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LOW-VOLTAGE LITHIUM BATTERY

Resumen de: US2025253388A1

The present application relates to a low-voltage lithium battery, including a circuit assembly, a middle plastic frame, a wound battery core assembly, a metal housing and an insulating sheath, wherein the circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a positive copper ring and a negative copper ring, the positive copper ring is electrically connected with the outer conductive cap, the negative copper ring is electrically connected with the metal housing, a back surface of the PCB is provided with a high-voltage input copper ring, the high-voltage input copper ring is electrically connected with the inner conductive cap, a positive tab of the wound battery core assembly is electrically connected with the inner conductive cap, and a negative tab is electrically connected with the metal housing.

RECHARGEABLE BATTERY

Resumen de: US2025253500A1

A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator, a current collecting plate electrically connected to one of the first electrode and the second electrode, a case accommodating the electrode assembly and the current collecting plate therein, and a cap plate coupled to an end of the case to seal the case. The current collecting plate includes a flat outer surface and an inner surface including a plurality of welding parts protruding toward the electrode assembly.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025253508A1

Provided are a battery cell, a battery, and an electric device. The battery cell includes a housing, an electrode assembly, a first insulating member, and a support frame. The housing is provided with a first wall, and the electrode assembly is accommodated within the housing. The electrode assembly includes a main portion. Along a thickness direction of the first wall, the first insulating member is provided on a side of the first wall facing the electrode assembly. Along the thickness direction of the first wall, the support frame is arranged between the main portion and the first insulating member, and the support frame is thermally fused to the first insulating member.

LIQUID INJECTION DEVICE

Resumen de: US2025253509A1

A liquid injection device includes a liquid injection assembly, a first driving mechanism, and a carrying mechanism. The liquid injection assembly includes a liquid injection body and a liquid injection head arranged on the body. The first driving mechanism is configured to drive the liquid injection assembly to move. The carrying mechanism is configured to carry a replaceable wiping member. The carrying mechanism cooperates with the first driving mechanism, so that the liquid injection head comes into contact with a different position on the replaceable wiping member, and then the liquid injection head is wiped.

SOLID STATE BATTERY, METHOD OF MANUFACTURING THE SAME, AND BATTERY MODULE

Resumen de: US2025253488A1

The solid state battery of the present disclosure includes an electrode stack. The electrode stack includes a first current collector layer, a first electrode active material layer, a solid electrolyte layer, a second electrode active material layer, and a second current collector layer in this order. The electrode stack has a main body region and a tapered region formed at an end. An insulating member is disposed from at least a part of the inclined surface of one of the tapered regions through the end surface of the electrode stack and over at least a part of the other inclined surface. The length of the insulating member in the stacking direction of the electrode stack is smaller than the thickness of the main body region.

ELECTRODE STACK AND BATTERY

Resumen de: US2025253507A1

The present disclosure provides an electrode stack that is resistant to peeling of anchoring members disposed on side sections thereof, as well as a battery comprising the electrode stack. As exemplified in FIG. 1, in the electrode stack 10 of the disclosure, a positive electrode collector layer 11, a positive electrode active material layer 12, an electrolyte layer 13, a negative electrode active material layer 14 and a negative electrode collector layer 15 are stacked in that order. In the electrode stack 10 of the disclosure, anchoring members 20 comprising a curable resin are disposed on side sections thereof. Among the layers of the electrode stack 10 of the disclosure, the positive electrode collector layer 11 and/or negative electrode collector layer 12 each have recesses 10a on the sides where the anchoring members 20 are disposed, with parts of the anchoring members 20 intruding into the recesses 10a.

BATTERY MANUFACTURING SYSTEM AND BATTERY MANUFACTURING METHOD

Resumen de: US2025253384A1

Systems and methods for manufacturing a battery are disclosed. One system may include: a first cutter configured to cut a first electrode sheet into a first electrode portion having a first length, the first electrode sheet comprising a first coated portion; a second cutter configured to cut a second electrode sheet into a second electrode portion having a second length, the second electrode sheet comprising a second coated portion; a winder configured to wind the first electrode portion, the second electrode portion, and a separator to form an electrode assembly; and an identification information assigning device configured to assign identification information to the electrode assembly based on: a cut count value of the first electrode sheet and/or a cut count value of the second electrode sheet; and/or a first pattern indication of the first electrode sheet and/or a second pattern indication of the second electrode sheet.

BATTERY COOLING SYSTEM FOR A BATTERY ELECTRIC VEHICLE

Resumen de: US2025253446A1

A battery cooling system may include a battery housing configured to be coupled to a chassis of the battery electric vehicle. A battery cooling system may include a plurality of battery cells positioned within the battery housing, each of the plurality of battery cells including a pole. A battery cooling system may include a liquid cooling plate arranged in thermal communication with the poles of the plurality of battery cells. A battery cooling system may include a liquid cooling system providing coolant to the liquid cooling plate. A battery cooling system may include an airflow passageway defined between the battery housing and the plurality of battery cells. A battery cooling system may include a vehicle heating, ventilation, and air conditioning (HVAC) system providing cooled air to the airflow passageway.

Battery End Plate of a Battery

Resumen de: US2025253382A1

A battery end plate includes a cap, a current collector, and a terminal. The cap has an interior face, an exterior face opposite the interior face, and a top side extending between the interior face and the exterior face. A passageway extends in a vertical direction into the top side and a slot extends in a longitudinal direction perpendicular to the vertical direction into the interior face. The passageway communicates with the slot between the interior face and the exterior face. The current collector has a tab and is disposed on the interior face; the tab extends into the slot. The terminal is disposed in the passageway and is electrically connected with the tab of the current collector.

MICROMACHINED ELECTROLYTE SHEET

Resumen de: US2025253392A1

Lithium-containing polycrystalline ceramic sheets include grains having an average grain size of less than 5 μm, a relative density greater than 90%, and a thickness of up to 200 μm. In aspects, the lithium-containing polycrystalline ceramic sheets include an outer edge of the sheet that has no height variations greater than 1 mm from baseline in a perimeter trace. In aspects, the lithium-containing polycrystalline ceramic sheets include microstructural features of an outer edge of the sheet are no greater than about 1⁄3 the thickness of the sheet. In aspects, the lithium-containing polycrystalline ceramic sheets include an outer edge of the sheet that is enriched in lithium relative to a bulk of the sheet.

WINDING DEVICE AND WINDING METHOD

Resumen de: US2025253381A1

The embodiments of the application provide a winding device and a winding method. The winding device includes a winding member, a traction member, a detection mechanism and an adjustment mechanism. The winding member is used to wind an electrode sheet and a separation membrane. The traction member is used to pull the separation membrane passing through the winding member, and the traction member is configured to release the separation membrane when the winding member winds the electrode sheet and the separation membrane. The detection mechanism is used to sense a tension change of the separation membrane located between the winding member and the traction member. The adjustment mechanism is configured to adjust a tension of the separation membrane according to the tension change of the separation membrane sensed by the detection mechanism.

BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025253506A1

A battery and an electrical device are disclosed. The battery includes a plurality of battery cells. At least two of the battery cells are disposed opposite to each other. At least one electrode post of the two battery cells disposed opposite to each other is located on one side of each of two battery cells, where the one side of one battery cell is oriented toward the one side of the other battery cell. An insulation structure is disposed between the two battery cells disposed opposite to each other. At least a part of the insulation structure is located between the electrode posts of the two battery cells, the electrode posts being oriented toward each other.

BATTERY CELL AND BATTERY DEVICE INCLUDING THE SAME

Resumen de: US2025253505A1

A battery cell includes an electrode assembly in which a plurality of separators and a plurality of electrode plates including a plurality of electrode tabs are stacked in a first direction, a cell case accommodating the electrode assembly, a cap plate assembly covering an open end of the cell case and including an electrode terminal, and a current collector electrically connecting the plurality of electrode tabs and the electrode terminal. The plurality of electrode tabs include bent portions having a bend shape. The bent portions are arranged in a layered manner in the first direction. The current collector is welded to a plurality of the bent portions, while being disposed to face a second direction, intersecting the first direction.

POWER STORAGE DEVICE AND VEHICLE

Resumen de: US2025253485A1

A power storage device includes: a power storage module including a first power storage stack and a second power storage stack that are disposed at a distance from each other in a Y direction; a case that accommodates the power storage module; a pressure relief valve; and a breathable membrane. The case includes an upper cover that covers the power storage module from above. The upper cover is provided with a recess that is recessed downward to a space between the first power storage stack and the second power storage stack. Each of the pressure relief valve and the breathable membrane is disposed in the recess.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025253498A1

This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, a housing, and a current collecting member. The electrode assembly includes a first tab; the housing is configured to accommodate the electrode assembly; and the current collecting member is accommodated in the housing, the current collecting member is electrically connected to the first tab, and the current collecting member is connected to the housing by welding.

BATTERY

Resumen de: US2025253499A1

Disclosed is a battery. A packaging housing includes a main portion and a protruding portion. Along a first direction, the main portion includes a first end face, and the protruding portion is provided on the first end face. A first mounting cavity is provided in the main portion. A second mounting cavity in communication with the first mounting cavity is provided in the protruding portion. A projection of the protruding portion in the first direction is located in the first end face. A cell main body is arranged in the first mounting cavity. A tab assembly is connected to the cell main body and located in the second mounting cavity. A connecting assembly is disposed on the protruding portion and connected to the tab assembly. A projection of the connecting assembly in the first direction is located in the first end face.

METHOD FOR SEPARATING THE ELECTRODE MATERIALS FROM THE CURRENT COLLECTOR IN ELECTRODES FROM SPENT LITHIUM-ION BATTERIES

Resumen de: US2025253423A1

The present invention relates to a method for separating the electrode materials from the current collector in a battery electrode, said method comprising: a—providing at least one electrode said electrode comprising a current collector and a layer of electrode material adhered onto said current collector, said layer of electrode material comprising electro active materials in powder form and a binder b—contacting said electrode to a gas or a supercritical fluid at a pressure of (60) to 300 bar, c—rapidly decreasing the pressure of said gas or supercritical fluid of at least (60) bar within (30) seconds or less thereby causing rapid decompression of said gas.

BATTERY CELL, BATTERY, AND ELECTRICAL EQUIPMENT

Resumen de: US2025253448A1

Provided are a battery cell, battery, and an electrical equipment. The battery cell includes a housing and a first insulating member. The housing provides a welding mark region. The first insulating member is arranged on an outer surface of the housing, and the first insulating member provides a first thickened region, wherein the first thickened region covers at least a portion of the welding mark region. This reduces the risk of the welding mark region piercing through the first insulating member, which could cause insulation failure of the battery cell. Thus, the insulation performance of the battery cell is improved.

Electrochemical Cell Assembly with Insert

Resumen de: US2025253377A1

The invention relates to an electrochemical cell assembly including a first end plate assembly, a stack of cell repeat units, and a second end plate assembly. The stack is held in a compressed state between the first end plate assembly and the second end plate assembly. The first end plate assembly and/or the second end plate assembly each include an end plate. The electrochemical cell assembly includes an insulation plate located between the end plate and the stack. At least one through-hole is provided in the insulation plate and a sealing insert is provided in the at least one through-hole of the insulation plate, the sealing insert defining a fluid pathway along the stacking direction. The invention also relates to an end plate assembly and a method of manufacturing an electrochemical cell assembly.

BATTERY CELL STACKING JIG FOR SECONDARY BATTERY

Resumen de: US2025253379A1

Provided is a battery cell stacking jig for stacking a plurality of battery cells of a secondary battery. Additionally, the battery cell stacking jig can include a fork supporting both ends of the battery cells so that the plurality of battery cells are seated therein, and the fork is disposed in a plurality at a certain distance apart with respect to a horizontal direction. The battery cell stacking jig can further include a gripper movably provided on an upper portion of the fork, and disposed in a plurality with respect to the horizontal direction, and being configured to load a battery cell perpendicularly to the fork such that the battery cell is seated in the fork, and a transfer connected to the plurality of grippers and configured to move the grippers to the upper portion of the fork.

BATTERY INSULATION SYSTEM FOR A HYBRID OR ELECTRIC VEHICLE

Resumen de: US2025253442A1

A battery includes a plurality of cells and a plurality of thermal barriers. The plurality of cells is configured to store electrical energy. Each of the thermal barriers is disposed between adjacent cells of the plurality of cells. Each thermal barrier includes solid regions and defines cutouts between the solid regions. Each solid region and each cutout within each thermal barrier are aligned along a plane. Each solid region and each cutout within each thermal barrier have a dimension that is perpendicular to the plane and extends between the corresponding adjacent cells.

BATTERY-POWERED STAND-ALONE MOTOR UNIT

Resumen de: US2025253741A1

A motor unit includes a housing, an electric motor arranged in the housing, a battery pack, a first plurality of holes defining a first hole pattern, a first power take-off shaft, a gearbox with a first gear train, and an external gearbox with a second gear train configured to receive torque from the first power take-off shaft. The external gearbox includes a second plurality of holes defining a second hole pattern, a second power take-off shaft receiving torque from the second gear train, and a third plurality of holes defining a third hole pattern that is identical to a fourth hole pattern on the piece of power equipment. When the external gearbox is coupled to the side of the housing and the piece of power equipment, the second power take-off shaft receives torque from the motor via the first gear train, first power take-off shaft, and second gear train.

TERMINAL BLOCK, TERMINAL BLOCK ASSEMBLY AND BATTERY MODULE

Resumen de: US2025253490A1

A terminal block, a terminal block assembly and a battery module are provided. The terminal block includes at least two cell connection bodies and a terminal connection body. The at least two cell connection bodies are arranged at intervals, and the cell connection bodies are configured to connect with poles of cells. The terminal connection body is connected between two adjacent cell connection bodies. The cell connection body is provided with an accommodating groove, which is configured to accommodate and mount a temperature sensor.

INTEGRATION OF SECOND-USE OF LI-ION BATTERIES IN POWER GENERATION

Resumen de: US2025253692A1

A method of managing second use batteries incudes communicating an external load demand to battery management modules (BMMs) of first use batteries and second use batteries; communicating, by each of the BMMs, the state of health (SoH) of the respective first or second use battery to the other BMMs; by the BMMs of the first use batteries with highest SoH, engaging the first use batteries to meet the external load demand, wherein the highest SoH is determined by the BMMs by ranking the SoH of each battery relative to the other batteries; and by the BMMs of the second use batteries, setting a discharge limit for each of the second use batteries based on the SoH of the respective second use battery, and controlling the second use batteries to supply currents not to exceed the discharge limits of the respective second use batteries to load-share with the first use batteries.

BATTERY DIAPHRAGM AND LITHIUM BATTERY PREPARED THEREFROM

Nº publicación: US2025253486A1 07/08/2025

Solicitante:

SHANGHAI ENERGY NEW MATERIALS TECH CO LTD [CN]
SHANGHAI ENERGY NEW MATERIALS TECHNOLOGY CO., LTD

Resumen de: US2025253486A1

The present application provides a battery diaphragm, including: a porous substrate and an adhesive layer formed on the side of the porous substrate. The adhesive layer includes a polymer material with an adhesive property. The adhesive layer has a coating coefficient C. The coating coefficient C is equal to a ratio of the adhesive strength A of the adhesive layer to a value P of an increase in gas permeability per unit coating thickness of the adhesive layer. A relation C=A/P is satisfied. The coating coefficient C has a ratio in a range of 0.3