Alerta

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: US2025286214A1

An electrode assembly includes a positive electrode plate, a negative electrode plate, a first separator, and a second separator. The first separator includes a first base film, a first adhesive layer, and a first ceramic coating. The first base film is a nonwoven fabric film. A first binder includes at least one of polyvinylidene fluoride or poly(vinylidene fluoride-co-hexafluoropropylene). The first ceramic coating includes first ceramic particles. The first ceramic particles include at least one of aluminum oxide, zirconium dioxide, titanium dioxide, or silicon dioxide. The second separator includes a second base film, a second adhesive layer, and a second ceramic coating. The second base film is a polymeric microporous film. A second binder includes at least one of polyimide, polyvinyl alcohol, or sodium carboxymethyl cellulose. The second ceramic coating includes second ceramic particles. The second ceramic particles include boehmite.

VEHICLE BATTERY FIRE PREVENTION SYSTEM USING LIQUEFIED CARBON DIOXIDE, AND ELECTRIC VEHICLE BATTERY MODULE AND ELECTRIC VEHICLE INCLUDING THE SAME

Resumen de: US2025281778A1

A vehicle battery fire prevention system includes: a housing configured to provide an accommodation space in which a battery module is accommodated; a chamber configured to store a fire extinguishing gas to be sprayed into the housing in the form of fire extinguishing liquid; a fire extinguishing tube connected to the chamber, and extended into the housing along a predetermined path; and a control unit configured to control the spraying of the fire extinguishing gas through the fire extinguishing tube; wherein the control unit performs control so that spraying corresponding to a plurality of predetermined conditions for spraying into the accommodation space can be performed.

Apparatus for Manufacturing Negative Electrode for Secondary Battery

Resumen de: US2025281940A1

A negative electrode manufacturing device for a secondary battery includes a slot die including an upper block, a lower block, and a slot provided through a gap between the upper block and the lower block configured to discharge the negative electrode slurry. The upper and lower blocks include an upper lip and a lower lip forming an outlet at respective front ends of the blocks. The upper and lower lips exhibit magnetism of the same polarity. The carbon-based negative electrode active material in the discharged negative electrode slurry may be applied with the crystal faces oriented at a predetermined angle with respect to the surface of the current collector. Therefore, the manufactured negative electrode has an excellent degree of orientation of the carbon-based negative electrode active material and is being applied to a mass production process. Also provided is a method of manufacturing a negative electrode using the same.

AEROSOL GENERATING DEVICE

Resumen de: US2025280894A1

An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a battery, a temperature sensor configured to sense a temperature of the battery, a plurality of heaters, and a controller. The controller is configured to determine a threshold for a duty ratio corresponding to an output of the battery, based on the temperature of the battery, and adjust at least one of duty ratios corresponding to each of the plurality of heaters based on a total duty ratio corresponding to the plurality of heaters equal to or greater than the threshold.

ELECTRODE AND ELECTRONIC ATOMIZATION DEVICE

Resumen de: US2025280885A1

An electrode disposed in an electronic atomization device includes: a first electrical conduction member; and a second electrical conduction member, the second electrical conduction member being disposed, for discharging, at an end of the first electrical conduction member along an extending direction. A heat resistance of the second electrical conduction member is greater than a heat resistance of the first electrical conduction member.

APPARATUS WITH A CIRCUIT FOR CONTROLLING THE POWER MODE OF AN AEROSOL GENERATING DEVICE

Resumen de: US2025280883A1

An apparatus and method of application are described, which include a first switching arrangement configured to generate an alternating current from a power source. The alternating current flows through an inductive element of a resonant circuit for inductively heating a susceptor arrangement and heats an aerosol generating material of an aerosol generating device to generate an aerosol in a heating mode of operation. A driver circuit generates a control signal for controlling the first switching arrangement and a power mode switching arrangement is configured to disconnect at least a part of the driver circuit from the power source in a power saving mode of operation.

BATTERIEPACKUNG

Resumen de: DE102025105334A1

Eine Batteriepackung gemäß der vorliegenden Offenbarung ist in einem Fahrzeug zu montieren und umfasst in einem Zustand, in dem die Batteriepackung an einer Fahrzeugkabinenunterseite des Fahrzeugs montiert ist, eine Vielzahl von Batteriezellen, die in einer Vorne-Hinten-Richtung des Fahrzeugs gestapelt sind, ein Gehäuse, das die Batteriezellen beherbergt, und ein geteiltes Panel, das unterhalb des Gehäuses angeordnet ist. Die Batteriezellen umfassen jeweils einen Zellenöffnungsabschnitt und ein Zellenventil. Der Zellenöffnungsabschnitt ist in einer Bodenfläche der Batteriezelle vorgesehen. Das Zellenventil ist in dem Zellenöffnungsabschnitt vorgesehen. Das Gehäuse enthält einen Gehäuseöffnungsabschnitt, der mit dem Zellenöffnungsabschnitt in Verbindung steht. Der Gehäuseöffnungsabschnitt ist in einer Bodenfläche des Gehäuses vorgesehen. Ein Rauchabzugspfad befindet sich zwischen dem Gehäuse und dem geteilten Panel. Das geteilte Panel steht auf der Seite des Zellenventils vor.

Batterie

Resumen de: DE102025108614A1

Ein Ziel der Offenbarung besteht darin, eine Erhöhung der Batteriekapazität zu erreichen. Die Batterie weist auf: einen Elektrodenkörper, der eine erste Oberfläche aufweist, an der ein Positivelektrodenanschluss und ein Negativelektrodenanschluss angeordnet sind; und ein Außenelement, das den Elektrodenkörper beherbergt. Das Außenelement weist auf: ein Kastenelement, das eine kastenförmige Gestalt aufweist, die einen flachen plattenförmigen ersten Seitenabschnitt, der der ersten Oberfläche gegenüberliegt und ein Durchgangsloch aufweist, einen flachen plattenförmigen zweiten Seitenabschnitt, der sich auf der gegenüberliegenden Seite des ersten Seitenabschnitts befindet, und einen flachen plattenförmigen dritten Seitenabschnitt aufweist, der den ersten Seitenabschnitt und den zweiten Seitenabschnitt verbindet, wobei das Kastenelement elektrisch mit dem Negativelektrodenanschluss verbunden ist; ein Plattenelement, das innerhalb des Durchgangslochs angeordnet ist, sodass es in einer Draufsicht von dem ersten Seitenabschnitt getrennt von diesem ist, und das elektrisch mit dem Positivelektrodenanschluss verbunden ist; und einen Dichtungskörper, der mit dem ersten Seitenabschnitt, dem Plattenelement und einem Spalt zwischen dem ersten Seitenabschnitt und dem Plattenelement in der Draufsicht von dem ersten Seitenabschnitt überlappt, wobei der Dichtungskörper den Spalt abdichtet.

ELECTRODE, BATTERY, AND POWER CONSUMING DEVICE

Resumen de: US2025286054A1

An electrode, a battery, and a power consuming device are provided. The electrode includes a current collector layer and an active layer. The active layer is disposed on a surface of the current collector layer. The active layer includes active particles and electrolyte retention particles. Each of the electrolyte retention particles includes a core and a shell. The core is coated with the shell. The shell includes multiple sub-particles. Each of the multiple sub-particles has capillary pores.

CATHODE ACTIVE MATERIAL AND PRODUCTION METHOD OF CATHODE ACTIVE MATERIAL

Resumen de: US2025286053A1

The cathode active material includes a plurality of secondary particles. Each of the secondary particles includes three to twenty primary particles. The primary particles contain a lithium metal composite oxide. A structure of the lithium metal composite oxide is a layered-rocksalt structure. The particle size distribution of the primary particles has “Dmin” of 0.3 μm or more and “DFWHM” of 0.10 μm or more. The particle size distribution is number-based distribution. The Dmin indicates a smallest diameter in the particle size distribution. The DFWHM indicates full width at half maximum of a greatest peak of the particle size distribution.

BATTERY PACK

Resumen de: US2025286197A1

A battery pack according to the present disclosure is to be mounted on a vehicle, and includes, in a state in which the battery pack is mounted on a vehicle cabin lower side of the vehicle: a plurality of battery cells stacked in a front-rear direction of the vehicle; a case that accommodates the battery cells; and a shared panel disposed below the case. The battery cells each include a cell opening portion and a cell valve. The cell opening portion is provided in a bottom surface of the battery cell. The cell valve is provided in the cell opening portion. The case includes a case opening portion communicating with the cell opening portion. The case opening portion is provided in a bottom surface of the case. A smoke exhaust path is located between the case and the shared panel. The shared panel protrudes to the cell valve side.

LAMINATED BATTERY AND METHOD FOR MANUFACTURING LAMINATED BATTERY

Resumen de: US2025286247A1

In the laminated battery, the current collector terminal has one slit portion on a part of a surface facing the electrode laminate, all of the plurality of current collector foils are collected to form a collected foil portion, and the collected foil portion is inserted and joined to the slit portion, whereby the electrode laminate is electrically connected to the current collector terminal via the current collector foils. The method for manufacturing a laminated battery includes inserting a collected foil portion into a slit portion of a current collector terminal, disposing resistance welding electrodes on both sides of the current collector terminal so as to sandwich the slit portion, energizing the resistance welding electrode while pressing the current collector terminal with the resistance welding electrode, and resistance welding the current collector foil in the slit portion, and accommodating the electrode laminate with the current collector terminal and the exterior body.

ELECTRODE ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: US2025286246A1

An electrode assembly includes a plurality of first electrodes, each of the plurality of first electrodes including a first substrate coated with an electrode active material, and a first protrusion protruding from one side of the first substrate and having a first electrode tab of a first length thereon, which is partially uncoated, a plurality of second electrodes, each of the plurality of second electrodes including a second substrate coated with an electrode active material, and a second protrusion protruding from one side of the second substrate and having a second electrode tab of the first length thereon, which is partially uncoated, and a plurality of separators, each of the plurality of separators interposed between one of the plurality of first electrodes and one of the plurality of second electrodes.

SECONDARY BATTERY INCLUDING CURRENT COLLECTOR, METHOD OF MANUFACTURING THE SECONDARY BATTERY, AND JIG FOR MANUFACTURING THE SECONDARY BATTERY

Resumen de: US2025286243A1

A secondary battery having a current collector connected to a terminal, a method of manufacturing the same, and a jig to bring the current collector into close contact with the terminal are provided. The secondary battery includes a casing having an opening formed therein, an electrode assembly accommodated in the casing, a current collector electrically connected to the electrode assembly, a cap plate installed in the opening of the casing, and a terminal located on the cap plate for electrical connection to the current collector. The current collector includes a conductive boss coupled to the terminal, and a groove is formed at an end of the conductive boss, with the groove being configured to be coupled to an external jig. The external jig includes a drawbar configured to be coupled to the groove of the conductive boss such that the jig can pull the conductive boss into close contact with the terminal.

COMPOSITE LITHIUM MANGANESE IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: US2025282619A1

A composite lithium manganese iron phosphate positive electrode material, and a preparation method therefor and a use thereof. The composite lithium manganese iron phosphate positive electrode material comprises a lithium iron phosphate core (1), and an iron phosphide intermediate layer (2) and a composite coating layer sequentially stacked on the surface of the lithium iron phosphate core (1), the composite coating layer comprising a lithium manganese iron phosphate material (3) coated with a carbon material (4). A unique structural design enables the positive electrode material to have excellent electrochemical performance.

Battery-Powered Power Tool

Resumen de: AU2024278359A1

Abstract A battery-powered power tool comprising: an effector; a battery holding unit for releasably holding a battery unit; and a control system comprising a working parameter for controlling a working operation of the power tool, and electrical terminals for electrically connecting the control system to a battery unit received in the battery holding unit for transmitting electrical signals; wherein the control system is adapted to determine a battery status of a battery unit received in the battery holding unit, and wherein the working parameter is dependent on the battery status. Abstract A battery-powered power tool comprising: an effector; a battery holding unit for releasably holding a battery unit; and a control system comprising a working parameter for controlling a working operation of the power tool, and electrical terminals for electrically connecting the control system to a battery unit received in the battery holding unit for transmitting electrical signals; wherein the control system is adapted to determine a battery status of a battery unit received in the battery holding unit, and wherein the working parameter is dependent on the battery status. Fig. 1 Fig. 1 ec e c i g

ARCHITECTURE FOR BATTERY PACKS

Resumen de: AU2024236544A1

A battery assembly includes an enclosure, and a plurality of battery modules within the enclosure. Each battery module includes an array of battery cells, one or more first sensors configured to measure one or more first parameters of the corresponding battery module, and a first processor configured to receive sense signals from the one or more first sensors of the corresponding battery module. One or more second sensors are within the enclosure, but external to the battery modules, and configured to measure one or more second parameters of the battery assembly. A second processor within the enclosure is to receive data from each of first processors and the one or more second sensors, and transmit controller input data to a controller external to the battery assembly, the controller input data based on the data received from the first processors and the one or more second sensors.

NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE PLATE, AND BATTERY

Resumen de: US2025286050A1

Disclosed are a negative electrode material, a negative electrode plate and a battery. The negative electrode material has a core-shell structure, a shell layer includes a carbon layer, a core includes porous carbon and silicon particles distributed in an outer pore of the porous carbon, the porous carbon further includes an inner pore, and the negative electrode material includes a metal element. The negative electrode material in the present disclosure can provide buffer space when lithium intercalation volume expansion occurs on silicon particles, and has high stability on an interface with an electrolyte solution interface. The negative electrode plate including the negative electrode material of the present disclosure has features of high specific capacity and high initial Coulombic efficiency. The battery including the negative electrode plate in the present disclosure has high energy density, high cycling stability, good rate performance, and a low volume expansion rate.

ANODE MATERIALS, ANODE SHEETS AND PREPARATION METHOD THEREOF, AND LITHIUM ION BATTERIES AND PREPARATION METHOD THEREOF

Resumen de: US2025286044A1

The present disclosure relates to an anode material, an anode sheet and a lithium-ion battery, and belongs to the technical field of lithium-ion battery materials. The anode material comprises a silicon-based material, a carbon-coated tin nanowire and a carbon nanotube. The carbon-coated tin nanowire and the carbon nanotube both have a certain length, and have flexibility and elasticity to some extent. And they are mixed with the silicon-based material to form a three-dimensional conductive network structure, which can alleviate the volume effect of the anode material during the lithiation/delithiation process. Thus the lithium-ion battery has a large specific capacity and high cycling stability. At the same time, the anode material has a remarkable ionic conductivity and an excellent electronic conductivity, thereby obtaining a better conductivity.

ANODED MATERIAL AND BATTERY

Resumen de: US2025286046A1

An anode material includes a carbon material and a silicon material, and the silicon material is located inside a particle the carbon material and/or between particles of the carbon material; a total volume of the carbon material is VC, and a total volume of the silicon material is VSi, wherein 0.9≤VC/VSi≤2.3; an SEM section of a particle of the anode material is divided into a plurality of unit regions with an area of A×B, wherein A×B=104 nm2, an average distance between adjacent particles of the silicon material in any unit area is d nm, and 3≤d≤50. According to the anode material provided by the present disclosure, the dispersion uniformity of the silicon material can be improved, the volume expansion of the anode material can be effectively inhibited, and the battery cycle performance is improved.

POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025286045A1

A positive electrode plate includes a positive active material layer. The positive active material layer includes a first positive active material and a second positive active material. The first positive active material and the second positive active material each independently include a lithium-containing transition metal oxide. An outer surface of the second positive active material includes a passivation layer; and/or an average particle diameter Dv50 of the second positive active material is greater than an average particle diameter Dv50 of the first positive active material.

LITHIUM SECONDARY BATTERY

Resumen de: US2025286244A1

There is provided a technique for improving output characteristics of a lithium secondary battery while reducing the weight of the lithium secondary battery. The lithium secondary battery includes (a) a first laminate including a first electrode including a first current collector composed of a first insulating layer sandwiched by a pair of first conductive layers, wherein the first current collector has a first end part; (b) an intermediate laminate including an electrode having a polarity different from a polarity of the first electrode and a separator; (c) a second laminate that is configured to be disposed to be spaced apart from the first laminate in the lamination direction by interposing the intermediate laminate, wherein the second laminate includes a second electrode including a second current collector composed of a second insulating layer sandwiched by a pair of second conductive layers and having the same polarity as the polarity of the first electrode, and the second current collector has a second end part; and (d) an electrode tab that is configured to constitute a joining region with at least the first end part and the second end part and is electrically connected to the first laminate and the second laminate, wherein the first insulating layer and the second insulating layer include a resin having a glass transition temperature of 60° C. or lower.

NONAQUEOUS ELECTROLYTE SOLUTION, NONAQUEOUS ELECTROLYTE SOLUTION BATTERY, COMPOUND, AND ADDITIVE FOR NONAQUEOUS ELECTROLYTE SOLUTION

Resumen de: US2025286113A1

Provided are a nonaqueous electrolyte solution containing: (I) a compound represented by Formula (1) described in the specification (for example, a compound represented by the following Formula (a-1)); (II) a solute; and (III) a nonaqueous organic solvent, a nonaqueous electrolyte solution and a nonaqueous electrolyte solution battery that can improve high-temperature cycle characteristics and suppress an increase in battery resistance by using the compound represented by Formula (1) and an additive for nonaqueous electrolyte solution, and a compound and an additive for nonaqueous electrolyte solution that can be suitably used in the nonaqueous electrolyte solution described above.

METHOD FOR ASSEMBLING BATTERY MODULE AND HOLDING MECHANISM

Resumen de: US2025286112A1

A battery module assembling method includes a region forming step of forming a region where a cell stack is placeable between a pair of holding plates by applying a coercive deformation force that deforms at least one of the pair of holding plates against an elastic biasing force, a arranging step of arranging the cell stack in the region formed in the region forming step, and a pressing step of pressing the cell stack in the stacking direction by the elastic biasing force, by removing the coercive deformation force in a state where the cell stack is placed in the region.

BATTERY MODULE

Nº publicación: US2025286110A1 11/09/2025

Solicitante:

HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD

Resumen de: US2025286110A1

A battery module according to one embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells are stacked; a pair of end plates provided at both ends of the battery cell stack in the stacking direction; and a cushioning material arranged either between the battery cells, or between the battery cell stack and the end plates, or both. The cushioning material includes: a first pack and a second pack with an inner diameter larger than that of the first pack; gas filled in an internal space of the first pack; and liquid filled in a space between the first pack and the second pack.