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1317
resultados
Última actualización
26/04/2026 [07:23:00]
Resultados 700 a 725 de 1317
Resumen de: US20260107411A1
A housing assembly includes a housing and a fan disposed on the housing; The housing includes a front wall and a rear wall disposed opposite to each other along a first direction, a first sidewall and a second sidewall disposed opposite to each other along a second direction, and a top wall and a bottom wall disposed opposite to each other along a third direction, The top wall includes a first opening, and the first sidewall includes a second opening. The housing includes a first accommodation space and an air duct. The air duct communicates with an external space of the housing, the first opening, and the second opening. The fan is configured to drive an airflow into the air duct through one of the first opening or the second opening, and out of the air duct through the other of the first opening or the second opening.
Resumen de: US20260106318A1
Provided are a separator and a method for preparing the same, a battery, an energy storage apparatus, and an electricity-consumption device. The separator includes a base film and an adhesive layer arranged on at least one surface of the base film. The adhesive layer includes a plurality of adhesive dots distributed in a dot-array pattern. A thickness of each of the plurality of adhesive dots gradually decreases from an edge of the adhesive dot to a center of the adhesive dot.
Resumen de: WO2026077093A1
The present invention provides a modified graphite negative electrode material, and a preparation method therefor and a use thereof. In the present invention, sulfonated graphene and aminated carbon nanotubes are first dispersed in water so that electrostatic interactions between sulfonic acid groups on the surface of the sulfonated graphene and amino groups in the aminated carbon nanotubes are enabled for self-assembly and binding to obtain a three-dimensional network composite having the characteristics of high elasticity and high stiffness, i.e., sulfonated graphene/carbon nanotubes; then the surface of graphite is coated with the three-dimensional network composite to obtain sulfonated graphene/carbon nanotube-coated graphite; and the sulfonated graphene/carbon nanotube-coated graphite is subsequently mixed with asphalt and fused with an inorganic nanomaterial in sequence, followed by carbonization treatment, thereby forming a modified graphite negative electrode material in which the sulfonated graphene/carbon nanotubes serve as an inner shell, amorphous carbon and the inorganic nanomaterial serve as an outer shell, and graphite serves as a core. The modified graphite negative electrode material can simultaneously achieve high rate performance, high energy density, and high initial coulombic efficiency.
Resumen de: AU2024348186A1
In the present invention, the following steps are carried out: a leaching step S01 in which a lithium-containing substance is immersed in an acidic solution to leach lithium into the acidic solution, thereby obtaining a lithium leachate; a heavy metal and first fluorine precipitation step S02 in which a first calcium compound is added to the lithium leachate to produce a metal hydroxide precipitate and a fluorine-containing precipitate; a first solid-liquid separation step S03 in which the precipitated metal hydroxide precipitate and fluorine-containing precipitate are removed from the lithium leachate; a second fluorine precipitation step S04 in which a second calcium compound is added to the lithium leachate from which the precipitates have been removed, to precipitate dissolved fluorine; and a second solid-liquid separation step S05 in which the precipitated dissolved fluorine and unreacted second calcium compound are removed from the lithium leachate.
Resumen de: AU2024348939A1
A battery module (15), a battery pack (16), an explosion venting pipe assembly (13), an installation platform, and a battery pack assembly. The battery module (15) comprises a case (11) and multiple cells (12) arranged in the case (11); an internal cavity of each cell (12) is in communication with an internal cavity of the case (11); explosion venting pipe assemblies (13) in communication with the internal cavity of the case (11) are disposed on the case (11); the explosion venting pipe assemblies (13) are configured to be connected to an explosion venting pipe manifold (19). The explosion venting pipe manifold (19) connects the explosion venting pipe assemblies (13) of all the battery modules (15) in the battery pack (16). When a cell (12) in any battery module (15) in the battery pack (16) undergoes thermal runaway, fumes generated during the thermal runaway of the cell (12) can be exhausted via the explosion venting pipe manifold (19), thereby reducing the risk of thermal runaway diffusion and burst of the battery modules (15) or even the battery pack (16) and an energy storage container.
Resumen de: US20260106345A1
0000 Provided are a reference electrode, a long-lifespan three-electrode battery and a preparation method thereof and a method for recovering capacity of a battery. The reference electrode includes a current collector, an active layer, and an anti-oxidation layer, the active layer and the anti-oxidation layer being sequentially coated on a surface of the current collector, wherein a material of the active layer includes one selected from the group consisting of a lithium-ion battery active material and a sodium-ion battery active material; and a content of the material of the active layer in the reference electrode is in a range of 0.05-0.08 g/cm<2>; and a material of the anti-oxidation layer comprises a solid-state electrolyte.
Resumen de: WO2026076784A1
The present application relates to the technical field of battery direct cooling, and specifically refers to a battery direct cooling system and a control method. A direct cooling plate is comprised. The direct cooling plate is provided with a refrigerant flow channel and a condensed water flow channel. The refrigerant flow channel has a refrigerant flowing within and is in communication with a refrigerant inlet and a refrigerant outlet on the direct cooling plate. Condensed water discharged by an air conditioning system flows within the condensed water flow channel, and a water intake structure and a water discharge structure are provided on the condensed water flow channel. The battery direct cooling system of the present application has a simple structure, can fully utilize condensed water of an air conditioning system to cool a battery pack, reduces the cooling energy consumption of the battery pack to the greatest extent, has extremely high heat exchange efficiency, is light in weight, has great cost advantages, can effectively reduce the power consumption of the system, and maintains the optimal battery temperature, thereby improving the range of the entire vehicle.
Resumen de: US20260103571A1
The present disclosure relates to a method for manufacturing a polyolefin ultrafine powder and a polyolefin ultrafine powder manufactured according to the method. More particularly, a polyolefin ultrafine powder having an average particle size of about 30 μm or less is provided by a melting step of mixing a polyolefin resin with a xylene mixed solvent and then heating the mixture to prepare a polyolefin melt, a crystallization step of cooling the polyolefin melt to perform crystallization, a reduced pressure wet grinding step of simultaneously wet grinding and drying the crystallized reactant together with a solvent, and an ultrafine grinding step of dry-grinding the powder. In the present disclosure, a xylene mixed solvent is used as a mixed solvent for melting the polyolefin resin, and the ultrafine polyolefin powder manufactured accordingly can be applied to general-purpose material fields such as architecture, civil engineering, chemical products, etc.
Resumen de: AU2024345257A1
An energy storage system comprises an energy storage node that includes a plurality of battery storage elements and a control subsystem to receive battery data from the battery storage elements. The energy storage system further includes a power conversion system (PCS) and a control system coupled to the energy storage node and the PCS. The control system, the control subsystem, or both are configured to: receive or store battery charge and discharge characteristics of the battery storage elements during a plurality of operating conditions of the battery storage elements, the PCS, or both; and run the battery storage elements of the energy storage node at one or more selected operating conditions of the plurality of operating conditions based on the battery charge and discharge characteristics to reduce an imbalance in state of charge among the battery storage elements of the energy storage node.
Resumen de: AU2024345923A1
A system includes a plurality of energy storage nodes, a power conversion system (PCS), a plurality of sensors to detector or monitor system data that includes component data from or about one or more components of the energy storage system, and a control and management system. Each of the energy storage nodes include a battery storage element. The component data includes battery data, PCS data, or a combination thereof. Control and management system is configured to receive or store the system data; apply analytical models to system data to predict or identify an atypical condition relating to a weakness, damage, or a changed condition in the one or more components of the energy storage system; and responsive to the atypical condition, optimize a maintenance plan for the energy storage system. Components of the energy storage system can include a battery storage element, a power conversion system, or a transformer.
Resumen de: AU2024343521A1
An energy storage system includes a plurality of energy storage nodes, each of which includes a battery storage element, and a plurality of helical piles for coupling the plurality of energy storage nodes to a solid substratum. Two adjacent energy storage nodes share a single helical pile or a fixed number of the plurality of helical piles is determined by site soil and seismic conditions. A method for attaching an energy storage system to a solid substratum is also provided.
Resumen de: US20260106173A1
A device can include a battery electrode that comprises a substrate having one or more polymeric materials and a layer disposed on the substrate. The layer can include one or more conductive materials, have a thickness no greater than 12 micrometers, and have a porosity of at least 5% by volume. Additionally, an electrode layer including a seed layer can comprise a number of fused nanoparticles. The electrode layer can also include a lithium metal layer disposed on the number of fused nanoparticles. The electrode layer can be formed by producing, on a polymeric current collector layer, a seed layer that includes nanoparticles. A formulation to form the seed layer can include nanoparticles having ligands and then removing the ligands using one or more thermal and/or one or more chemical treatment processes. The seed layer can be electrically conductive, acting as the current collector when disposed on a polymeric substrate.
Resumen de: US20260103114A1
0000 A battery unit includes at least one string of battery modules and a low-voltage switching unit connectable to multiple low-voltage loads. The battery modules are electrically connected in series. Each battery module includes a plurality of battery cells electrically connected in series. Each battery module includes a balancing circuit with an output port and multiple input terminals connectable to the battery cells of the respective battery module. The output ports of the balancing circuits are connected to the low-voltage switching unit. Each of the balancing circuits is configured to provide on its output port an output voltage with a predetermined voltage value and to extract energy from a selected battery cell or from selected battery cells which are connected to the balancing circuit and to provide the energy at least partly as power supply to at least one of the low voltage loads connected to the low-voltage switching unit.
Resumen de: US20260106210A1
An electrolyte composition contains an ion conductive inorganic solid electrolyte, a polymer having an ability to preferentially conduct metal ions, and an ionic liquid.
Resumen de: WO2026076748A1
The present application relates to the field of positive electrode materials, and provides a composite phosphate positive electrode material, wherein the composite phosphate positive electrode material comprises a composite phosphate; and the composite phosphate has a general formula as shown in formula (I): Na4Fe(2.91-a-b-c-d)MnaTibNicCud(PO4)2(P2O7)Me (I), wherein M is selected from at least one of N and F; 0
Resumen de: WO2026077176A1
The present application relates to the technical field of new energy batteries, and discloses a battery and a battery pack. The battery has good heat dissipation performance, can reduce heat accumulation, and alleviates thermal runaway caused by poor heat dissipation of a battery. In the battery of the present application, a battery cell comprises a first tab and a second tab having opposite polarities, wherein the first tab and the second tab are disposed on the same side of the battery cell; and a current collecting assembly comprises a first current collecting member, a second current collecting member, and at least one first through hole, wherein the first through hole is formed in the first current collecting member, the first current collecting member has a first tab connection region and a first pole connection region, the first tab connection region at least partially surrounds the first pole connection region, the first through hole is formed in the first tab connection region, along the radial direction of the first current collecting member, the distance from the first through hole closest to the first pole connection region to the center of the first pole connection region is L1, the distance from a radial outer edge of the first current collecting member to the center of the first pole connection region is L2, and the ratio of the distance L1 to the distance L2 ranges from 0.15 to 0.95.
Resumen de: WO2026076968A1
The present application provides a battery, comprising a cell and an insulating film covering the circumferential side surface of the cell; the cell comprises a positive electrode sheet and a negative electrode sheet; a starting end and a tail end are respectively formed at two ends of the insulating film; on the circumferential side surface of the cell, the tail end of the insulating film is arranged to extend beyond the starting end, so that an overlapping area is formed between the starting end and the tail end; and the product of the dimension of the overlapping area in the circumferential direction of the cell, the elastic modulus of the insulating film, and the cohesion of the negative electrode sheet is in the range of 0.1 to 2000. By adjusting the product of the elastic modulus of the insulating film and the cohesion of the negative electrode sheet, a restraining force applied by the insulating film to the cell is adapted to the cohesion of the electrode sheet, thereby preventing excessive expansion of a cylindrical cell during charging and discharging.
Resumen de: WO2026076964A1
An electrolyte for a lead storage battery, and a use thereof, belonging to the technical field of lead storage battery production. Improving the electrolyte by means of adding a surfactant changes the surface tension of the electrolyte, and can thus slow the phenomenon of delamination of the electrolyte from a source. Additionally, the introduced surfactant forms a stable complex by means of capturing lead ions in the electrolyte, thereby preventing the formation of lead dendrites and reducing the risk of short circuits.
Resumen de: WO2026080257A1
A thermal runaway detection system to detect early-stage lithium-ion battery thermal runaways at the safety valve breakage stage includes one or more microphones configured to transduce audio signals into electrical signals; and a controller configured to receive the electrical signals and, using a deep-learning detection model, determine when an electrical signal corresponding to a respective acoustic signal indicates a safety valve breakage in a lithium-ion battery. The deep-learning detection model was trained by acoustic data obtained from a plurality of incidents in which one or more lithium-ion batteries undergo thermal runaway.
Resumen de: WO2026079836A1
A wearable electronic device according to one embodiment of the present disclosure may comprise: a communication module for communication with an external battery pack; at least one processor; and a memory for storing instructions. When the instructions are individually or collectively executed by the at least one processor, the wearable electronic device can acquire sensing data from the external battery pack. When the instructions are individually or collectively executed by the at least one processor, the wearable electronic device can determine whether the battery pack is in contact with a user's body on the basis of the sensing data. When the instructions are individually or collectively executed by the at least one processor, the wearable electronic device can differently set a trigger temperature value for starting heat control of the battery pack according to whether the battery pack is in contact with the user's body. Various other embodiments are also possible.
Resumen de: US20260106168A1
0000 A current collector includes an insulative support layer, a conductive support layer, a first conductive layer, and a tab part. The insulative support layer is made of a resin composition having electrical insulation properties. The conductive support layer lies adjacent to the insulative support layer. The first conductive layer is laminated on both of the insulative support layer and the conductive support layer. The tab part lies next to the conductive support layer through the first conductive layer and is joined to the first conductive layer by ultrasonic joining.
Resumen de: DE102024129432A1
Die Erfindung betrifft ein Batteriemodul für ein Kraftfahrzeug mit einem Ausgleichselement zur Swelling-Kompensation. Das Batteriemodul umfasst einen Batteriezellenstapel (12) aus mehreren in einer Stapelrichtung (S) gestapelten Batteriezellen (20), ein Modulendelement (14), sowie ein Ausgleichselement (30), das zwischen dem Modulendelement (14) und einer dem Modulendelement (30) gegenüberliegenden ersten Batteriezelle (21) des Batteriezellenstapels (12) angeordnet ist. Das Ausgleichselement (30) weist einen auf Höhe des mittleren Bereichs (22) der ersten Batteriezelle (21) angeordneten mittleren Bereich (32) und einen auf Höhe eines Batteriezellendeckels (23) der ersten Batteriezelle (21) angeordneten äußeren Bereich (34) auf. Hierbei ist das Ausgleichselement (30) dazu ausgebildet, bei einer durch ein Swelling der ersten Batteriezelle (21) bedingten Kraftbeaufschlagung des Ausgleichselements (30) in dem mittleren Bereich (32) des Ausgleichselements (30) in Richtung der Kraftbeaufschlagung zu deformieren, zur Verringerung einer Druckspannung im mittleren Bereich (22) der ersten Batteriezelle (21). Ferner ist das Ausgleichselement (30) dazu ausgebildet ist, bei einer durch ein Swelling der ersten Batteriezelle (21) bedingten Kraftbeaufschlagung des Ausgleichselements mittels des äußeren Bereichs (34) des Ausgleichselements (30) eine entgegengesetzt zur Richtung der Kraftbeaufschlagung gerichtete Kraft und/oder eine Druckspannung auf den Bereich des Batteriezellendecke
Resumen de: US20260106358A1
A cap assembly including a cap plate, a terminal plate joined to an opening in the cap plate, and an insulator between the cap plate and the terminal plate, wherein the terminal plate includes a current collector portion electrically connectable to an electrode assembly, and an electrode terminal portion continuously connected to the current collector portion in a longitudinal direction of the terminal plate.
Resumen de: US20260106203A1
0000 Embodiments provide a winding device for a secondary battery that is capable of improving electrical stability of the secondary battery. The winding device includes a core including a flat portion and an inclined portion, the core configured to wind an electrode assembly of the secondary battery, an antistatic part disposed on the flat portion, wherein static electricity is prevented from being generated between the core and the electrode assembly.
Nº publicación: WO2026076692A1 16/04/2026
Solicitante:
NINGDE AMPEREX TECH LIMITED [CN]
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Resumen de: WO2026076692A1
A positive electrode material, a sodium-ion secondary battery, and an electronic device. The chemical general formula of the positive electrode material is NaxNiaMncO2, and the positive electrode material has a hollow structure; the inner surface of the hollow structure satisfies 1≤c/a≤1.61, and 0.5≤x/(a+c)≤1; and the outer surface of the hollow structure satisfies 0.91≤c/a≤1.1, and 1.05≤x/(a+c)≤1.6. By regulating the contents of the three elements Na, Mn and Ni in the positive electrode material on the inner surface and the outer surface of the hollow structure, the sodium-ion secondary battery containing the positive electrode material can exhibit high capacity characteristics and good high-temperature cycle stability and kinetic performance.
BOPI
Sede Electrónica
