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1313
resultados
Última actualización
30/10/2026 [08:09:00]
Resultados 250 a 275 de 1313
Resumen de: US20260341694A1
The present disclosure relates to a positive electrode active material precursor for a lithium secondary battery, a positive electrode active material for a lithium secondary battery, and a method of producing a positive electrode active material. Controlling an ionic environment during a coprecipitation process to form the precursor, then sintering yields a positive electrode active material having an improved single crystal particle morphology that imparts improved stability, capacity and lifetime characteristics to lithium secondary batteries constructed therefrom. X-ray crystallography indicates that improved positive electrode active material precursor materials have been grown by forming hydrogen bonds in a direction.
Resumen de: US20260341933A1
An apparatus for injecting an electrolyte into a secondary battery, may include: a chamber that accommodates the secondary battery therein; an injecting part that stores the electrolyte therein and injects the electrolyte into the secondary battery through a difference in pressure between the inside thereof and the inside of the chamber; and a compressing part that is connected to the injecting part and compresses the inside of the injecting part to inject the electrolyte remaining in the injecting part into the secondary battery. A method includes: maintaining a chamber that accommodates a secondary battery in a vacuum state; injecting an electrolyte stored in an injecting part into the secondary battery using a difference in pressure between the inside of the chamber and an inside of the injecting part; and compressing the inside of the injecting part using a compressing part to inject remaining electrolyte into the secondary battery.
Resumen de: US20260335923A1
A slot die coater for automatically adjusting a position of a shim plate includes: a slot die, at least one motor disposed inside the slot die, a shim plate disposed on the slot die, and at least one pin. The pin is connected to the shim plate and the motor such that the pin is movable by the motor.
Resumen de: US20260341890A1
The present invention discloses an explosion-proof valve of a battery and a battery, belonging to the technical field of energy storage devices. The explosion-proof valve is an integrally formed disk structure, and comprises, from the outside to the inside, a welding section, a rupture section, and a reinforcement section connected together, a closed rupture score line being arranged on the rupture section, characterized in that: several reinforcement ribs are arranged on the reinforcement section, two ends of the reinforcement ribs being connected to the rupture score line, and a thickness of the reinforcement ribs being greater than a thickness of the rupture score line. A battery installed with the aforementioned explosion-proof valve has an explosion-proof valve activation pressure reaching 0.65-0.95 MPa.
Resumen de: US20260341787A1
Provided are a non-aqueous electrolyte solution for a lithium secondary battery, which includes a compound represented by Formula 1, a lithium salt, and an organic solvent; and a lithium secondary battery including the same:wherein all the variables are described herein.
Resumen de: US20260341886A1
A battery module includes a cell unit assembly including a plurality of cell units, and an end frame disposed at an end of the cell unit, where the cell unit includes: a cell stack, and a cell cover that covers a side portion and an upper portion of the cell stack.
Resumen de: US20260341806A1
An electronic assembly for a high-voltage battery of a motor vehicle is disclosed. The assembly includes a printed circuit board equipped with electronic components, on the underside of which is arranged an insulation layer designed as high-voltage insulation, which covers at least most of the underside of the printed circuit board and is designed as a contact surface for mounting the electronic assembly on a housing of the high-voltage battery. The invention also relates to a method for equipping a housing of a high-voltage battery for a motor vehicle with at least one such electronic module.
Resumen de: US20260343820A1
The present disclosure relates to an electronic device comprising a heat dissipation structure. The electronic device may comprise: a bracket comprising a first area, a second area partitioned from the first area, and a heat dissipation area extendedly formed from a portion of the first area up to a portion of the second area; a circuit board comprising a heating source and disposed in the first area; a battery disposed in the second area; a vapor chamber disposed in the heat dissipation area and, in order to provide a transfer path for heat generated from the heating source, comprises a first part disposed so as to face the heating source, and a second part disposed so as to face the battery; and a filling member coated between the second area and the battery in order to transfer the heat dissipated from the vapor chamber to the battery, wherein the vapor chamber has a buffer area formed at an edge area thereof in order to receive the filling member.
Resumen de: US20260336475A1
A charge/discharge control method includes controlling, using a charge/discharge enable signal, a switch module and a charge-discharge switching module of a charge/discharge circuit to perform an action to form alternately switching charge loop and discharge loop in the charge/discharge circuit. A waveform of the alternating current includes at least one of a triangular waveform, a quasi-triangular waveform, a sinusoidal waveform, or a quasi-sinusoidal waveform.
Resumen de: US20260341687A1
A positive electrode mixture including a sulfur-based active material and a solid electrolyte, wherein in the powder X-ray diffraction using CuKα ray, the positive electrode mixture has a diffraction peak A at 2θ=25.6±0.5° and a diffraction peak B at 2θ=45.2±1.0°, and it has a half width of the diffraction peak A of 0.25° or larger.
Resumen de: US20260338479A1
A thermal regulation device includes a tube configured to be in contact with at least one electrical energy storage unit. The tube includes a plurality of heat transfer fluid circulation channels, and at least a first collecting tank. The first collecting tank includes at least two shells configured to be assembled together. At least one of the shells includes at least one separating partition in order to separate the collecting chamber into at least two parts that are leak-tight with respect to one another when the shells are assembled. At least one separating partition is obtained by stamping, and the base of the separating partition includes a stamped portion forming a groove configured to include the angle due to stamping, such that the end of the separating partition has a face parallel to the face of the end of the tube.
Resumen de: US20260341745A1
Systems, articles, and methods directed to electrochemical systems (e.g., batteries) and the electrochemical reduction of halogenated compounds are generally described. In certain embodiments, the halogenated compound comprises at least one sulfur pentahalide (e.g., pentafluoride) group associated with a conjugated system.
Resumen de: US20260337728A1
A method of forming a component can include electrochemically depositing a metallic material onto a carrier component to a thickness of greater than 50 microns. The metallic material can include crystal grains and at least 90% of the crystal grains can include nanotwin boundaries. The metallic material can include a Copper-Silver alloy (Cu—Ag) with between about 0.5-2 at %-Ag.
Resumen de: US20260341724A1
Provided is a negative electrode including a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material, a binder, a conductive agent, and a dispersant, wherein the conductive agent includes a carbon nanotube structure in which a plurality of single-walled carbon nanotube units are bonded side by side, the carbon nanotube structure has an average length of 1 μm to 20 μm, and QBR according to Equation 1 is in a range of 1 to 1.75QBR=Bs/Bf Equation 1
Resumen de: US20260341725A1
A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes: a positive electrode containing a positive active material containing a tungsten element; and a negative electrode containing carbon-coated solid graphite in which at least a part of a surface of the solid graphite is coated with a carbonaceous material other than graphite, in which a percentage of voids in the carbon-coated solid graphite is 2% or less, and a coating amount of the carbonaceous material in the carbon-coated solid graphite is 12.0% by mass or more.
Resumen de: US20260341820A1
A case (22) of a battery wiring module has a sensor housing part (30) for housing a temperature sensor (60) for detecting the temperature of a battery, a first locking part (41), and a second locking part (51). The first locking part (41) is locked to a first locked part (71) provided on the battery. The second locking part (51) is locked to a second locked part (81) provided on the battery.
Resumen de: US20260341906A1
Disclosed are a battery cell, a battery and an electrical apparatus. The battery cell includes a negative electrode sheet and a separator, where the separator includes a porous substrate and a coating arranged on at least one surface of the porous substrate, the coating including nanocellulose and a granular filler; and the width of the separator is denoted as A, the width of the negative electrode sheet is denoted as B, both are in units of mm, and 0
Resumen de: US20260341899A1
An underbody for a vehicle can include a receiving portion depressed upwards by a predetermined depth, the receiving portion being configured to receive a battery pack. A first liquid tank is mounted in an upper part of the receiving portion, the battery pack including at least one battery module is located under the first liquid tank, and the first liquid tank has both a function of cooling the battery pack and a fire extinguishment function.
Resumen de: US20260336820A1
The invention relates to a thermal management system (1, 1a, 1b, 41, 51, 61) comprising a fluid cooling circuit (2) comprising a cooling channel (3) in a thermal load (4), a cooling pump (5) arranged to circulate cooling fluid inside the fluid cooling circuit (2) and a heat exchanger (6) connected between the cooling channel (3) in the thermal load (4) and the cooling pump (5). The fluid cooling circuit (2) comprises a heat exchanger by-pass valve (7) connected to the cooling channel (3) in the thermal load (4) and to the cooling pump (5). The thermal management system (1, 1a, 1b, 41, 51, 61) comprises a ram air channel (8) comprising a ram air inlet door (9). The ram air channel (8) is arranged to provide cooling to the heat exchanger (6) by ram air cooling when the ram air inlet door (9) is open. The thermal load (4) is an electric motor (13) with at least two associated motor controllers (14) connected in parallel with the electric motor (13). The invention also relates to an electric aircraft (23) comprising a thermal management system.
Resumen de: US20260341919A1
A secondary battery includes a wound-type electrode group 20 configured of a first electrode 21 and a second electrode 25 wound with a separator 29 therebetween, each of which has a sheet shape that is long in a first directional D1. The first electrode 21 includes a first current collector 22 having sheet shape that is long in the first directional D1. The first current collector 22 includes a first exposed portion 23 located at one end thereof in a second direction D2 perpendicular to the first direction D1. The secondary battery further includes a first current collecting member connected to the first exposed portion 23 to be conductive to the first current collector 22. A plurality of first slits 23a are formed in an area of the first exposed portion 23 located between the opposite ends thereof in the second directional D2. The first slits 23a are not formed at the opposite ends of the first exposed portion 23 in the second directional D2. Accordingly, stress at the joint generated during charging and discharging can be reduced.
Resumen de: US20260341678A1
A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode contains a negative electrode active material. The negative electrode active material contains a silicon-containing material and a graphite material. The single particle fracture strength of the graphite material is in a range of 10 to 40 MPa, and the single particle fracture strength of the silicon-containing material is in a range of 350 to 550 MPa. A secondary battery having a high capacity retention rate after charge-discharge cycles can be thus provided.
Resumen de: US20260341882A1
A battery pack including a plurality of battery cells in a battery pack housing; a fixing unit in the battery pack housing to fix the plurality of battery cells using a magnetic force, and a busbar assembly to electrically connect the plurality of battery cells. The fixing unit includes a plurality of first members respectively attached and coupled to the battery cells by the magnetic force, a second member attached and coupled to the plurality of first members by the magnetic force. The busbar assembly includes a base busbar patterned and formed on a surface of the plurality of first members and a surface of the second member; and a plurality of electrode contact ends patterned and formed on a lower surface of the plurality of first members. The electrode contact ends contact respective electrodes of the battery cells and are connected to the base busbar.
Resumen de: US20260341740A1
The invention relates to a current collector for an electrical power storage system or electricity generation system comprising an electronically conductive substrate, an electrically non-conductive polymer matrix, and carbon nanotubes. These nanotubes comprise a first end attached to the surface of the electronically conductive substrate and electrically connected to the latter, as well as a second end, opposite the first end, capable of collecting the current from an electrode, so as to create on the surface of the electronically conductive substrate a layer comprising a plurality of collection regions, which are electrically insulated from one another by intermediate zones of the electrically non-conductive polymer matrix. Each collection region comprises a plurality of the carbon nanotubes, and the set of second ends of the carbon nanotubes in each collection region protrudes beyond the surface of the electrically non-conductive polymer matrix.
Resumen de: US20260341691A1
The present invention relates to a method of preparing a lithium secondary battery which includes steps (1) to (3) below. (1) preparing a first positive electrode active material by mixing a small particle lithium composite transition metal oxide having an average particle diameter (D50) of less than 7 μm with a boron-containing raw material and performing a heat treatment;(2) preparing a second positive electrode active material by mixing a large particle lithium composite transition metal oxide having an average particle diameter (D50) of 8 μm or more with a cobalt-containing raw material and a boron-containing raw material and performing a heat treatment;(3) mixing the first positive electrode active material and the second positive electrode active material to prepare a positive electrode material having a bimodal particle diameter distribution.
Nº publicación: US20260341801A1 29/10/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Resumen de: US20260341801A1
An electrode assembly includes a first electrode; a second electrode; a first separation membrane interposed between the first electrode and the second electrode, wherein the first electrode, the second electrode, and the first separation membrane are wound together to form a jelly-roll structure; and an auxiliary separation membrane disposed between the first electrode and the first separation membrane in a center of the jelly-roll structure. The auxiliary separation membrane overlaps and directly contacts the first separation membrane and overlaps an end of the first electrode at the center of the jelly-roll structure without extending beyond the first separation membrane.
BOPI
Sede Electrónica
