greater than at least one of a second distance between one end of the starting end in the width direction and the mixture layer starting end, and a third distance between the other end of the starting end in the width direction and the mixture layer starting end.
Resumen de: US20260245885A1
A positive electrode active material for a lithium secondary battery, contains a lithium metal composite oxide and barium sulfate, in which the lithium metal composite oxide is represented by Formula (1).(in Formula (1), M1 is at least one element of Co, Mn, or Al, M2 is at least one element of Ti, Zn, Zr, Mg, Ca, B, Si, Nb, W, Mo, Ta, or P, and Formula (1) satisfies −0.1≤a≤0.2, 0
Resumen de: US20260245859A1
0000 A method for manufacturing a dry electrode for batteries, directly from an agglomerate of a dry paste of a fibrilized mixture of electrode materials comprising at least one electrode active material, optionally at least one conductive material, at least one binder and optionally at least one co-binder, by continuously calendering said agglomerates and then laminating the formed calendered film.
Resumen de: US20260245884A1
0000 A nickel-free and cobalt-free cathode material for a lithium (Li) battery is provided. The cathode material includes, LiAl<1-x-y-z>Fe
Resumen de: US20260246029A1
0000 A forming method for a battery housing structure includes: providing a flat plate, wherein four notch grooves are formed on the flat plate, each notch groove having a groove opening facing outward; folding a periphery of the flat plate outward to form a flange; respectively bending two ends of the flat plate outward to form two housing side plates, and completely closing the notch grooves by welding to form weld seams; forming a U-shaped housing, where a U-shaped cavity opening is defined by the flange; and providing a top cover including a U-shaped cover plate, placing the cover plate into an accommodating cavity through the cavity opening to close the cavity opening, where the cover plate is held between the two housing side plates.
Resumen de: US20260240256A1
An aerosol generation system and a heating control method thereof is provided. The method comprises: detecting an initial temperature of a heating module; acquiring a first pre-stored parameter according to the initial temperature, and acquiring a second pre-stored parameter according to a preset heat preservation duration; acquiring a first temperature according to the first pre-stored parameter and a preset expected temperature; acquiring a second temperature according to the first temperature and the second pre-stored parameter; and controlling the heating module to work, and controlling the temperature of the heating module to gradually decrease when the temperature of the heating module reaches the first temperature, enabling the temperature of the heating module to reach the second temperature after the heat preservation duration. Controlling the heating module can prevent temperature change hysteresis, maintaining a consistent air temperature at the end of cigarette body, thereby enhancing the taste when inhaled by the user.
Resumen de: US20260246062A1
0000 A method for mounting an explosion-proof sheet includes: step 1): providing an explosion-proof sheet and a retaining ring, wherein an enclosed area is defined by the retaining ring; connecting the explosion-proof sheet to the retaining ring, so that the explosion-proof sheet closes the enclosed area; and step 2): providing a battery housing, wherein an accommodating cavity for accommodating a battery core is provided in the battery housing, a top opening for mounting a top cover is formed at a top of the battery housing, the battery housing includes a mounting wall arranged offset from the top opening, and the mounting wall is provided with an explosion hole in communication with the accommodating cavity; and mounting the retaining ring on the mounting wall, so that the explosion-proof sheet closes the explosion hole.
Resumen de: US20260245958A1
0000 The present invention relates to a positive electrode for a secondary battery and a secondary battery comprising the same, and more specifically, to a positive electrode for a secondary battery comprising a first positive electrode layer and a second positive electrode layer.
Resumen de: US20260242294A1
0000 The present disclosure relates to the technical field of batteries, and specifically to silicon-carbon particles, a negative electrode plate, and a battery. The present disclosure provides silicon-carbon particles, wherein the surface of the silicon-carbon particles has recessed portions; the number N of the recessed portions on the surface of the silicon-carbon particles is ≥1; the diameter of the recessed portions is 0.05 μm-5 μm; the depth of the recessed portions is 10 nm-μm. By providing recessed portions on the surface of the silicon-carbon particles, the present disclosure is beneficial for improving the cycling stability and expansion performance of silicon-based negative electrode materials.
Resumen de: WO2026170897A1
The present application relates to a battery cell, a battery device and an electric apparatus. The battery cell comprises an electrode assembly (120). The electrode assembly (120) comprises a plurality of electrode sheets (121) and a separator (122). The plurality of electrode sheets (121) are stacked in a first direction (F1). Each electrode sheet (121) comprises a main body portion (1211) and a tab (1212) arranged on one side of the main body portion (1211), wherein the main body portion (1211) has a central region (z1) and an edge region (z2) arranged around the central region (z1). The separator (122) comprises a plurality of first portions (1221), and a second portion (1222) other than the first portions (1221). The first portions (1221) are configured to be permeable to ions, and the second portion (1222) is configured to block ions. The first portions (1221) are provided on the two sides of the main body portions (1211) that are located in the first direction (F1), the second portion (1222) covers at least part of the edge regions (z2) of the main body portions (1211), and the tabs (1212) extend out of the separator (122).
Resumen de: US20260245894A1
A negative electrode includes a current collector and an active material layer, wherein the active material layer includes carbon material particles and metal sulfide particles, wherein the metal sulfide includes at least one selected from the group consisting of Ag2S, MnS, and GeS, and a lithium-ion secondary battery comprising the negative electrode are described.
Resumen de: US20260245887A1
0000 A cathode material satisfying at least one of 1.58≥del_PD_absolute≥1, 0.3≥del_PD≥0.2, 0.21≥del_inclination≥0.15, or (1−del_PD)/EMD≥10.1. 0000 In the above equations, del_PD_absolute is an absolute value difference between an ideal value and a measured value of rolling density when a load is 9,000 kgf, del_PD is a normalized value difference between an ideal value and a measured value of rolling density when a load is 9,000 kgf, del_inclination is an inclination difference between an ideal value and a measured value of rolling density at a load of 0 to 9,000 kgf, and del_PD is a normalized value difference between an ideal value and a measured value of rolling density when a load is 9,000 kgf. The EMD (Earth Mover's Distance) is a value obtained using SciPy's Wasserstein_distance function (u_values=particle distribution before rolling, v_values=particle distribution after rolling, u_weights=none, v_weights=none).
Resumen de: US20260243844A1
0000 The balance between the accuracy of monitoring a battery pack and the amount of battery data stored is optimized. In a battery analysis system, a data receiving unit receives battery data of a battery pack installed in an apparatus via an apparatus (1) or a data relay system. A battery data retention unit stores the received battery data. A battery state analysis unit reads the stored battery data and analyzes the read battery data to estimate a battery state. In accordance with the state of the battery pack, a data acquisition control unit adaptively increases or decreases at least one of the acquisition frequency or a data acquisition item of the battery data received from the apparatus or the data relay system and stored in the battery data retention unit.
Resumen de: US20260245905A1
0000 A power storage device binder aqueous solution includes a polyamic acid and water. The polyamic acid includes an aliphatic diamine unit. The polyamic acid is an amine salt.
Resumen de: US20260246061A1
In the present invention, a cylindrical battery comprises: an electrode; an electrolyte; a bottomed cylindrical outer casing can that accommodates the electrode and the electrolyte; a seal that closes off an opening of the outer casing can; and an upper insulating plate that is disposed in between the electrode and the seal. The seal is provided with a safety valve. The upper insulating plate includes a base material having a through hole, and a film that blocks the through hole. The film is constituted from a thermoplastic resin that melts at a lower temperature than the base material does.
Resumen de: US20260245911A1
0000 An alkaline dry battery includes a positive electrode which has a cylindrical shape and which is disposed in a battery case, a gelled negative electrode containing zinc powder and filled in a hollow portion of the positive electrode, and a separator disposed between the positive electrode and the negative electrode. The separator has a total air permeability within a range of 1.5 to 8.7 cc/cm<2>·s. The negative electrode contains a sulfate salt within a range of 0.01 to 0.5% by mass with respect to mass of the negative electrode in terms of sulfate ions.
Resumen de: US20260241441A1
0000 A method for producing a steel strip for a battery case is provided. The steel strip for a battery case includes the following chemical composition in percentage by mass: carbon: 0.003-0.006%, silicon: ≤0.03%, manganese: 0.35-0.45%, titanium: 0.040-0.050%, aluminum: 0.040-0.060%, phosphorus: ≤0.020%, sulfur: ≤0.012%, nitrogen: ≤0.0040%, and the balance of iron and other inevitable impurities, wherein 7>Ti/(C+N)>5. The process flow of the production is as follows: hot metal pretreatment→converter smelting→LF refining→RH treatment→continuous pouring→hot rolling→acid pickling→cold rolling→continuous annealing→finishing. By means of designing the chemical composition, the Δr value of strip steel is reduced, and the isotropy and processability of the strip steel are improved; and by means of the process, precise control over steel composition and effective control over the amount and size of inclusions in the steel are achieved, the amount of inclusions in a shallow surface layer of a slab is reduced, the peeling depth is reduced or peeling is avoided, and the yield is increased.
Nº publicación: US20260246123A1 20/08/2026
Solicitante:
SK ON CO LTD [KR]
SK ON CO., LTD.
Resumen de: US20260246123A1
A battery module includes a cell stack including a plurality of a battery cell, a module case at least partially accommodating the cell stack, and a cooling unit disposed at one side of the cell stack. The battery cell includes a cell case, an electrode assembly and an electrolyte accommodated in the cell case, and an electrolyte storage unit inserted into the cell case to supply a supplementary electrolyte. The electrolyte storage unit is disposed between the electrode assembly and the cooling unit in a cross-sectional view.
BOPI
Sede Electrónica
