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BATTERY DIAGNOSTIC DEVICE AND OPERATION METHOD THEREOF

Resumen de: WO2025198164A1

A battery diagnostic device, according to one embodiment disclosed in the present document, comprises: an interface for acquiring a first charging profile at the middle of life (MOL) of a battery cell; and at least one processor for predicting a second charging profile by using a battery physical model indicating a battery state, and an input parameter dependent on a change in a degradation index corresponding to the first charging profile, and calculating a degradation index of the battery cell corresponding to each of the first charging profile and the second charging profile.

BATTERY SYSTEM AND VEHICLE INCLUDING SAME

Resumen de: WO2025198130A1

Disclosed are a battery system and a vehicle including same, the battery system comprising: a battery module having venting parts formed on one surface thereof; a pack case having the battery module installed therein; and resilient parts provided on one surface of the battery module, disposed at points that do not overlap with the venting parts, and parts of which protrude toward the pack case and are supported, thereby pressing one surface of the battery module relative to the pack case.

LITHIUM-ION BATTERY AND ELECTRIC DEVICE

Resumen de: WO2025194936A1

Disclosed in the embodiments of the present application are a lithium-ion battery and an electric device. The lithium-ion battery comprises an electrolyte, wherein the electrolyte comprises a lithium salt, and the concentration c of the lithium salt in the electrolyte satisfies: c≥1 mol/L; the density ρ of the electrolyte satisfies: 0.9 g/mL≤ρ≤1.23 g/mL; and the charging time t of charging the lithium-ion battery from 10% SOC to 80% SOC satisfies 8.8 min≤t≤15 min: The lithium-ion battery has both good fast-charging capability and cycling performance.

CURRENT COLLECTOR, COOLING ASSEMBLY, BATTERY, AND ELECTRICAL DEVICE

Resumen de: WO2025194683A1

Embodiments of the present disclosure provide a current collector, a cooling assembly, a battery, and an electrical device. The current collector is used to connect to a harmonica-shaped tube, and comprises a cover body, supporting ribs, and a supporting elastic piece. The cover body is provided with a first flow channel having a first opening. Multiple supporting ribs are connected to the cover body at intervals, and are located in the first flow channel. A snap-fit groove is formed between the supporting ribs and the cover body, the snap-fit groove being used for containing the harmonica-shaped tube. The supporting elastic piece is connected to the supporting ribs, and at least a portion of the supporting elastic piece extends between two adjacent supporting ribs, the supporting elastic piece being used to support the harmonica-shaped tube.

SINGLE BATTERY AND BATTERY PACK

Resumen de: WO2025194740A1

The present application relates to the related technical field of batteries. Disclosed are a single battery and a battery pack, which are used to solve the problems of short circuits and low yield rates of single batteries due to the fact that welding slag and metal burrs in existing single batteries escape into battery cells. The single battery provided in the present application comprises: a cap, wherein the cap is provided with a terminal post hole penetrating the cap in a first direction Z; a terminal post, which passes through the terminal post hole; at least two battery cells, each of which comprises a body and a tab bundle connected to the body, wherein each tab bundle consists of a plurality of stacked tabs and has a welding portion, there is a gap between welding portions of tab bundles of two adjacent battery cells in a second direction X, and in a non-welding area of each welding portion, there is a slit between two adjacent tabs on the same tab bundle in the first direction Z; and a protective adhesive structure, which comprises a filling portion and a covering portion, wherein the filling portion fills gaps and slits, and the covering portion is connected to the surface of each welding portion that faces away from the terminal post and at least covers a welding mark formed in a welding area of each welding portion.

RECHARGEABLE BATTERY

Resumen de: US2025300329A1

A rechargeable battery includes: an electrode assembly having an uncoated region; a can having a bottom portion facing the uncoated region and a side portion connected to an edge of the bottom portion, the can accommodating the electrode assembly in an inner space thereof, the bottom portion of the can having a base part connected to the side portion and a plurality of welding stepped parts protruding from the base part toward the uncoated region and welded to the uncoated region; and a cap plate coupled to an open end of the side portion to seal the can.

FORMATION METHOD FOR POUCH-TYPE BATTERY CELLS

Resumen de: US2025300256A1

A method of forming a battery cell using a formation device for a pouch-type battery cell includes a first charging step of charging a battery cell in a charging part; a hole processing step of forming a discharge hole in the gas pocket part of the charged battery cell; a gas discharging step of discharging internal gases generated during charging through a discharge hole; and a sealing step of sealing a discharge hole.

Battery System and Battery Management System Commonizing Method

Resumen de: US2025300253A1

A battery system includes a battery module; a cell monitor controller (CMC) including a battery monitoring integrated circuit (BMIC) that monitors a cell voltage of each of the plurality of battery cells based on a signal received from the plurality of input terminals; and a branch board including a plurality of wirings that provide a power path connecting the plurality of battery terminals and the plurality of input terminals of the CMC, and a plurality of switches that have one end connected to one of each of a plurality of adjacent two wirings included in the plurality of wirings and the other end connected to the other of each of the two wirings.

ELECTRODE ASSEMBLY SHORT CIRCUIT TEST DEVICE AND METHOD FOR RECHARGEABLE BATTERY

Resumen de: US2025300249A1

An electrode assembly short-circuit test apparatus for a rechargeable battery, includes: a first plate to press a first side of an electrode assembly, the electrode assembly including a negative electrode, a positive electrode, and a separator between the negative electrode and the positive electrode; a second plate to press a second side of the electrode assembly against the first plate; and a continuous pulser connected to a negative electrode tab and a positive electrode tab of the electrode assembly to apply continuous pulses to the negative electrode tab and the positive electrode tab.

STACKED STRUCTURE

Resumen de: US2025300254A1

The stacked structure includes a battery module, a conductive member, a first conductive adhesive, and a first temperature sensor. The conductive member is laminated on the battery module. The first conductive adhesive is disposed between the battery module and the conductive member. The first conductive adhesive adheres the battery module and the conductive member to each other. The first conductive adhesive electrically connects the battery module and the conductive member to each other. The first temperature sensor is disposed between the battery module and the conductive member to be in contact with the first conductive adhesive.

BATTERY CASE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2025198129A1

The present invention introduces a battery case, and a battery pack and a vehicle including same, the battery case comprising: a case body accommodating batteries in an inner space; exhaust holes formed in the case body and discharging gas generated from the batteries from the inside of the case body to the outside; and a gas discharge amplifier installed on the exhaust holes to amplify the flow rate of the gas discharged through the exhaust holes.

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY BOTH COMPRISING SAME

Resumen de: WO2025198372A1

The positive electrode active material according to the present invention is a positive electrode active material including a lithium nickel-based oxide in the form of a single particle consisting of one single nodule or a quasi-single particle which is a composite of 30 or fewer nodules, wherein the lithium nickel-based oxide includes cobalt (Co) and aluminum (Al) and the concentration ratios of cobalt (Co) and aluminum (Al) on the surface of the lithium-nickel-based oxide, as measured by energy dispersive X-ray spectroscopy (EDX), satisfy the following Equations 1 and 2, respectively: Equation 1 (Co concentration ratio inside the nodule with respect to the positive electrode active material) ≤ (Co concentration ratio at the nodule interface with respect to the positive electrode active material) ≤ (Co concentration ratio at the surface of the lithium-nickel-based oxide particles with respect to the positive electrode active material) Equation 2 (Al concentration ratio at the surface of the lithium-nickel-based oxide particles with respect to the positive electrode active material) ≤ (Al concentration ratio at the nodule interface with respect to the cathode active material) < (Al concentration ratio inside the nodule with respect to the cathode active material)

APPARATUS AND METHOD FOR MONITORING ABRASIVENESS OF ROTARY FORMING TOOL FOR BATTERY CAN

Resumen de: WO2025198121A1

Provided is an apparatus capable of monitoring the abrasiveness of a forming tool for applying pressure to a battery can in the radial direction of the battery can along the circumferential direction thereof while rotating the battery can, to perform plastic working of the battery can in the radial direction thereof. The apparatus comprises: a can table installed to be rotatable about the central axis thereof; a process tool which is installed to be rotatable about a predetermined rotational center, is installed to be movable in a direction in which the process tool approaches or moves away from a can installed on the can table, and has a processing surface provided around the rotational center; a pressure sensor pressurized by the processing surface and measuring a pressure distribution; and a monitoring unit for calculating information related to a profile of the processing surface from the pressure distribution.

BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2025198120A1

A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case housing the battery cell stack; and flame retardant pads disposed between the plurality of battery cells inside the module case, wherein a cut part is provided at one end of each flame retardant pad.

ENERGY STORAGE DEVICE

Resumen de: US2025300287A1

The present application relates to the technical field of energy storage, and in particular to an energy storage device. The energy storage device includes a cabinet and multiple dehumidifier sets. The multiple dehumidifier sets are arranged in a vertical direction inside the cabinet and are spaced apart. Each of the multiple dehumidifier sets includes multiple dehumidifiers that are arranged in a horizontal direction and are spaced apart, and a projection of each dehumidifier of one of two adjacent dehumidifier sets on a horizontal plane does not overlap a projection of each dehumidifier of the other one of the two adjacent dehumidifier sets on the horizontal plane.

SEPARATOR, SECONDARY BATTERY, AND ELECTRONIC APPARATUS

Resumen de: US2025300243A1

A separator includes a polyethylene base film and a coating provided on at least one surface of the polyethylene base film, where a pore closing temperature of the separator is T1, a pore closing temperature of the polyethylene base film is T2, and 3° C.≤T2−T1≤17° C.; and the separator has a porosity P of 15% to 55% after being placed at 110° C. for 10 min. When the separator is used, during drop process of the secondary battery, a pore closing tendency of the separator can block reactions between positive and negative electrodes. This can improve the drop performance of the secondary battery at high temperatures and effectively improve the intermittent cycling performance of the secondary battery at high temperatures.

BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE

Resumen de: US2025300247A1

A battery cell includes a shell, an electrode assembly, a first processor, a detection sensor, and a second processor. The electrode assembly is arranged inside the shell. The first processor is arranged inside the shell. The detection sensor is arranged inside the shell and is electrically connected to the first processor via first communication lines. The second processor is arranged outside the shell and is electrically connected to the first processor via second communication lines. A quantity of the second communication lines is less than a quantity of the first communication lines.

ENERGY STORAGE POWER SUPPLY

Resumen de: US2025300270A1

An energy storage power supply is provided and includes a shell having a receiving chamber, in which the receiving chamber is provided with a first support having one or more first receiving recesses, each of the one or more first receiving recesses having a first via hole at a bottom of the first receiving recess; a battery cell located in the receiving chamber and disposed at the first support, the battery cell including a main body, the main body having an end fitted in a corresponding first receiving recess of the one or more first receiving recesses; a second support fixedly connected to the shell and disposed at a side of the battery cell away from the first support, the battery cell being sandwiched between the first support and the second support; and an inverter located in the receiving chamber and electrically connected to the battery cell.

ALL-SOLID-STATE BATTERY AND MANUFACTURING METHOD THEREOF

Resumen de: WO2025198105A1

A disclosed all-solid-state battery includes a solid electrolyte layer, a first electrode unit layer and a second electrode unit layer facing each other with the solid electrolyte layer interposed therebetween, a first external electrode connected to the second electrode unit layer, and a first margin part disposed between the first electrode unit layer and the first external electrode, wherein the first electrode unit layer includes a first current collector, and a first boundary part disposed between the first current collector and the first margin part and including a first active material.

SEALING DEVICE AND BATTERY MANUFACTURING METHOD

Resumen de: WO2025198002A1

The present invention reduces the possibility tab leads deforming when a sealant is discharged into an opening of a container to seal the opening. This sealing device (1A) comprises: a fixing tool (11) that restricts deformation of tab leads (23), which are connected to a current collector accommodated in a container (24) and extend from a current collector to the outside of the container, by clamping the tab leads on the outside of the container; and a nozzle (121) that discharges a sealant (13) into an opening (241) of the container (24) while the fixing tool (11) is clamping the tab leads (23).

METHOD FOR PRODUCING NICKEL AND COBALT SALT AQUEOUS SOLUTION, METHOD FOR PRODUCING NICKEL SULFATE AND COBALT SULFATE, AND METHOD FOR PRODUCING PRECURSOR COMPOUND FOR SYNTHESIZING POSITIVE ELECTRODE MATERIAL

Resumen de: WO2025198012A1

Provided is a method for obtaining a salt aqueous solution containing nickel and cobalt by leaching nickel and cobalt in a shorter leaching time while effectively separating copper, nickel, and cobalt from a mixture containing nickel, cobalt, and copper, such as a highly corrosion-resistant alloy obtained by dry-treating a waste battery material.　The present invention is a method for producing a nickel and cobalt salt aqueous solution, the method comprising a step for bringing a mixture containing nickel, cobalt, and copper into contact with a mineral acid under conditions in which a sulfurizing agent is present, wherein the mixture is immersed in a mineral acid in an amount of 1 equivalent or more until the oxidation-reduction potential, at which a silver/silver chloride electrode is used as a reference electrode, reaches 70 mV after having reached a minimum value, and thereafter, a sulfurizing agent is added to the solution, whereby nickel and cobalt are leached from the mixture.

ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: WO2025197526A1

This all-solid-state battery comprises: a base material; a first battery unit; and a second battery unit. The base material is foldable. The first battery unit and the second battery unit are separated from each other and are each layered on a first surface of the base material. Each of the first battery unit and the second battery unit includes a lower conductive layer, a first electrode, a solid electrolyte layer, a second electrode, an upper conductive layer, and an insulating layer. The lower conductive layer of the first battery unit and the lower conductive layer of the second battery unit, or the upper conductive layer of the first battery unit and the upper conductive layer of the second battery unit are connected. The first battery unit and the second battery unit can be layered by folding the base material between the first battery unit and the second battery unit.

STRUCTURE FOR BATTERY ANALYSIS

Resumen de: WO2025197225A1

Provided is a structure for battery analysis in which an all-solid-state battery is used as a sample battery, wherein even higher airtightness is achieved in order to shield the sample battery S accommodated within a hollow part of a battery accommodation unit 20 from the atmosphere. Specifically, a route indicated by arrows leading from an X-ray window 11 to the sample battery S via a space between a partition member 12 and the inner wall of the battery accommodation unit 20 around the X-ray window 11 is shielded (second airtight structure) by providing an O-ring 51a (airtight member) to a discretionary location on the route.

A BATTERY PACK

Resumen de: WO2025196770A1

The present invention relates to a battery pack (100). The battery pack (100) includes a casing (101) having an interior space. A plurality of battery cells (120) disposed inside the interior space of the casing (101) and spaced apart from each other. A filler material (140) disposed in a space between the plurality of battery cells (120) and at least one fluid passage (130) is formed inside the interior space of the casing (101) and surrounding at least one portion of each of the plurality of battery cells (120), the at least one fluid passage (130) being adapted to receive a dielectric fluid (200) for regulating the temperature of the plurality of battery cells (120).

BATTERY CELL CONVEYANCE SYSTEM AND CONVEYANCE METHOD

Nº publicación: WO2025196741A1 25/09/2025

Solicitante:

LG ELECTRONICS INC [KR]
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