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1452
results.
Updated on
05/05/2025 [07:14:00]
Results 25 to 50 of 1452
Absstract of: US2025140994A1
The battery includes an electrode body and a laminate outer encasement covering the electrode body, wherein the battery is disposed on an outer side of the laminate outer encasement, covers an entire surface of the laminate outer encasement, and includes a resin member including a polyurea resin, and the average thickness of the resin member is larger than 0.5 mm and smaller than 1.5 mm.
Absstract of: US2025141001A1
A power storage device includes a case member, a terminal member, and a resin member that fixes the terminal member to the case member. At least one of a case seal portion and a terminal seal portion has a plurality of first seal portions each of which extends continuously over the entire periphery in a circumferential direction and is subjected to cohesive failure when a joint with the resin member breaks down, and a second seal portion that is disposed between the first seal portions adjacent to each other, extends continuously over the entire periphery in the circumferential direction, and is subjected to interfacial failure when a joint with the resin member breaks down.
Absstract of: US2025141003A1
The battery module according to the present disclosure includes a cell block assembly including a plurality of cells, a bottom plate disposed on a first surface of the cell block assembly, a frame surrounding a second surface opposite to the first surface and a side surface of the cell block assembly, and a pair of end plates disposed on each of front and rear surfaces of the cell block assembly, respectively.
Absstract of: US2025141007A1
A battery module is disclosed. In some implementations, the battery module includes: a plurality of battery cells; a plurality of end plates respectively disposed on both sides of the plurality of battery cells; and an elastic plate connected to the plurality of end plates, wherein the elastic plate includes a cover part covering sides of the plurality of battery cells, and a buffer portion extending from the cover part, and disposed between at least some of the plurality of battery cells.
Absstract of: US2025141008A1
A compression cell for use in a battery pack comprising a plurality of linearly stacked battery cells. The compression cell includes an at least partially fluid-filled and fluid-proof flexible container having at least one inflation channel that provides fluid communication between the flexible container and an exterior of the flexible container.
Absstract of: US2025141035A1
A battery pack includes a cell stack including one or more battery cells, including a pack case. The pack case includes a base plate supporting a lower portion of the cell stack; a main wall extending across the base plate and coupled to a center portion of the base plate; a side wall having a hollow shape and including a gas venting path therein, and coupled along an edge of the base plate; and a plurality of supplementary wall having a front end coupled to the main wall, and a rear end coupled to the side walls. The supplementary wall includes a first partition member including a pair of ribs along a longitudinal direction of the supplementary wall, and a second partition member coupled to the first partition member. At least one of the first partition member and the second partition member includes a first hole between the ribs.
Absstract of: US2025141010A1
Disclosed is a battery module, which includes a cell stack including a plurality of battery cells; a compression member disposed on at least one side of the cell stack and interposed in a gap between the battery cells, the compression member being configured to be shape-deformable by an external pressure; and a pressurizing member configured to pressurize the compression member on the at least one side of the cell stack.
Absstract of: US2025141027A1
Provided are an energy storage module and a battery pack, including a body portion and at least one strip. The body portion includes a battery cell assembly and end plates arranged at two sides of the battery cell assembly in a length direction of the energy storage module. The strip is arranged around an outer side of the body portion along a circumferential direction of the body portion to fix the battery cell assembly and the end plates. A side of each of the end plates away from the battery cell assembly is provided with at least one engaging structure. The engaging structure includes an engaging space. Part of the strip is located in the engaging space to limit a relative position between the end plate and the strip. The engaging structure is arranged at the end plate to have a limiting effect on the strip.
Absstract of: US2025141032A1
A battery cell includes a housing and a pressure relief mechanism. A first through-hole is created on the housing. The pressure relief mechanism covers the first through hole. A cover sheet in the pressure relief mechanism is bonded to the housing by the adhesive film. A first passivation layer is disposed on a surface of the cover sheet. The adhesive film is meltable by heat to make the cover sheet fall off to form a pressure relief channel communicating inside and outside of the housing.
Absstract of: US2025141022A1
A battery pack assembly (100), the assembly (100) comprises: a plurality of cells (102a, 102b), each cell (102a, 102b) having a body portion extending between a first end having a first terminal and a second end having a second terminal, a first holding frame (101a) being configured to accommodate at least the first end of one or more of the plurality of cells (102a, 102b) and a second holding frame (101b) being configured to accommodate at least the second end of one or more of the plurality of cells (102a, 102b), an electrical control unit (103) configured to control the electrical output of the battery pack assembly (100), and a separator plate (104), wherein the separator plate (104) is located between the plurality of cells (102a, 102b) and the electrical control unit (103) and is secured to the first holding frame (101a) and the second holding frame (101b).
Absstract of: US2025141016A1
The invention relates to a floor structure (1) for an electric-powered motor vehicle successively comprising, from bottom to top: a battery (2) arranged in a tray (3), a floor plate (5) facing said battery and an acoustic trim lining (6) arranged on said plate, said structure further comprising a fibrous and porous thermal protection layer (7) arranged between said lining and said plate, said protection layer comprising thermal protection fibers based on at least one fusible material and structural fibers of one or more types, said fibers being infusible or based on material having a melting point greater than the maximum melting point of said protection fibers.
Absstract of: US2025141015A1
An energy accumulator housing, in particular a high-voltage accumulator housing for a motor vehicle, comprising a top housing part and a bottom housing part. The bottom housing part comprises a middle portion and two end portions. The middle portion comprises a base element on which wall elements are formed laterally and extend along a longitudinal axis. As a result, together with the base element, an arrangement space is formed in regions, and the end portions are arranged at the ends of the middle portion and have wall elements which also form the arrangement space. The end portions are cast parts, and the shape of the middle portion is produced by bending.
Absstract of: WO2025089653A1
The present invention relates to a cathode active material for an all-solid-state battery, a cathode, and an all-solid-state battery comprising same. More specifically, the cathode active material according to the present invention has formed on the surface thereof a particle layer coated with lithium titanium oxide particles, so that side reactions between the cathode active material and sulfide-based solid electrolyte particles in the cathode are suppressed due to the particle layer, and thus the all-solid-state battery can be stably charged and discharged.
Absstract of: WO2025088462A1
Integrated solar-powered electrochemical device for the extraction and valorization of carbon dioxide from seawater, comprising an electrolyzer (20), an electrical power supply comprising a photovoltaic module (10) and an electrical energy storage system (30), and a control circuit (40) configured to control the electrical connections of the electrolyzer (20) to the photovoltaic module (10) and to the electrical energy storage system (30). The electrolyzer (20) includes a membrane-electrode assembly (23) comprising a porous cathode (24), a porous anode (26) and a bipolar membrane (25) interposed between the cathode (24) and the anode (26). The photovoltaic module (10) comprises a plurality of solar cells (11) integrated onto the anodic flow field plate (22) of the electrolyzer (20), the anodic flow field plate (22) acting as a cathode for the solar cells (11).
Absstract of: WO2025087661A1
The invention relates to a temperature control device (2) for cooling and/or heating at least one component (4), the operation of which is temperature-sensitive, the component being in particular an electronic power module of an inverter or a battery cell, and the temperature control device (2) comprising: - a stack (10) of at least three circulation plates (12), which in particular are brazed together, at least one heat-transfer fluid circuit being arranged in the stack, and the temperature control device (2) having an outer face (8) on which one or more components (4), for example an electronic power module, can be placed, the three circulation plates (12) each comprising at least one stamped shape forming an element for disrupting the flow of fluid in the heat-transfer fluid circuit.
Absstract of: WO2025088543A1
A transferring apparatus for a coil (B) for a machine for the production of power storage devices comprising: an acquisition station (S1), where the coil (B) is supplied to the transferring apparatus (1); a delivery station (S2), where the coil (B) is deliverable to a processing unit arranged downstream; and a transferring unit (2) comprising a conveying device (4) which is cyclically movable between the acquisition station (S1) and the delivery station (S2). The conveying device (4) is configured to move the coil (B) from the acquisition station (S1) to the delivery station (S2). An application unit (11) is configured to apply an adhesive tape to a free flap (L) of the coil (B).
Absstract of: US2025140924A1
Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt % and about 42 wt % of an electrolyte solvent, between about 13 wt % and about 59 wt % of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt % and about 39 wt % of the composition. In some embodiments, the fluoroether can make up between about 18 wt % and about 36 wt % of the composition. In some embodiments, the composition can include between about 0.5 wt % and about 1.5 wt % of a first additive. In some embodiments, the composition can include between about 0.5 wt % and about 5 wt % of a second additive.
Absstract of: WO2025088479A1
The present invention relates to a DES eutectic liquid and a process for recycling lithium batteries and in particular lithium battery cathode materials.
Absstract of: WO2025087664A1
The present invention relates to a system for thermal regulation of an electrical energy storage device, the electrical energy storage device comprising a housing and a plurality of components (6) to be thermally regulated that are housed in the housing and aligned one beside the other in a stacking direction, characterized in that the thermal regulation system comprises at least one plate (12) intended to be disposed between two adjacent components (6) to be thermally regulated, the plate (12) comprising at least one dielectric fluid circulation duct (18) comprising a main branch and at least one secondary branch participating in forming a passive non-return device.
Absstract of: WO2025087663A1
The invention relates to a temperature control device (1) for cooling and/or heating at least one component (2), the operation of which is temperature-sensitive, said component being in particular an electronic power module of an inverter or a battery cell, the temperature control device comprising a stack of at least three plates (14), which in particular are brazed together, a heat-transfer fluid circuit (15) being arranged in the stack, and the temperature control device having an outer face (10) on which one or more components (2), for example an electronic power module, can be placed, the heat-transfer fluid circuit (15) comprising at least: - a first section for circulation of a heat-transfer fluid (17), provided with first elements (18) for disrupting the flow of fluid, which are configured to promote a heat transfer in a first range of flow rates of the heat-transfer fluid in this first section (17); and - a second section (19) for circulation of a heat-transfer fluid, provided with second elements (20) for disrupting the flow of fluid in order to promote a heat transfer in a second range of flow rates of the heat-transfer fluid in this second section (19).
Absstract of: WO2025087662A1
The invention relates to a temperature control device (1) for cooling at least one energy storage component (5), wherein this energy storage component is liable to undergo thermal runaway, wherein this energy storage component is in particular a battery cell, and wherein the temperature control device (1) comprises: - a heat transfer fluid circuit (10), in particular dielectric fluid, for cooling the energy storage component (5); - a plate degassing structure (100) configured to evacuate gas from the energy storage component (5) in the event of thermal runaway of the component, wherein the plate degassing structure (100) comprises a degassing circuit (101) formed by at least one plate, wherein this degassing circuit (101) has at least one gas vent (102) and is configured such that gas introduced into this degassing circuit (101) can escape only through the at least one gas vent (102), and wherein the degassing structure (100) is further configured such that the degassing circuit (101) is sealed off from the heat transfer fluid circuit (10).
Absstract of: WO2025090522A1
Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt% and about 42 wt% of an electrolyte solvent, between about 13 wt% and about 59 wt% of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt% and about 39 wt% of the composition. In some embodiments, the fluoroether can make up between about 18 wt% and about 36 wt% of the composition. In some embodiments, the composition can include between about 0.5 wt% and about 1.5 wt% of a first additive. In some embodiments, the composition can include between about 0.5 wt% and about 5 wt% of a second additive.
Absstract of: WO2025090457A1
A method for laser welding a metal foil stack to a metal substrate includes clamping the foil stack against a support surface of a substrate and irradiating the stack with a beam of laser pulses to weld the foils to the substrate. The beam is a composite beam including a center beam and a surrounding annular beam. An initial series of the laser pulses are incident on the stack at mutually distinct locations on a top surface of the stack, and a subsequent series of the laser pulses are incident on the stack at mutually distinct locations on a side of the stack. The resulting weld nuggets penetrate deeply into the stack, with an average penetration depth that exceeds an average pitch between the weld nuggets. The method is capable of welding more than 100 foils to the substrate. Welded assemblies have been demonstrated to withstand large shear forces.
Absstract of: WO2025088177A1
A sensor assembly is described, the sensor assembly comprising: a measurement bed for receiving an item to be measured; a supporting member vertically displaced from the measurement bed, when in use; a magnetic-field sensor connected to the supporting member; a motor for driving movement between the magnetic-field sensor and the measurement bed; and a controller configured to actuate the motor to cause the magnetic-field sensor to move relative to the measurement bed to scan the magnetic-field sensor across a measurement area. A method of measuring a magnetic field generated by an item using the sensor assembly is also described. The method comprises: positioning the item on the measurement bed such that it is within the measurement area; and scanning the magnetic-field sensor over the measurement area to measure the magnetic field generated by the item. A battery is described. The battery comprises one or more magnetic-field sensors within and/or around a respective magnetic and/or electrochemical component of the battery.
Nº publicación: WO2025088254A1 01/05/2025
Applicant:
STELLANTIS AUTO SAS [FR]
STELLANTIS AUTO SAS
Absstract of: WO2025088254A1
An auxiliary-battery system (1) comprising a battery assembly (1) comprising: - a baseplate (2), - the auxiliary battery (1), comprising a base (3) secured to the baseplate (2), and comprising a first face (F1) opposite to the base (3) and having a first and second electrical connection terminals (B1, B2), as well as a second face (F2) orthogonal to the base (3) and to the first face (F1), - a metal part (4, 5) secured to the baseplate (2) and/or to the battery (1), facing one of the other faces of the battery (1), and in electrical connection with the first terminal (B1), this auxiliary-battery system further comprising: - a heat shield (6) extending in a plane parallel to the second face (F2), and comprising a means (M1) for attachment to the battery assembly, characterized in that the heat shield (6) comprises a protrusion (7) extending orthogonally to the parallel plane and covering the metal part (4, 5).
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