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1670
resultados
Última actualización
22/03/2026 [07:31:00]
Resultados 100 a 125 de 1670
Resumen de: US20260081216A1
The present invention relates to a solid electrolyte, its precursor, methods for producing the same as well as its use, e.g. in electrochemical cells or capacitors, fuel cells, batteries, and sensors. The solid electrolyte may be represented by the following formula (II):wherein X is independently selected from group 17 elements, preferably Cl, Br and I, Y is independently selected from P, As, Ge, Si, B, Sn, Ga, Al, and Sb, 4≤n≤5, 4≤c≤6, and 0
Resumen de: US20260081202A1
A system for manufacturing battery cells that utilizes a single battery assembly station for trimming and welding operations is presented. The system includes a laser mask with defined windows and a laser configured to direct beams through the windows. A platform is operable to perform planar translation of the battery cell within the laser mask, allowing the beams to sequentially trim current collector foils and weld tabs to the current collector foils.
Resumen de: US20260081215A1
The present disclosure provides additive materials to be added to sulfide-containing solid electrolyte materials for use in solid state batteries, solid state batteries using such additive materials in their solid electrolyte materials, and methods of making such solid state batteries. The additive materials provided herein allow the solid state batteries using such additive materials to operate under relatively lower pressures compared to solid state batteries without such additive materials.
Resumen de: US20260081203A1
The present disclosure relates to a die apparatus for manufacturing a secondary battery and a link-type knockout unit for the die apparatus. The die apparatus for manufacturing a secondary battery includes a lower die that supports an electrode plate and has one or more scrap discharge holes, an upper die positioned above the lower die and including a punch corresponding to each of the scrap discharge holes, and a knockout unit including a pad vertically moving inside the scrap discharge hole and a pad support that supports the pad upward and allows the pad to apply a reaction force corresponding to a downward pressure of the punch to a bottom surface of the electrode plate when the punch moves downward.
Resumen de: US20260081227A1
An electrochemical device includes a positive electrode and an electrolytic solution. The positive electrode includes a positive current collector and a positive active material layer disposed on at least one surface of the positive current collector. The positive active material layer includes a positive active material. The positive active material contains an Mg element. Based on a total weight of the positive active material, a weight of the Mg element is X ppm, and 300≤X≤30000. The electrolytic solution contains carboxylate. Based on a total weight of the electrolytic solution, a weight percent of the carboxylate is Y %, and Y≤60. The electrochemical device satisfies 5≤X/Y≤6000. The electrochemical device effectively improve the high-temperature cycle performance and low-temperature discharge performance of the electrochemical device by controlling a relationship between the electrolytic solution and the positive active material.
Resumen de: US20260081226A1
An electrochemical device includes a positive electrode and an electrolytic solution. The positive electrode includes a positive current collector and a positive active material layer disposed on at least one surface of the positive current collector. The positive active material layer includes a positive active material. The positive active material contains an Mg element. Based on a total weight of the positive active material, a weight of the Mg element is X ppm, and 300≤X≤30000. The electrolytic solution contains carboxylate. Based on a total weight of the electrolytic solution, a weight percent of the carboxylate is Y %, and Y≤60. The electrochemical device satisfies 5≤X/Y≤6000. The electrochemical device effectively improve the high-temperature cycle performance and low-temperature discharge performance of the electrochemical device by controlling a relationship between the electrolytic solution and the positive active material.
Resumen de: US20260081219A1
A lithium secondary battery having a positive electrode, a separator, a negative electrode facing the positive electrode with the separator interposed therebetween, and an electrolyte, in which metallic lithium deposits on the negative electrode during charge. The electrolyte includes: an oxalate salt containing an oxalate complex as an anion, and a lithium ion as a cation; and a polycyclic compound having a thiazole ring and an aromatic ring sharing one side with the thiazole ring.
Resumen de: US20260081222A1
A non-aqueous electrolyte solution for a secondary battery, a secondary battery, and an electrical apparatus are described. The non-aqueous electrolyte solution for a secondary battery of the present application comprises an additive and a non-aqueous solvent, wherein the non-aqueous solvent comprises a first solvent; the additive comprises a cyclic sulfate compound as shown in formula (I); and the first solvent is selected from one or more of ethylene glycol dimethyl ether, a compound as shown in formula A, and a compound as shown in formula B;
Resumen de: US20260081233A1
The present disclosure relates to an electrode assembly and a secondary battery including the electrode assembly. In an embodiment, the electrode assembly includes a first electrode and a second electrode facing the first electrode in a first direction. A thickness of the first electrode is different from a thickness of the second electrode.
Resumen de: US20260082486A1
A flexible circuit can include an electrically non-conductive substrate, a plurality of polymer particles deposited on the substrate, and an electrically conductive metallized foil. The polymer particles can be deposited onto the substrate according to a circuit trace pattern. The circuit trace pattern can define a path of at least one conductive circuit trace configured to couple electrically to a circuit element. The electrically conductive metallized foil can be configured to adhere to the polymer particles but not to the substrate to form the at least one conductive circuit trace.
Resumen de: US20260081321A1
A secondary battery and a battery pack are disclosed. A secondary battery includes an electrode assembly including an electrode tab, a case in which the electrode assembly is accommodated, a connection member electrically connected to the electrode tab, a side terminal electrically connected to the connection member, a cap plate passing through the side terminal and coupled to an opening of the case, and an insulating part insulating the cap plate from the side terminal and insulating the cap plate from the electrode assembly.
Resumen de: US20260081317A1
A secondary battery, a battery pack, and an electronic device are provided. The secondary battery includes a housing, an electrode assembly, and a current collector. The housing includes an end wall, and an explosion-proof valve is disposed on the end wall. The electrode assembly is accommodated in the housing, and the electrode assembly includes a tab facing the end wall. The current collector is disposed between the electrode assembly and the end wall, and is electrically connected to the tab. At least one fragile part is disposed on the current collector, and the fragile part is configured to break when the internal pressure of the secondary battery exceeds a threshold value. At least part of the current collector is bent toward a direction away from the electrode assembly to reduce obstruction to a pressure relief region.
Resumen de: US20260081318A1
An electrode assembly according to the present disclosure includes a positive electrode plate, a negative electrode plate, a separator positioned between the positive electrode plate and the negative electrode plate, and an electrode tab electrically connected to the positive electrode plate. The electrode tab includes a first metal and a second metal that at least partially surrounds the first metal.
Resumen de: US20260081315A1
A battery module, including battery cells connected in series or connected in series and in parallel, a plurality of bus bars connected to corresponding electrode leads of the battery cells, and a voltage sensing member having sensing parts respectively connected to the bus bars, each of the plurality of bus bars having a pin hole perforated therethrough in a thickness direction, and each of the sensing parts having a solder pin configured to be inserted into and released from the pin hole.
Resumen de: US20260081312A1
A battery of an embodiment includes an electrode group, a lead, a groove, and a concave structure, and the electrode group includes a current collecting bundle protruding toward one side in a length direction. The lead is joined to the current collecting bundle with being stacked on the current collecting bundle from one side in a thickness direction of the electrode group crossing the length direction. The groove is depressed to a groove bottom toward a side on which the lead is located in the thickness direction in a joint part between the lead and the current collecting bundle. The concave structure includes one or more concave portions each further depressed from the groove bottom toward the side on which the lead is located, and the groove bottom neighbors the concave structure from a side opposite to a protruding side of the current collecting bundle in the length direction.
Resumen de: US20260081208A1
The present disclosure relates to a lithium secondary battery including a positive electrode that has a positive electrode current collector and a positive-electrode active material layer, a negative electrode that has a negative electrode current collector, an electrolyte solution, and a separator, in which the positive electrode current collector and/or the negative electrode current collector has a current collector film that includes a resin layer containing polyethylene terephthalate and a metal layer provided on each of both surfaces of the resin layer.
Resumen de: US20260081207A1
The present disclosure provides a lithium ion secondary battery, in which surface roughness (Ra) of a surface of a positive electrode active material layer containing a positive electrode active material is less than 1.0×104 Å, and the lithium ion secondary battery includes 5 a nonaqueous electrolyte solution containing at least one selected from the group consisting of compounds of Formulas (1) to (10) described in the specification.
Resumen de: US20260081209A1
A semi-solid battery includes a positive electrode layer that includes a positive electrode current collector and positive electrode active materials, a negative electrode layer that includes a negative electrode current collector and negative electrode active materials, and an electrolyte layer that is provided between the positive electrode layer and the negative electrode layer and has an electrolyte solution with fluidity between adjacent solid electrolyte particles, wherein the electrolyte layer includes oxide particles that are in contact with the solid electrolyte particle and adsorb the electrolyte solution.
Resumen de: US20260081204A1
An apparatus for manufacturing an electrode assembly includes a stacking plate including a first stacking region in which a cathode plate, an anode plate and a separator are stacked; a first actuator connected to the stacking plate and configured to move the stacking plate; an electrode assembly release unit configured to, in a state in which a separator is present on an uppermost portion of a preliminary electrode assembly formed by stacking the cathode plate, the anode plate, and the separator, provide tension to the separator by pulling the preliminary electrode assembly to the outside of the stacking plate; a separator fixing unit configured to press the separator in a state in which only the separator remains on the stacking plate; and a separator cutting unit configured to cut the separator on the stacking plate after the separator fixing unit presses the separator.
Resumen de: US20260081210A1
A lithium secondary battery according to embodiments of the present disclosure may include a cathode including a lithium metal phosphate, an anode disposed opposite to the cathode, a lithium salt, an organic solvent, and a phosphonate-based additive represented by Formula 1. The lithium secondary battery according to exemplary embodiments of the present disclosure may exhibit reduced initial resistance and improved low-temperature capacity properties and high-temperature capacity properties.
Resumen de: US20260081228A1
An electrolytic solution and the use thereof. The electrolytic solution includes fluoroethylene carbonate and tris(vinyldimethylsilyl) phosphate; a mass percentage of the fluoroethylene carbonate ranges from 8% to 15%, a mass percentage of the tris(vinyldimethylsilyl) phosphate ranges from 0.5% to 2%, based on a total mass of the electrolytic solution; and a mass ratio of the tris(vinyldimethylsilyl) phosphate to the fluoroethylene carbonate ranges from 1:8 to 1:30.
Resumen de: US20260081270A1
The present disclosure relate to the technical field of secondary batteries, and in particular, to a secondary battery and a top cover component thereof. The top cover component provided by the present disclosure includes a top cover plate having an electrode lead-out hole, and a second sealing portion and a second insulating portion stretching into the electrode lead-out hole, and the second sealing portion and the second insulating portion are at least partially staggered to each other on the radial direction of the electrode lead-out hole and are at least partially overlapped on the height direction. Based on this, a direct discharge clearance can be effectively blocked, and the creepage distance can be prolonged, thereby being conducive to reducing the risk of on fire or explosion and other problems of the secondary battery while withstanding a high voltage.
Resumen de: US20260081253A1
The battery pack according to one embodiment of the present disclosure includes: a lower pack housing including a plurality of module regions; a thermally conductive resin layer located in the module region; a battery module mounted on the module region and located on the thermally conductive resin layer; and an upper pack housing for covering the battery module, wherein the battery module comprises a battery cell stack in which a plurality of battery cells are stacked, and the battery cell stack directly faces the thermally conductive resin layer, wherein the battery cell stack includes cooling fins located between battery cells adjacent to each other among the plurality of battery cells, and wherein the end portion of the cooling fin comes into contact with the thermally conductive resin layer.
Resumen de: US20260081263A1
A battery includes a battery body having a body top surface, a body bottom surface, and a body side wall. The body side wall includes two oppositely disposed first side walls. Distance between outer surfaces of the two first side walls is L. First and second positions not coincide with each other are taken on midline of any first side wall, the first position is located in a range of 0 to 10 mm from the body top surface, the second position is located in a range of 0 to 10 mm from the body bottom surface, and distance between the first and second positions is H. Under conditions of ambient temperature being 25° C. and 2C current rate, temperature at first position is T1, temperature at second position is T2, and the battery satisfies (T1−T2)×3L/H≤20° C.
Nº publicación: US20260081269A1 19/03/2026
Solicitante:
TOPPAN HOLDINGS INC [JP]
TOPPAN HOLDINGS INC
Resumen de: US20260081269A1
A power storage device packaging material at least includes a substrate layer, a barrier layer including a metal layer, an adhesive layer, and a sealant layer in this order. The adhesive layer contains a hydrophobic insulating inorganic filler. The content of the hydrophobic insulating inorganic filler in the adhesive layer may be 0.5 to 20 mass %.
BOPI
Sede Electrónica
