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SYSTEMS AND METHODS FOR FABRICATING SEGMENTED ELECTRODES

Resumen de: US2025367435A1

A method for fabricating a segmented electrode is provided. The method includes performing a series of progressive die stamping operations on a foil sheet of material to form an initial electrode, and removing portions of the initial electrode using a centerless grinding process to form a segmented electrode including a plurality of circumferentially spaced contacts.

SEPARATION AND RECYCLING OF LITHIUM-ION BATTERY METALS VIA A MAGNETIC FIELD

Resumen de: US2025367680A1

Systems and methods are provided for separating mixed metals from one another out of batteries (e.g., lithium ion batteries (LIBs)). Magnetic field gradients can be used to separate mixed metals from one another, and the products of the separation (e.g., lithium (Li), nickel (Ni), manganese (Mn), and/or cobalt (Co)) can be used again in other manufacturing processes, such as to manufacture new LIBs.

BATTERY DIAGNOSIS SYSTEM AND METHOD

Resumen de: US2025370054A1

The present invention relates to a battery diagnosis system and method, and disclosed is a battery diagnosis system including a receiving unit that receives information on a high voltage battery and charge state information of the high voltage battery of a vehicle being charged; a control unit that controls a current of the high voltage battery; a measurement unit that measures a voltage change amount of the high voltage battery in which the current is controlled; and a determination unit that determines the battery having the voltage change amount of an abnormal battery among the voltage change amounts of the battery measured in the measurement unit.

Battery Replacement Device, Battery State Diagnosis Server Device and Method, and Battery Replacement System Comprising Same

Resumen de: US2025370061A1

A battery swapping apparatus, an apparatus for diagnosing a battery condition, a method for diagnosing a battery condition, and a battery exchange system including the battery swapping apparatus and the apparatus for diagnosing a battery condition with high-efficiency and high-reliability are disclosed. The battery exchange system may discharge a battery pack in which charging has been stopped, calculate at least one state information of the discharged battery pack, resume charging of the battery pack, calculate the impedance information from the at least one state information of the discharged battery pack, and determine a state of health (SoH) of the battery pack and whether the battery pack is defective.

METHODS OF PRE-LITHIATING ELECTRODES FOR LITHIUM-ION BATTERIES, AND LITHIUM-ION BATTERIES OBTAINED THEREFROM

Resumen de: US2025372607A1

Existing pre-lithiation methods are beset by many limitations, such as non-uniformity, over-lithiation, poor compatibility with battery components, and scaling challenges. This disclosure provides several technical solutions to the problem of effectively pre-lithiating electrodes. Some variations provide an electrochemical method of pre-lithiating a lithium-ion battery containing lithium vanadium oxide. Porous electrodes ameliorate the V2O5 pre-lithiation procedure, enhancing overall efficiency. Various configurations are disclosed, employing two or three electrodes. Other methods pre-lithiate any electrode material for a lithium-ion battery, utilizing a liquid lithium-ion conductor in a transport path with an electrode precursor powder material, to react lithium with the electrode precursor material, thereby generating a pre-lithiated electrode. Still other methods pre-lithiate any electrode material for a lithium-ion battery, mechanically agitating an electrode precursor material with a solid lithium-containing material, to react lithium with the electrode precursor material, thereby generating a pre-lithiated electrode. Experimental data are presented to demonstrate the technology.

APPARATUS AND METHOD FOR PROCESSING BATTERY SCRAPS

Resumen de: WO2025250080A1

An apparatus for processing battery scraps comprises a housing having a back wall, a front wall and a chamber therebetween, a driving plate movably disposed between the back wall and the front wall and a bearing plate movably disposed between the driving plate and the front wall A filter plate is positioned between the chamber and the second port, and a coupling member engageable to the driving plate and the bearing plate. The driving plate is movable relative to the housing in the chamber. Displacement of the driving plate towards the front wall causes the coupling member to disengage the bearing plate, and displacement of the driving plate towards the back wall beyond a predetermined distance between the driving plate and the bearing plate causes the coupling member to engage the bearing plate.

METHODS AND DEVICES FOR MULTI-STACK BATTERY MANAGEMENT FOR ENERGY STORAGE SYSTEMS

Resumen de: WO2025250705A1

A multi-stack battery management device is disclosed herein. In various embodiments, the multi-stack battery management device may comprise an energy storage system comprising one or more stacks including, wherein the one or more connected stacks comprises one or more connected stacks and one or more disconnected stacks, wherein the connected stacks are connected to a shared DC bus.

COMPOSITE MATERIAL, COMPOSITE MATERIAL LAYER, AND THERMAL INTERFACE MATERIAL WITH THERMAL CONDUCTIVITY PROPERTIES

Resumen de: WO2025250722A1

The subject application relates to a composite material that may include a silicone-based matrix component, and a filler package component. The filler package component may include a first thermally conductive filler component and a second thermally conductive filler component. The first thermally conductive filler component may have an average particle size of at least about 30 microns and not greater than about 150 microns, and the second thermally conductive filler component may have an average particle size of at least about 1 micron and not greater than about 10 microns. The composite material may have a thermal conductivity of at least about 1.0 W/mk and not greater than about 5.0 W/mk.

LAMINATED BATTERY AND METHOD FOR MANUFACTURING LAMINATED BATTERY

Resumen de: WO2025249275A1

A laminated battery (1) includes a stacked cell (2), a sealant (3), and a laminate film (4) that houses the stacked cell (2). The stacked cell (2) includes a cell (20), a current collector (21) stacked on the cell (20), and a tab lead (22). The tab lead (22) includes a tab connection section (221) that is connected to the current collector (21), and a lead section (222) that is continuous with the tab connection section (221) and that protrudes from a peripheral end of the laminate film (4). The laminate film (4) includes a metal layer (41). At the peripheral end of the laminate film (4), the sealant (3) is disposed between an inner peripheral surface of the laminate film (4) and an outer peripheral surface of the lead section (222), a free end (411) of the metal layer (41) includes a burr (412) bent in the thickness direction, and the burr (412) is oriented toward the side opposite to the lead section (222).

SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SOLUTION

Resumen de: WO2025249446A1

A secondary battery 100 according to the present disclosure comprises: a wound electrode group 4 including a positive electrode 5, a negative electrode 6, and a separator 7; and a nonaqueous electrolyte solution. The nonaqueous electrolyte solution contains a nonaqueous solvent and inorganic ceramic particles. The inorganic ceramic particles have lithium ion conductivity, and the content ratio of the inorganic ceramic particles in the nonaqueous electrolyte solution is 0.1-30 vol% inclusive.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2025249258A1

A non-aqueous electrolyte secondary battery according to the present disclosure comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode contains a negative electrode active material and an electrically conductive agent. The negative electrode active material contains a silicon-containing material. The silicon-containing material has a single particle fracture strength of at least 50 MPa but less than 400 MPa. The electrically conductive agent contains a fibrous carbon material, the fibrous carbon material having a length of at least 2 μm but less than 10 μm.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2025249393A1

The present invention is characterized in that: a first electrode (11) has a first electrode core body (30) and a coating layer (31) that includes a first electrode mixture layer (32); the surface of the first electrode (11) is provided with a first electrode core body exposed part (34) where the coating layer (31) is not disposed and where the first electrode core body (30) is exposed; the coating layer (31) has a first region lined up with the first electrode core body exposed part (34) in the longitudinal direction of the first electrode (11), and a second region adjacent to the first electrode core body exposed part (34) and the first region (35) in the width direction of the first electrode (11); and, within the second region, at least part of a region overlapping a first electrode tab (20) in the width direction of the first electrode (11) is provided with a thick part (37) of greater thickness than other portions of the second region.

SULFIDE SOLID ELECTROLYTE AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

Resumen de: WO2025249248A1

The present invention relates to a sulfide solid electrolyte which has a crystal phase, wherein: the crystal phase has at least an argyrodite-type crystal structure; the argyrodite-type crystal structure has a crystal system of a cubic crystal and at least one selected from the group consisting of a tetragonal crystal, an orthorhombic crystal, and a monoclinic crystal; and the total ratio of the tetragonal crystal, the orthorhombic crystal, and the monoclinic crystal in the crystal phase is 1-50 mass%.

BATTERY MODULE HAVING PRESSURE RELIEF AND EXPLOSION-PROOF FUNCTIONS, AND BATTERY BOX

Resumen de: WO2025246779A1

Disclosed are a battery module, which features compact installation and low production cost and also has pressure relief and explosion-proof functions, and a battery box. The battery module comprises a battery fixing module, and two ends of the battery fixing module are each sequentially provided with a temperature-resistant pressure relief module, a one-way valve heat dissipation plate, and an insulation wall. Multiple battery cells are arranged in an array within the battery fixing module. Each temperature-resistant pressure relief module is provided with multiple pressure relief chamber assemblies that are arranged in an array and located at end portions of the battery cells, and an end surface of the temperature-resistant pressure relief module is further provided with multiple crisscrossing pressure relief guide grooves. Each pressure relief chamber assembly comprises a pressure relief hole positioned at the end portion of a battery cell and valve-body stop blocks positioned at upper and lower ends of the pressure relief hole. The one-way valve heat dissipation plate is shape-matched to the temperature-resistant pressure relief module and is attached to end portions of the valve-body stop blocks. The one-way valve heat dissipation plate is provided with multiple one-way valve flaps that are folded along the vertical direction and are arranged in an array, and for each pressure relief hole, a one-way valve flap is adhered at each of the two sides between the two valve-bod

COVER PLATE ASSEMBLY, BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2025246711A1

The present application relates to the technical field of batteries, and provides a cover plate assembly, a battery, and an electrical device. The cover plate assembly comprises a cover plate and an electrode terminal. A mounting hole is provided in the center of the cover plate, the cover plate comprising a first insulating member. The electrode terminal comprises a terminal piece and a second insulating member, the second insulating member being arranged on a side of the terminal piece. The terminal piece at least partially passes through the mounting hole and is connected to the cover plate. The second insulating member is in surface contact with the first insulating member. The cover plate assembly provided in examples of the present application can reduce the possibility of mutual interference of different parts of a battery cover plate during assembly, and improve the assembly efficiency and assembly reliability of the battery cover plate.

METHOD FOR RECOVERING LITHIUM FROM SPENT LITHIUM IRON PHOSPHATE BATTERY

Resumen de: WO2025246954A1

The present invention provides a method for recovering lithium from a spent lithium iron phosphate battery, comprising: subjecting the positive electrode black powder of the spent lithium iron phosphate battery to a roasting reaction in a roasting furnace filled with a protective gas, and simultaneously adjusting, on the basis of the mixture in the roasting furnace, the input flow rate of chlorine gas to control the temperature of the roasting reaction, wherein the temperature of the roasting reaction is 50-300 °C; subjecting the product of the roasting reaction to water leaching to obtain a solution of the product; subjecting the solution of the product to suction filtration to obtain a filtrate; and concentrating the filtrate by means of evaporation and then drying the residue to obtain a lithium chloride crystal. In the present invention, one-step roasting is carried out at a low temperature, and the temperature of the roasting reaction is controlled by adjusting the input flow rate of chlorine gas, so that the lithium element in the spent lithium iron phosphate battery can be converted into lithium chloride, which is soluble in water, and a lithium chloride crystal can be further prepared. The method has a simple process, high reaction efficiency, low energy consumption, and a lithium element recovery rate as high as 95%; the method has great industrial application value.

ELECTRONIC DEVICE

Resumen de: US2025370291A1

A novel electronic device is provided. Alternatively an electronic device of a novel embodiment is provided. An electronic device includes a ring portion and a display portion. The display portion is flexible. The display portion has a top surface and a first side surface in contact with at least one side of the top surface. The first side surface has a curved surface. The top surface includes a first display region. The first side surface includes a second display region. The first display region and the second display region are continuously provided. The electronic device is mounted such that the ring portion is in contact with a user's finger.

SYSTEMS AND METHODS FOR TORCH AND GRIT TESTING MATERIAL SAMPLES UNDER SIMULATED CONDITIONS

Resumen de: US2025369906A1

An apparatus for testing a sample includes a fixture releasably holding the sample during a test, a first mixer having a first chamber and a first channel, the first chamber mixing compressed air with abrasive particles to form a first mixture having a first predetermined mixing ratio, the first channel projecting the first mixture at a spot of the sample during the test, a second mixer having a second chamber, an ignitor and a second channel, the second chamber mixing an oxidizer and a fuel to form a combustible mixture with a second predetermined mixing ratio, the ignitor adjacent to an outlet of or protruding into the second chamber and controllably igniting the combustible mixture to create a flame, the second channel projecting the flame at the spot during the test, and a first temperature sensor measuring a surface temperature of an unexposed side of the sample during the test.

BATTERY CONTAINMENT DEVICES FOR THERMAL MEASUREMENTS

Resumen de: US2025369907A1

A battery material containment device comprises a lid; a housing case that is constructed and arranged to hold a battery material during a thermal analysis operation, the housing case including a threaded region for receiving and removably coupling with the lid to form a gas-tight seal and securing the battery material in the housing case; at least one vent for providing a gas flow path for the release of gasses generated by the battery material in the housing case during the thermal analysis operation; and a heat flow pathway between the battery material and a sensor that is maintained during the thermal analysis operation.

MICROGRANULATION METHODS AND PRODUCT PARTICLES THEREFROM

Resumen de: US2025369147A1

Simple, material-efficient microgranulation methods are disclosed for aggregating precursor particles into larger product particles with improved properties and, in some instances, novel structures. The product particles are useful in applications requiring uniform, smooth, spherical, or rounded particles such as for electrode materials in lithium batteries and other applications.

METHOD OF FORMING DIELECTRIC FILMS, NEW PRECURSORS AND THEIR USE IN THE SEMI-CONDUCTOR MANUFACTURING

Resumen de: US2025369115A1

A Metal-containing film forming composition comprising a precursor having the formulawherein, M=V or Nb or Ta; R1-R3=independently H or C1-C10 alkyl group; L=Substituted or unsubstituted cyclopentadienes, cyclohexadienes, cycloheptadienes, cyclooctadienes, fluorenes, indenes, fused ring systems, propene, butadiene, pentadienes, hexadienes, heptadienes; m=0 or 1.

Battery Storage System for an Aircraft

Resumen de: US2025368346A1

In accordance with one embodiment of the present invention, an aircraft comprises a battery pack mounted external to the aircraft structure. The batteries are configured to vent directly to the environment during battery thermal runaway. In one embodiment, an aerodynamic fairing provides an aerodynamically efficient surface and weather protection during nominal flight conditions. During battery thermal runaway however, the aerodynamic fairing is configured to expose the battery to the environment.

METHODS AND SYSTEMS FOR MULTI-CHANNEL, MULTI-TENANT BATTERY CYCLING

Resumen de: WO2025251081A1

Aspects of the present disclosure relate to a method of developing a battery charging profile. The method includes performing an experimentation process on a battery, performing a parameterization process on the battery, developing a battery model for the battery based on experimentation data and parameterization data, generating simulated battery data using the battery model, and generating a battery performance report based on the simulated battery data. Other aspects relate to a multi-channel, multi-tenant system for developing a battery charging profile. The system includes a first battery cycler and a second battery cycler, wherein the first and second battery cyclers are configured to deliver a charge signal to a battery disposed therein. The system also includes a data storage infrastructure in communication with the first and second cyclers and a multi-tenant data processing application stored on the data storage infrastructure.

METHODS OF PRE-LITHIATING ELECTRODES FOR LITHIUM-ION BATTERIES, AND LITHIUM-ION BATTERIES OBTAINED THEREFROM

Resumen de: WO2025250852A1

Existing pre-lithiation methods are beset by many limitations, such as non-uniformity, over-lithiation, poor compatibility with battery components, and scaling challenges. This disclosure provides several technical solutions to the problem of effectively pre-lithiating electrodes. Some variations provide an electrochemical method of pre-lithiating a lithium-ion battery containing lithium vanadium oxide. Porous electrodes ameliorate the V2O5 pre-lithiation procedure, enhancing overall efficiency. Various configurations are disclosed, employing two or three electrodes. Other methods pre-lithiate any electrode material for a lithium-ion battery, utilizing a liquid lithium-ion conductor in a transport path with an electrode precursor powder material, to react lithium with the electrode precursor material, thereby generating a pre-lithiated electrode. Still other methods pre-lithiate any electrode material for a lithium-ion battery, mechanically agitating an electrode precursor material with a solid lithium-containing material, to react lithium with the electrode precursor material, thereby generating a pre-lithiated electrode. Experimental data are presented to demonstrate the technology.

ENERGY STORAGE SYSTEM INCLUDING AN INTEGRATED STRUCTURAL SUBCOMPONENT

Nº publicación: WO2025250962A1 04/12/2025

Solicitante:

FLUENCE ENERGY LLC [US]
FLUENCE ENERGY, LLC

Resumen de: WO2025250962A1

An energy storage enclosure including a battery pack, a plurality of battery modules arranged within the battery pack, a plurality of battery submodules arranged within each of the battery modules, and a plurality of battery cells arranged within each of the plurality of battery submodules. Each of the battery submodules includes a structural subcomponent having a first structural plate, a second structural plate, a first structural end plate fixedly attached to the first structural plate and the second structural plate, and a second structural end plate fixedly attached to the first structural plate and the second structural plate.