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1482
results.
Updated on
11/09/2025 [07:18:00]
Results 675 to 700 of 1482
Absstract of: EP4611069A1
The present invention relates to a positive electrode active material having improved resistance and lifetime characteristics, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same, and provides a positive electrode active material represented by Formula 1 and formed of polycrystal grains composed of secondary particles in which primary particles are aggregated, wherein a surface portion porosity A defined by Equation 1 is 1% to 30%, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same.
Absstract of: EP4611110A1
A battery management system, BMS, communication system includes a battery module including a housing and a plurality of battery cells in which a battery cell comprises a voltage sensing tab, a first printed circuit board, PCB, mounted on a side of the housing of the battery module and including a temperature sensor electrically connected to the voltage sensing tab of the battery cell to measure a temperature of the battery cell, and a second PCB stacked on a surface of the first PCB and including a cell sensing module electrically connected to the voltage sensing tab and the temperature sensor to exchange signals therewith, in which an antenna pattern module is mounted on a surface of the second PCB.
Absstract of: EP4611073A1
The present application provides a core-shell structured polymer, a conductive slurry, a secondary battery, and an electrical apparatus. The core-shell structured polymer comprises a core and a shell at least partially covering the core. The core contains a building block derived from a monomer represented by formula I and a building block derived from a monomer represented by formula II, and the shell contains the building block derived from the monomer represented by the formula I and a building block derived from a monomer represented by formula III, where R<sub>1</sub>, R<sub>2</sub> and R<sub>3</sub> are each independently selected from one or more of hydrogen, fluorine, chlorine, and fluorine-substituted C<sub>1-3</sub> alkyl, and R<sub>4</sub>, R<sub>5</sub>, R<sub>6</sub>, R<sub>7</sub>, R<sub>8</sub> and R<sub>9</sub> are each independently selected from one or more of hydrogen, substituted or unsubstituted C<sub>1-S</sub> alkyl.
Absstract of: CN120226183A
The present disclosure relates to a composite solid electrolyte (CSE) for use in various forms of a battery including a self-supporting CSE separator, an electrode-CSE laminate, a current collector-CSE laminate, or a CSE-based mixed ion-electron conductor (MIEC) electrode. The present disclosure also relates to a method of preparing the composite solid electrolyte and a battery using the same. The disclosed CSE has at least one polymer; at least one lithium salt; a solvent plasticizer; at least one inorganic additive particle; a substrate; and one or more liquid or solid additives. The disclosed method of making a CSE provides at least one polymer, at least one lithium salt, a solvent plasticizer, at least one inorganic additive particle, and one or more liquid or solid additives as a liquid slurry, and coats a substrate with the liquid slurry.
Absstract of: CN120113073A
The present disclosure relates to a functional interface stabilizer for a battery having an organic non-aqueous solvent and a lithium salt soluble with the organic non-aqueous solvent. The present disclosure also relates to a battery having an anode, a cathode, a separator, a functional interfacial stabilizer having an organic non-aqueous solvent, and a lithium salt soluble with the organic non-aqueous solvent. The present disclosure also relates to a method of preparing a functional interface stabilizer comprising the steps of providing an organic non-aqueous solvent, adding a lithium salt to the organic non-aqueous solvent, and mixing the organic non-aqueous solvent with the lithium salt to form a solution.
Absstract of: AU2023366988A1
Disclosed are solutions directed to the recovery of both elemental lead and lead alloy (e.g., antimonial lead) from the grid metallics of recycled LABs. The solutions may comprise in part one or more of the following: a rotating drum for rotationally hammering a mixture comprising the lead paste, the lead alloy, and a solution, wherein the rotational hammering is performed in a manner sufficient to cause the lead paste to no longer physically adhere to the lead alloy; a vessel for receiving the mixture from the drum and vibrating the mixture sufficient to cause material movement within the mixture to facilitate separation of the lead alloy from the lead paste and the solution; and/or a press for pressing the lead alloy into a pressed form.
Absstract of: EP4610078A1
A battery (1) is disclosed, including a battery body (10). The battery body includes a battery cell and a housing (12). The housing (12) defines a recess (13) that penetrates through the housing from one end to another end along a first direction (F1). The battery (1) is disposed at a bottom of a vehicle (1000). A bottom longitudinal beam (200) of the vehicle runs through and fits in the recess (13) along the first direction (F1). The housing (12) is provided with a plurality of first mounting structures (21). The first mounting structures (21) are configured to detachably mount the battery body (10) into the vehicle (1000). At least two of the plurality of first mounting structures (21) are spaced apart along a second direction (F2) and located on two sides outside the recess (13). The first direction (F1) intersects the second direction (F2). This application further discloses a bracket (4) matching the battery, and a vehicle (1000) containing the battery (1) or the bracket (4). The battery and the bracket in use can fully utilize space and increase an energy density. The battery is evenly stressed in the second direction and is stably mounted.
Absstract of: EP4611060A1
A positive electrode active material, a secondary battery, a battery module, a battery pack, and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery, and comprises a carbon material compounded iron-based polyanionic compound and an aluminum-containing oxide, and the iron-based polyanionic compound has the following general formula: Na4Fe3-xMxAly(PO4)2P2O7/C, wherein M comprises a transition metal element, 0 ≤ x ≤ 0.5, and y is greater than 0 and less than 0.2. The positive electrode active material has relatively low residual alkali amount, and the battery has excellent cycle performance and rate capability.
Absstract of: WO2024091623A1
A method and system for producing a release layer on a carrier film is provided. The release layer is produced through direct fluorination processing of the carrier film prior to deposition of an alkali metal such as lithium. The carrier film is then laminated with a desired anode. The fluorine-based release layer allows efficient release of the deposited lithium from the carrier film after lamination while preventing contamination of the metallic lithium from outgassing by the carrier film. The release layer allows the carrier film to be configured for reuse minimizing hazardous waste and improving cost-efficiency. The carrier film may also be provided with a second fluorinated layer on the back end of the carrier film. This allows the carrier film to also be preserved.
Absstract of: WO2024091574A1
A battery architecture based on the inclusion of a solid polymer electrolyte (SPE) as a safer alternative to that of liquid electrolytes. The construction of the battery enables the battery device to store energy not only electrochemically, but also electrostatically through an electric double-layer capacitance formed by the charge separation on the interface between the electrolyte and electrodes. This architecture allows the storage of additional energy, thus exceeding the theoretical specific capacity of a conventional Li metal battery. An interfacial therapy was modified to improve Li metal stability, and to enhance mass transport at the electrolyte/anode interface.
Absstract of: US2024146089A1
A storage system configured for use with an energy management system is provided herein and comprises a rechargeable battery, a grid detection circuit operably connected to the rechargeable battery such that when an AC power source is not detected by the grid detection circuit and a voltage at the rechargeable battery falls below a threshold voltage, the grid detection circuit places the rechargeable battery into a sleep mode, and a switch operably connected to the grid detection circuit and configured to override the grid detection circuit so that rechargeable battery exits the sleep mode until a voltage at the rechargeable battery is equal to or greater than a predetermined voltage.
Absstract of: WO2024091381A1
An alkali metal-containing film stack for energy storage devices is provided. The alkali metal-containing film stack can be a lithium film stack having a flexible support layer and a release layer disposed over the flexible support layer capable of separating from the flexible support layer. The release layer includes one or more nanosheets, such as two-dimensional materials. An alkali metal-containing layer, such as a lithium layer is disposed over the release layer.
Absstract of: EP4610294A1
The present invention relates to: a binder comprising a polyamide polymer containing a monomer unit including an aromatic ring; a positive electrode slurry comprising same; a positive electrode; and a secondary battery.
Absstract of: EP4611153A1
The present invention relates to a polymer composition, and a slurry composition, a separator and a secondary battery comprising same, the polymer composition comprising: a particle-type polymer comprising a carboxyl group or an alcohol group; and a chain-type polymer comprising a carboxyl group or an alcohol group (if the particle-type polymer comprises the carboxyl group, the chain-type polymer comprises the alcohol group and, if the particle-type polymer comprises the alcohol group, the chain-type polymer comprises the carboxyl group).
Absstract of: EP4610173A1
A hybrid rotor drive system includes: a gas turbine engine including a compressor, a combustor, a turbine, and a first output shaft that mechanically connects the compressor to the turbine; an electric motor including a second output shaft; and a gear box including a first input interface, a second input interface, a speed reducer that reduces speed of rotational force input from the first input interface and the second input interface, and an output interface that outputs the rotational force, which has been reduced in speed by the speed reducer, to a rotor. The first output shaft of the gas turbine engine is mechanically connected to the first input interface, and the second output shaft of the electric motor is mechanically connected to the second input interface.
Absstract of: EP4610679A1
An information processing method includes: acquiring measurement data of a plurality of energy storage devices; executing, based on measurement data of a first energy storage device group selected from the plurality of energy storage devices, a first process for estimating a degradation state of the first energy storage device group; extracting, from among the plurality of energy storage devices, a second energy storage device to be subjected to a second process; and executing, based on measurement data of the extracted second energy storage device, a second process for estimating a degradation state of the second energy storage device.
Absstract of: EP4610047A1
A friction coefficient between a resin layer and a mold layer via a lubrication layer is stably determined with a small amount of calculation. A lubricant selection apparatus includes a lubricant information input unit configured to receive an input of information on a plurality of lubricant candidates; an energy calculation unit configured to calculate an interaction energy between a lubrication layer and a resin layer, the lubrication layer being formed by each of the plurality of lubricant candidates; a friction coefficient estimation unit configured to estimate, in accordance with the interaction energy, a friction coefficient between the resin layer and a mold layer via the lubrication layer; and a lubricant selection unit configured to select a lubricant from the plurality of lubricant candidates in accordance with the friction coefficient.
Absstract of: EP4611116A1
A method for recovering valuable materials from lithium ion secondary batteries is provided. The method includes: a heat-treatment step of performing a heat treatment on a lithium ion secondary battery to obtain a heat-treated product; a first classification step of classifying a crushed product, which is obtained by crushing the heat-treated product, to obtain a coarse-particle product 1 and a small-particle product; a second classification step of classifying a ground product, which is obtained by grinding the small-particle product, at a classification point smaller than a classification point of the first classification step to obtain a coarse-particle product 2 and a fine-particle product; a first magnetic separation step of subjecting the fine-particle product obtained in the second classification step to magnetic separation to obtain a magnetic component 1 and a non-magnetic component 1; a second magnetic separation step of subjecting the non-magnetic component 1 obtained in the first magnetic separation step to magnetic separation to obtain a magnetic component 2 and a non-magnetic component 2; and a recovering step of recovering valuable materials from the magnetic component 1 and the magnetic component 2.
Absstract of: EP4611102A1
The present application provides a secondary battery and an electrical apparatus. The secondary battery comprises a battery case having an accommodating cavity, a cell assembly disposed in the accommodating cavity, and an electrolyte containing a first additive, the first additive comprising a sulphate compound; wherein a ratio W/R of a mass percentage W of the sulphate compound to a residual space R is within a range of 0.03% to 40% based on the total mass of the electrolyte, which enables the secondary battery to achieve a balance between service life and energy density.
Absstract of: EP4611103A1
The present application provides a secondary battery and an electric device. The secondary battery comprises a battery case provided with an accommodating cavity, a battery cell assembly located in the accommodating cavity, and an electrolyte. The electrolyte comprises a chain carboxylic acid ester compound, wherein based on the total mass of the electrolyte, the mass content W of the chain carboxylic acid ester compound satisfies: 0.03 ≤ W/R ≤ 7. The secondary battery has excellent fast charging performance and long service life.
Absstract of: EP4611100A1
The present application relates to the technical field of lithium-ion batteries, in particular to a lithium-ion battery electrolyte solution, a secondary battery, a battery module, a battery pack, and an electrical device. The lithium-ion battery electrolyte solution includes a lithium salt, an organic solvent and an additive. The additive includes a compound represented by Formula I:where R<sub>1</sub> to R<sub>4</sub> are each independently selected from a hydrogen atom, a halogen atom, a nitrate ester group, a nitrite ester group, a substituted or unsubstituted C1 to C12 alkyl, and a substituted or unsubstituted C1 to C12 alkoxy, provided that at least one of R<sub>1</sub> to R<sub>4</sub> is a nitrate ester group. The present application solves the problems of poor solubility of existing additives and low conductivity of a formed solid electrolyte interphase (SEI).
Absstract of: EP4611104A1
This application provides a non-aqueous electrolyte. The non-aqueous electrolyte includes: a first sodium salt, where the first sodium salt includes at least one of sodium hexafluorophosphate, sodium hexafluoroarsenate, sodium perchlorate, and sodium trifluoroacetate; and a second sodium salt, where the second sodium salt includes one, two, or more of a sodium salt having sulfonate, a sodium salt having oxalate, a sodium salt having phosphate, and a sodium salt having borate. The non-aqueous electrolyte provided in this application is applicable to sodium-ion batteries, can improve the room-temperature and high-temperature cycling performance and capacity retention rate after high-temperature storage of the sodium-ion batteries, and can significantly reduce the battery volume swelling rate after high-temperature storage of the sodium-ion batteries.
Absstract of: EP4611111A1
An experimental jig according to an embodiment of the present invention may include a first plate, a second plate that is disposed to be spaced a constant distance from the first plate so that a secondary battery is disposed between the first plate and the second plate, a coupling part that passes through the first plate and the second plate to couple the first plate and the second to each other, and a side plate that is disposed between the first plate and the second plate in a state, in which the coupling part passes through the side plate, to surround a side surface of the secondary battery.
Absstract of: EP4611099A1
This application relates to a lithium-ion battery, including a positive electrode and an electrolyte. A positive electrode active material included in the positive electrode includes a doping element. The doping element includes at least one selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo, and a percentage of the doping element satisfies 0.01%≤W1%≤0.5%. The electrolyte includes an oligomer according to formula (I), and a percentage of the oligomer satisfies 0.1%≤W2≤10%. This application further relates to an electric apparatus including such lithium-ion battery.
Nº publicación: EP4611117A1 03/09/2025
Applicant:
WITH CO LTD [KR]
With.Co., Ltd
Absstract of: EP4611117A1
Disclosed is a material separation method for recycling a battery cell, the material separation method including: a disassembling operation of separating an electrode assembly from which a pouch has been removed from a battery cell into first electrode plates, second electrode plates, and a separator, in which the disassembling operation may include: a separator opening operation of opening the separator surrounding the electrode assembly; and a main disassembling operation of separating the first electrode plates and the second electrode plates from the electrode assembly in which the separator is opened.
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