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Asymmetric Battery Having a Semi-Solid Cathode and High Energy Density Anode

Resumen de: US2025279467A1

Embodiments described herein relate generally to devices, systems and methods of producing high energy density batteries having a semi-solid cathode that is thicker than the anode, An electrochemical cell can include a positive electrode current collector, a negative electrode current collector and an ion-permeable membrane disposed between the positive electrode current collector and the negative electrode current collector. The ion-permeable membrane is spaced a first distance from the positive electrode current collector and at least partially defines a positive electroactive zone. The ion-permeable membrane is spaced a second distance from the negative electrode current collector and at least partially defines a negative electroactive zone. The second distance is less than the first distance. A semi-solid cathode that includes a suspension of an active material and a conductive material in a non-aqueous liquid electrolyte is disposed in the positive electroactive zone, and an anode is disposed in the negative electroactive zone.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: US2025279512A1

A battery cell, a battery, and an electric device are disclosed. The battery cell includes a shell, lead-out components, electrode assemblies and an insulating bracket. The shell has a first wall, and the lead-out components are connected to the first wall. The electrode assemblies are accommodated in the shell. The electrode assembly includes a main body and tabs. The tabs are provided protruding from one end of the main body facing the first wall. The tabs are connected to the lead-out components. In the thickness direction of the first wall, the insulating bracket is provided between the first wall and the main body, and the insulating bracket is fixedly connected to the lead-out components. For the battery cell of this structure, the insulating bracket can be fastened to the first wall, such that the insulating bracket is fixed in the shell.

ELECTROLYTE FOR LITHIUM IRON PHOSPHATE BATTERY, AND LITHIUM IRON PHOSPHATE BATTERY

Resumen de: US2025279473A1

An electrolytic solution for a lithium iron phosphate battery, and a lithium iron phosphate battery. The electrolytic solution includes a solvent, a lithium salt, a first additive and a second additive.

ELECTRODE PLATE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US2025279432A1

An electrode plate for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The electrode plate for rechargeable lithium batteries includes a current collector and an active material layer on the current collector, wherein the active material layer includes an active material; and a crosslinked product of a binder and a crosslinking agent. The binder includes a polyimide based binder, and the crosslinking agent includes at least one of a diamine based compound, an amino alcohol based compound, and a dialcohol based compound.

BATTERY MODULES AND SYSTEMS FOR REMOTE COMMAND AND CONTROL OF SAME

Resumen de: US2025279489A1

Described are remote command-enabled battery modules and systems and methods incorporating them.

Battery Pack

Resumen de: US2025279490A1

A battery pack, which includes a pack connector having a simple structure and effectively preventing the inflow and outflow of noise. The battery pack includes a cell assembly having at least one secondary battery; a battery control unit configured to control a charging and discharging operation of the cell assembly; a pack case configured to accommodate the cell assembly and the battery control unit in an inner space thereof; and a pack connector connected to the battery control unit through a control cable and including a connection port provided to at least one side of the pack case to be exposed out for the connection with a connecting terminal of an external device and a filtering member embedded therein to filter noise on an electric path between the connection port and the control cable.

Secondary Battery

Resumen de: US2025279421A1

The present disclosure relates to a secondary battery including a positive electrode, a negative electrode, a separator disposed between the negative electrode and the positive electrode, and an electrolyte. The positive electrode includes a positive electrode active material comprising a lithium cobalt-based oxide particles and a metal with which the lithium cobalt-based oxide particles are doped or coated. The metal includes aluminum (Al), magnesium (Mg), titanium (Ti), and zirconium (Zr). The metal includes titanium (Ti) and zirconium (Zr) in an amount of 300 ppm to 1,500 ppm with respect to a weight of the positive electrode active material, the metal includes aluminum (Al) in an amount of 3,000 ppm to 7,000 ppm with respect to a weight of the positive electrode active material, and the negative electrode includes a carbon-based active material and a silicon-based active material.

Electrode, Secondary Battery Comprising the Same, and Method for Preparing the Same

Resumen de: US2025279484A1

Provided is a high-density electrode and a method of manufacturing the same. An electrode for a secondary battery includes an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector. The electrode active material layer includes an H1 region, an H2 region and an H3 region sequentially provided from an end of the electrode active material layer toward a center. The H2 region includes an inclined section in which a thickness increases from the H1 region toward the H3 region, and the electrode satisfies the following formulas (1) and (2), 0.2≤h1/h2≤0.7 . . . (1), h2/h3≥0.9 . . . (2), where h1 is an average thickness of the H1 region, h2 is an average thickness of the H2 region, and h3 is an average thickness of the H3 region.

WIDE OPERATING TEMPERATURE RANGE SECONDARY LITHIUM-ION BATTERIES

Resumen de: US2025279472A1

A wide operating temperature range secondary lithium-ion battery designed is provided. The battery incorporates a cathode with lithium-based materials, including lithium manganese oxide, lithium cobalt oxide, lithium nickel manganese cobalt oxide, or lithium iron phosphate, and an anode with materials such as silicon, silicon oxide, carbon nanotubes, lithium metal, graphene, or graphite. A porous polymer separator, with porosity ranging from approximately 30% to 90%, ensures efficient ion transport. The non-aqueous electrolyte is composed of two or more lithium salts, including LiPF6, and a solvent mixture of carbonates and carboxylate esters with an asymmetric molecule structure. An electrolyte additive is introduced to synergistically react with the electrolyte solvents, forming a stable solid electrolyte interphase enriched with inorganic lithium components, surpassing organic lithium components. This battery configuration results in a lithium-ion battery with an extended operating temperature range from −35° C. to 85° C. for reliable energy storage under varying environmental conditions.

POSITIVE ELECTRODE ADDITIVE FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING SAME

Resumen de: US2025279434A1

Provided is a positive electrode additive containing an excess of lithium, the positive electrode additive being capable of demonstrating the inherent effect thereof when exposed to air through the coating of the surface of the positive electrode additive with a hydrophobic material and an ion-conductive material to achieve the effects of preventing the formation of impurities such as Li2CO3, LiOH, and the like generated on the surface of the positive electrode additive when left in air.

CASING MATERIAL FOR POWER STORAGE DEVICE, PRODUCTION METHOD THEREFOR, AND POWER STORAGE DEVICE

Resumen de: US2025279511A1

A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ΔE of no more than 0.20 in a rigid body pendulum measurement at 140° C.

BATTERY PACK

Resumen de: US2025279525A1

A battery pack includes a battery cell stack in which a plurality of battery cells are stacked and battery cell junctions are disposed between the battery cells. Each of the battery cell junctions includes a first tape arranged to correspond to an edge of a surface of one of the battery cells and a second tape arranged to correspond to a central portion of the surface of the one of the battery cells. The first tape and the second tape form a single layer and are spaced apart from each other.

SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279474A1

A secondary battery comprises a negative electrode sheet and an electrolyte; where the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; and the electrolyte contains a first component, the first component containing at least one of compounds represented by formula I and formula II.

ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: US2025279486A1

An all-solid-state secondary battery includes a laminate wherein a positive electrode layer containing a positive electrode active material and a negative electrode layer containing a negative electrode active material are laminated with a solid electrolyte layer therebetween, and a positive electrode external terminal attached to the positive layer on a first surface of the laminate and a negative electrode external terminal attached to the negative layer on a second surface. The positive layer extends from the first surface to the second, the negative layer extends from the second surface to the first. In the laminate, a void is formed in at least one region of a region surrounded by the positive layer and first surface, a region surrounded by the positive layer, solid layer, and first surface, a region surrounded by the negative layer and second surface, and a region surrounded by the negative layer, solid layer, and second surface.

BATTERY SYSTEM, CHARGING CONTROL DEVICE, AND BATTERY PACK CHARGING METHOD

Resumen de: US2025279496A1

A battery system comprises: a battery pack comprising at least one battery cell, and a temperature sensor, a battery management system and a heating apparatus, wherein a positive-electrode active material of the battery cell comprises a lithium-containing transition metal phosphate, the lithium-containing transition metal phosphate at least comprising a manganese element; the temperature sensor is used for acquiring the temperature of the battery cell; and the battery management system is used for acquiring a first state parameter of the battery cell before and/or during a charging process of the battery cell, the first state parameter of the battery cell being used for generating a control instruction for the heating apparatus, and the control instruction being used for controlling the heating apparatus to heat the battery cell.

LITHIUM SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279430A1

A lithium secondary battery includes positive and negative electrode plates. The positive-electrode active material layer includes a positive-electrode active material Li1+aM1bFe1-cAcP1-dEdO4 with a mass ratio of not less than 85 wt %. The negative-electrode active material layer includes graphite with a mass ratio of not less than 85 wt %. Areal density, CWc in g/1540.25 mm2, and reversible lithium capacity, Dc in mAh/1540.25 mm2, of the positive-electrode active material layer on one side of the positive electrode plate, reversible lithium capacity, Da in mAh/1540.25 mm2, of the negative-electrode active material layer on the side of the negative electrode plate facing the positive electrode plate, first lithiation capacity, Ca in mAh/1540.25 mm2, of the negative-electrode active material layer on the side of the negative electrode plate away from the positive electrode plate, and conductivity, ρ at 25° C. in S/cm, of the electrolyte solution satisfy equations 1 and 2 described in the disclosure.

BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025279500A1

A battery includes a battery cell and a thermal management component. The battery cell includes a first surface and a second surface, and the thermal management component includes a first thermal management component and a second thermal management component. The first thermal management component is arranged on the first surface, and the first thermal management component is configured to adjust the temperature of the battery cell. The second thermal management component is arranged on the second surface, and the second thermal management component is configured to adjust the temperature of the battery cell.

SYSTEMS AND METHODS FOR IMPROVED SPATIAL COMPUTING SYSTEMS

Resumen de: US2025279497A1

A method for improved heat discharge may include sensing a temperature value of a battery circuit; activating a heat dissipation element within the battery circuit when the temperature value reaches a threshold; discharging heat from the battery circuit via the activated heat dissipation element; and deactivating the heat dissipation element when the temperature value falls below the threshold.

PARTITIONING A BATTERY ARRAY FOR DEDICATED POWERING OF IN-WHEEL ELECTRIC MACHINES

Resumen de: US2025279487A1

Architectures or techniques are provided for partitioning the battery cell array of an electric vehicle into distinct battery groups or partitions that independently power in-wheel electric machines or motors in a dedicated manner. Instead of the entire battery cell array being used to power all in-wheel electric machines with independent control being managed by in-wheel inverters, the various battery partitions can be respectively dedicated to powering a different in-wheel electric machine or machines. Thus, in-wheel inverters and associated components can be removed or reduced, as independent control can be effectuated by independent partitions instead of independent inverter systems.

HEAT EXCHANGE ASSEMBLY, BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025279504A1

A heat exchange assembly, a battery and an electrical device are disclosed. The heat exchange assembly includes a current collecting piece and a plurality of heat exchange pieces. The heat exchange piece is constructed with a first flow channel and a first joint portion communicating with the first flow channel. The current collecting piece is constructed with a second flow channel and a plurality of second joint portions. The plurality of second joint portions each communicate with the second flow channel and are configured to be connected to the first joint portions of the plurality of heat exchange pieces respectively, such that the second flow channel of the current collecting piece communicates with the first flow channels of the plurality of heat exchange pieces. When the heat exchange assembly and battery units form a group, the assembly procedure is simple, and the assembly and fabrication efficiency is high.

SECONDARY BATTERY AND POWER CONSUMING APPARATUS

Resumen de: US2025279475A1

A secondary battery includes a negative electrode plate and an electrolyte solution. The negative electrode plate includes a silicon-carbon composite material having a three-dimensional cross-linked pore network structure. The electrolyte solution includes a first component, and the first component includes one or more of compounds represented by Formula (I) and Formula (II) in this disclosure, in which R1, R2, R3, and R4 includes at least one of a hydrogen atom, a fluorine atom, and a fluorine-substituted or fluorine-unsubstituted C1-C4 alkyl group, and Formula (I) includes fluorine element.

BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025279519A1

A battery and an electrical device. The battery includes: a battery cell; a first box, where the first box includes a first end wall and a first side wall; and a second box, where the second box and the first box are connected to each other to jointly enclose and form a closed space for accommodating the battery cell, the second box includes a second end wall, the second end wall is disposed opposite to the first end wall along a first direction, the second box has a first side surface in a second direction, and the first direction intersects with the second direction. One end of the first side wall is connected to the first end wall, and the other end of the first side wall is connected to the first side surface.

BATTERY PACK

Resumen de: US2025279520A1

A battery pack is provided with a tape unit and battery cells disposed on both sides of the tape unit. The battery cells include a first battery cell group disposed on a first surface of the tape unit, and a second battery cell group disposed on a second surface of the tape unit, wherein the battery cells in the first battery cell group are arranged alternately with the battery cells in the second battery cell group with respect to a direction of the tape unit. The tape unit is folded in a zigzag manner to form a battery cell stack.

VERSATILE RECHARGEABLE ENERGY STORAGE SYSTEM TRAY COOLING

Resumen de: US2025279495A1

A vehicle includes a vehicle chassis supported by four wheels. At least one electric motor provides drive torque to at least one of the four wheels. A rechargeable energy storage system is supported by the vehicle chassis and provides electricity to the electric motor. The rechargeable energy storage system includes a housing and a plurality of battery cells disposed within the housing. A base of the housing includes an extruded aluminum tray assembly having liquid coolant passages extending through the aluminum tray assembly and air cooling fins extending from a bottom of the extruded aluminum tray assembly.

FOIL RECOVERY APPARATUS

Nº publicación: US2025279492A1 04/09/2025

Solicitante:

HITHIUM TECH HK LTD [HK]
Hithium Tech HK Limited

Resumen de: US2025279492A1

A foil recovery apparatus is provided and includes a base, a conveying device, and a collecting device. The conveying device includes a conveyor belt and a first roller set. The first roller set includes a first conveying roller and a second conveying roller. The conveyor belt is driven around the first conveying roller and the second conveying roller for transmission. The collecting device includes a storage bin and a carrying platform. The storage bin includes a pushing plate and defines a receiving cavity. The storage bin defines a first opening. The pushing plate and the first opening are located on two opposite sides of the receiving cavity, respectively, and the first opening is opposite to the pushing plate. The carrying platform includes a pressing plate. The storage bin is disposed at one side of the second conveying roller away from the first conveying roller.