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1839
resultados
Última actualización
25/06/2025 [08:05:00]
Resultados 1050 a 1075 de 1839
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: 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: US2025192400A1
A battery pack includes: a first battery module, a second battery module spaced apart from the first battery module in a first direction, a base plate that supports the first battery module and the second battery module, a support member supported by the base plate, and extending in a second direction crossing the first direction in a space between the first battery module and the second battery module, and a busbar extending from an upper side of the support member in the second direction through the space between the first battery module and the second battery module.
Resumen de: US2025192384A1
Discussed is an apparatus for manufacturing a secondary battery including: a main body; and at least one bending jig that is connected to the main body and presses and molds an electrode lead of the secondary battery, wherein the at least one bending jig includes a coupling part coupled to the main body, and a bending part provided at one side of the coupling part and having at least one surface provided to be inclined.
Resumen de: US2025192398A1
A battery cell includes a positive electrode sheet, a negative electrode sheet and an insulation layer. The positive electrode sheet includes a coating layer. The negative electrode sheet includes a porous current collector and a first tab connected to at least one end of the porous current collector. Along a thickness direction of the porous current collector, the porous current collector and the coating layer are arranged facing each other, and along a first direction, the porous current collector has an extension section beyond the coating layer, where the first direction is perpendicular to the thickness direction of the porous current collector. The insulation layer is disposed corresponding to the extended section, and along the thickness direction of the porous current collector, the projection of the insulation layer on the porous current collector covers part or all of the extended section.
Resumen de: US2025192307A1
A battery comprises: a frame body, a hollow region being formed in an internal structure of the frame body; a bearing body mated to the frame body; and a battery unit arranged in the hollow region and spaced apart from the frame body. The battery unit is arranged on one side of the bearing body along a thickness direction of the frame body, and the battery unit is connected to the bearing body.
Resumen de: US2025192256A1
A battery module location identification apparatus, method and system which identifies a location of a target battery module among a plurality of battery modules included in a battery pack using a sound signal generated from the target battery module, the battery module location identification apparatus including a microphone array having a plurality of microphones, a camera and a processor connected to the microphone array and the camera, wherein the processor generates location information of the target battery module based on an image of the plurality of battery modules captured by the camera and a sound signal received from the microphone array.
Resumen de: US2025192393A1
A first voltage detection device (30A) includes: a first voltage detection portion (310A); and a first shaft member (340A) extending through a part of the first voltage detection portion (310A). The first voltage detection portion (310A) includes a first ridge (318A) located at least partially around a first through hole (312aA) of the first voltage detection portion (310A) through which the first shaft member (340A) extends.
Resumen de: US2025192140A1
The present invention relates to a positive electrode (1), comprising a positive electrode current collector metal body (14) and a composite laminate (16) present on at least one surface of the positive electrode current collector metal body (14), wherein: the composite laminate (16) comprises a positive electrode active material layer (12) and a conductive layer (15), wherein the conductive layer (15) is present between the positive electrode current collector metal body (14) and the positive electrode active material layer (12), and coats at least a part of the positive electrode current collector metal body (14), the conductive layer (15) comprises conductive carbon, the positive electrode active material layer (12) comprises one or more positive electrode active material particles, at least a part of the positive electrode active material particles comprises a core section consisting of a positive electrode active material and an active material coating section coating at least a part of a surface of the core section, the conductive layer (15) comprises conductive carbon, a total conductive carbon content of the composite laminate (16) is 0.5 to 3.0% by mass with respect to a total mass of the composite laminate (16), and a volume capacity density of the composite laminate (16) is 330 to 400 mAh/cm3.
Resumen de: US2025192220A1
A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes a positive electrode active material layer having a positive electrode active material containing an overlithiated manganese-based oxide represented by Formula 1 below, and the negative electrode includes a negative electrode active material layer having a silicon-based negative electrode active materialLiaNibCocMndMeO2 Formula 1wherein, M is at least one selected from the group consisting of Al, B, Co, W, Mg, V, Ti, Zn, Ga, In, Ru, Nb, Sn, Sr, and Zr, and 1≤a, 0≤b≤0.5, 0≤c≤0.1, 0.5≤d<1.0, and 0≤e≤0.2, and. Preferably, in the Formula 1, 1.1≤a≤1.5, 0.1≤b≤0.4, 0≤c≤0.05, 0.5≤d≤0.80, and 0≤e≤0.1.
Resumen de: US2025192174A1
An anode active material for a lithium secondary battery comprising magnesium-silicon composite oxide particles comprising MgSiO3 and silicon and having a ratio of magnesium to total magnesium, silicon, and oxygen of about 0.07 to about 0.17. A secondary lithium battery comprising the anode active material is provided having enhanced capacity and lifespan.
Resumen de: US2025192217A1
A battery cell extraction device includes an adsorption part provided to be movable toward a battery cell stored in a tray, and provided to adsorb a first surface of the battery cell, and a guide part provided to be movable so that in a state where the first surface of the battery cell is adsorbed by the adsorption part, a second surface in a direction opposite to the first surface of the battery cell is supported, and including a plurality of elastic members disposed to contact the second surface of the battery cell.
Resumen de: US2025192138A1
Systems and methods are provided for high volume roll-to-roll direct coating of electrodes for silicon-dominant anode cells. A system for continuous roll-to-roll electrode processing may include one or more components configured for receiving a plurality of precursor composite rolls, with each precursor composite roll including a precursor composite film coated on a current collector, and a heat treatment oven configured for applying heat treatment concurrently to the plurality of precursor composite rolls, to convert the precursor composite film in each precursor composite roll into a pyrolyzed composite film on the current collector. The system is configured for processing the plurality of precursor composite rolls in a continuous manner.
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.
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.
Resumen de: US2025192347A1
An insulation film configured to wrap at least a part of a shell of a battery cell is provided with a fragile portion configured to cover at least a part of a pressure relief mechanism in the battery cell mounted on the shell. The fragile portion is disposed on the insulation film and covers at least a part of the pressure relief mechanism, such that when the battery cell is thermally runaway, the insulation film less hinders the pressure relief mechanism.
Nº publicación: US2025192324A1 12/06/2025
Solicitante:
FORD GLOBAL TECH LLC [US]
FORD GLOBAL TECHNOLOGIES, LLC
Resumen de: US2025192324A1
Interlocking assemblies are provided for use within cell stacks of a traction battery pack. An exemplary interlocking assembly may include a crossmember frame, a structural thermal barrier, an adhesive, and a rod. The adhesive may be disposed between the crossmember frame and the structural thermal barrier. The rod may then be inserted through the crossmember frame and the structural thermal barrier for retaining the structural thermal barrier to the crossmember frame while the adhesive cures.
BOPI
Sede Electrónica
