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THERMAL MANAGEMENT SYSTEM FOR ELECTRIFIED VEHICLE THAT PROVIDES BATTERY AND CABIN HEATING OFF PLUG

Resumen de: US20260077683A1

An exemplary thermal management system includes, among other things, a heater loop, a battery loop, a radiator loop, and a power electronics loop operating within a glycol system. A first valve is in fluid communication with one or more of the heater loop, the battery loop, the radiator loop, and the power electronics loop. A second valve in fluid communication with one or more of the heater loop, the battery loop, the radiator loop, and the power electronics loop. The second valve is fluidly connected to the first valve to provide at least one operational condition where there is battery heating within the battery loop while a vehicle is off charge, and while also being able to independently heat a cabin.

Battery Management Apparatus, Battery Pack, Electric Vehicle and Battery Management Method

Resumen de: US20260077680A1

A battery management apparatus, a battery pack, an electric vehicle and a battery management method are provided. The battery management apparatus according to the present disclosure includes a controller configured to obtain a plurality of cell state parameters indicating electric states of the plurality of battery cells; determine whether to perform a balancing process, which is a procedure of selectively discharging or charging each of the plurality of battery cells, to suppress a deviation in electric states among the plurality of battery cells; and perform the balancing process for at least one battery cell among the plurality of battery cells, based on the plurality of cell state parameters.

BATTERY POWER LIMIT PROTECTION METHOD AND SYSTEM, AND STORAGE MEDIUM

Resumen de: US20260077678A1

A method and system for protecting a battery power limit, and a storage medium are disclosed. The method for protecting a battery power limit is applied to a vehicle with a battery management system. The method includes: acquiring temperature data, a state of charge, and a cell voltage extreme value of a battery, periodically; calculating a current maximum available power according to the temperature data and the state of charge; determining a power limit coefficient according to the cell voltage extreme value, and a voltage limited power interval corresponding to the temperature data; and obtaining an actual available power that the battery management system allows the vehicle to use according to the maximum available power and the power limit coefficient. According to the method, different temperature ranges can be adapted according to logic.

THERMAL RUNAWAY MANAGEMENT SYSTEM AND METHOD, AND BATTERY PACK

Resumen de: WO2026056559A1

Provided are a thermal runaway management system and method, and a battery pack. The thermal runaway management system comprises a battery monitoring circuit, a fire suppression assembly, and a gas collection assembly, wherein the battery monitoring circuit and the fire suppression assembly are both arranged inside a battery pack; the battery monitoring circuit is electrically connected to a battery cell in the battery pack; the fire suppression assembly and the gas collection assembly are electrically connected to the battery monitoring circuit; the battery monitoring circuit can be configured to monitor the temperature of the battery cell, control the fire suppression assembly to perform fire extinguishing inside the battery pack, and simultaneously control the gas collection assembly to collect gas inside the battery pack.

BATTERY ENERGY STORAGE CONTAINER AND BATTERY ENERGY STORAGE APPARATUS

Resumen de: WO2026056554A1

A battery energy storage container and a battery energy storage apparatus. The battery energy storage container comprises a container body and a fire-fighting system; the fire-fighting system comprises aerosol fire-extinguishing devices and a water spray fire-extinguishing device; the aerosol fire-extinguishing devices are configured to be located above a battery pack; the water spray fire-extinguishing device comprises a fire-fighting pipe and spray heads; one end of the fire-fighting pipe is configured to be connected to a fire-fighting water source, and the other end of the fire-fighting pipe is connected to the spray heads; and the spray heads are configured to be located above the battery pack.

SODIUM SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026056518A1

A sodium secondary battery and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte; the negative electrode sheet comprises a negative electrode current collector, or comprises a negative electrode current collector and a sodium metal layer arranged on the surface of the negative electrode current collector; the electrolyte comprises colloidal particles, an electrolyte salt and a solvent; the Raman spectrum of the electrolyte comprises a first Raman characteristic peak having a Raman shift ranging from 815 cm-1 to 825 cm-1 and a second Raman characteristic peak having a Raman shift ranging from 845 cm-1 to 855 cm-1, the peak area A1 of the first Raman characteristic peak and the peak area A2 of the second Raman characteristic peak satisfying: (A1+A2)/S1≤30%. In the formula, S1 represents the sum of peak areas of all characteristic peaks appearing in the Raman spectrum and having a Raman shift ranging from 800 cm-1 to 900 cm-1. The sodium secondary battery achieves both high capacity and high safety performance.

PROCESS FOR RECYCLING ALUMINUM HYDROXIDE FROM A BLACK MASS

Resumen de: US20260081247A1

Disclosed herein is a process for recycling aluminum hydroxide from a black mass including aluminum, the process including in the given order the steps of leaching in a first leaching step the black mass in an aqueous acid solution; separating the first leaching residue from the first leaching solution; adding in a pH-adjusting step a first aqueous base solution to the first leaching solution; precipitating an Al/Fe precipitate from the first pH-adjusted leaching solution; separating the Al/Fe precipitate from the first pH-adjusted leaching solution; leaching the Al/Fe precipitate in a second aqueous base solution; separating the second leaching residue from the second leaching solution; precipitating in an Al precipitation step an Al precipitate from the second leaching solution; and separating the Al precipitate from the second leaching solution.

METHOD FOR REMOVING SURFACE IMPURITIES FROM SPENT CATHODE ACTIVE MATERIALS

Resumen de: US20260081246A1

A method is provided for recycling a cathode active material. The method includes reacting spent cathode active material particles with an alkaline solution to form a reaction mixture containing a metal fluoride and solid cathode active material particles, and filtering the reaction mixture to remove the metal fluoride and separate the solid cathode active material particles from the reaction mixture. The method further includes mixing the solid cathode active material particles with a solid lithium material to form relithiated cathode active material particles, and heating the relithiated cathode active material particles to form the cathode active material. The alkaline solution comprises water and at least one hydroxide selected from the group consisting of: sodium hydroxide, potassium hydroxide and lithium hydroxide. The spent cathode active material particles comprise fluorine and lithium.

STRUCTURALLY INTEGRATED BATTERY PACK CIRCUITRY

Resumen de: US20260081278A1

Structurally integrated battery pack circuitry is disclosed. The structurally integrated battery pack circuitry may include processing circuitry, such as balancing voltage and temperature (BVT) circuitry, mounted in a support structure of an enclosure for a battery pack. The support structure may be a crossmember or a longitudinal member of the enclosure.

BATTERY PACK

Resumen de: US20260081280A1

A battery pack is provided. The battery pack includes a housing, a battery cell group, and a plurality of reinforcing plates. Each of the plurality of reinforcing plates includes a foam adhesive layer and a fiberglass cloth layer. The foam adhesive layer encapsulates the fiberglass cloth layer. The battery cell group is arranged in the housing. Each of two side walls of the battery cell group along a length direction of the battery cell group is arranged with a corresponding one of the plurality of reinforcing plates. The foam adhesive layer is attached to a corresponding one of the two side walls of the battery cell group.

BATTERY PACK AND METHOD FOR MANUFACTURING SAME

Resumen de: US20260081277A1

A secondary battery cell can be fixed to a battery holder with high reliability. Battery pack 100 includes a plurality of secondary battery cells 1 and battery holder 20 including a plurality of storage tubes 22 that respectively hold the plurality of secondary battery cells 1. Battery holder 20 is divided into at least first divided holder 21A and second divided holder 21B in the length direction of secondary battery cell 1, and first storage tube 22A of first divided holder 21A and second storage tube 22B of second divided holder 21B are joined to form a cell storage space for storing secondary battery cell 1. At least a part of second storage tube 22B has recess 24 formed on at least a part of the inner surface thereof, and adhesive 50 is interposed between recess 24 of storage tube 22 and secondary battery cell 1.

SECONDARY BATTERY, PREPARATION METHOD AND ELECTRIC DEVICE

Resumen de: US20260081174A1

A secondary battery, a preparation method, and an electric device. The secondary battery includes a positive electrode plate, a separator, a negative electrode plate and an electrolyte, where the negative electrode plate includes a lithium metal sheet and a modification layer disposed on at least one surface of the lithium metal sheet, and the modification layer includes phosphate and lithium metal alloy. The surface of the lithium metal sheet is provided with the modification layer which can effectively conduct lithium ions, and the lithium metal alloy is able to achieve uniform deposition of lithium ions, prevent the growth of lithium dendrites, and improve the electrochemical and safety performance of the battery.

COMPOSITE SUBSTRATE, SECONDARY BATTERY ELECTRODE INCLUDING SAME, AND ELECTRODE FABRICATION METHOD USING SAME

Resumen de: US20260081179A1

A composite substrate includes a polymer layer extending in a first direction, and a first metal layer and a second metal layer on opposite sides of the polymer layer, respectively, the opposite sides of the polymer layer being spaced apart from each other in a second direction that is a thickness direction of the polymer layer, wherein each of the first metal layer and the second metal layer protrudes farther than an end of the polymer layer, and wherein a first protrusion protruding from the first metal layer and a second protrusion protruding from the second metal layer are joined to each other.

ELECTRODE ASSEMBLY, SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE ELECTRODE ASSEMBLY

Resumen de: US20260081176A1

The present disclosure relates to an electrode assembly, a secondary battery, and a method for manufacturing the electrode assembly. The electrode assembly according to an embodiment of the present disclosure may include a first electrode, a second electrode, and a separator positioned between the first electrode or the second electrode. At least one of the first electrode and the second electrode may include an insulating layer, a first conductive layer, and a second conductive layer, where the first conductive layer and the second conductive layer are respectively positioned on opposite surfaces of the insulating layer, and one end of each of the first conductive layer and the second conductive layer may extend beyond the insulating layer in a longitudinal direction.

BATTERY CELL AND ELECTRIC DEVICE

Resumen de: US20260081177A1

An electrode assembly includes a first electrode plate group and a second electrode plate group stacked along a first direction. Along a second direction, a length of the first electrode plate group is greater than a length of the second electrode plate group, the second direction is perpendicular to the first direction. The first electrode plate group includes a first electrode plate closest to the second electrode plate group, where the first electrode plate includes a current collector. The current collector includes a first region and a second region, both sides of the first region are provided with an active material layer, the second region is provided with the active material layer only on a side facing away from the second electrode plate group. The first region at least partially overlaps with the first electrode plate group.

ROTOR AND METHOD FOR PRODUCING SAME

Resumen de: US20260081275A1

A rotator includes a rotating portion and a device fixed to the rotating portion, and the device includes a substrate and a flat secondary battery connected to the substrate via a terminal. The secondary battery includes an exterior body and a positive electrode and a negative electrode disposed in the exterior body. The exterior body includes a positive electrode can and a negative electrode can. The flat secondary battery is disposed in such a manner that one of the positive electrode can and the negative electrode can having a larger expansion amount on a central axis of the exterior body than the other of the positive electrode can and the negative electrode can faces the substrate, when the flat secondary battery expands due to a high temperature in a charging state of the flat secondary battery.

BATTERY MANAGEMENT SYSTEM AND METHOD FOR VEHICLE USING BATTERY TEMPERATURE PREDICTION MODEL

Resumen de: US20260081242A1

A battery management system using a battery temperature prediction model includes: a transmission/reception device for receiving information of a vehicle, a temperature control device for requesting prediction of a battery temperature at a destination arrival time point by using destination information and perform battery conditioning control by using a predicted battery temperature value according to a request result, and a temperature prediction device for outputting the predicted battery temperature value at the destination arrival time point by inputting the information to a battery temperature prediction model, which is provided in advance, in accordance with the request for the prediction of the battery temperature.

BATTERY PACK WITH CELL MODULE ASSEMBLIES

Resumen de: US20260081244A1

A cell module assembly includes battery cells and a controller. The controller is programmed to receive useful life data for a useful life indicator of the battery cells, save the life data to memory to create a life data history, determine a life measurement based on the life data history, compare the life measurement to a first end of life threshold, determine if the life measurement has met the first end of life threshold, provide a first end of life output indicating that the life measurement has met the first end of life threshold, compare the life measurement to a second end of life threshold, determine if the life measurement has met the second end of life threshold, and provide a second end of life output indicating that the life measurement has met the second end of life threshold.

MODULE INTERFACE DEVICE FOR BATTERY MODULES FEATURING CELL BALANCING AND ISOLATION

Resumen de: US20260081243A1

A module interface device for a multi-cell battery module comprises a cathode bus connectable to a cathode terminal and an anode bus connectable to an anode terminal of the battery module, and a set of one or more inter-cell taps connectable to respective inter-cell electrical interconnectors that interconnect neighboring pairs of cells of the battery module. The module interface devices comprises a cell balancing circuit that includes: an electrically conductive pathway that joins the cathode bus with the anode bus, a set of multiple resistive-capacitive elements arranged along the electrically conductive pathway, and a set of one or more switches in which a respective switch is located along each inter-cell tap. Each inter-cell tap joins the electrically conductive pathway at a respective location between a different neighboring pair of resistive-capacitive elements.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026056509A1

The present application relates to the technical field of secondary batteries, and provides a battery cell, a secondary battery, and an electric device. By using a graphite material having a high initial Coulombic efficiency and an ID/IG ratio of 0.06-0.25 in combination with a silicon-based material as a negative electrode active material, a negative electrode sheet is able to maintain a high initial Coulombic efficiency on the basis of adding the silicon-based material, allowing for combination with a lithium-containing phosphate positive electrode active material having a high initial Coulombic efficiency (generally, the initial Coulombic efficiency of the positive electrode active material is not less than 94%), thereby improving the energy density of the entire battery cell while fully utilizing the characteristics of the high initial Coulombic efficiency of the lithium-containing phosphate, and effectively striking a balance between battery energy density and initial Coulombic efficiency. Moreover, controlling a lithium intercalation specific capacity of the silicon-based material to be 1000 mAh/g-2300 mAh/g allows for a thinner negative electrode active material layer, which enables the negative electrode sheet to have a higher energy density, thereby taking into account both energy density and rate performance.

BATTERY SEPARATOR AND BATTERY

Resumen de: WO2026056538A1

Provided in the present application are a battery separator and a battery. The battery separator comprises a base membrane and a composite coating arranged on one side of the base membrane, wherein the composite coating comprises a heat-resistant material and an adhesive material; the heat-resistant material forms a layered structure and is attached to the base membrane; and the adhesive material is distributed in the layered structure and satisfies: 1.6≤D50/H≤4.3, and 2.2≤D90/H≤6.6, where D50 is the corresponding particle size at which the cumulative particle size distribution of the adhesive material reaches 50%, with the unit thereof being μm, D90 is the corresponding particle size at which the cumulative particle size distribution of the adhesive material reaches 90%, with the unit thereof being μm, and H is the thickness of the layered structure, with the unit thereof being μm. In the battery separator provided by the present application, by combining the heat-resistant material and the adhesive material to form the composite coating, the coating of the separator is effectively simplified; moreover, by limiting the relationship between the particle sizes of the adhesive material and the thickness of the heat-resistant material, the composite coating has a good binding power, and the thickness of the separator can also be reduced, thereby improving the energy density of a battery.

BATTERY APPARATUS AND ELECTRICAL DEVICE

Resumen de: WO2026056464A1

Provided in the embodiments of the present application are a battery apparatus and an electrical device. The present application can improve the use performance of the battery apparatus. The battery apparatus comprises: a box body, a battery cell and a heat exchange apparatus. The box body is provided with a first accommodating cavity, the battery cell being accommodated in the first accommodating cavity, and the heat exchange apparatus being accommodated in the first accommodating cavity and being arranged close to the battery cell. The heat exchange apparatus is used for performing heat exchange with the battery cell. The heat exchange apparatus comprises a pipe body accommodating a heat exchange medium and a first protective layer arranged on the outer surface of the pipe body, the first protective layer being used for blocking the impact of emissions discharged from the battery cell on the pipe body. The heat exchange apparatus further comprises a second protective layer, the second protective layer being provided between the outer surface of the pipe body and the first protective layer, and/or, the second protective layer being arranged on the inner surface of the pipe body, and the second protective layer being used for thermal isolation for the pipe body.

BATTERY COMPONENT, UPPER COVER ASSEMBLY FOR INDIVIDUAL BATTERY CELL, AND INDIVIDUAL BATTERY CELL

Resumen de: WO2026056999A1

A battery component, an upper cover assembly for an individual battery cell, and an individual battery cell (2). The battery component comprises a housing (1) and n individual battery cells (2); the n individual battery cells (2) are arranged in an inner cavity of the housing (1), n being an integer greater than 1; the housing (1) is provided with clearance holes (3) corresponding to poles (21) of the individual battery cells (2); the poles (21) of the individual battery cells (2) extend out of the corresponding clearance holes (3), and the space between each pole (21) and the corresponding clearance hole (3) is sealed.

CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: WO2026056984A1

The present application relates to the technical field of batteries, and provides a cell, a battery, and an electrical apparatus. The provided cell comprises a casing, a post, and an injection molded member; the casing is provided with a post mounting portion, the post mounting portion is provided with a post mounting hole, at least part of the post passes through the post mounting hole, and there is a gap between a part located in the post mounting hole and the post mounting hole; the injection molded member is disposed around the post and is at least partly located in the gap, so as to connect the post mounting portion and the post; the injection molded member is provided with a glue converging surface, and the position at which a side wall of the post intersects the glue converging surface is a glue converging position; along the circumferential direction of the side wall of the post, the side wall of the post has a planar structure on both sides of the glue converging position; and the included angle between the two planar structures located on both sides of the glue converging position is greater than 120 degrees and less than or equal to 180 degrees. The described solution can solve the problem in the existing technology of low structural strength at the position of a glue converging surface of an injection molded member.

PROTECTIVE CASE, BATTERY, AND ELECTRONIC DEVICE

Nº publicación: WO2026056861A1 19/03/2026

Solicitante:

REALME MOBILE TELECOMMUNICATIONS SHENZHEN CO LTD [CN]
\u6DF1\u5733\u5E02\u9510\u5C14\u89C5\u79FB\u52A8\u901A\u4FE1\u6709\u9650\u516C\u53F8

Resumen de: WO2026056861A1

Provided in the present application is a protective case for accommodating a battery cell, the protective case comprising a middle frame, a first cover plate and a second cover plate. The middle frame comprises a plurality of surrounding plates, the plurality of surrounding plates being sequentially connected end to end to form an accommodating space, and the battery cell being accommodated in the accommodating space; the first cover plate covers one side of the accommodating space, and the first cover plate is hermetically connected to the middle frame; and the second cover plate covers the opposite side of the accommodating space, and the second cover plate is hermetically connected to the middle frame. Further provided in the present application are a battery having the protective case and an electronic device.