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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 800 a 825 de 1190
Resumen de: WO2026214330A1
Embodiments of the present application relate to the technical field of energy storage, and provide a battery pack and an energy storage device. The battery pack comprises a housing, and a plurality of battery cells and a sampling board accommodated in the housing. The sampling board is of an integrated structure and comprises a wire layer and a piezoresistive layer. The piezoresistive layer is located on a side surface, in a length direction, of one of the plurality of battery cells. The wire layer is located on upper surfaces of the plurality of battery cells and on the side surface, in the length direction, of the one battery cell. The piezoresistive layer is attached to the wire layer, so that the sampling board has a pressure sensing function. By integrating the pressure sensing function into the sampling board, the battery pack can have a pressure sensing capability while avoiding an increase in process complexity and cost.
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: CN120854851A
The invention provides a battery monomer, a battery, a power utilization device and a processing method and equipment of the battery monomer, the battery monomer comprises: an electrode assembly, the electrode assembly comprises a main body part and a tab connected to the main body part, at least part of the tab is bent relative to the main body part so as to form a first surface opposite to the main body part on the tab; the structural part is arranged on the first surface of the tab, and the structural part at least covers part of the tab so as to separate the tab from the main body part; according to the battery monomer provided by the invention, the tabs are provided with the structural members, so that the tabs are separated from the main body part through the structural members; under the action of the structural member, the tab is deformed and is not easy to insert and abut against the main body part, and even if the tab is inserted into the main body part, the structural member can separate the tab from the pole piece, so that the occurrence of short circuit is reduced, and the yield and the safety performance of the battery monomer are improved.
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: 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: US20260321596A1
A composite negative electrode, a preparation method therefor, and a battery are provided. The method includes: providing a first material on a first substrate to form a first material layer; and providing a second material on a second substrate to form a second material layer, bonding the second material layer to the first material layer, performing hot pressing on the first material layer and the second material layer, and then removing the second substrate to obtain the composite negative electrode, at least part of the composite negative electrode having a concentration gradient in the thickness direction thereof; or directly providing the second material on the first material layer to form a second material layer, and performing hot pressing on the first material layer and the second material layer to obtain a composite negative electrode, some of the composite negative electrode having a concentration gradient in the thickness direction thereof.
Resumen de: US20260321833A1
The present disclosure concerns seals and processes of making seals for a cathode and a solid-state electrolyte separator.
Resumen de: US20260321781A1
0000 The battery device includes a frame, a heat exchange plate, a connection base, and a pipe joint. The frame defines, in an enclosing manner, an accommodating cavity. The heat exchange plate is arranged on a side of the accommodating cavity. The heat exchange plate is provided with a flow channel. The heat exchange plate extends to the outside of the accommodating cavity and is provided with an opening outside the accommodating cavity. The opening is in communication with the flow channel. The connection base covers the opening on the heat exchange plate and is connected to the heat exchange plate. The connection base is provided with a connection through hole. The connection through hole is in communication with the opening. The heat exchange plate has a portion located outside the accommodating cavity, and the opening on the heat exchange plate is located outside the accommodating cavity.
Resumen de: US20260321595A1
0000 A composite negative electrode, a preparation method therefor, and a battery are provided. The composite negative electrode includes a substrate and a negative electrode coating layer provided on the substrate. The negative electrode coating layer includes a first material and a second material, the first material is a lithium-containing material, and in a direction away from the substrate along the composite negative electrode, the content of the lithium-containing material in at least part of the composite negative electrode gradually increases.
Resumen de: WO2026214480A1
The present disclosure provides a wiping head and a floating wiping device. The wiping head comprises: a body, the body having a wiping surface; and a protrusion, wherein the protrusion is arranged on the wiping surface, and the shape of the protrusion matches the shape of an electrolyte injection port of a battery, so as to increase the area of contact between the protrusion and the electrolyte injection port of the battery, thereby ensuring the efficiency of cleaning the electrolyte injection port of the battery.
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: 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: 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: 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: WO2026214534A1
The present utility model relates to the technical field of long-life satellite batteries. Disclosed is a long-life storage battery pack for space applications. The long-life storage battery pack comprises a structural frame and a battery module. The structural frame comprises several frame plates and several tie rods, wherein the several frame plates are assembled to form a rectangular frame having three adjacent open surfaces; and each of two opposite open surfaces has an obstruction formed thereon by means of at least one tie rod, and the remaining third open surface has several tie rods uniformly fixed thereon so as to evenly divide a frame space. The battery module comprises several columns of battery cell groups consisting of several battery cells, wherein each column of battery cell groups is fixed in an individual frame space evenly divided by the tie rods; and a balance module is installed on a planar area, close to a negative electrode, of an electrode end surface of one battery cell in each column of battery cell groups. The present utility model is suitable for the in-orbit use of long-life satellite battery packs, features a small size, a compact and firm structure and high mechanical strength, and has the effect of helping to balance the voltage of the battery pack so as to prevent the battery from being damaged due to overcharging and avoid resulting hazards.
Resumen de: US20260318999A1
0000 A battery diagnosis apparatus according to an embodiment of the present disclosure includes a profile obtaining unit configured to obtain a voltage profile for a voltage of a battery measured according to a preset measurement cycle; and a control unit configured to determine a first voltage section and a second voltage section from the plurality of voltage profiles obtained by the profile obtaining unit in a plurality of cycles, determine a first voltage number of voltages included in the first voltage section and a second voltage number of voltages included in the second voltage section in each of the plurality of voltage profiles, and diagnose a state of the battery based on a first ratio of the plurality of first voltage numbers and a second ratio of the plurality of second voltage numbers.
Resumen de: WO2025209666A1
The invention relates to a cover assembly for a battery cell, the cover assembly comprising: a metal base plate (2); at least one terminal (3, 4) which is arranged in a through-opening (20) in the base plate (2); and a sealing element (5, 5') which secures and seals the terminal to the base plate (2), wherein the sealing element (5, 5') is arranged in the through-opening (20) and is designed to seal a first connection region (6) between the terminal (3, 4) and the sealing element (5) and a second connection region (7) between the base plate (2) and the sealing element (5, 5'), and to establish a connection between the terminal (3, 4) and the base plate (2).
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: WO2026216771A1
In one aspect of the present invention, provided are a separator and a method for manufacturing same, the separator comprising: a porous substrate; and a coating layer positioned on at least one surface of the porous substrate and including inorganic particles and organic particles bound by a binder, wherein the content of the organic particles in the coating layer is 10-25 wt%, the organic particles in the coating layer are primary particles, and the average distance between adjacent primary particles is 1-10 ㎛.
Resumen de: WO2026214638A1
Disclosed in the present application are a battery management circuit and a battery system, relating to the technical field of battery management. The battery management circuit is connected between a battery pack and a power distribution circuit; the battery pack comprises a plurality of battery modules; the battery management circuit comprises a plurality of main switches and a plurality of branch switch modules corresponding in number to the plurality of battery modules, as well as a pre-charge switch module and a pre-charge resistor; a positive electrode of each of the plurality of battery modules is correspondingly connected to one end of a respective main switch and one end of a respective branch switch module, and the other ends of the plurality of branch switch modules are all connected to one end of the pre-charge switch module; the other end of the pre-charge switch module is connected to one end of the pre-charge resistor; the other ends of the plurality of main switches and the other end of the pre-charge resistor are connected to the power distribution circuit. The present application achieves the effects of avoiding closing the main switches under load, so as to increase the service life of the components, and also ensuring consistency of the battery branches.
Resumen de: WO2026214425A1
An ultrasonic welding dust removal device (100), comprising: a dust hood (110), which is disposed on one side of a welding area, the dust hood (110) being provided with an opening (113) for a welding head to pass through; and at least two negative pressure pipes (120), each of the negative pressure pipes (120) comprising a first end (121) and a second end (122), the first end (121) of each negative pressure pipe (120) being connected to the dust hood (110), and the second end (122) of each negative pressure pipe (120) leading to an external negative pressure supply device. The device can achieve small-scale isolation within the welding area, reduces the degree of dust diffusion and splashing during welding, and achieves a favorable dust removal effect, thereby improving the welding quality. The present invention further relates to an ultrasonic welding apparatus (200).
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.
Nº publicación: US20260321600A1 15/10/2026
Solicitante:
NINGDE AMPEREX TECH LIMITED [CN]
Ningde Amperex Technology Limited
Resumen de: US20260321600A1
0000 A negative electrode plate includes a negative electrode current collector and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector. The negative electrode active material layer includes a first material layer and a second material layer. The first material layer is disposed between the negative electrode current collector and the second material layer. The second material layer contains the silicon element. The first material layer includes lithium titanate and a first active material. The first active material includes a first silicon-containing material. based on a mass of the negative electrode active material layer, a mass percentage of the lithium titanate is W<1>, and 1.5%≤W<1>≤2.5%; based on a mass of the negative electrode active material layer, a mass percentage of the silicon element in the first active material is W<2>, and 1.5≤W<2>/W<1>≤4.0.
BOPI
Sede Electrónica
