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1102
resultados
Última actualización
29/08/2026 [07:33:00]
Resultados 850 a 875 de 1102
Resumen de: US20260246020A1
0000 A battery pack according to an embodiment of the present disclosure comprises: a battery module including a battery cell stack in which a plurality of battery cells are stacked and a module frame in which the battery cell stack is housed; and a pack frame in which the battery module is housed, wherein a cooling path configured to receive a coolant is at a bottom part of the pack frame, and an opening at the bottom part of the pack frame is configured to allow a downside part of the module frame and the coolant to directly contact each other, and at least one protrusion part is on an outer surface of the downside part of the module frame.
Resumen de: US20260246110A1
0000 A method for manufacturing a cylindrical secondary battery including a jelly roll-type electrode assembly, in which an electrode and a separator are wound, ; includes placing a current collector, in which a through-hole is formed, on an end of a jelly roll-type electrode assembly in a direction of a winding center axis, and welding and bonding the jelly roll-type electrode assembly to the current collector. The jelly roll-type electrode assembly and an edge of the current collector through-hole are welded in a circumferential direction. Precision of a welding process position are improved when there is no welding defect, a wide area is contacted with lower energy compared to an existing secondary battery, and low resistance is generated to maximize not only welding processibility.
Resumen de: US20260242225A1
0000 The present invention relates to a carbon nanotube dispersion exhibiting low viscosity and little change in viscosity over time, which includes carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant contains a first dispersant and a second dispersant in a weight ratio of 100:10 to 90, the first dispersant is a dispersant containing an N atom, the second dispersant is a compound containing a sulfonic group, a hydroxyl group, and an aromatic ring in a molecular structure, and the carbon nanotubes and the dispersant are present in a weight ratio of 100:25 to 500.
Resumen de: US20260246031A1
A power storage device is provided with an electrode body and an outer package in which the electrode body is sealed. The outer package includes an outer package film which enfolds the electrode body in such a manner that an opening is formed, and a cover member which is disposed at the position of the opening. The cover member has a first surface that faces the electrode body, a second surface that is on the reverse side of the first surface, and a projection that protrudes from the second surface.
Resumen de: US20260245908A1
Provided is a composite binder for an electrode sheet, and a preparation method for and a use of the composite binder. The composite binder for an electrode sheet uses both a fluorine-containing polymer and an aromatic polyamide. Compared with using a fluorine-containing polymer alone, the strength of the composite binder of the present application is enhanced, the peeling strength of the battery electrode sheet is higher, and the electrolyte infiltration effect is better. Compared with using aromatic polyamide alone, the moisture content of the battery electrode sheet is lower, the hygroscopicity is reduced, and the internal resistance of a battery cell is also lower. That is, the composite binder for an electrode sheet of the present application can have both the advantages of good electrochemical performance of the fluorine-containing polymer and high bonding strength of the aromatic polyamide, and the use cost of the binder is also reduced.
Resumen de: US20260242244A1
Described herein is a process for making a particulate (oxy)hydroxide of TM where TM is a combination of nickel and at least one metal selected from Co and Mn. The process includes the steps of: (a) precipitating a hydroxide of TM by combining one or more aqueous solution(s) (α) containing sulfates of Ni and of at least one transition metal selected from Co and Mn, and an aqueous solution (β) containing sodium hydroxide in a stirred tank reactor,(b) separating the precipitated hydroxide of TM from a continuous phase by way of a filtration step,followed by washing the resultant filter cake with an aqueous medium, thereby obtaining a washed filter cake and a filtrate that contains sodium sulfate,(c) removing water from the filtrate, thereby obtaining a concentrated filtrate and water, and(d) at least partially recycling the water from step (d) and further using it.
Resumen de: US20260246039A1
A gasket of a cylindrical battery comprises: a cylindrical portion having an annular groove provided on the outer circumferential surface thereof; and an annular portion extending radially inward from one end on one side in an axial direction of the cylindrical portion. If a sealing body of the cylindrical battery is attached to the gasket so as to abut the annular portion, in the axial direction of the cylindrical portion, the annular groove is provided in a range of the cylindrical portion extending from a first position, which corresponds to a surface on the other side of a peripheral portion of the sealing body, to a second position which is 1 mm apart on the other side in the axial direction.
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: US20260243559A1
0000 A distance measurement apparatus and method, and battery assembly equipment and method. The distance measurement apparatus includes an image capture device, a processor, and a calibration assembly, where the image capture device is configured to capture an image of a gap occurring during assembly of a battery, the processor is configured to process the image to obtain a width dimension of the gap along a first direction, and the calibration assembly is configured to cooperate with the processor to correct an image capture parameter of the image capture device, and configured to cause a difference between a measured value of the gap and an actual value of the gap to be less than a preset value, where the measured value of the gap is the width dimension of the gap along the first direction obtained after an image captured by the corrected image capture device is processed by the processor.
Resumen de: US20260246089A1
The present invention provides a nonaqueous electrolyte secondary battery which is provided with: an electrode body that is obtained by winding a positive electrode and a negative electrode, with a separator being interposed therebetween; and an outer package that contains the electrode body. With respect to this nonaqueous electrolyte secondary battery, the separator comprises a base material layer and a functional layer that is formed on the base material layer; the functional layer comprises a heat-resistant layer which contains a heat-resistant resin and inorganic particles, and resin particles which are dispersed in the heat-resistant layer and have an average particle diameter that is larger than the thickness of the heat-resistant layer; and the resin particles each have a projection part which protrudes from the surface of the heat-resistant layer.
Resumen de: US20260245995A1
0000 A measuring apparatus for a secondary battery includes a sensing unit configured to measures an object, and a housing configured to houses the object therein, and defining an opening so that the object can be detected by the sensing unit, wherein the sensing unit is disposed outside the housing to reduce or prevent foreign matters inside the housing from being transferred to the sensing unit.
Resumen de: US20260241664A1
0000 Multilayer compositions may include at least one first layer containing a thermoset resin; and a second layer emplaced on the at least one first layer and containing a reaction product of: an isocyanate component containing one or more isocyanate compounds; and an isocyanate-reactive component containing: one or more polyether polyols, one or more aliphatic polyols; and one or more hollow particles present in at least one of the isocyanate component, the isocyanate-reactive component, or a third component. Methods may include preparing a multilayer composition, including depositing at least one layer of a thermoset resin on a substrate; and disposing a second layer on the at least one layer of thermoset resin.
Resumen de: US20260246019A1
0000 A coolant tank for a battery module is disclosed, wherein the coolant tank is configured to accommodate coolant in an inner volume delimited by a number of wall segments of the coolant tank, wherein one wall segment of the number of wall segments forms a number of recessed formations each comprising an outer surface delimiting the inner volume of the coolant tank and an inner surface delimiting a cell compartment for accommodating a battery cell. The present disclosure further relates to a battery module, a battery pack, and a vehicle.
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: 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: US20260246117A1
A voltage detection device (20A) includes a plurality of voltage detection terminals (210) and a plurality of voltage detection lines (220) electrically connected to the plurality of voltage detection terminals (210). The voltage detection lines (220) electrically connected to adjacent voltage detection terminals (210) are drawn through a region between the adjacent voltage detection terminals (210).
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: 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: US20260246057A1
0000 A battery pack includes battery cells arranged in an array to form a battery module layer. Multiple layers are vertically stacked with thermal management devices, such as active heat exchangers in the form of battery cold plates, above and below each layer to form a multi-layer battery stack that may be held in compression by a battery pack frame. The multi-layer battery stack and battery pack frame are surrounded by a battery enclosure, which has flat sealing surfaces to ensure robust sealing. The battery pack is associated with a thermal management system for cooling and heating the battery cells of the battery pack. The battery thermal management system provides cooling and heating by alternating cooling flow directions to achieve uniform temperature distribution. The battery pack may also include a vent detection sensor and vent isolators to detect and mitigate effects of a battery thermal runaway event. Multiple battery packs of a common form factor can be combined in parallel in different arrangements for different vehicles to optimize electric vehicle range, performance, and weight distribution. The battery system can be, charged, discharged, controlled, and thermally managed either by a centralized system or distributed system.
Resumen de: US20260246008A1
0000 Provided is a battery cell comprising: an electrode assembly; a case accommodating the electrode assembly; and a cover surrounding at least a part of the case and including a cooling passage. The cover comprises first surfaces including recesses and second surfaces spaced apart from the first surfaces and including protrusions. At least a part of the case is positioned between the first surfaces and the second surfaces.
Resumen de: US20260246017A1
0000 A battery pack with improved temperature deviation can include a plurality of cell module assemblies; and a case that accommodates the plurality of cell module assemblies, wherein the case includes: an air inlet through which cooling air flows into the case; an air outlet through which the cooling air is discharged from the case; and a first side portion disposed on one side of the case, wherein the first side portion includes a plurality of first beads protruding from the first side portion inwardly into the case.
Resumen de: US20260246097A1
Busbar assemblies are provided. A busbar assembly according to an exemplary embodiment includes a busbar comprising a body portion extending in a first direction and a plurality of end portions, each of the plurality of end portions located at an end of the body portion in the first direction and having a through hole therein; and a protective cover comprising a cover portion surrounding the busbar, and a plurality of wing portions, each of the plurality of wing portions extending from the cover portion in a second direction, wherein the second direction intersects the first direction.
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: 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.
Nº publicación: US20260245972A1 20/08/2026
Solicitante:
PANASONIC ENERGY CO LTD [JP]
Panasonic Energy Co., Ltd.
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.
BOPI
Sede Electrónica
