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1804
resultados
Última actualización
23/06/2025 [13:16:00]
Resultados 1075 a 1100 de 1804
Resumen de: US2025192252A1
An energy storage system includes a direct current bus, an energy storage module, an alternating current mains module, an energy storage converter module, a power conversion module, and a battery management system including a container monitoring unit. The power conversion module is configured to convert an alternating current voltage output by the alternating current mains module or an alternating current voltage output by the energy storage converter module into a first direct current voltage. The power conversion module uses, as a second direct current voltage, a maximum voltage among a direct current voltage output by the energy storage module, a bus voltage output by the direct current bus, and the first direct current voltage. The power conversion module then converts the second direct current voltage into a third direct current voltage and a fourth direct current voltage, and separately supply power to the container monitoring unit based on the third direct current voltage and the fourth direct current voltage.
Resumen de: US2025192342A1
Thermal management valve assemblies are provided for use within traction battery packs. An exemplary thermal management valve assembly may be configured to block the transfer of thermal energy to adjacent structures inside the traction battery pack during normal operating conditions and may be further configured to control the flow of battery cell vent byproducts during battery thermal events. The thermal management valve assembly may include one or more attachment frames that can be mounted to a cell stack cross-member assembly, and one or more thermal barriers that can be connected to the attachment frame(s).
Resumen de: US2025192337A1
A power supply device includes a battery cell, a circuit board including a board-side connector, a lead wire connected to the board-side connector, an open case accommodating the battery cell, the lead wire, and the circuit board therein, a lid case closing an opening surface of the open case, and a pull-out blocker disposed on the lead wire. The circuit board has a first main surface, a second main surface opposite to the first main surface, and a side surface connected to the and second main surfaces. The side surface has a cut-out therein. The lead wire extends from a first tip end to a second tip end through the cut-out of the circuit board. The first tip end is connected to the board-side connector. The pull-out blocker is disposed at an intermediate position of the lead wire between the first and second tip ends. The pull-out blocker protrudes from the lead wire to be prevented from passing through the cut-out. The pull-out blocker is configured to prevent a portion of the lead wire extending from the first tip end to the cut-out of the circuit board from being greater than or equal to a predetermined length.
Resumen de: US2025192183A1
Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.
Resumen de: US2025192289A1
A cell pouch for a secondary battery is described. The cell pouch for a secondary battery includes: an inner resin layer; a barrier layer; and an outer resin layer, wherein the inner resin layer, the barrier layer, and the outer resin layer are sequentially laminated, wherein the inner resin layer comprises an aluminum adhesive layer, a core layer, and a sealing layer sequentially laminated, wherein propylene ethylene rubber (PER) contents of the aluminum adhesive layer, the core layer, and the sealing layer are respectively X, Y, with Z, 0≤X+Y+Z≤30%, 0≤X≤20%, and 0≤Y≤30%, where X is a factor inversely proportional to an electrolyte resistance, and Y is a factor proportional to a formability. The electrolyte resistance and formability of secondary battery cells are improved to achieve excellence and reliability.
Resumen de: US2025192363A1
Disclosed is a separator for a secondary battery, which has excellent dimensional stability even at high temperatures when it is a wet state in which an electrolyte has been injected. The separator includes a porous substrate, and a functional coating layer disposed on at least one surface of the porous substrate. The functional coating layer includes a first coating layer and a second coating layer disposed on the first coating layer, the first coating layer contains inorganic particles, an acrylic binder, and polydopamine, and the second coating layer contains polydopamine.
Resumen de: US2025192366A1
Provided is a separator having an intensity ratio of peaks corresponding to a (020) plane and a (110) plane in an X-ray diffraction (XRD) analysis graph of 2.6 to 5.7. The separator according to an embodiment has excellent stability at high temperature by satisfying the peak intensity ratio of the XRD analysis graph.
Resumen de: US2025192171A1
Positive electrode active materials, methods of fabricating the positive electrode active materials, positive electrodes including the positive electrode active materials, and rechargeable lithium batteries including the positive electrodes are disclosed. The positive electrode active material includes a positive electrode active material including a plurality of particles including lithium composite oxide represented by Chemical Formula 1.LiaNixMi1-xOb Chemical Formula 1In Chemical Formula 1, a is about 0.5 to about 1.5. x is about 0.6 to about 0.99. b is about 1.8 to about 2.2. 1-x may be about 0.01 to about 0.4. M includes at least one element selected from among Co, Al, Mn, Na, Mg, Ca, Y, Ti, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Cu, Ag, Zn, B, Ga, C, Si, and Sn. The particle includes Na and S. A mass fraction (Na/S) of the Na to the S is about 0.03 to about 0.2.
Resumen de: US2025192364A1
Disclosed are a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the same, the separator for a rechargeable lithium battery including a porous substrate; a safety functional layer on at least one surface of the porous substrate; and an adhesive layer on the safety functional layer, wherein the safety functional layer includes polymer particles having a melting point of 100° C. to 200° C., an aqueous crosslinked binder, and inorganic particles, the aqueous crosslinked binder includes a crosslinked product of a poly(vinyl amide)-based copolymer, and the poly(vinyl amide)-based copolymer includes a unit derived from a vinyl amide monomer and a unit derived from a monomer including a crosslinkable group.
Resumen de: US2025192132A1
Systems and methods are provided herein for removing alternate material from a foil while minimizing the amount of alternate material particles that are deposited on the surface of an active material. For example, a web may comprise an active material on a first portion of a foil and an alternate material on a second portion of the foil. One or more brushes may be used to remove the alternate material from the second portion of the foil. As the one or more brushes remove the alternate material from the second portion of the foil, a vacuum may be used to capture the alternate material that is removed from the second portion of the foil. In such an example, the resulting web no longer has alternate material on the second portion of the foil and has reduced alternate material particles on the surface of the active material.
Resumen de: US2025192296A1
A battery pack assembly includes a support assembly positioned between a first cell stack on an lower tier and a second cell stack on a upper tier. The support assembly is configured to transfer a load from a second divider of the second cell stack to a plurality of first dividers of the first cell stack. The second divider is horizontally offset from the plurality of first dividers.
Resumen de: US2025192223A1
A method of synthesis of aluminum-doped Li6.25Al0.25La3Zr2O12 (Al-LLZO) can include preparing a precursor solution by dissolving lithium nitrate, aluminum nitrate, zirconium (IV) oxynitrate, and lanthanum nitrate in stoichiometric amounts according to the composition Li6.25Al0.25La3Zr2O12 in water, and decomposing droplets by passing through a co-flow burner. Also disclosed is a method of produce producing a thin-tape comprising Al-LLZO.
Resumen de: US2025192137A1
A method is for manufacturing an energy storage device, wherein the method includes the steps of providing a pre-sodiated anode having a solid electrolyte interface layer and assembling the energy storage device by combining the pre-sodiated anode together with a lithium ion-containing cathode and a lithium ion-containing electrolyte. The invention further relates to an energy storage device having a cathode including lithium ions, a separator, and a lithium salt-containing electrolyte in a suitable case, wherein the energy storage device further has a pre-sodiated anode.
Resumen de: US2025192284A1
Thermal barrier assemblies are provided for inhibiting the transfer of thermal energy inside a traction battery pack while simultaneously accommodating battery cell swelling forces and providing sufficient structural stiffness. An exemplary thermal barrier assembly may include a structural barrier, a thermal insulation medium, and one or more flexible structures that are arranged to contain the thermal insulation medium within an outer perimeter provided by the structural barrier. The flexible structures may be configured as flexible links or film layers that are capable of mechanically isolating a first portion of the structural barrier that contacts a battery cell undergoing swelling from a second portion of the structural barrier that is not in contact with the battery cell, thereby providing uniform resistance to the battery cell swelling forces while also providing structural stiffness.
Resumen de: US2025192186A1
An energy storage device according to an aspect of the present invention includes a positive electrode including a positive active material layer, the positive active material layer contains first positive active material particles, second positive active material particles, and fibrous carbon, the first positive active material particles are primary particles or secondary particles of primary particles aggregated, the ratio of a particle size to an average primary particle size for the first positive active material particles is 3 or less, the second positive active material particles are secondary particles of primary particles aggregated, and the ratio of a particle size to an average primary particle size for the second positive active material particles is more than 3.
Resumen de: US2025192253A1
A solid-state battery module including: a first substrate with a wiring; a solid-state battery on the first substrate; and a second substrate on an opposite side of the solid-state battery relative to the first substrate and internally including a coil part that is electrically connectable to the first substrate, where a main surface of the second substrate defines a module top surface or is inside the module top surface.
Resumen de: US2025192340A1
Battery cell stack cross-member assemblies are provided for traction battery packs. An exemplary cross-member assembly may include a thermally insulating sheet for blocking the transfer of thermal energy to adjacent structures inside the traction battery pack. The thermally insulating sheet incorporates thermal control valves in the form of movable flaps for controlling the flow of battery cell vent byproducts during battery thermal events.
Resumen de: US2025192185A1
According to one embodiment, an electrode includes an active material comprising-substance and a binder. The active material comprising-substance includes an active material including a lithium nickel cobalt manganese-containing oxide and 0.4 wt % or more and 1 wt % or less of an alkali component including at least one of lithium carbonate or lithium hydroxide. The binder has a ratio B/A of 0.4 or more and 1.5 or less, where B is an intensity of a peak appearing in a range of 1580 cm−1 or more and 1600 cm−1 or less in a Fourier transformation infrared spectroscopic spectrum, and A is an intensity of a peak appearing in a range of 1662 cm−1 or more and 1682 cm−1 or less in the Fourier transformation infrared spectroscopic spectrum.
Resumen de: US2025192187A1
Disclosed herein is an energy storage device that comprises a cathode and an anode, wherein at least one of the anode and cathode includes an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; and a plurality of electrode active material particles disposed in the void spaces within the network; and the network of high aspect ratio carbon elements has an intersection density of at least 0.1 per μm2.
Resumen de: US2025192336A1
A traction battery pack assembly includes a first battery cell, a second battery cell, and a thermal barrier having a divider section and a covering section. The divider section is sandwiched between the first battery cell and the second battery cell along a cell stack axis. The covering section extends axially over the first battery cell and the second battery cell. The covering section includes a first protrusion that contacts a first fold of the first battery cell.
Resumen de: US2025192359A1
Provided are a discharge assembly, a casing, a battery, and an electric device. The discharge assembly includes a discharge member and a shield. The discharge member has a discharge cavity. The discharge member has an inlet region formed on a wall surface of the discharge member. The discharge cavity is adapted to receive a discharge from a battery cell through the inlet region. The shield is disposed in the discharge member The shield is adapted to shield the inlet region in a shielding state to at least block flames in the discharge, and adapted to form a communication channel in communication with the inlet region and the discharge cavity to allow a gas in the discharge to enter the discharge cavity.
Resumen de: US2025192362A1
Provided are a separator for a rechargeable lithium battery and a rechargeable lithium battery including same and the separator for a rechargeable lithium battery comprising: a porous substrate, a coating layer positioned on at least one surface of the porous substrate and comprising polyethylene particles and a first ceramic at a weight ratio of 6:4 to 8:2, and an adhesive layer positioned on one surface of the coating layer and comprising a second ceramic and a binder at a weight ratio of 7:3 to 5:5, wherein the binder comprises polyvinylidene fluoride and a polyvinylidene-hexapropylene copolymer at a weight ratio of 6:4 to 4:6, and the first ceramic and the second ceramic have different average sizes.
Resumen de: US2025192358A1
A battery pack includes a housing, and a plurality of battery units disposed in the housing. Each of the battery units may include: a first battery cell extending in a width direction of the housing; a second battery cell disposed at one side of the first battery cell in the width direction of the housing and aligned in parallel to the first battery cell; and a case extending in parallel to the width direction of the housing to integrally accommodate the first battery cell and the second battery cell. The case may include: a first vent hole facing the first battery cell; and a second vent hole facing the second battery cell. A vent passage communicating with the first vent hole and the second vent hole may be provided in the housing.
Resumen de: US2025192360A1
The present disclosure provides an exhaust component, a box, a battery, and an electric device. The exhaust component includes a main body part and a one-way guiding part. The main body part is therein provided with an exhaust chamber, and the main body part is provided with a first surface, wherein the first surface is provided with ventilation holes communicating with the exhaust chamber. The one-way guiding part is arranged on the main body part. The one-way guiding part is configured to allow emissions released by the pressure relief mechanism of the battery cell to enter the exhaust chamber through the ventilation holes and is also configured to prevent the emissions within the exhaust chamber from being discharged through the ventilation holes.
Nº publicación: US2025192271A1 12/06/2025
Solicitante:
FORD GLOBAL TECH LLC [US]
Ford Global Technologies, LLC
Resumen de: US2025192271A1
A battery pack assembly includes a thermal exchange device positioned between a first cell stack on a first tier and a second cell stack on a second tier. The thermal exchange device includes a first coolant path and a second coolant path that is separate from the first coolant path. The thermal exchange device can additionally include a vent channel in some examples.
BOPI
Sede Electrónica
