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1034
resultados
Última actualización
23/10/2026 [07:18:00]
Resultados 500 a 525 de 1034
Resumen de: US20260321856A1
Disclosed is a battery pack. A battery pack according to an embodiment of the present disclosure may include: a case having an open upper surface and providing an internal space; a plurality of battery cells accommodated inside the case; and a pack cover that covers the open upper surface of the case and has a flat plate portion and a protrusion protruding upward from the flat plate portion.
Resumen de: US20260319009A1
Systems, apparatuses, and methods for electrochemical impedance spectroscopy (EIS) for use with batteries are provided, including for a battery passive balancing circuit that may be used to generate a stimulus signal for EIS analysis of one or more batteries. An exemplary system may comprise a first battery cell with a first charge and a second battery cell with a second charge. Battery balancing circuitry generates a balancing signal to balance the charges. The battery balancing circuitry transmits the balancing signal to an EIS circuitry. The EIS circuitry provides a stimulus signal to one of the battery cells based on the first balancing signal, receives a response signal based on the stimulus signal, and generates at least one output signal based on the response signal. A battery management system receives the at least one output signal and generates an impedance.
Resumen de: AU2025268483A1
A system and a method for electrodeposition of lithium metal are provided. The system includes a reservoir of electrolyte composition comprising a solvent, a hydrolytically stable lithium salt, a hydrolytically unstable salt, and water, a vessel containing additives, and a power source for electrodepositing a lithium metal. The method includes providing a counter-electrode, providing the electrolyte composition between a substrate and the counter-electrode, and applying a current between the substrate and the counter-electrode to electrodeposit a lithium metal film on the substrate. In various embodiments, the hydrolytically unstable salt, the water, and a second solvent are pre-mixed prior to combining with the hydrolytically stable lithium salt and the solvent to form the electrolyte composition. The additives may include a second hydrolytically unstable salt, a second solvent, and additional amount of water with a sufficient concentration to partially hydrolyze the second hydrolytically unstable salt.
Resumen de: US20260321744A1
Provided are a regenerated positive electrode active material obtained by replenishing lithium in a lithium-deficient positive electrode active material (a), in which, in an oxygen 1s core-level spectrum by XPS measurement of the regenerated positive electrode active material, a value of a ratio of a peak intensity in a region of 528 eV or more and less than 530 eV to a peak intensity in a region of 530 eV or more and less than 535 eV is 0.005 or less, a lithium ion secondary battery including the same, and a method for producing a regenerated positive electrode active material, the method including obtaining a regenerated positive electrode active material by mixing a lithium-deficient positive electrode active material (a), a lithium compound (b), and a reducing agent (c) at 0.13≤(b)/(c)≤2.80 (molar ratio).
Resumen de: US20260321745A1
0000 Provided is a method for producing a regenerated positive electrode active material, the method including replenishing lithium in a lithium-deficient positive electrode active material (a) by mixing the lithium-deficient positive electrode active material (a), a lithium compound (b), and a reducing agent (c) to obtain a regenerated positive electrode active material, in which an oxidation-reduction potential of the reducing agent (c) is 1.80 to 3.00 eV vs Li<+>/Li.
Resumen de: WO2026214181A1
Provided in the embodiments of the present application are a battery cell preheating apparatus and a battery cell preheating and hot-pressing system. The battery cell preheating apparatus comprises a housing, a first drive assembly, a second drive assembly, a plurality of first preheating plate groups and a plurality of second preheating plate groups, wherein the plurality of first preheating plate groups and the plurality of second preheating plate groups are alternately arranged at intervals in the height direction of the housing, and a second preheating plate group is provided between every two adjacent first preheating plate groups; each first preheating plate group comprises a first preheating gap, and each second preheating plate group comprises a second preheating gap; the first preheating gaps and the second preheating gaps carry battery cells, and both the first preheating plate groups and the second preheating plate groups can preheat two opposite surfaces of the battery cells; and the drive assemblies, the plurality of first preheating plate groups and the plurality of second preheating plate groups are all slidably connected to the housing, the first drive assembly drives the plurality of second preheating plate groups to move so as to adjust the size of the plurality of second preheating gaps, and the second drive assembly drives the plurality of first preheating plate groups to move so as to adjust the size of the plurality of first preheating gaps.
Resumen de: WO2026213969A1
A composite current collector comprises a rolled aluminum foil having a thickness ranging from 4 μm to 6 μm, and single-walled carbon nanotube coatings that are respectively precisely applied and fabricated on both sides of the rolled aluminum foil, wherein the thickness of the single-walled carbon nanotube coating on each side ranges from 0.5 μm to 2.5 μm. The total thickness of the composite current collector is less than or equal to 10 μm, the longitudinal tensile elongation at break of the composite current collector is greater than or equal to 5%, and the maximum longitudinal tensile load of the composite current collector is greater than or equal to 8 N/cm of width. A single-walled carbon nanotube raw material used for the composite current collector has the following technical characteristics: the length of a single-walled carbon nanotube is greater than 50 μm, the diameter of the single-walled carbon nanotube ranges from 1.0 nm to 3.5 nm, Ig/Id of the single-walled carbon nanotube is greater than 40, the specific surface area of the single-walled carbon nanotube falls within the range of 600-1600 m2/g, and the carbon content of the single-walled carbon nanotube is greater than 99.0%. A rolled aluminum foil raw material used for the composite current collector has the following technical characteristic: the longitudinal tensile strength is greater than 60 MPa.
Resumen de: US20260322139A1
0000 There is provided a storage battery control device. After setting communication IDs to module controllers, a string controller executes arrangement identification processing. The arrangement identification processing includes transmission processing of transmitting a control signal for connecting switches to any one of the module controllers, acquisition processing of acquiring a measured value of a voltage sensor in a state in which the switches are connected, and identification processing of identifying an arrangement of storage battery modules corresponding to the module controllers in a string according to the acquired measured value of the voltage sensor.
Resumen de: US20260321875A1
This application provides an assembled pressure relief channel including a first pressure relief end plate formed inside the first pressure relief end plate, a second pressure relief end plate formed inside the second pressure relief end plate, at least one pressure relief intermediate plate located between the first pressure relief end plate and the second pressure relief end plate, and pressure relief tubes. Third pressure relief channels are formed inside the pressure relief intermediate plate. The pressure relief tubes are connected between the first and second pressure relief channels, as well as between the second and a third pressure relief channels, or connected between the first and second pressure relief channels, between the second and a third pressure relief channel, as well as between two third pressure relief channels.
Resumen de: US20260321705A1
An all-solid-state rechargeable battery according to an embodiment includes an all-solid-state cell including a positive electrode, a negative electrode, and a solid electrolyte layer, a support plate supporting both surfaces of the all-solid-state cell, and a uniform pressure-applying member disposed between the all-solid-state cell and the support plate and applying uniform pressure to the all-solid-state cell, wherein the uniform pressure-applying member includes a piezoelectric element layer facing both surfaces of the all-solid-state cell and generating a piezoelectric current by the irregular pressure due to the surface irregularities of the all-solid-state cell, and a pressure compensation layer disposed on one surface of the piezoelectric element layer and compensating for the irregular pressure using the piezoelectric current.
Resumen de: US20260321811A1
0000 A battery cell, a battery, an electrical device, and an energy storage apparatus. The battery cell comprises a housing, a separation apparatus and multiple electrode assemblies. The housing is provided with an accommodating space, the multiple electrode assemblies being accommodated in the accommodating space, and the separation apparatus being disposed in the accommodating space, the separation apparatus is configured to divide the accommodating space into multiple sub-spaces, each sub-spaces accommodating at least one electrode assembly. The separation apparatus provides a separation function for the electrode assemblies in each sub-space, so as to reduce the accumulation of expansion stress of electrode assemblies in adjacent sub-spaces, thereby reducing the risk of the electrode assemblies compressing and deforming each other, and effectively improving the reliability of a battery cell.
Resumen de: US20260321627A1
A positive electrode active material, a method of manufacturing thereof, a positive electrode active material slurry, and a rechargeable lithium battery are provided. The method of manufacturing a positive electrode active material includes forming a mixture by mixing an iron phosphate precursor, a lithium source, a carbon source, and a dopant source with each other; performing a spray drying to dry the mixture; and performing a calcination on the dried mixture. The dopant source includes at least one selected from among an aluminum compound, a titanium compound, a vanadium compound, and a magnesium compound.
Resumen de: US20260321816A1
An electrode assembly excellent in insulation and a secondary battery including the same. The electrode assembly according to the present disclosure includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The electrode assembly has a thickness of 10 mm or greater, and satisfies a following Expression (1): (A×B)+6B≥90. In Expression (1), A is a ratio of an overall length to an overall width of the electrode assembly, and B is a thickness value of the separator measured in μm.
Resumen de: AU2025252488A1
Set forth herein are slurries useful for extracting lithium, and other metals and materials, from both inert and live battery scrap, in which the slurries include calcium oxide, calcium hydroxide, hydrated-lime, carbon, or a combination thereof. Also set forth herein are processes and apparatuses for extracting lithium, and other metals and materials, from both inert and live battery scrap that is calcined, once or twice, and processed in a slurry that includes calcium oxide, calcium hydroxide, hydrated-lime, carbon, or a combination thereof.
Resumen de: US20260321894A1
The present invention relates to an all-solid-state battery, and in more detail, the all-solid-state battery includes a first stack including at least one first battery cell and at least one first elastic pad; a first pouch enclosing the first stack; a first end plate on the first stack; a second end plate under the first stack, the first and second end plates sandwiching the first stack; and a first metal spring pad interposed between the first and second end plates.
Resumen de: US20260321722A1
Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt; a non-aqueous organic solvent including a solvent represented by Chemical Formula 1; and an additive represented by Chemical Formula 2:(The description of each chemical formula follows the specification.)
Resumen de: US20260318798A1
0000 A battery cell quality inspection device for measuring the presence of cracks inside a battery cell includes a pressurization chamber accommodating a battery cell therein; at least one pressurization unit coupled to the pressurization chamber to increase a pressure inside the pressurization chamber; and an instrument for measuring an insulation resistance of the battery cells accommodated inside the pressurization chamber, wherein the battery cell is contracted by increasing the pressure inside the pressurization chamber.
Resumen de: AU2024466874A1
Disclosed in the present application are a vapor chamber and a battery pack. The vapor chamber comprises a first thermally conductive layer, a second thermally conductive layer and a third thermally conductive layer, wherein the first thermally conductive layer comprises a first surface and a second surface that are opposite each other in a first direction; the second thermally conductive layer comprises a third surface and a fourth surface that are opposite each other in the first direction; the third thermally conductive layer is disposed between the first thermally conductive layer and the second thermally conductive layer in the first direction; and the third thermally conductive layer comprises a fifth surface, a sixth surface, a seventh surface, and an eighth surface that are connected sequentially, the fifth surface abutting against the second surface, and the seventh surface abutting against the fourth surface.
Resumen de: US20260321878A1
0000 A battery assembly includes a plurality of battery cells having a vent part, the vent part being configured to discharge venting gas, a frame configured to seat the plurality of battery cells thereon, the frame including a plurality of vent holes at positions corresponding to the vent part, and a cover member configured to cover the plurality of vent holes and be opened by the venting gas. A battery pack and a vehicle including the same are also provided.
Resumen de: US20260321776A1
0000 A battery module including: a cell assembly having a plurality of battery cells stacked in at least one direction and respectively configured to provide an electrode terminal; a module case configured to accommodate the cell assembly in an inner space; a cooling member disposed at least on one side of the cell assembly and configured to discharge heat through a coolant; and a heat dissipation member facing at least one battery cell and configured to transfer heat from the battery cell to the cooling member and partially protrude from a side of the cooling member is provided.
Resumen de: US20260321805A1
0000 Embodiments of the present disclosure are related to a can including a first surface including a long side extended in a first direction, a second surface facing the first surface and including a long side extended in the first direction, a third surface perpendicular to the first surface and connected to a long side of the first surface and a long side of the second surface, a fourth surface facing the third surface and connected to the long side of the first surface and the long side of the second surface, a fifth surface connected to respective short sides of the first surface, the second surface, the third surface, and the fourth surface, an opening facing the fifth surface, and a first hole formed on the fifth surface, wherein the first surface, the second surface, the third surface, the fourth surface, and the fifth surface are integrally formed.
Resumen de: US20260321912A1
0000 A method for producing an energy storage device including an electrode assembly including a first plate and a second plate, a first current collector joined to the first plate, and a second current collector joined to the second plate, includes forming a first joint portion by clamping and joining the first plate and the first current collector from both sides, and forming a second joint portion by joining the second plate and the second current collector from one side.
Resumen de: US20260321932A1
An electrode assembly includes: a wound structure, where the wound structure is formed by winding a laminate including a positive electrode sheet and a negative electrode sheet, a separator is sandwiched between the positive electrode sheet and the negative electrode sheet, the wound structure includes a bent region, the positive electrode sheet includes at least one positive electrode bent portion located in the bent region, the negative electrode sheet includes at least one negative electrode bent portion located in the bent region, and along a winding axis direction of the wound structure, two ends of the separator extend beyond the positive electrode bent portion and the negative electrode bent portion; and a protective layer attached to a surface of the positive electrode bent portion and/or a surface of the negative electrode bent portion.
Resumen de: US20260321918A1
A battery module including a cell assembly, the cell assembly including a plurality of battery cells, and a module frame, the mobile frame including a first frame and a second frame configured to be coupled to each other, the first frame and the second frame being configured to accommodate the cell assembly, wherein the first frame and the second frame are rotationally symmetrical to each other.
Nº publicación: US20260318788A1 15/10/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Resumen de: US20260318788A1
A gas collection apparatus includes a gas extraction unit configured to extract gas from a battery, a gas diffusion unit having a gas diffusion space configured to receive and diffuse the extracted gas from the gas extraction unit, a sampling unit having a gas sampling space configured to receive and sample the diffused gas from the gas diffusion unit, and a control unit configured to control the gas diffusion unit. A volume of the gas diffusion unit is variable, and a volume of the gas sampling space is fixed. The gas collection device is capable of sampling gas generated in a secondary battery by adjusting the concentration of the gas to a level suitable for analysis.
BOPI
Sede Electrónica
