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1380
resultados
Última actualización
14/03/2026 [07:18:00]
Resultados 275 a 300 de 1380
Resumen de: EP4708069A1
Example embodiments of the present technology provide a roll map storing method. The roll map storing method includes transmitting compressed measurement data, which is generated by processing measurement data collected by measuring an electrode sheet, to a server, modifying the compressed measurement data to generate modified measurement data, and storing the modified data, in which the compressed measurement data includes a first measurement start coordinate, a first measurement end coordinate, a first representative value of a first section defined by the first measurement start coordinate and the first measurement end coordinate, a second measurement start coordinate, a second measurement end coordinate, and a second representative value of a second section defined by the second measurement start coordinate and the second measurement end coordinate, and the first measurement start coordinate and the second measurement start coordinate are the same.
Resumen de: EP4708445A1
A secondary battery according to an embodiment of the present invention may include a battery can having an opened upper side and configured to define an accommodation space therein, a top cap configured to cover the opened upper side of the battery can, an electrode assembly having a shape in which a positive electrode plate and a negative electrode plate are wound and sequentially stacked with a separator therebetween and disposed in the accommodation space; an electrode lead configured to electrically connect the electrode assembly to at least one of the battery can or the top cap, and a first extinguishing part including an extinguishing component and disposed between the electrode assembly and the battery can.
Resumen de: EP4708612A1
An electronic device according to an embodiment may comprise: a battery; a direct charger including a first capacitor, a second capacitor, and a plurality of switches; and a control circuit. The control circuit according to an embodiment may: identify a first mode in which a voltage input to the direct charger is converted at a 4:1 ratio and power is supplied to the battery; and control the plurality of switches at a first phase of providing second power having a second voltage which is 1/4 times a first voltage to the battery while charging a first capacitor and a second capacitor in series on the basis of first power of the first voltage received from the outside, a second phase of providing second power to the battery while charging the second capacitor with the power with which the first capacitor is charged, and a third phase of providing the second power to the battery on the basis of the power with which the second capacitor is charged, wherein a voltage which is twice the second voltage is applied to the first capacitor and the same voltage as the second voltage is applied to the second capacitor so that an output voltage is converted at a 4:1 ratio by only using two flying capacitors.
Resumen de: EP4706428A1
The present application provides a control method for an aerosol generating device and an aerosol generating device. The aerosol generating device comprises a heater for heating an aerosol generating product to generate an aerosol. The method comprises: receiving a starting request signal, the starting request signal being a signal for requesting to start a heater to heat the aerosol generating product; determining that an aerosol generating device is in a warm starting state; determining a starting parameter according to cooling information and heating information, the starting information comprising at least one of a target starting moment of the heater and a target starting temperature of the heater, wherein the cooling information is information of changes of the temperature of the heater along with time after the heater is turned off, and the heating information is information of changes of the temperature of the heater along with time when the aerosol generating device is started from a cold starting state; and starting the heater according to the starting parameter. The present application ensures a relatively good vaping taste.
Resumen de: CN121079204A
Disclosed herein is a multilayer microporous polyolefin film in which at least one layer is highly filled with inorganic particles such that the film exhibits good in-plane dimensional stability (i.e., low shrinkage) at temperatures above and below the melting point of the polymer matrix. The second extruded polyolefin layer is selected such that the porosity thereof and the total permeability of the multilayer film will decrease above the melting point of the polymer matrix. The layers of the multilayer films are cohesively bonded, and such films can be used as separators to improve manufacturability, performance, and safety of energy storage devices, such as lithium ion batteries.
Resumen de: WO2024233315A2
Anodes having a laminate comprised of a lithium metal having adhered thereto a layer comprised of a thermoset polymer may be formed by contacting a lithium foil with an addition monomer to form an uncured layer and polymerizing the addition monomer forming a layer of a thermoset polymer adhered to the lithium metal foil or by contacting a metal foil other than lithium with an addition monomer to form an uncured layer, polymerizing the addition monomer forming a layer of a thermoset polymer adhered to the metal foil to form a lithium free metal anode and electrochemically introducing lithium ions to the lithium free metal anode to form the lithium metal laminate anode.
Resumen de: EP4708442A1
An electrolytic solution and a battery. The electrolytic solution includes a first lithium salt, a second lithium salt and a first additive, the first lithium salt at least including lithium bis(fluorosulfonyl)imide, the second lithium salt being selected from at least one of lithium difluoro(oxalato)borate, or lithium difluoro(bisoxalato)phosphate, and the first additive being methylene methanedisulfonate. On the basis of the electrolytic solution including the first lithium salt and the second lithium salt, the first additive, i.e. methylene methanedisulfonate (MMDS), is further added in the electrolytic solution; the second lithium salt helps to improve the cycling stability and high-temperature storage performance of batteries, and the first additive helps to improve the oxidation resistance of the second lithium salt under high voltages, so as to further modify the composition and structure of SEI films, thus reducing the impedance of SEI films, improving the stability of SEI films, and improving the cycle performance and high-temperature storage performance of batteries.
Resumen de: EP4707829A1
An apparatus for diagnosing resistance increase rate of cellaccording one embodiment of thepresent disclosure may include: a determination unit that determines a reference voltage range based on a discharge profile of a unit cell, an identification unit that identifies a capacity retention rate in a reference voltage range of a unit cell subjected to a specified number of charge-discharge cycles, and a diagnosis unit that diagnoses a resistance increase rate of the unit cell based on the identified capacity retention rate.
Resumen de: EP4708519A1
A coupling mechanism according to an embodiment of the present invention may include a head part, a screw part provided to be coupled to the head part, and an elastic member configured to elastically connect the head part to the screw part in an internal accommodation space defined when the head part and the screw part are coupled to each other.
Resumen de: EP4708518A1
A coupling mechanism according to an embodiment of the present invention may include a head part, a screw part provided to be coupled to the head part, and a bonding member which is disposed along an outer circumference of the head part on the screw part and is melted when a temperature of the bonding member is equal to or greater than a predetermined temperature.
Resumen de: EP4707309A1
The present disclosure provides a method for producing a compound (A1) represented by the following formula (A1), the method including a step of reacting a compound (D) represented by the following formula (D) with a compound (E1) represented by the following formula (E1) in the presence of at least two types of lithium salts.(In formula (A1), R<sup>1</sup> is a hydrogen atom or a monovalent substituent, R<sup>3</sup> is a hydrogen atom or a monovalent substituent, Y is a halogen atom or a monovalent organic group having 1 to 20 carbon atoms, and X and R<sup>2</sup> satisfy the following (1) or (2):(1) X is a divalent organic group having 1 to 20 carbon atoms, and R<sup>2</sup> is a monovalent organic group.(2) R<sup>2</sup> and X are taken together to form a trivalent group.)
Resumen de: EP4708509A1
Embodiments of this application provide a connection plate of a battery, a battery, an electric apparatus, and a manufacturing method for a battery. The connection plate of a battery includes two first surfaces and a second surface. The two first surfaces are oppositely disposed along a thickness direction of the connection plate. The first surface is configured to be bonded to a battery cell via a binder. At least one first surface is provided with a first opening. The second surface connects the two first surfaces and the second surface is provided with a second opening, where the second opening is in communication with the first opening. Providing the first opening and the second opening allows a path to exist on the first surface of the connection plate facing the battery cell, the path being in communication with the second surface on a side of the connection plate. This enables injection of the binder through the second surface into the first surface, facilitating bonding of the first surface to the battery cell. This approach allows control over the amount of the binder used during bonding of the first surface to the battery cell, improving the accuracy of the amount of binder.
Resumen de: EP4707836A1
A battery management apparatus according to an embodiment disclosed herein includes a voltage measurement unit configured to measure a voltage of each of a plurality of battery cells and a controller configured to calculate a first deviation, which is a deviation between a long moving average and a short moving average of a battery cell voltage of each of the plurality of battery cells, calculate a second deviation, which is a deviation between a long moving average and a short moving average of an average voltage of the plurality of battery cells, and calculate a first diagnosis deviation between the first deviation and the second deviation for each of the plurality of battery cells, diagnose each of the plurality of battery cells based on whether a final diagnosis deviation related to the first diagnosis deviation of each of the plurality of battery cells is at least a first threshold value and based on a time during which the final diagnosis deviation is maintained as being at least a second threshold value.
Resumen de: EP4708537A1
A method for preparing a composite coating separator is disclosed. The method includes: mixing raw materials including an inorganic powder, a hollow latex microsphere emulsion, a binder, and a solvent to obtain a mixed slurry; applying the mixed slurry to a surface of a base film, and drying the mixed slurry on the surface of the base film to obtain the composite coating separator. A mass ratio of the inorganic powder in the mixed slurry is 20%-35%, and a mass ratio of the hollow latex microsphere emulsion in the mixed slurry is 5%-10%. A viscosity of the mixed slurry is 100 mPa.s-120 mPa.s. The hollow latex microsphere emulsion includes hollow microspheres, and a density of the hollow microspheres is 0.8 g/cm<sup>3</sup>-0.9 g/cm<sup>3</sup>.
Resumen de: EP4707236A1
The present invention relates to a carbon nanotube dispersion exhibiting low viscosity and little change in viscosity over time, which includes carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant contains a first dispersant and a second dispersant in a weight ratio of 100:10 to 90, the first dispersant is a dispersant containing an N atom, the second dispersant is a compound containing a sulfonic group, a hydroxyl group, and an aromatic ring in a molecular structure, and the carbon nanotubes and the dispersant are present in a weight ratio of 100:25 to 500.
Resumen de: WO2024229475A1
Systems and methods for managing varying loads that can be applied to a dual cell bank battery include a dual cell bank battery including primary battery cell pack and a protective battery cell pack, wherein the protective battery cell pack at least partially encapsulates the primary battery cell pack. A battery management system determines which battery cell pack (either the primary battery cell pack or the protective battery cell pack) should be enabled to receive the load.
Resumen de: WO2024229420A2
Improved fabrication of solid state ionic conductors is performed with rapid plasma processing. This approach provides much faster throughput than conventional methods that require long sintering times in a fully controlled atmosphere. In one example, an amorphous solid state electrolyte layer for a Li battery is made having a room temperature ionic conductivity above 10 - 6 S/cm. In some embodiments, a gas shroud is used to provide local control of humidity and/or oxygen concentration.
Resumen de: CN121241458A
A battery system for powering a power tool including an electrically driven primary function and an electrically driven secondary function. The main system includes a removable main battery, an auxiliary battery, and a controller that causes the main battery to charge the auxiliary battery.
Resumen de: EP4708390A1
A positive electrode active material includes a lithium composite transition metal oxide in the form of a single particle composed of one single nodule and/or in the form of a pseudo-single particle, which is a composite of 30 or less nodules, and a coating layer formed on the surface of the lithium composite transition metal oxide. The coating layer contains aluminum (Al) and tungsten (W). The positive electrode active material satisfies Equation 1 below: 45≤X×X′≤56 wherein, X is the content of nickel among all metals except for lithium in the lithium composite transition metal oxide(unit: mol%), and X' is the BET specific surface area of the positive electrode active material (unit: m<2>/g).
Resumen de: EP4708389A1
A positive electrode active material according to the present invention includes a lithium composite transition metal oxide which has an amount of nickel among total metals excluding lithium of 50 mol% to 80 mol% and is in a form of a single particle composed of one single nodule or a pseudo-single particle that is a composite of 40 or less nodules; and a tungsten-containing coating layer formed on a surface of the lithium composite transition metal oxide, wherein a ratio (Li/W) of the number of moles of lithium to the number of moles of tungsten, which is measured by inductively coupled plasma optical emission spectroscopy (ICP-OES) analysis after performing a pretreatment under conditions of immersing the positive electrode active material in deionized water at 25°C for 1 hour, satisfies a range of 30 to 45.
Resumen de: CN121039173A
The present application relates to a copolymer comprising a repeating unit derived from vinylidene fluoride and a repeating unit derived from a fluorinated monomer M1; the copolymer has a melting temperature Tm defined by the following relational expression: (154.45-1.9472 x)-3 < = Tm (DEG C) < = (154.45-1.9472 x) + 3 wherein x is the weight content of the fluorinated monomer M1, expressed as a percentage based on the total weight of the copolymer; and the melting temperature is measured through DSC according to an ASTM E794-06 standard test method. The invention also relates to application of the composition in various technical fields.
Resumen de: WO2024229230A2
A hybrid electrolyte comprises: (i) a first electrolyte having a first surface and an opposed second surface, wherein the first electrolyte comprises a solid state electrolyte material comprising an oxide, wherein the first surface is an acid-treated surface; and (ii) a second electrolyte comprising a liquid electrolyte, wherein the liquid electrolyte comprises an alkali metal salt and a solvent selected from the group consisting of electron pair donor solvents, and solvent mixtures including at least one electron pair donor solvent and at least one glyme solvent. The oxide can be a doped or undoped LLZO electrolyte material, and the acid can be selected from H3PO4 and HCI.
Resumen de: EP4708437A1
The present invention relates to a nonaqueous electrolytic solution comprising an electrolyte, a nonaqueous solvent, a compound represented by general formula (I), and at least one specific anion-containing compound selected from an anion-containing compound having a P=O bond and a P-F bond, an anion-containing compound having an S=O bond and an S-F bond, and an alkyl sulfate anion-containing compound, in which the mass ratio of the compound represented by the general formula (I) to the specific anion-containing compound satisfies a specific range. The present invention also relates to a nonaqueous electrolytic solution battery comprising a negative electrode and a positive electrode capable of occluding and releasing metal ions, and the nonaqueous electrolytic solution.
Resumen de: EP4708542A1
The present application relates to the field of battery technologies, and specifically, to a separator for a sodium battery, a secondary battery, and an electric apparatus. The separator for the sodium battery has a first surface and a second surface along its thickness direction, and a porosity of the separator decreases gradually from the first surface to the second surface. The separator with this structure has a certain rigidity, facilitating its ability to resist swelling and deformation of a positive electrode plate and a negative electrode plate to a certain extent, while also having a certain compressibility, effectively ensuring sufficient infiltration of an electrolyte, thereby mitigating the rapid degradation of the cycle life of a battery caused by volume swelling during the use of the sodium battery.
Nº publicación: EP4708468A1 11/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4708468A1
A secondary battery includes an electrode assembly including a plurality of unit batteries stacked in a first direction and having electrode leads on opposing ends in a second direction perpendicular to the first direction; a multifunctional terminal block (MTB) included on the opposing ends of the electrode assembly; and a laminate sheet coupled to a side surface of the stack-type electrode assembly, wherein the MTB includes a fused resin layer on a side surface thereof.
BOPI
Sede Electrónica
