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955
results.
Updated on
20/07/2025 [07:14:00]
Results 375 to 400 of 955
Absstract of: CN119816215A
An aerosol-generating device for generating an inhalable aerosol from an aerosol-forming substrate is provided. The aerosol-generating device includes a lithium ion battery pack. The battery pack includes an electrolyte and at least one pair of electrodes. The electrode pairs are spaced apart from each other in the electrolyte. One of the electrode pairs defines the anode and contains an anode active material. The other electrode of the pair of electrodes defines the cathode and contains a cathode active material. The electrolyte includes a halogenated carbonate. Also provided is an aerosol delivery system comprising such an aerosol-generating device and an aerosol-generating article comprising an aerosol-forming substrate wherein the aerosol-generating device is configured to receive the aerosol-generating article.
Absstract of: CN119895604A
The invention relates to an aerosol-generating system (1) having a battery (2). The battery (2) comprises an electrode unit (3) and an envelope (4). An adhesive element (5) is arranged between the electrode unit (3) and the sleeve (4) for fixing the electrode unit (3) to the sleeve (4). The invention also relates to a method for producing a battery for an aerosol-generating device and to the use of an adhesive element (5) between an electrode unit (3) and an envelope (4) in an aerosol-generating system (1).
Absstract of: EP4586374A1
The present disclosure provides a battery cell and a structure of a battery module including the same, the battery cell including: an electrode assembly including a stack of a plurality of electrodes with a separator therebetween; an electrode tab extending from each of the plurality of electrodes and protruding from the electrode assembly; a sealed pouch accommodating the electrode assembly; and an electrode lead electrically connected to the electrode tab and protruding from the sealed pouch, wherein the electrode assembly is a plurality of electrode assemblies; and is stacked with a first insulation pad in a thickness direction
Absstract of: EP4585945A1
The present invention relates to a correcting device for correction of a measuring device that measures an impedance spectrum, the correcting device including:a first plate including a first connecting part electrically connected to a first electrode of the measuring device; a second plate including a second connecting part electrically connected to a second electrode of the measuring device; and a reference unit mounted on the first plate and having a predetermined inherent value, wherein the first connecting part and the second connecting part are electrically connected to each other through the reference unit.
Absstract of: EP4586373A1
The present invention relates to a battery cell and a structure of a battery module including the battery cell capable of preventing heat from the propagating to neighboring battery cells in case of ignition and guiding the venting downward. The battery cell includes: an electrode assembly; a pouch accommodating the electrode assembly and having a folded side and three sealed sides; and an electrode lead extending from the electrode assembly and protruding outward from the pouch, the battery cell further including: an insulating, heat-resistant and fire-resistant barrier member having a box shape provided with a slit-type lead hole and one open end, wherein the electrode lead protrudes from the barrier member through the lead hole, and five sides of the battery cell excluding the folded side are covered by the barrier member.
Absstract of: EP4586360A1
A battery cell inspection apparatus according to an embodiment of the present invention comprises: a cell inspection unit for inspecting a cell; a plurality of cell accommodation portions which receive the supply of battery cells from the outside, and are spaced apart from one another with the cell inspection unit therebetween; and a stage which comprises a first portion and a second portion on which the battery cells supplied to the cell accommodation units are arranged, and moves the battery cells supplied to the cell accommodation portions while reciprocating among the plurality of cell accommodation portions, wherein, while the second portion on which the battery cell is arranged is located in the cell inspection unit, the battery cell supplied to a first cell accommodation portion, from among the plurality of cell accommodation portions, is arranged on the second portion, and while the first portion on which the battery cell is arranged is located in the cell inspection unit, the battery cell supplied to a second cell accommodation portion, from among the plurality of cell accommodation portions, can be arranged on the second portion.
Absstract of: EP4586383A1
Embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. The battery cell comprises: a shell comprising a first wall; and a pressure relief mechanism provided on the first wall; wherein the burst pressure of the pressure relief mechanism is P1, and the burst pressure of the shell is P2, satisfying P2≥1.7 MPa and P2>P1. In technical solutions of the present application, the burst pressure P2 of the shell is designed to be 1.7 MPa or above, which can greatly improve compressive strength of the shell. Such design not only can effectively improve the stability of directional pressure relief of the battery cell from the pressure relief mechanism, but also can reduce risks that the shell bursts as the pressure relief mechanism releases pressure, thereby effectively improving structural stability and safety of the battery cell.
Absstract of: EP4586369A1
This application relates to a thermal management component (201), a box assembly (200), a battery (10), and an electrical device. The thermal management component (201) is applicable to the battery (10). The battery (10) includes a battery cell (110). The thermal management component (201) includes: a first heat exchange portion (210) and a second heat exchange portion (220). The first heat exchange portion (210) is configured to exchange heat with the battery cell (110). The second heat exchange portion (220) is configured to exchange heat with emissions of the battery cell (110). In this way, the first heat exchange portion (210) of the thermal management component (201) can be utilized to exchange heat with the battery cell (110), and further, the second heat exchange portion (220) can be utilized to exchange heat with the emissions of the battery cell (110), so that the internal temperature of the battery (10) can be prevented from being increased by overtemperature of runaway gas generated by a thermally runaway battery cell (110), thereby improving safety of the battery (10) and reducing safety hazards of the battery (10).
Absstract of: EP4586381A1
This application discloses a battery and an electric device. The battery includes a housing, a battery module, and a positioning member. A structural beam is arranged inside the housing. The battery module is arranged in the housing. The positioning member is connected to the structural beam for positioning the battery module. The technical solution provided in this application can reduce the manufacturing cost of the battery.
Absstract of: EP4585457A1
A battery pack for generating a synchronization signal according to an embodiment disclosed herein includes one or more battery modules including a plurality of battery cells capable of supplying power to a motor of a vehicle and a battery management system electrically connected to another battery management system of another battery pack, in which the battery management system is configured to transmit a designated first synchronization signal to the other battery pack before performing a designated task, and receive a designated second synchronization signal from the other battery pack, determine a reference synchronization signal based on the first synchronization signal and the second synchronization signal, and perform the designated task based on the reference synchronization signal.
Absstract of: US2025198044A1
A system or method to fabricate a nano surface on a conductive device, including a high voltage DC power source, a pulse generator connected to the power source, a fluid container, in which the electrolyte solution is placed and a cathode and an anode. The anode may be the conductive device and the anode and cathode are connected to the pulse generator with both being positioned within the fluid container and submerged in the electrolyte solution. The delivery of nanosecond pulses of electricity to the electrodes nanosurface the conductive material. The disclosure further includes methods to create a nano surface or texture on a conductive device having for example the steps of cleaning or pretreating the conductive device.
Absstract of: CN119816956A
The present disclosure provides methods and systems for recycling and upgrading reconstituted waste battery cathode materials. In some embodiments, the method may include separating cathode material of a spent battery into a plurality of sets of particles, where a first set of the plurality of sets of particles includes first particles having a first size and a second set of the plurality of sets of particles includes second particles having a second size. The method further includes generating a first precursor solution using the first set of particles; generating a second precursor solution using the second set of particles; generating a first cathode material using the first precursor solution; and generating a second cathode material using the second precursor solution.
Absstract of: WO2024054684A1
A method for discharging end-of-life batteries prior to dismantling and recycling involves recovering residual stored electrical energy by draining the battery to a zero charge state, and reverse biasing the battery to bring the potential from a zero charge state of around 2.7 V to a zero or near zero energy state. The reverse bias inverts the normal usage polarity for inducing a reverse current flow, and continues based on formation of internal short circuits formed on the cathode current collector for rendering the battery with little to no energy storage for safe agitation and dismantling.
Absstract of: CN119816475A
A method comprising: providing a metal salt solution comprising nickel, cobalt, manganese, aluminum, or a combination thereof; the metal salt solution is combined with an alkaline solution, where the combination of the metal salt solution and the alkaline solution is maintained at a pH of not greater than 10 to form a metal hydroxide precursor. To form the cathode active material, the method further includes adding a lithium compound to the metal hydroxide precursor to form a metal hydroxide precursor mixture; and heat treating the metal hydroxide precursor mixture to form the single crystal cathode active material.
Absstract of: EP4585560A1
The present disclosure relates to a carbon nanotube dispersion including carbon nanotubes, a first dispersant having an amide group, a second dispersant having at least one functional group selected from the group consisting of hydroxyl and carboxyl groups, and sulfur. The present disclosure also relates to a method of preparing the dispersion, an electrode slurry composition including the dispersion, an electrode including the electrode slurry composition, and a secondary battery including the electrode.
Absstract of: EP4585940A1
An electronic device according to an embodiment disclosed herein obtains input data through a detection circuit, standardizes each of column vectors of the input data to obtain standardized data for the input data, obtains determination reference data based on the standardized data, and determines first state abnormality and/or second state abnormality of each of the M battery cells based on values indicated by the entries of respective row vectors of the determination reference data. The first state abnormality is determined based on a learning-based model, and the second state abnormality is determined based on a scheme other than the learning-based model.
Absstract of: EP4585314A1
According to embodiments, provided is an electronic device comprising: a first roller; a second roller arranged to face the first roller; and a drive unit that rotatably drives the first roller at a first speed and rotatably drives the second roller at a second speed to form, into a film, a mixture being input between the first roller and the second roller.
Absstract of: EP4586291A1
The present disclosure provides a nonaqueous lithium electricity storage element having high high-temperature cycle durability. The nonaqueous lithium electricity storage element comprises a positive electrode including a positive-electrode active material layer, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions. The positive-electrode active material layer comprises a positive-electrode active material and an alkali-metal compound. The negative electrode includes a negative-electrode active material layer, the surface of which, when photographed in the state of being not exposed to the air with a scanning electron microscope at a magnification of 100 diameters, gives a secondary-electron image. Binarizing the pixels of the secondary-electron image by lightness gives an image in which a light region and a plurality of dark regions corresponding to deposits formed on the surface of the negative-electrode active material layer are present. When one pixel is taken as 1.46 µm, the areas of the individual dark regions have a maximum value S pixel<sup>2</sup> of 4,000 or less.
Absstract of: EP4585941A1
An electronic device according to an embodiment disclosed herein includes a battery module including a plurality of battery cells, a sensor circuit configured to obtain state values of each of the plurality of battery cells, and a processor configured to obtain values related to states of each of the plurality of cells as input data through the sensor circuit, obtain feature data based on a feature matrix derived from the input data by using a designated matrix decomposition algorithm, and identify whether each of the plurality of cells is abnormal, based on the feature data, in which the feature matrix is a matrix where values of a designated number of major diagonal components among a plurality of diagonal components of a diagonal matrix for the input data are substituted by 0. The feature matrix may be a matrix where values of a designated number of major diagonal components among a plurality of diagonal components of a diagonal matrix for the input data are substituted by 0.
Absstract of: EP4586349A1
A battery module (8) for a vehicle battery pack (7) configured to be installed in a road vehicle (1) with at least partial electric drive comprises an outer structure (9) delimiting an inner portion (10), two compression plates (11, 12) arranged at opposite ends (13, 14) of the portion (10), and one or more electrochemical cells (15) connected to one another and interposed between the plates (11, 12); at least part of the lateral surface (16) of each cell (15) is compressed by a compression force (F) along a compression direction (D) by the plates (11, 12); the plate (11) is movable relative to the plate (12) along the direction (D) so as to vary the relative distance (X) between the plates (11, 12); a device (17) adjusts the distance (X) so as to keep the force (F) equal to a predetermined value (Fn) constant during the life cycle of the electrochemical cells (15) .
Absstract of: EP4586594A2
An electronic device according to an embodiment of the present disclosure may include a housing, a display disposed on the housing, a printed circuit board disposed in an interior of the housing, a battery including a first area and a second area having a thickness that is less than a thickness of the first area, and a thermal diffusion member disposed between the printed circuit board and the display and between the battery and the display, wherein the thermal diffusion member may include a first diffusion area and a second diffusion area extending to be overlapped with at least a portion of the second area.
Absstract of: EP4585381A2
A system for tracking a position of an electrode of a battery cell is disclosed which comprises: a controller configured to acquire coordinate information of the electrode and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID, the coordinates of the cell ID corresponding to one or more positions of the unit electrode; a roll map generator configured to generate a roll map based on the coordinate information of the electrode obtained from the controller, the roll map including coordinates of the roll map based on a dimension in a length direction of the electrode; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive the one or more position of the unit electrode during the electrode manufacturing process from which the unit electrode originates.
Absstract of: EP4586388A2
A battery cell assembly, comprises a first electrode;a second electrode; and a separator between the first electrode and the second electrode; wherein: the separator comprises a first layer comprising metal oxide, metal hydroxide, or metal oxyhydroxide particles, the first layer being directly deposited on the first electrode; a thickness of the separator ranges between about 0.5 µm to about 10 µm; the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles comprise a (1) a first set of the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles with a first aspect ratio distribution, and (2) a second set of the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles with a second aspect ratio distribution; the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles of the first set are fiber-shaped and are characterized by diameters in a diameter range from around 3 nm to around 2 µm and aspect ratios in an aspect ratio range from around 4 to around 1,000,000; and the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles of the second set are flakes.
Absstract of: EP4586328A2
The present specification provides a secondary battery, which comprises a cathode, an anode, a separator, and an electrolyte, the anode containing a silicon-based active material and a carbon-based active material, the cathode containing: a lithium nickel-based active material in a single particle form; and at least one of LCO (LiCoO2), LMO (LiMn2O4), and LFP (LiFePO4), in a secondary particle form, wherein the lithium nickel-based active material in a single particle form contains 55 mol% or more of nickel in 100 mol% of metals excluding lithium.
Nº publicación: EP4586367A2 16/07/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Absstract of: EP4586367A2
Provided is a battery pack including a plurality of battery modules; a base plate on which the plurality of battery modules are located; a front frame including a front cover portion covering a front of the base plate and a front plate portion extending rearward from one side of the front cover portion, wherein the front cover portion and the front plate portion are integrally formed; a rear frame having a rear cover portion covering a rear of the base plate, and a rear plate portion extending forward from one side of the rear cover portion, wherein the rear cover portion and the rear plate portion are integrally formed; a first side frame covering a left side of the base plate; and a second side frame covering a right side of the base plate.
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