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461
resultados
Última actualización
17/01/2026 [07:00:00]
Resultados 75 a 100 de 461
Resumen de: US20260018768A1
A method for manufacturing a lithium secondary battery may includes a first step of preparing a battery case, a second step of disposing an electrode assembly in the battery case and injecting an electrolyte to assemble a battery cell such that electrolyte mass per unit capacity is a (g/Ah), wherein a is from 2.0 g/Ah to 3.0 g/Ah, a third step of activating the battery cell, and a fourth step of pre-charging/discharging the activated battery cell b times, wherein b is an integer of 0 to 3, and wherein Equation 1 below is satisfied;15≤486.77-373.09×e(-0.006b)×a0.29≤30Equation1
Resumen de: US20260018688A1
A battery management apparatus according to an embodiment of the present disclosure includes a communication unit configured to receive battery information for a plurality of batteries, a priority setting unit configured to determine an index value of a performance index preset for the plurality of batteries based on the battery information and set a priority for the plurality of batteries based on the determined index value, and a battery determining unit configured to determine a target battery among the plurality of batteries based on the battery information and the priority, and provide information about the determined target battery.
Resumen de: US20260018647A1
A separator supply apparatus for supplying a separator includes a bobbin support member including a first surface facing a supply position, a position in which a supplied separator is disposed, and a second surface opposite to the first surface, a plurality of bobbin holders disposed on the first surface and the second surface respectively and supporting the separators, at least one of which is disposed in the supply position, a first shaft disposed on the bobbin support member in a direction penetrating the first and second surfaces, and a second shaft providing a rotational axis to the bobbin support member. The plurality of bobbin holders revolve around at least one of the first or second shaft and are provided such that a bobbin holder disposed in the supply position is changed.
Resumen de: US20260018645A1
A crimping apparatus according to an exemplary embodiment of the present disclosure includes: a roller support device disposed to be movable up and down in an axial direction of a battery case; and a roller connected to the roller support device and configured to press an opening part of the battery case, wherein the roller may be disposed to be movable in a radial direction of the battery case.
Resumen de: US20260018648A1
Provided is an automatic grouping method for a traction battery used in an electric vehicle. The method includes: step 1: collecting battery data; step 2: storing and aggregating data; step 3: grouping the battery information: grouping, by the computer, the plurality of batteries based on a grouping condition, labeling, by the computer, the plurality of batteries with a cut-off voltage, a discharge period, grouping information, and a date, and directly rejecting a battery that meets a screening condition; step 4: printing and pasting a barcode; and step 5: screening and grouping the plurality of batteries.
Resumen de: US20260018692A1
A testing apparatus comprises an X-ray source, a linear array detector and a carrying platform. The linear array detector is opposite an emission port of the X-ray source, the carrying platform can move in a first direction Y, a movement trajectory of the carrying platform passes between the X-ray source and the linear array detector, and the carrying platform is configured to carry a battery to be tested. The linear array detector comprises a plurality of columns of sensing regions, which are arranged in the first direction Y.
Resumen de: US20260015255A1
The present application provides a positive electrode active material, a preparation method thereof, and a positive electrode plate, a battery cell, a battery, and an electric device containing the same, where the positive electrode active material includes a matrix and a sodium-rich layer formed in situ on the surface of the matrix, the matrix includes a sodium-containing layered transition metal oxide, and the sodium-rich layer includes one or more of sodium salts represented by Formula (I) and Formula (II), where m represents an integer from 1 to 8, and n represents an integer from 2 to 20.
Resumen de: US20260015241A1
A method of preparing graphene from coal can include thermally processing raw coal and, after the coal has been at least partially cooled from thermal processing, forming reduced graphene oxide from the coal.
Resumen de: US20260015238A1
Recovered carbon black from recycled tires may be processed through several stages of: cleaning of the recovered carbon black; activation of the recovered carbon black; hydrothermal impregnation of catalyst in activated carbon of the recovered carbon black; graphitization of activated carbon of the recovered carbon black impregnated with catalyst; and finally, cleaning of graphite and recovery of catalyst.
Resumen de: US20260015252A1
This application provides a positive electrode active material, a preparation method thereof, and a positive electrode plate, a battery, and an electric apparatus including the same. The positive electrode active material includes a layered transition metal oxide represented by Formula (I), with parameters as defined herein. The positive electrode active material includes a K element, and an amount of the K element decreases from a particle surface to a particle interior of the positive electrode active material.
Resumen de: US20260015235A1
The invention relates to a composition comprising a salt composed of a sodium cation and an anion of formula (II):wherein R1 and R2 independently represent a fluorine atom or a perfluorinated group, the composition having a sulfamate ion content of from 0.1 to 3000 ppm by weight. The invention also relates to a process for preparing this composition and to an electrolyte comprising same.
Resumen de: US20260015242A1
The present disclosure relates to a method of producing a recycled material. The method of producing a recycled material includes the following (a) and (b). (a) Preparing a battery material. (b) Generating carbon disulfide by causing carbon that is included in the battery material and sulfur to react with each other.
Resumen de: US20260018761A1
A battery is provided and incudes a safety valve, in which the safety valve includes a first metal member located on an outer side, a second metal member located an inner side, and an insulating member located between the first metal member and the second metal member, and the first metal member and the second metal member are connected to each other such that the first metal member and the second metal member straddle the insulating member, the first metal member includes a step portion and a thin portion located on an inner peripheral side of the step portion, and the first metal member has a first groove, the second metal member has a second groove, and the first groove is provided on an outer surface of the first metal member.
Resumen de: US20260018758A1
An end cover assembly, an energy storage device and electricity-consumption equipment. The end cover assembly includes an end plate, a pole and a connecting member. The end plate has a first surface and a second surface disposed opposite to each other along a thickness direction thereof. The end plate further has a first pole hole penetrating the end plate. The pole has a first pole section and a second pole section. An outer circumferential surface of the first pole section is connected with the outer circumferential surface of the second pole section through an annular stepped surface. The first pole section is inserted into the first pole hole. The connecting member is located at a side where the annular stepped surface of the pole is located, and has a second pole hole coaxially arranged with the first pole hole.
Resumen de: US20260018744A1
A second bus bar of a bus bar module includes a first electrical connection part connected to one electrode terminal, a second electrical connection part connected to another electrode terminal, and a U-shaped bypass part that connects the first and the second electrical connection parts and bypasses a projection on a battery module. A housing case includes a first bus bar housing part that houses a first bus bar, a second bus bar housing part that houses the first electrical connection part, a third bus bar housing part that houses the second electrical connection part, and an electric wire housing part that guides an electric wire along a bottom wall that is disposed to be opposed to the battery module. The electric wire housing part is disposed adjacent to the first bus bar housing part, the second bus bar housing part, and the third bus bar housing part.
Resumen de: US20260018739A1
A battery module includes a housing having an upper surface; a battery cell laminate accommodated in the housing, the battery cell laminate includes a plurality of stacked battery cells, each stacked battery cell having a pair of electrode leads; a busbar frame electrically interconnecting the pair of electrode leads of each of the stacked battery cells; and a positive terminal and a negative terminal electrically connected to the busbar frame, each of the positive terminal and the negative terminal protruding above the upper surface of the housing.
Resumen de: US20260018746A1
A cell lead support module including a cell lead guide portion applied to an end of a battery pack, including an end coupled to a sensing assay, to guide a battery cell in coupling to the battery cell; and a counter jig interpolated into the cell lead guide portion to support a cell lead of the battery cell on a side of the battery cell. The counter jig includes a support portion to support the cell lead in a first end of the counter jig contacting the cell lead of the battery cell; and an aiming portion including a coupling reference point of the counter jig, in a second end of the counter jig.
Resumen de: US20260018681A1
An electrode assembly including an electrode stack, which includes a positive electrode including a positive electrode active material layer; a negative electrode including a negative electrode active material layer; and a separator disposed between the positive electrode and the negative electrode, and at least one fixing member which fixes the electrode stack by winding the electrode stack in an overall width direction, wherein the positive electrode includes a positive electrode sliding portion in which a thickness of the positive electrode active material layer decreases, the fixing member includes a first fixing member overlapping the positive electrode sliding portion and a second fixing member not overlapping the positive electrode sliding portion, and a thickness of the first fixing member is greater than a thickness of the second fixing member.
Resumen de: US20260018678A1
A jelly-roll type electrode assembly having an outer circumference tab structure. The jelly-roll type electrode assembly includes a first electrode double-side coated portion, whereby it is possible to prevent crack and deformation of the electrode assembly due to stress concentration on the outermost first electrode. A cylindrical secondary battery including the jelly-roll type electrode assembly is also provided.
Resumen de: US20260018676A1
The present invention relates to an electrode assembly, a secondary battery including the electrode assembly, and a method of manufacturing the electrode assembly, wherein a corona surface treatment is applied to a portion of a surface of a separator located inside a unit cell to increase interfacial adhesion between the separator and an electrode without decreasing electrolyte impregnability.
Resumen de: US20260018679A1
The disclosure provides a cell and a lithium-ion secondary battery. The cell includes a positive electrode plate, a separator, and a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode active material layer, wherein a surface of the negative electrode active material layer is provided with a first recess, the first recess has a depth H in μm, the cell has a length L in mm, and the cell has a width W in mm; and H, L and W satisfy: 0.05H≤L/W≤0.5H.
Resumen de: US20260018677A1
A lithium secondary battery includes a positive electrode layer composed of a sintered body of lithium complex oxide, a negative electrode layer, a separator interposed between the positive electrode layer and the negative electrode layer, an electrolytic solution containing an electrolyte and a solvent and impregnated into the positive electrode layer, the negative electrode layer, and the separator, and an exterior body including a closed space in which the positive electrode layer, the negative electrode layer, the separator, and the electrolytic solution are accommodated. In a thickness direction of the positive electrode layer, a ratio of a thickness of the exterior body at a temperature of 80° C. and a pressure of 100 Pa to a thickness of the exterior body at a temperature of 25° C. and a pressure of 101325 Pa is 1.05 or more and 2.63 or less.
Resumen de: US20260018674A1
Provided is a secondary battery that makes it possible to achieve a superior battery characteristic. The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes lithium metal. The electrolytic solution includes a solvent. The solvent includes an orthocarbonic acid ester compound represented by Formula (1). A content of the orthocarbonic acid ester compound in the solvent is greater than or equal to 40 wt %.
Resumen de: US20260018745A1
An energy storage apparatus and an energy storage system, where the energy storage apparatus includes a box, at least two mutually insulated input-output terminals, and at least two mutually independent high-voltage circuits; and each high-voltage circuit includes at least one battery, a plurality of batteries are accommodated in the box, and the high-voltage circuits are electrically connected to the input-output terminals in a one-to-one correspondence.
Nº publicación: US20260018742A1 15/01/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US20260018742A1
A secondary battery includes: an electrode assembly including a cathode, an anode, and a separator between the cathode and the anode; a case accommodating the electrode assembly in an internal space, and including a vent portion; a cap plate covering an upper portion of the case to seal the case; and an insulator between the electrode assembly and the case within the case. The vent portion is located at a side of the case opposite to the cap plate, and at least an area of the insulator overlapping with the vent portion includes a mesh area having a mesh shape.
BOPI
Sede Electrónica
