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SECONDARY BATTERY

Resumen de: US2025300282A1

A secondary battery includes: an electrode assembly; a case body accommodating the electrode assembly, the case body comprising an open inlet; a cover member configured to shield the inlet of the case body; and an adhesive part between the case body and the cover member, the adhesive part comprising an adhesive component to secure the cover member to an outer side of the case body, wherein the case body and the cover member are made of different materials.

HEATER AND LIQUID TRANSPORT FOR AN AEROSOL DELIVERY SYSTEM

Resumen de: US2025295167A1

The present disclosure relates to an aerosol delivery device. In some implementations, the aerosol delivery device may comprise a control device and a cartridge having a mouthpiece portion and a tank portion with respective proximal and distal ends, the tank portion being configured to contain a liquid composition, and the cartridge further including a liquid transport element and an atomizing member. At least a portion of the liquid transport element may be positioned proximate the atomizing member, and at least a portion of the atomizing member may be positioned proximate the distal end of the mouthpiece portion. In other implementations, at least a portion of the atomizing member may be positioned above the proximal end of the tank portion. In still other implementations, at least a portion of the atomizing member may be positioned between the proximal end of the tank portion and the distal end of the tank portion.

Internal Built-in Tab Fuses for Secondary Battery Cells, and Secondary Battery Cells Containing Such Internal Fuses

Resumen de: US2025300332A1

Fuses, for example, for preventing thermal runaway, that are built-in electrode tabs of current collectors of secondary battery cells and that are located internal to the secondary battery cells. In some embodiments, a built-in tab fuse of this disclosure includes an integral tab portion that is integral and monolithic with the current collector and a free-standing tab component that is spaced from the integral tab portion by a gap. The fuse spans the gap. In some embodiments, the fuse includes a material different from the material that composes the current collector. In some embodiments, a built-in tab fuse of this disclosure is covered by a thermally insulating material.

MULTI-LOBED MEMBRANE AND/OR SODIUM-METAL-HALIDE AND/OR MOLTEN SALT BATTERIES INCLUDING SAID MULTI-LOBED MEMBRANE THEREIN

Resumen de: US2025300320A1

A separator for a metal conversion battery can include an alkali metal-conducting ceramic material, where at least five convex curves and at least five concave curves can define a closed transverse cross-sectional profile of the separator, where the transverse cross-sectional profile can be perpendicular to a longitudinal axis of the separator.

IMMERSION-TYPE LIQUID-COOLED ENERGY STORAGE BATTERY PACK

Resumen de: WO2025195086A1

The present application provides an immersion-type liquid-cooled energy storage battery pack. The immersion-type liquid-cooled energy storage battery pack comprises an enclosure structure (300), a first liquid-cooling plate (100) and a second liquid-cooling plate (200), wherein the enclosure structure (300) has an accommodating space (330) for accommodating a battery (2000), and two ends of the accommodating space (330) in a first direction are provided with openings; the first liquid-cooling plate (100) and the second liquid-cooling plate (200) block the openings respectively; the first liquid-cooling plate (100) has a first liquid-cooling flow channel (120) and a first liquid inlet (130) and a first liquid outlet (140) in communication with the first liquid-cooling flow channel (120), the first liquid outlet (140) being in communication with the accommodating space (330); and the second liquid-cooling plate (200) has a second liquid-cooling flow channel (220) and a second liquid inlet (230) and a second liquid outlet (240) in communication with the second liquid-cooling flow channel (220), the second liquid inlet (230) being in communication with the accommodating space (330). The immersion-type liquid-cooled energy storage battery pack is provided with a circulating immersion flow channel for circulating flow of an immersion liquid, wherein the circulating immersion flow channel comprises the first liquid inlet (130), the first liquid-cooling flow channel (120), the first

NICKEL-COBALT-MANGANESE PRECURSOR AND PREPARATION METHOD THEREFOR, AND NICKEL-COBALT-MANGANESE TERNARY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: WO2025194930A1

The present application relates to a nickel-cobalt-manganese precursor and a preparation method therefor, and a nickel-cobalt-manganese ternary positive electrode material and a preparation method therefor. The nickel-cobalt-manganese precursor has a molecular formula of NixCoyMn(1-x-y)(OH)2, wherein 0<x<1, 0<y<1, and x+y<1, and the nickel-cobalt-manganese precursor has an FWHM(001) of 0.459-0.493, and an FWHM(101) of 0.49-0.552. A nickel-cobalt-manganese ternary positive electrode material is prepared by using the nickel-cobalt-manganese precursor, and a D003 crystal plane of the nickel-cobalt-manganese ternary positive electrode material has a grain size of 80-115 nm, and a D104 crystal plane has a grain size of 40-55 nm. The nickel-cobalt-manganese ternary positive electrode material has both an excellent capacity and high-temperature cycling performance and is prepared at a relatively low temperature, so that the energy consumption cost is effectively reduced.

CARBON DIOXIDE PROCESS APPARATUS, CARBON DIOXIDE PROCESS METHOD, AND MANUFACTURING METHOD OF CARBON COMPOUND

Resumen de: US2025296047A1

A carbon dioxide process apparatus includes: a recovery device that includes a carbon dioxide absorption portion which dissolves carbon dioxide in an electrolytic solution of a strong alkali and absorbs the carbon dioxide; an electrochemical reaction device to which the electrolytic solution in which the carbon dioxide is dissolved by the carbon dioxide absorption portion is supplied and which electrochemically reduces the carbon dioxide; an anion exchange type fuel cell that supplies electric energy to the electrochemical reaction device; a carbon dioxide concentration gas supply passage that supplies a carbon dioxide concentration gas generated by the fuel cell to the electrolytic solution which is discharged from the recovery device and before being supplied to the electrochemical reaction device; and a hydrogen supply passage that supplies hydrogen generated by the electrochemical reaction device to the fuel cell.

LIQUID COOLING ASSEMBLY

Resumen de: US2025301600A1

A liquid cooling assembly thermally coupled to multiple heat sources, includes a first heat dissipation assembly including a first base having a first thermal contact surface and a first inner surface positioned opposite to one another, the first thermal contact surface is thermally coupled to one of the heat sources, and a plurality of first fins protrude from the first inner surface, a second heat dissipation assembly including a second base have a second thermal contact surface and a second inner surface positioned opposite to one another, the first thermal contact surface is thermally coupled to one of the heat sources, the first inner surface and the second inner surface are facing toward to each other, and a plurality of second fins protrude from the second inner surface, and a splitter disposed between the first and the second heat dissipation assembly, ends of the first fins and the second fins are connected to the splitter.

CHARGING CONTROL METHOD AND APPARATUS FOR BATTERY

Resumen de: US2025300479A1

Provided is a charging control method. The charging control method may include determining a charging completion voltage of constant current charging or constant power charging as a first value based on a target charging energy of a battery, before a voltage value of the battery reaches the first value during the constant current charging or the constant power charging, determining whether a time point at which the voltage value of the battery reaches the first value is predicted to be near a local minimum point of a voltage rise rate of the battery, and maintaining or changing the charging completion voltage based on a result of determining whether the time point at which the voltage value of the battery reaches the first value is predicted to be near the local minimum point of the voltage rise rate of the battery.

CHARGING OR DISCHARGING CONTROL CIRCUIT AND BATTERY DEVICE

Resumen de: US2025300481A1

A charging or discharging control circuit includes a constant current source that flows a detection current, multiple voltage detection circuits connected in parallel to each of multiple secondary batteries, and a control circuit that receives outputs of the voltage detection circuits. The voltage detection circuit includes a voltage dividing circuit that outputs a divided voltage based on an input voltage between a positive input port and a negative input port, a reference voltage source that outputs a reference voltage, a first comparator circuit that receives and compares the divided voltage and the reference voltage, a second comparator circuit that receives and compares potentials of the positive input port and the negative input port, and switches that block an input voltage to the first comparator circuit. The control circuit, in response to the intermediate terminal being detached, blocks the input voltage to the first comparator circuit.

SYSTEM CONTROL APPARATUS AND SYSTEM CONTROL METHOD FOR BATTERY CHARGING-DISCHARGING SYSTEM

Resumen de: WO2025198237A1

A system control apparatus and a system control method for a battery charging-discharging system are provided. The battery charging-discharging system includes a main power source, charging-discharging equipment, and an auxiliary power source. The system control apparatus comprises: a supervisory circuit for monitoring whether the main power source is abnormal; and a controller for generating a power amount profile of the charging-discharging equipment by applying a mathematical operation to first to m-th power profiles based on operation information of first to m-th chargers/dischargers included in the charging-discharging equipment. m is a natural number greater than or equal to 2. When an abnormality of the main power source occurs, the controller compares a first power amount of the power amount profile to a second power amount of the auxiliary power source, thereby determining whether it is necessary to stop at least one of the first to m-th chargers/dischargers.

SECONDARY BATTERY

Resumen de: WO2025198236A1

The present invention relates to a secondary battery. A secondary battery according to an embodiment of the present invention comprises: a cylindrical electrode assembly; a can housing that accommodates the electrode assembly; and a top cap assembly coupled to the can housing to cover the electrode assembly. The top cap assembly may comprise: a fire-extinguishing module including fire-extinguishing powder that is sprayed onto the electrode assembly; and a top cap disposed above the fire-extinguishing module and electrically connected to the electrode assembly to be electrically connected to the outside, and the fire-extinguishing module may comprise: a fire-extinguishing capsule having an accommodation space for accommodating fire-extinguishing material, and having at least a portion formed to be meltable; and a support frame coupled to the fire-extinguishing capsule to support the fire-extinguishing capsule and having an opening formed in a portion thereof so that the fire-extinguishing material flows to the electrode assembly.

POSITIVE ELECTRODE, PREPARATION METHOD FOR POSITIVE ELECTRODE, AND ALL-SOLID-STATE RECHARGEABLE BATTERY

Resumen de: WO2025198193A1

The present invention relates to a positive electrode and to an all-solid-state rechargeable battery comprising same, the positive electrode comprising: a first positive electrode active material comprising a secondary particle comprising a lithium nickel-based composite oxide and formed by aggregation of a plurality of primary particles, wherein at least a portion of the primary particles are radially arranged, a first coating layer located on the surface of the secondary particle and containing Zr, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte; a second positive electrode active material comprising a secondary particle comprising a lithium nickel-based composite oxide and formed by aggregation of a plurality of primary particles, a first coating layer located on the surface of the secondary particle and containing Zr, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte, wherein the second positive electrode active material has an average particle diameter (D50) that is smaller than the average particle diameter (D50) of the first positive electrode active material; and a solid electrolyte comprising a core particle containing a sulfide-based solid electrolyte and a third coating layer located on the surface of the core particle and containing a lithium-metal-oxide.

SARGASSUM-DERIVED SOLID-STATE ELECTROLYTES

Resumen de: WO2025198700A1

The present technology relates generally to a solid-state electrolyte including about 30 wt.% to about 70 wt.% sodium alginate, about 1 wt.% to about 5 wt.% fucoidan, about 1 wt.% to about 5 wt.% algal protein, about 0 wt.% to about 45 wt.% a polymer that is not a polysaccharide, and about 10 wt.% to about 30 wt.% conductive salt. The sodium alginate, fucoidan, and algal protein may be extracted from naturally occurring sargassum.

BATTERY UNIT AND BATTERY PACK

Resumen de: WO2025194874A1

Disclosed in the present application are a battery unit and a battery pack, which solve the technical problem in the prior art of unbalanced heat dissipation of the battery pack. The battery unit comprises a battery module with a housing, and a heat exchange tank, wherein a lower end of the battery module is arranged in the heat exchange tank, and a gap is provided between the housing and a tank wall and/or a bottom wall of the heat exchange tank; the housing is sealingly connected to the tank wall of the heat exchange tank, such that a heat exchange channel is formed between the housing and the heat exchange tank; and first medium through holes are provided in two opposite ends of the heat exchange tank, and a thermally conductive medium flows into the heat exchange channel through the first medium through hole in one end of the heat exchange tank and then flows out of the heat exchange channel through the first medium through hole in the other end of the heat exchange tank. The battery pack comprises at least one battery unit. In the present application, the overall temperature change of the battery module is more balanced, and the battery module and the heat exchange tank are modular, which are convenient for overhaul.

SODIUM SUPPLEMENTING MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SODIUM ION BATTERY, BATTERY PACK, AND ELECTRICAL DEVICE

Resumen de: WO2025194875A1

The present application relates to the technical field of electrochemistry, and specifically discloses a sodium supplementing material and a preparation method therefor, a positive electrode sheet, a sodium ion battery, a battery pack, and an electrical device. The sodium supplementing material comprises a sodium supplementing agent NaxcyOzHw and a metal oxide catalyst, where 1≤x≤3, 1≤y≤6, 1≤z≤7, and 0≤w≤5. A first EDS test is performed on any first region on the surface of the sodium supplementing material, and the content of a metal element contained in the metal oxide catalyst is measured to be C0. A second EDS test is performed on the first region after melting, and the content of the metal element contained in the metal oxide catalyst is measured to be C1, where C1>C0.

BATTERY PACK AND ELECTRICAL DEVICE

Resumen de: WO2025195172A1

The present disclosure relates to the technical field of traction batteries. Provided are a battery pack and an electrical device. The battery pack comprises a beam frame assembly, a liquid-cooling plate and a first connecting member, wherein the battery pack has a first direction, a second direction and a third direction which are perpendicular to one another; the beam frame assembly comprises a case beam extending in the second direction, the liquid-cooling plate is connected to one side of the case beam in the third direction, a first connection hole is provided in the end of the case beam that faces the liquid cooling plate, the case beam is provided with side plates opposite to each other in the first direction, at least one of the side plates is provided with a first clearance hole penetrating in the first direction, and the first clearance hole and the first connection hole are both in communication with a mounting space of the case beam; and the first connecting member sequentially passes through the liquid-cooling plate and the first connection hole and is connected to the case beam, and a projection of a first end of the first connecting member on a plane where the side plate provided with the first clearance hole is located is located within the first clearance hole. The battery pack provided in the present disclosure can prevent the first connecting member from being improperly assembled and prevent the beam frame assembly from being squeezed, deformed and damaged

CHARGING CONTROL DEVICE, PORTABLE TERMINAL APPARATUS, CHARGING CONTROL METHOD, AND PROGRAM

Resumen de: US2025300473A1

In a charging control device 10, a processor 12 performs: calculating increase speed of storage degradation during a predetermined period on the basis of a first integrated amount and a second integrated amount, the first integrated amount being an integrated amount of the storage degradation of a battery 20 at a first point in time, the second integrated amount being the integrated amount of the storage degradation at a second point in time after the predetermined period has passed from the first point in time; predicting a third integrated amount that is the integrated amount of the storage degradation in a case where it is assumed that the calculated increase speed of the storage degradation is maintained until target operation time of the battery; predicting a second capacity retention rate on the basis of a first capacity retention rate, the third integrated amount, and the second integrated amount, the second capacity retention rate being a capacity retention rate of the battery at the target operation time, the first capacity retention rate being the capacity retention rate at the second point in time; and controlling the full-charging voltage value on the basis of the second capacity retention rate.

METHOD AND SYSTEM FOR DEACTIVATING SECONDARY BATTERIES

Resumen de: US2025300472A1

A method of deactivating a secondary battery includes setting discharge conditions for a secondary battery having a positive voltage, connecting a current or voltage adjustable power source to the secondary battery, and overdischarging the secondary battery to a voltage minimum point, which is a negative voltage, by adjusting at least one of current or voltage of the current or voltage adjustable power source based on the discharge conditions.

BATTERY DISCONNECTION SYSTEM AND FAILURE DETECTION METHOD

Resumen de: US2025300449A1

A battery disconnection system includes: a main relay connected between a battery and a load; a pre-charge relay and a pre-charge resistor connected in parallel to the main relay and connected in series; a current sensor that measures a current of the battery; a pyrotechnic disconnection device that cuts off the current of the battery; a voltage measurement unit that measures a voltage of the pre-charge resistor; and a control circuit. The control circuit controls the pyrotechnic disconnection device based on a measured value of the current sensor when the main relay is turned on, and detects a failure of the current sensor based on a measured value of the voltage measurement unit when the main relay is turned off and the pre-charge relay is turned on.

POWER CONVERTER, POWER SYSTEM, AND CONTROL METHOD OF POWER CONVERTER

Resumen de: US2025300464A1

A power converter includes: a power conversion unit configured to convert power input from a bus, output the converted power to a power element, convert power input from the power element, and output the converted power to the bus; a measurement unit configured to measure an electrical characteristic value of power input to and from the power conversion unit; a storage unit configured to store a first reference function and a second reference function; a setting unit configured to set a power conversion characteristic of the power conversion unit based on an electrical characteristic value; and a management unit configured to manage a renewable energy charge amount and manage an amount of power derived from renewable energy supplied from the power element.

CONTROL DEVICE

Resumen de: US2025300476A1

The power storage device includes a plurality of kinds of secondary batteries and a control device that determines a discharge order of the secondary batteries. When the value indicating the storage state of the entire secondary battery becomes equal to or smaller than the threshold value, the control device preferentially discharges the low-precision battery having the relatively low estimation accuracy of the storage state, as compared with the high-precision battery having the relatively high estimation accuracy of the storage state.

POSITIVE ELECTRODE, PREPARATION METHOD THEREOF, AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: WO2025198194A1

The present invention relates to a positive electrode and an all-solid-state rechargeable battery comprising same, the positive electrode comprising: a first positive electrode active material, which comprises secondary particles containing a lithium nickel-based composite oxide and formed by agglomeration of a plurality of primary particles, wherein at least a portion of the primary particles has a radial arrangement structure, a first coating layer located on the surfaces of the secondary particles and containing boron, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte; a second positive electrode active material, which contains a lithium nickel-based composite oxide and is in the form of single-particles, and comprises a first coating layer located on the surfaces of the single-particles and containing boron, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte, and which has an average particle diameter (D50) smaller than an average particle diameter (D50) of the first positive electrode active material; and a solid electrolyte, which comprises core particles containing a sulfide-based solid electrolyte, and a third coating layer located on the surfaces of the core particles and containing a lithium-metal-phosphate.

BATTERY SYSTEM AND OPERATING METHOD THEREOF

Resumen de: WO2025198156A1

A battery system according to an embodiment of the present invention may comprise: a plurality of batteries; and a battery control device for controlling a main switch arranged on an input/output path of each of the plurality of batteries, so that the batteries are controlled to be connected in parallel to a DC link. Here, the battery control device may select target batteries to be connected in parallel, on the basis of the state information of the batteries, and control the target batteries to be connected in parallel such that the target batteries are connected to the DC link at different time points by sequentially controlling main switches of the respective target batteries.

COATING APPARATUS

Nº publicación: WO2025198438A1 25/09/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
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