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1344
results.
Updated on
09/09/2025 [07:15:00]
Results 325 to 350 of 1344
Absstract of: WO2025183006A1
Disclosed is a nonaqueous electrolyte solution for a nonaqueous electrolyte battery that comprises at least one of a positive electrode that contains a layered rock salt type positive electrode active material having a density of an active material layer of a specific value or more, a positive electrode that contains an olivine type positive electrode active material, a positive electrode that contains a spinel type positive electrode active material, a negative electrode that contains a graphite negative electrode active material, a negative electrode that contains an Si-containing negative electrode active material and graphite, and a negative electrode that contains a titanium-containing oxide negative electrode active material, the electrodes being set forth in the description. The nonaqueous electrolyte solution contains (I) a solute, (II) a nonaqueous organic solvent, and (III) a compound represented by general formula (1) that is set forth in the description. Also disclosed are: a nonaqueous electrolyte battery which comprises at least one of the above-described electrodes, and the above-described nonaqueous electrolyte solution; and a method for producing the nonaqueous electrolyte battery.
Absstract of: WO2025183001A1
This secondary battery comprises: a positive electrode; a negative electrode; a separator disposed between the positive and negative electrodes; and an non-aqueous electrolyte. The separator comprises a sheet-shaped base material and a spacer that is disposed on the main surface of the base material. The spacer includes a plurality of protrusion groups. Each of the plurality of protrusion groups is a primary structure formed by assembling a plurality of small piece members, and the plurality of small piece members make up a secondary structure as a result of the plurality of protrusion groups being arranged in a predetermined pattern. The plurality of small piece members are arranged apart from each other.
Absstract of: WO2025183010A1
Provided are: a non-aqueous electrolyte comprising (I) a solute, (II) a non-aqueous organic solvent, (III) a compound represented by general formula (1), and (IV) fluoroethylene carbonate, wherein the mass ratio (IV)/(III) of said (IV) to said (III) is at least 1.1; a non-aqueous electrolyte battery comprising said non-aqueous electrolyte; and a method for manufacturing a non-aqueous electrolyte battery, the method comprising a step for injecting said non-aqueous electrolyte. In general formula (1), Rs each independently represent a hydrogen atom or an organic group. Here, at least one R has a fluorine atom.
Absstract of: WO2025183002A1
This non-aqueous electrolyte secondary battery includes: a winding-type electrode body in which a first electrode and a second electrode are wound with a separator interposed therebetween; and an exterior body that accommodates the electrode body. The first electrode has a core body and a mixture layer formed on the surface of the core body. A core-body-exposed part where the core body is exposed is formed on the surface of the first electrode, and an electrode tab is joined to the core-body-exposed part. In an expanded state along the planar direction of the first electrode, the surface of the electrode tab in a facing region that faces the core body is a flat surface. In the electrode body, at least one of the core body and the electrode tab is bent to form gaps between the core body and both ends, in the winding direction, of the electrode tab in the facing region, and a protective layer including a material softer than the electrode tab is provided in each of the gaps.
Absstract of: WO2025180428A1
A negative electrode sheet (10), a battery cell and an electrical device. The electrical device comprises the battery cell. The battery cell comprises the negative electrode sheet (10). The negative electrode sheet (10) comprises a first area (11) and a second area (12), the second area (12) surrounds the first area (11), and the surface density of the active material of at least part of the second area (12) is less than that of the active material of the first area (11), thereby reducing the probability of lithium precipitation at the edge of the electrode sheet.
Absstract of: WO2025180446A1
The present application belongs to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a plurality of battery cells, a wire harness board and a heat exchange assembly, wherein the wire harness board is electrically connected to all the battery cells, the heat exchange assembly comprises a heat exchange shell and an inverse piezoelectric element, the heat exchange shell is in thermally conductive connection with at least some of the battery cells and has an air inlet, an airflow channel and an air outlet which are in communication in sequence, and the inverse piezoelectric element is arranged in the airflow channel and electrically connected to the wire harness board, and is configured to generate vibration under a voltage applied by the battery cells, so as to drive an external airflow to enter the airflow channel from the air inlet and to be exhausted from the air outlet. In the battery provided in the present application, an airflow is driven by an inverse piezoelectric element to circulate in an airflow channel, thereby adjusting the temperature of battery cells. An airflow is used as a heat exchange medium for the battery provided in the present application, so that leakage of a liquid medium is avoided, thereby achieving relatively good safety performance.
Absstract of: WO2025180167A1
The present application relates to a formation nail, a battery, and a gripper. The formation nail is configured to seal an electrolyte injection hole of a battery, comprising a sealing head and a gripping head, wherein the sealing head is configured to be inserted into the electrolyte injection hole of the battery for interference fit with the electrolyte injection hole to seal the electrolyte injection hole; and the gripping head is connected to one end of the sealing head and has a gripping portion configured to be gripped by a gripper, the outer wall of the gripping portion being provided with a plurality of grooves that are arranged at intervals, which can increase the friction between the gripping portion and the gripper. The formation nail can be reused.
Absstract of: WO2025180222A1
An energy storage power supply (100), comprising a housing (10), an inverter (20), a first heat sink (30), and a hydrogel layer (40). The housing (10) is provided with an opening (11); the inverter (20) is arranged in the housing (10); the first heat sink (30) is thermally coupled to the inverter (20); and the hydrogel layer (40) is thermally coupled to the first heat sink (30) and seals the opening (11).
Absstract of: WO2025180165A1
An electric device comprises a battery. The battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector, and a negative electrode active material layer arranged on at least one side surface of the negative electrode current collector. The negative electrode active material layer comprises a silicon-carbon composite material and a titanium-phosphorus compound. The titanium-phosphorus compound comprises a titanium element and a phosphorus element. The energy density of the battery can be increased, thereby improving the cycle performance of the battery.
Absstract of: WO2025184241A1
Aspects of the present disclosure are related to systems and methods for performing at least one test to simulate at least one environmental condition on at least one battery pack. A controller can execute a test comprising applying a condition to a battery pack comprising (i) a plurality of battery cells and (ii) a coolant; receive, from a sensor, data regarding at least one parameter associated with at least one of the battery pack or the coolant; determine, using the data from the sensor, a classification of the coolant for use with the plurality of battery cells; and provide an output regarding the test based on the classification of the coolant.
Absstract of: WO2025183876A1
The present disclosure provides a method for heating a dual stack fuel cell system of a vehicle. The method may include receiving a heat power request from a first fuel cell stack, receiving a first temperature of the first fuel cell stack and a second temperature of a second fuel cell stack, initiating, responsive to the first temperature and the second temperature indicating that the first fuel cell stack and the second fuel cell stack are frozen, a freeze-start thermal operating mode for the first fuel cell stack, and transferring, during the freeze-start thermal operating mode for the first fuel cell stack, heat from a brake resistor to the first fuel cell stack.
Absstract of: WO2025183526A1
Provided is a battery pack that improves upon conventional heat sink-based cooling methods by directly cooling battery cells while preventing temperature deviations between the battery cells, due to the positions thereof, within the battery pack. The battery pack of the present invention includes: a pack housing including a bottom plate, an outer frame, and a partition frame; and a plurality of battery cell assemblies accommodated in the pack housing, wherein the outer frame and the partition frame are provided with flow paths through which a cooling fluid can flow, and distribution holes and return holes in communication with the flow paths, so that the cooling fluid flows toward the battery cell assemblies to directly cool the battery cells therein.
Absstract of: WO2025183525A1
The present invention relates to a battery module comprising: a cell assembly comprising a plurality of batter cells; a module case accommodating the cell assembly; and a thermally conductive adhesive interposed between the cell assembly and module case, and having a heat transfer-blocking section at least a portion of which undergoes pyrolysis at a reference temperature and incrementally expands.
Absstract of: WO2025184331A1
According to one aspect of the invention, a low voltage energy management system for a vehicle is provided. The system includes a low voltage battery; a battery sensor connected to the low voltage battery; a high voltage battery; a controller configured to: in response to a wake-up condition, waking the controller and battery sensor from a sleep state; in response to a recalibration condition, recalibrating the battery sensor; in response to a charging entry condition, charging the low voltage battery with the high voltage battery; and in response to a charging exit condition, stopping the charging of the low voltage battery and putting the controller and battery sensor into the sleep state.
Absstract of: WO2025183012A1
This nonaqueous electrolyte solution contains (I) a solute, (II) a nonaqueous organic solvent, (III) tris (1,1,1,3,3,3-hexafluoro-2-propyl) phosphite, and (IV) fluoroethylene carbonate. This nonaqueous electrolyte battery includes the nonaqueous electrolyte solution. This method for producing the nonaqueous electrolyte battery includes a step for injecting the nonaqueous electrolyte solution.
Absstract of: WO2025183000A1
Provided are an electrode (12) and a power storage device (11) capable of reducing internal resistance. The electrode includes: an active material (20); particles (19) of an oxide having a garnet-type crystal structure containing Li, La, and Zr; and a first compound (23) and a second compound (24), which are different from each other and are bonded to the surface of the particles. The first compound contains fluorine, phosphorus, and oxygen, and the second compound contains fluorine. The oxide may include a dopant substituted with at least one of lithium ions, lanthanum ions, and zirconium ions. The valence of the dopant differs from the valence of the substituted ion. The power storage device includes the electrode.
Absstract of: WO2025183003A1
The present disclosure provides an electrolyte composition which contains a polymer, an organic solvent, and particles, wherein the polymer has a side group that comprises one or more groups selected from the group consisting of an alkali metallized phenolic group, an alkali metallized carboxylic acid group, an alkali metallized sulfonic acid group, and an alkali metallized sulfonyl imide group.
Absstract of: WO2025182998A1
Disclosed is a positive electrode for a nonaqueous electrolyte secondary battery, the positive electrode comprising: a positive electrode core body; and a positive electrode mixture layer that is disposed on at least a surface of the positive electrode core body. The positive electrode mixture layer contains at least a positive electrode active material and a positive electrode conductive agent. The positive electrode conductive agent contains porous carbon and carbon nanotubes. Particles of the porous carbon have a three-dimensional structure that has a plurality of through holes. The through holes are each a pore that continuously leads from a surface of a particle to another surface of the particle. The mode diameter of the pore size distribution of the porous carbon is in the range of 0.5 nm to less than 100 nm.
Absstract of: WO2025182951A1
A power storage module (10) comprises: at least one power storage device (20); a case (40) in which the at least one power storage device (20) is accommodated; a cooling liquid (50) in which a plurality of power storage devices (20) are immersed inside the case (40); cooling liquid piping (61) which is connected to the case (40) and through which the cooling liquid (50) passes; and an exhaust pipe (70) that is for exhausting gas inside the case (40) from the case (40) and that is thermally connected to the cooling liquid piping (61).
Absstract of: WO2025180337A1
An electric device. The electric device comprises a battery cell or a battery pack. The battery cell comprises a cover plate assembly, an insulating ring and a monitoring module. The insulating ring is disposed on the side of the cover plate assembly facing the interior of the battery cell. The monitoring module is fixed to the cover plate assembly or the insulating ring.
Absstract of: WO2025180273A1
An electric device, comprising an energy storage device. The energy storage device comprises a battery. The battery comprises a spacer, which is provided with a chip fixing region used for fixing a chip and a tab slot used for allowing a tab to pass through same, wherein the chip fixing region is spaced apart from the tab slot.
Absstract of: WO2025180290A1
A battery cell (100), a battery pack (1000), and an electric device (10000). The battery cell comprises a casing (10), cover plate assemblies (20), an electrode core (30), and a monitoring module (20). The cover plate assemblies are disposed in the casing and match the casing to form an inner cavity, the electrode core and the monitoring module are both disposed in the inner cavity, and the monitoring module is electrically connected to the electrode core.
Absstract of: WO2025180292A1
Disclosed in the present invention are a direct cooling plate for a battery pack, and the battery pack. The direct cooling plate (100) comprises: a direct cooling plate body, wherein the direct cooling plate body is provided with a first flow channel (12) and a second flow channel (13) which are both in communication with an inlet, the first flow channel (12) being adapted for heat exchange with batteries; and the direct cooling plate body is further provided with a third flow channel (14) in communication with an outlet, the third flow channel (14) being in communication with both the first flow channel (12) and the second flow channel (13) to enable mixing of heat exchange media flowing through the first flow channel (12) and the second flow channel (13).
Absstract of: WO2025180282A1
Provided in the embodiments of the present application are a sodium-ion battery positive-electrode material, and a preparation method therefor and a precursor and application thereof. The sodium-ion battery positive-electrode material comprises a sodium-based metal oxide, wherein an X-ray diffraction spectrum of the material includes diffraction peaks of the following 12 crystal planes: (003), (006), (101), (012), (104), (107), (018), (110), (113), (1010), (116) and (024), and the ratio of a peak area of a diffraction peak of the crystal plane (003) to the sum of peak areas of the diffraction peaks of the 12 crystal planes is less than 25%. The positive-electrode material that meets the above conditions has a high particle sphericity and a smoothly rounded structure, such that the material achieves a high compaction density and good dynamic performance, thereby facilitating an improvement in the energy density and rate performance of a sodium-ion battery.
Nº publicación: WO2025183534A1 04/09/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
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Absstract of: WO2025183534A1
The secondary battery according to an embodiment of the present invention may comprise: an electrode assembly; a first exterior material which surrounds the electrode assembly to seal the electrode assembly; a second exterior material, at least a portion of which is spaced apart from the first exterior material, the second exterior material surrounding the outer surface of the first exterior material; and an electrode lead electrically connected to the electrode assembly and extending from the inside of the first and second exterior materials to the outside.
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