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847
resultados
Última actualización
15/07/2026 [08:03:00]
Resultados 400 a 425 de 847
Resumen de: US20260196548A1
A welding system is configured to weld an adapting piece. The welding system includes a frame, a welding assembly, a loading assembly, and a driving assembly. The frame has a plurality of loading stations, at least one loading station is a welding station, and at least one loading station is a feeding station. The welding assembly is disposed on the frame. Each loading station is provided with a loading assembly. The loading assembly is configured to carry a bare cell. The welding assembly is configured to weld the bare cell carried by the loading assembly located at the welding station. The driving assembly is capable of driving the loading assembly to sequentially move through each loading station along a first direction. The loading assembly, under the action of the driving assembly, moves above or below the loading station along a second direction to return to a corresponding loading station.
Resumen de: US20260196623A1
0000 A power storage device comprises: a positive electrode in which a positive electrode active material layer is formed on a first surface of a positive electrode collector; and a sealing part that is adhered to the first surface of the positive electrode. The sealing part is formed from an acid-modified polyolefin resin. The positive electrode comprises a carbon coating layer that is provided at the portion of the first surface of the positive electrode collector to which the sealing part is adhered. The carbon coating layer includes carbon particles and a coating layer binding agent. For the coating layer binding agent, the intensity ratio (P
Resumen de: WO2026145500A1
The present invention provides a jelly roll, comprising a positive electrode sheet, a separator and a negative electrode sheet. The positive electrode sheet, the separator and the negative electrode sheet are stacked in sequence and then wound in the direction from a starting end to a tail end to form the jelly roll. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer coated on the surface of the negative electrode current collector. The negative electrode sheet comprises an empty foil region, a single-sided coated region and a double-sided coated region which are connected in sequence. The negative electrode active material layer is not provided on both sides of the empty foil region. The negative electrode active material layer is not provided on the side of the single-sided coated region facing away from the positive electrode sheet. The negative electrode active material layer is provided on both sides of the double-sided coated region. The empty foil region and the single-sided coated region are located at a starting end of the negative electrode sheet. A starting end of the positive electrode sheet is stacked on one side of the single-sided coated region. The jelly roll and the negative electrode sheet satisfy the relational expression: 0≤(a+b)*ab+(cd)2≤2.2, wherein a=W/h1/18, b=1.2*W/L, c=5/h2, and d=x/1.73. In the present invention, when the jelly roll satisfies the relational expression: 0�
Resumen de: WO2026143949A1
Disclosed in the present invention are a temperature control structure and an apparatus. The temperature control structure comprises a plurality of valve structures; the temperature control structure further comprises a base body, a base body input pipe, a temperature control input pipe, a temperature control output pipe and a base body output pipe; the base body comprises a plurality of valve holes provided on the base body; the plurality of valve holes comprise a supply valve hole and a return valve hole; a bottom end face of the supply valve hole is provided with a supply valve channel, and a bottom end face of the return valve hole is provided with a return valve channel; corresponding valve structures are hermetically mounted on both the supply valve hole and the return valve hole, and valve seats of the two valve structures are respectively provided corresponding to the supply valve channel and the return valve channel; one end of the base body input pipe is communicated with the supply valve channel; one end of the temperature control input pipe is communicated with the supply valve hole; one end of the temperature control output pipe is communicated with the return valve channel; one end of the base body output pipe is communicated with the return valve hole. The present invention reduces the use of connecting pipes and sealing components, and also solves the problem of micro-leakage of a temperature control medium.
Resumen de: WO2026144459A1
The present disclosure relates to the technical field of batteries and discloses a lithium iron phosphate positive electrode material and a preparation method therefor, and a lithium-ion battery. The lithium iron phosphate positive electrode material comprises primary particles and secondary particles. The secondary particles are formed by agglomeration of the primary particles. The lithium iron phosphate positive electrode material satisfies formula I and ρ% = 50% to 90%, where FSSS refers to the Fisher particle size of the lithium iron phosphate positive electrode material, DBET refers to the specific surface area particle size of the lithium iron phosphate positive electrode material, and ρ% refers to the relative density of the secondary particles. The present disclosure provides a lithium iron phosphate positive electrode material that satisfies both formula I and ρ% = 50% to 90%. The lithium iron phosphate positive electrode material has good dispersibility, a low degree of agglomeration, and a high compaction density. A positive electrode sheet prepared therefrom has the characteristics of a uniform areal density and a high peel strength, and therefore, a prepared battery has a high specific capacity and cycle stability.
Resumen de: US20260196560A1
The present disclosure relates to an electrolytic solution containing a phosphorofluoridate compound for a lithium secondary battery, and a lithium secondary battery comprising the electrolytic solution, wherein the lithium secondary battery comprising the electrolytic solution according to one embodiment produces an output that does not degrade even under high-voltage conditions, has excellent lifespan characteristics, and exhibits excellent storage stability and a high capacity-recovery rate at high temperatures. In addition, the lithium secondary battery comprising the electrolytic solution according to one embodiment has excellent output characteristics resulting from reduced internal resistance of the battery and exhibits excellent cycle characteristics and stability even when charged in high-temperature and high-voltage conditions.
Resumen de: US20260196494A1
0000 A positive electrode active material including: a lithium nickel-based transition metal oxide with a large particle diameter; and a lithium nickel-based transition metal oxide with a small particle diameter. The lithium nickel-based transition metal oxide with a large particle diameter is in the form of a secondary particle that is an aggregate of primary particles. The lithium nickel-based transition metal oxide with a small particle diameter is in the form of a single particle formed of one nodule and/or a quasi-single particle that is a composite of 30 or less nodules. The volume cumulative particle size distribution graph obtained from particle size distribution (PSD) of the positive electrode active material includes peak Pon a side with the small particle size and peak P
Resumen de: US20260192285A1
A copper-carbon composite material, its preparation and application thereof are provided. The copper-carbon composite material has an active component and a carrier. The active component includes a combination of Cu and Cu2O, and the carrier is a porous carbonaceous material. The content of the combination is 1 wt % to 50 wt %, calculated based on the mass of Cu element, relative to the composite material as 100 wt %, and the R1 value of the composite material is 0.4-2:1.
Resumen de: US20260196501A1
0000 Disclosed is a method for producing a negative electrode, to a negative electrode, to a galvanic cell, and to uses of the galvanic cell. A coating which contains a polymer and/or ceramic particles is applied onto the upper face of a flat metal structure which does not consist of lithium, and a metal arrester is applied onto the lower face of the flat metal structure, said arrester having a plurality of openings in the direction of the metal structure. The metal arrester is then pressed into the metal structure by exerting a mechanical pressure, whereby the openings of the metal arrester are filled with metal of the metal structure at least in some regions. The method is simple and inexpensive to carry out and facilitates the production of a negative electrode which has many advantages.
Resumen de: US20260196497A1
0000 A secondary battery is provided and including a positive electrode that includes a sulfur-containing material; a negative electrode that includes a magnesium-containing material; and an electrolytic solution, wherein the sulfur-containing material includes trimagnesium disulfide (Mg<3>S<2>) in a discharged state.
Resumen de: WO2026145689A1
The present application relates to a composite positive electrode material, a positive electrode sheet and a battery. The composite positive electrode material comprises a lithium manganate material and a lithium-rich and sodium-rich manganese-based material, wherein the median particle size of the lithium manganate material is greater than the median particle size of the lithium-rich and sodium-rich manganese-based material. The compaction density PD of the composite positive electrode material satisfies: 1.05×(X1×PD1+X2×PD2)
Resumen de: US20260196489A1
0000 The present disclosure provides a direct synthesis method for making a cathode active material by utilizing used cathode active material. This method utilizes a hydrothermal process comprising mixing a black mass or a processed black mass with an acid solution to generate a first solution, separating at least a portion of undissolved particles from the first solution, generating a second solution by mixing the first solution with a base solution under a hydrothermal condition to synthesize the cathode active material, and separating the cathode active material from the second solution.
Resumen de: US20260196621A1
A battery cell includes a can and an electrode assembly accommodated inside the can. The can includes a bottom member, a sidewall member connected to the bottom member, and a cap covering an open end of the sidewall member. A can connection portion is electrically connected to the electrode assembly. An edge of the cap is welded. The welding includes a plurality of first weld portions connecting an edge of the open end of the sidewall member, an edge of the cap, and the can connection portion and spaced apart from each other in a circumferential direction, and a second weld portion connecting at least an edge of the open end of the sidewall member and an edge of the cap and disposed between the first weld portions. The first weld portion and the second weld portion are formed continuously to be alternately disposed along the circumferential direction.
Resumen de: US20260196696A1
A battery cell, a battery, and an electric device are disclosed. The battery cell includes an insulating film and an electrode assembly. The insulating film includes a bottom wall, and a side wall connected to the bottom wall, the bottom wall and the side wall enclose an accommodation space, a gap is formed between the side wall and the bottom wall, and the gap runs through the side wall and is in communication with the accommodation space. The electrode assembly is disposed in the accommodation space and abuts against the bottom wall.
Resumen de: US20260196600A1
0000 A battery of a mobility machine, including an end arrangement having at least one outer element and one inner element which are arranged to form, in the assembled state, a cellular structure. The inner element has a wall arranged to be in contact with a cell of the battery. A channel for circulating coolant originating in the cells cooperates with a passage in the end arrangement.
Resumen de: US20260196671A1
0000 A bipolar solid state battery cell including a plurality of electrochemical units, arranged in a stack so that adjacent electrochemical units share an electronic conductor, the plurality of stacked electrochemical units being arranged in series, and the bipolar solid state battery cell including: a cathode current collector; a first electrochemical unit including a first catholyte layer, a first solid state electrolyte, and a first electronic conductor; x second electrochemical units, individually including a second catholyte layer, a second solid state electrolyte, and a second electronic conductor, wherein x is between 0 and 8; a third electrochemical unit including a third catholyte layer and a third solid state electrolyte; an anode current collector; and an electrically insulating layer. The invention further relates to a bipolar solid state battery including a stack of at least two bipolar solid state battery cells.
Resumen de: US20260196592A1
An electrified vehicle includes a chassis, a cab coupled to the chassis, a body supported on the chassis rearward of the cab and having a refuse compartment that defines a storage volume, an energy storage system supported by or coupled to the chassis, an external port accessible from an exterior of the cab or the body, and a cooling conduit connected between the external port and the storage volume or a battery housing. The external port is configured to receive a fluid from a fluid source and supply the fluid along the cooling conduit to the storage volume or the battery housing.
Resumen de: US20260196658A1
This application provides a structural beam, a box, a battery, and an electric device, so as to solve the problem of waste of space and low volume utilization in arrangement of a structural beam inside a battery in the prior art. The structural beam provided in this application includes a first side wall and a second side wall. An exhaust passage is formed between the first side wall and the second side wall. The first side wall is provided with a first exhaust portion. The first exhaust portion is configured to receive emissions from at least one battery cell. The second side wall is provided with a second exhaust portion. The second exhaust portion is configured to receive emissions from at least one of remaining battery cells.
Resumen de: US20260196470A1
0000 A positive electrode, a method of preparing a positive electrode, and a lithium secondary battery including the positive electrode, wherein the positive electrode includes a positive electrode active material layer including a positive electrode active material, and may satisfy Equation that satisfies Equation 1: 0000 1.2 ≤ I 003 / I 200 ≤ 2. . _ Equation 1 0000 where I<003> is an integral value of a maximum peak that appears in a 2θ range of 17.0° to 19.0° during X-ray diffraction (XRD) measurement on a surface of the positive electrode active material layer, and I<200 >is an integral value of a maximum peak that appears in a 2θ range of 43° to 45° during the XRD measurement on the surface of the positive electrode active material layer.
Resumen de: US20260196498A1
0000 In some aspects, the present disclosure provides a rechargeable energy source system. The rechargeable energy source system can comprise a negative electrode comprising a layer of lithium metal having a density of at least about 0.4 g/cm<3 >and an impurity level of less than about 50 ppm by mass. The rechargeable energy source system can comprise a positive electrode that is synthesized to be substantially free of lithium. The positive electrode can have a capacity of at least 250 mAh/g and a gravimetric energy density of at least 800 Wh/kg.
Resumen de: US20260196517A1
The present disclosure provides a dry battery electrode comprising a. at least one active material; b. at least one a primary conductive carbon, said primary conductive carbon having a BET surface area ranging from 250 m2/g to 1800 m2/g; c. at least one secondary conductive carbon, said secondary conductive carbon having a BET surface area ranging from 10 m2/g to 50 m2/g; and d. at least one binder.
Resumen de: US20260196490A1
A negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode. The negative electrode active material includes: a silicon-based active material, and a coating layer surrounding at least a portion of an outer surface of the silicon-based active material, wherein the coating layer includes an active material phase and an inactive material phase, the inactive material phase in the coating layer has a concentration gradient with a concentration decreasing from an outer surface of the coating layer toward an inside of the coating layer, and the active material phase in the coating layer has a concentration gradient with a concentration increasing from the outer surface of the coating layer toward the inside of the coating layer.
Resumen de: US20260196647A1
0000 Disclosed is a battery module, which includes a cell stack including a plurality of battery cells; a module case configured to accommodate the cell stack and having at least one venting hole provided to at one side so that a venting gas discharged from the battery cell is discharged therethrough; a top cover coupled to one side of the module case to form at least one cover hole corresponding to the venting hole; and a venting sheet configured to cover the venting hole and the cover hole, respectively.
Resumen de: US20260194601A1
0000 Provided are an internal short diagnosis method of a battery and a battery system providing the same, the battery system including: a battery including a plurality of battery cells; a cell monitoring integrated circuit (IC) configured to collect a first cell voltage of each battery cell of the plurality of battery cells corresponding to a predetermined charge section in one charge cycle of a plurality of charge cycles for charging the battery; and a main control circuit configured to, for each battery cell, calculate a remaining charging time of the battery cell, calculate a remaining charge capacity of the battery cell, and determine a short circuit of the battery cell based on a comparison of the remaining charge capacity of the battery cell with a predetermined capacity reference value.
Nº publicación: US20260196589A1 09/07/2026
Solicitante:
POSCO HOLDINGS INC [KR]
POSCO CO LTD [KR]
POSCO HOLDINGS INC.
POSCO CO., LTD
Resumen de: US20260196589A1
0000 The present disclosure relates to a method for processing a waste battery including: providing a waste battery; discharging the waste battery; and crushing the discharged waste battery, wherein the discharging of the waste battery has a discharge rate of 0.5 Voltage/min or less, and satisfies Equation 1:
BOPI
Sede Electrónica
