Alerta

ELECTRODE FOR RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY INCLUDING THE SAME

Resumen de: US2025336981A1

An electrode for a rechargeable battery according to one or more embodiments of the present disclosure includes: a substrate; and an active material layer that is formed on the substrate, includes a plurality of holes, and includes a first density portion and a second density portion. The first density portion has a higher density than that of the second density portion, the second density portion has a lower density than that of the first density portion, and the second density portion is disposed at both sides (e.g., opposite sides) of the first density portion.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE INCLUDING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US2025336944A1

A positive electrode active material for a rechargeable lithium battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode active material includes first particles comprising a compound of Lia1Fex1B1y1PO4-b1 and having a first average particle diameter, and second particles comprising a compound of Lia2Nix2COy2Mnz2Xc2O2-b2 and having a second average particle diameter that is greater than the first average particle diameter. The content (e.g., amount) of the first particles is greater than the content (e.g., amount) of the second particles in the positive electrode active material.

MATRIX, ANODE MATERIAL, AND SECONDARY BATTERY

Resumen de: US2025333310A1

A matrix, an anode material, and a secondary battery. The matrix has pores. The matrix includes a carbon material. An average value D0 of particle sizes of the matrix is 5.5 μm to 9.5 μm, and a standard deviation S0 of the particle sizes of the matrix is 0.08 to 0.35. The anode material includes the matrix and an active substance. The matrix has the pores, and at least partial active substance is disposed in the pores of the matrix. An average value D1 of particle sizes of the anode material is 5.5 μm to 9.5 μm, and a standard deviation S1 of the particle sizes of the anode material is 0.1 to 0.35.

METHOD FOR PRODUCING LITHIUM DIFLUOROPHOSPHATE

Resumen de: US2025333318A1

A method for producing lithium difluorophosphate includes reacting a fluorine source and a phosphoryl halide represented by Formula 1 in a first organic solvent to obtain a reaction product and reacting the reaction product, a lithium source, and an oxygen source in a second organic solvent. Each of the fluorine source, the lithium source and the oxygen source may have a moisture content of less than 1,000 ppm based on the weight thereof.

MODULE PRESSURIZATION AND RESTING LINE AND SCHEDULING METHOD THEREFOR

Resumen de: US2025333253A1

A module pressurization and resting line includes a plurality of pressurization lines, a resting line, and a resting transfer device, and each pressurization line is provided with a pressurization output end; the resting line is provided with a resting input end; the resting transfer device includes a first transfer turntable and a second transfer turntable, where the first transfer turntable is disposed between one of the pressurization output ends and the resting input end, and the first transfer turntable, along its rotational circumferential direction, is capable of being in transfer communication with the resting input end; the second transfer turntable is disposed between the other pressurization output ends and the first transfer turntable, and the first transfer turntable and the second transfer turntable, along their respective rotational circumferential directions, are each provided with a first position and a second position.

GAP FILLER COMPOSITION AND BATTERY PACK

Resumen de: US2025333582A1

A gap filler composition according to an embodiments includes a siloxane-based resin, a filler, and a catalyst. After application under conditions of 23° C. and 50% relative humidity, the Shore 00 hardness measured after leaving for 60 minutes and the Shore 00 hardness measured after leaving for 120 minutes are in the range of 40 to 70. The gap filler composition can be used to manufacture a vehicle battery pack including a gap filler having improved thermal stability and process properties.

NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE PLATE, AND BATTERY

Resumen de: US2025333311A1

A negative electrode material has a core-shell structure. The shell includes a carbon layer, the core includes porous carbon and silicon particles distributed in the pores of the porous carbon, and the negative electrode material has a weight-gain peak between 400° C. and 900° C. on a derivative thermogravimetric curve of the negative electrode material.

OPERATING SYSTEM FOR MULTIPLE BATTERY SYSTEMS

Resumen de: US2025333087A1

A battery system positioned on a locomotive powered by a diesel engine includes a first battery and a second battery, the first battery and the second battery being lithium-ion batteries, wherein the first battery or the second battery are in electrical connection with a starter of the diesel engine. The first battery and second battery each include a control chassis and a plurality of cells, wherein the plurality of cells are arranged into modules. The battery system also includes a battery control panel, the battery control panel including at least one Human Machine Interface (HMI) and a first switch and a second switch, the first switch in electrical communication with the first battery and a second switch, the second switch in electrical communication with the second battery.

BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2025222457A1

The present invention relates to a battery pack (100) and an electric device. The battery pack (100) comprises a first housing (10), a battery cell assembly (20), a first member (30) and a top cover (40). The battery cell assembly (20) is arranged in the first housing (10), and comprises a plurality of battery cells (21). The first member (30) and the battery cell assembly (20) are arranged in a first direction, and the first member (30) comprises a bottom wall (31) and a plurality of side walls (32), wherein the side walls (32) are connected to the bottom wall (31), each side wall (32) is provided with a first opening (32a), and each first opening (32a) penetrates the corresponding side wall (32). The top cover (40) is connected to the first housing (10), and the top cover (40) and the first member (30) form a first space (401). The first member (30) and the battery cell assembly (20) form a second space (301), and the first openings (32a) communicate the first space (401) and the second space (301). When the battery cell assembly (20) undergoes thermal runaway or pressure relief, a gas and/or flame enters the first space (401) from the second space (301) through the first openings (32a), which can extend a pressure relief path, and increase collision between the gas and the first member (30) and collision between the first member (30) and the flame, thereby lowering the temperature of the gas, and eliminating part of the flame, thus facilitating flame extinguishing, lowerin

SEALING ASSEMBLY FOR FLUID-IMMERSION SHREDDING CHAMBER

Resumen de: WO2025222283A1

A fluid-immersion shredder is provided. The shredder includes a wall structure defining a chamber configured to contain a liquid. At least a portion of the wall structure includes an interior wall adjacent an exterior wall, the interior wall and exterior wall having an opening therethrough. The shredder further includes a drive shaft extending through the opening and into the chamber. The shredder further includes a sealing assembly extending radially around the drive shaft at least in the area of the opening, the sealing assembly including a metal-faced seal assembly, such as a CAT® seal in the area between the opening in the exterior wall structure and the shaft.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: WO2025222456A1

A battery cell (100), a battery (1000), and an electrical apparatus (2000). The battery cell (100) comprises: an electrode assembly (20), the electrode assembly (20) comprising, arranged in a stacked configuration, a plurality of electrode sheets and a separator. In the stacking direction, the plurality of electrode sheets at least comprise a first electrode sheet (21) and a second electrode sheet (22) which are located at two opposite ends in the stacking direction, the second electrode sheet (22) comprising a main body part (221) and tabs (222). The side of the second electrode sheet (22) facing away from the first electrode sheet (21) is provided with a protection member (25), the protection member (25) covering at least a portion of the main body part (221) of the second electrode sheet (22) and extending to at least one edge of the main body part (221).

DRIVER CIRCUIT AND METHOD FOR A BATTERY MANAGEMENT SYSTEM

Resumen de: US2025337264A1

A driver circuit for a BMS and method are disclosed, comprising a series arrangement of at least a cell and at least a busbar, and comprising: a first and second voltage rail having a respective first and second terminals for connection to ends of one of the busbar and the cell; a power supply voltage rail, configured to operate at a voltage which is higher than the second voltage rail; a determination circuit, for detecting a lower of supply, LOS, being the one of the first and second voltage rail which is at a lower voltage, and drawing a first bias current from the power supply draw to the LOS; further analog circuit blocks drawing a second bias current from the power supply rail to the LOS; and a current sink circuit arrangement drawing the sum of the first and second bias currents, from the LOS to a ground.

PROTECTIVE APPARATUS, ENERGY STORAGE APPARATUS, AND METHOD FOR PROTECTING ENERGY STORAGE DEVICE

Resumen de: US2025337256A1

A protective apparatus of an energy storage device includes a current breaker that interrupts a current of the energy storage device, and a control part. The control part calculates a cumulative value of times during which the current exceeds a current threshold, and executes current interruption processing of interrupting the current when the calculated cumulative value exceeds a cumulative threshold associated with the current threshold, and the control part counts, as the cumulative value, times during which the current continuously exceeds the current threshold, and in a case where the current falls from a state of exceeding the current threshold, the control part does not reset the cumulative value when a time during which the current is below the current threshold is equal to or shorter than a reset time.

MOTOR CONTROL FOR GAS ENGINE REPLACEMENT DEVICE BASED ON BATTERY PACK CONFIGURATION DATA

Resumen de: US2025337302A1

A gas engine replacement device includes a housing, a battery receptacle coupled to the housing and configured to removably connect to a battery pack having a memory storing battery pack configuration data, a motor located within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of the housing, a power switching network configured to selectively provide power from the battery pack to the motor, and a first electronic processor coupled to the power switching network and configured to control the power switching network to rotate the motor. The first electronic processor is configured to receive the battery pack configuration data responsive to a connection of the battery pack to the battery receptacle and control the power switching network based on the battery pack configuration data.

BATTERY PACK CHARGING METHOD AND POWER STORAGE SYSTEM

Resumen de: US2025337254A1

A method of charging a battery pack is a method of charging a battery pack by charging, with one charger, a battery pack configured by connecting, in parallel, a plurality of storage batteries configured to store and release power, the method comprising: a detection step of detecting voltage and current values with respect to each of the storage batteries, which are connected in parallel; a determination step of determining whether or not a voltage detected for each of the storage batteries in the detecting step, is equal to or less than a first set voltage; and a charging step of charging the storage batteries, which are connected in parallel, wherein: in a first case, in which the voltages of all the storage batteries are determined to be equal to or less than the first set voltage in the determination step.

COMPOSITIONS AND METHODS FOR PARALLEL PROCESSING OF ELECTRODE FILM MIXTURES

Resumen de: US2025336974A1

Materials and methods for preparing electrode film mixtures and electrode films including reduced damage bulk active materials are provided. In a first aspect, a method for preparing an electrode film mixture for an energy storage device is provided, comprising providing an initial binder mixture comprising a first binder and a first active material, processing the initial binder mixture under high shear to form a secondary binder mixture, and nondestructively mixing the secondary binder mixture with a second portion of active materials to form an electrode film mixture.

SILICON-CARBON COMPOSITE MATERIAL, NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US2025336973A1

A silicon-carbon composite material includes a porous carbon skeleton and pores of the porous carbon skeleton contains a silicon material. The porous carbon skeleton satisfies: 1.5<(c−a)/b<5.0, where a represents a pore diameter corresponding to a cumulative pore volume percentage accounting for 10% of a total pore volume, b represents a pore diameter corresponding to a cumulative pore volume percentage accounting for 50% of the total pore volume, and c represents a pore diameter corresponding to a cumulative pore volume percentage 99% in the total pore volume. The technical solution of this application improves the cycle performance and high-temperature performance of the secondary battery while achieving a high energy density of the secondary battery.

Negative Electrode for Secondary Battery, and Secondary Battery Including Same

Resumen de: US2025336972A1

A negative electrode for a secondary battery includes: a current collector; a first negative electrode active material layer formed on the current collector and containing a first active material; and a second negative electrode active material layer formed on the first negative electrode active material layer and containing a second active material. The second active material is a bimodal active material including small particles and large particles having different particle sizes, a particle size (D2) of the second active material is smaller than a particle size (D1) of the first active material, and the particle size of the second active material is an average particle size of the small particles and the large particles.

LITHIUM SUPPLEMENT MATERIAL, POSITIVE ELECTRODE, ELECTROCHEMICAL APPARATUS, AND POWER CONSUMPTION DEVICE

Resumen de: US2025336977A1

This disclosure provides lithium supplement materials, including Li5Fe1-xMxO4 and a cladding layer disposed on a surface of Li5Fe1-xMxO4. In Li5Fe1-xMxO4, where M is at least one of Ni, Mn, Ru, Cr, Cu, Nb, Al, Mg, Ca, Ga, Ti, and Mo, and 0≤x≤0.2. The cladding layer includes M′-doped zinc oxide or M′-doped composite oxide based on zinc oxide, and M′is an ion capable of forming a substitutional solid solution with zinc oxide or composite oxide based on zinc oxide.

POSITIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE

Resumen de: US2025336968A1

A positive electrode for a rechargeable lithium includes a current collector. A first active material layer is provided on the current collector, and the first active material layer includes first particles, second particles, a first binder, and a first conductive material. A second active material layer is provided on the first active material layer, and the second active material layer includes third particles, a second binder, and a second conductive material. The first particles contain an olivine structured compound, the second particles contain a layered compound, the third particles contain an olivine structured compound, the first particles are single particles, and the first particles have an average diameter of about 100 nm to about 2 μm. The first active material layer and the second active material layer have a cobalt (Co) content of less than about 100 ppm. An average diameter of the second particles is greater than the average diameter of the first particles. The third particles are single particles, and the third particle have an average diameter of about 100 nm to about 2 μm.

HIGH VOLTAGE BATTERY TEMPERATURE PERFORMANCE PAGES

Resumen de: US2025332955A1

A vehicle system that communicates temperature information of a high voltage battery system of an electrified vehicle includes at least one temperature sensor, a controller, and a human machine interface (HMI). The at least one temperature sensor is disposed on at least one battery module of the high voltage battery system. The at least one temperature sensor is configured to sense a temperature of the at least one battery module. The controller receives the sensed temperature and determines a temperature profile of the high voltage battery system. The HMI is configured to convey temperature information of the high voltage battery system, wherein the controller communicates a signal to the HMI indicative of the temperature profile.

VEHICLE

Resumen de: US2025332960A1

A vehicle may include a cooling target component part to be cooled. The vehicle may include a cooling target component part cooling line through which a first heat exchange fluid for cooling the cooling target component part flows, a vehicle air conditioning line through which a second heat exchange fluid, which heats or cools an internal space of the vehicle while exchanging heat with the internal space of the vehicle, flows, and a connection line extending from the cooling target component part line toward the vehicle air conditioning line and configured to define and/or supply a region in which the first heat exchange fluid and the second heat exchange fluid exchange heat with each other.

BATTERY SYSTEM FOR AN INDUSTRIAL VEHICLE

Resumen de: US2025332927A1

A battery system for an industrial vehicle, the industrial vehicle including a frame having a vehicle contour defined by front, back, left, and right bounds of the frame, the left and right bounds at least partially defined by opposed outermost left and right portions of respective left and right sides of a battery compartment. The battery system includes a battery, and a counterweight assembly, wherein at least a portion is positioned underneath the battery. The battery system further includes a first sensor assembly positioned underneath the battery at one of the left or right side of the battery compartment. The first sensor assembly is completely located within the front, back, left, and right bounds of the frame so as to not increase the vehicle contour. The first sensor assembly includes a sensing device that monitors an area adjacent to the corresponding left or right side of the vehicle.

MICROMOBILITY TRANSIT VEHICLE BATTERY CONNECTION AND LOCK SYSTEMS AND METHODS

Resumen de: US2025332929A1

In one embodiment, a micromobility transit vehicle includes a frame including a downtube having a recess, a battery lock within the recess, and a battery. The battery includes an enclosure, an outer wall connected to the enclosure, a handle extending from a first portion of the outer wall, and a plurality of bumpers connected to the enclosure. The enclosure is configured to be received at least partially within the recess of the downtube. The outer wall has a shape complementary to the downtube. The handle makes a continuous loop with respect to the first portion of the outer wall such that the handle is formed as part of the outer wall. The plurality of bumpers is configured to provide the battery with drop protection and fit the battery within the recess of the downtube.

BATTERY SYSTEM AND RELATED MANAGEMENT SYSTEM

Nº publicación: US2025332930A1 30/10/2025

Solicitante:

BRIGGS & STRATTON LLC [US]
BRIGGS & STRATTON, LLC

Resumen de: US2025332930A1

A battery pack includes a battery housing, a plurality of battery cells enclosed within the battery housing, a battery connector including a plurality of terminals, a near-field communication (NFC) tag reader, and a battery management system in communication with the NFC tag reader. The battery management system is configured to detect, via the NFC tag reader, a type of equipment connected to the battery connector, and change a battery electrical output parameter based on the type of equipment.