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506
resultados
Última actualización
05/07/2025 [07:36:00]
Resultados 500 a 506 de 506
Resumen de: WO2025135315A1
An all-solid secondary battery according to an embodiment comprises: an all-solid cell comprising a positive electrode, a negative electrode, and a solid electrolyte layer; support plates supporting the respective surfaces of the all-solid cell; and uniform pressure applying members positioned between the all-solid cell and the support plates and applying uniform pressure to the all-solid cell, wherein the uniform pressure applying members comprise: piezoelectric element layers facing the respective surfaces of the all-solid cell and generating a piezoelectric current due to uneven pressure resulting from the surface unevenness of the all-solid cell; and pressure compensation layers positioned on one surface of the piezoelectric element layers and compensating for the uneven pressure by using the piezoelectric current.
Resumen de: WO2025134203A1
Provided are an OCV measurement method and an OCV measurement device that enable highly accurate OCV measurement even when a secondary battery installed in a vehicle is in a low SOC state, thereby allowing the deterioration state of the secondary battery to be ascertained with high accuracy. The present invention comprises: a step (ST2) in which, when a secondary battery has been discharged and is in a low charge state, the secondary battery is charged for a set time until a polarization characteristic is eliminated; a step (ST6) in which it is determined whether the open circuit voltage (OCV) of the secondary battery can be measured; and a step (ST7) in which, when it has been determined that the OCV can be measured, the OCV of the secondary battery is measured.
Resumen de: WO2025135263A1
Provided are an X-ray imaging device and a control method thereof. The X-ray imaging device according to an embodiment of the present invention includes: a transfer unit for transferring an electrode material of a battery cell; an X-ray generator for irradiating the electrode material of the battery cell with X-rays; an X-ray detector for detecting X-rays irradiated from the X-ray generator and having passed through the electrode material so as to generate projection data; a processor for generating a tomographic image on the basis of a plurality of projection data generated through the X-ray detector; and an image analysis unit for detecting a defective part, which is generated in a notching process, present in the electrode material of the battery cell by using the tomographic image.
Resumen de: WO2025135706A1
The present invention relates to a method for analyzing the quality of lithium sulfide in a lithium-sulfur electrode, which is a method for analyzing residual lithium compounds in a lithium-sulfide active material, and comprises the steps of: preparing an electrode including a positive electrode active material; charging and discharging the electrode to obtain first data on voltage according to capacity (specific capacity); and obtaining data according to an area value calculated by integrating a value (dQ/dV) obtained by differentiating a battery capacity (Q) according to the voltage (V) by the voltage (V) from the first data, and analyzing the data.
Resumen de: WO2025135712A1
The present invention relates to a preparation method of lithium sulfide with lithium polysulfide, the method comprising the steps of: mixing a carbon-based material with a lithium sulfate aqueous solution, followed by thermal treatment; subjecting the thermally treated product to solvent extraction with a solvent including water (H2O); and obtaining lithium sulfide, wherein the step of subjecting the thermally treated product to solvent extraction comprises a step of adding S8 to the thermally treated product.
Resumen de: WO2025135702A1
A gap filler composition according to embodiments of the present invention comprises: a siloxane-based resin; a filler including thermally conductive inorganic particles, hollow particles, and graphite particles; and a catalyst. The crushing strength of the hollow particles is 1,000 psi or more. Provided is a gap filler composition using hollow particles and graphite particles and having a low specific gravity, high thermal conductivity, and improved viscosity stability. Provided is a battery pack using the gap filler composition.
Resumen de: WO2025135683A1
The present invention relates to a battery shredded material and a battery processing method. The battery shredded material for recovering valuable metals from a waste battery has a layered structure including a separator with at least one surface on which a cathode and an anode are stacked, wherein the amount of copper (Cu) in the anode includes 0.01 wt% to 2.5 wt% with respect to 100 wt% of the anode.
Resumen de: WO2025135703A1
The present invention relates to a shredded battery material and a battery disposal method, wherein the shredded battery material is a shredded battery material obtained by dispersing and disposing at least one unit shredded battery material, and has an R value of 190 to 260 in RGB of a captured two-dimensional image.
Resumen de: WO2025135707A1
The present invention relates to a method for recovering lithium, the method comprising the steps of: preparing a waste liquid containing lithium and having a pH of at least 8; injecting a Ca compound into the waste liquid to remove impurities; and recovering lithium in the waste liquid from which the impurities have been removed.
Resumen de: WO2025135208A1
The present invention relates to an anode active material for a lithium secondary battery and a manufacturing method thereof, the anode active material comprising a silicon-based substrate and a coating layer coated on the surface of the silicon-based substrate, wherein: the coating layer comprises a carbon layer and one or more nano-carbon beads; the carbon layer and the nano-carbon beads contain sulfur; and the content of the coating material in the coating layer may be 0.10-1.50 weight%.
Resumen de: WO2025135229A1
The present specification relates to a sealing apparatus and a sealing system, wherein the sealing apparatus fixes an object to be sealed such that a side surface of the object to be sealed on which multiple plates are stacked faces upward, moves from a position corresponding to one end side of the side surface to a position corresponding to the other end side by a predetermined distance, applies a sealing material while moving from the moved position to a position corresponding to one long side or the other long side of the side surface, and applies the sealing material to the side surface in a barcode-shaped pattern to perform side sealing.
Resumen de: WO2025135222A1
The present invention relates to a battery storage cabinet and a dry room in which the cabinet can be stored, and, more particularly, to a battery storage cabinet and a dry room in which the cabinet can be stored, the cabinet being capable of: individually storing a plurality of batteries after use such that, in the event of a fire, the fire can be extinguished in an individual battery and can be prevented from spreading; reducing the discharge of harmful gases; and preventing secondary damage due to an explosion by means of a double storage structure.
Resumen de: WO2025135049A1
Provided are: a non-aqueous electrolyte solution comprising a carbodiimide compound that is represented by formula (I) and a sulfonyl compound that is represented by a specific formula; and a non-aqueous electrolyte secondary battery. In formula (I), each R11 independently represents a C1-12 hydrocarbon group or a C3-18 trialkylsilyl group.
Resumen de: WO2025135068A1
Provided is a battery system operation device that makes it possible to propose an appropriate system expansion period for a secondary battery system. For this purpose, a battery system operation device (100) is provided with: a battery deterioration calculation unit (102) that calculates a first transition prediction, which is a prediction of a future transition in the deterioration degree of a first battery group, and a second transition prediction, which is a prediction of a future transition in the deterioration degree of a second battery group having a different deterioration degree than the first battery group; a battery deterioration degree comparison unit (103) that, on the basis of the first and second transition predictions, calculates an equivalence condition satisfaction period, which is a period which the first and second battery groups will satisfy a prescribed equivalence condition; and a system expansion period calculation unit (105) that, on the basis of the equivalence condition satisfaction period, determines or proposes a system expansion period, which is a period in which a secondary battery is to be added to the battery system.
Resumen de: WO2025135730A1
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising a nickel-containing lithium metal oxide in the form of a single particle, wherein the lithium metal oxide includes Zr and Ti as doping elements, and the ratio (I(003)/I(104)) of the peak intensity of the (003) plane to the peak intensity of the (104) plane in an X-ray diffraction pattern analysis of the lithium metal oxide is 1.53 to 1.7.
Resumen de: WO2025135699A1
A gap filler composition according to embodiments of the present invention comprises a siloxane-based resin, a filler containing thermally conductive inorganic particles, hollow particles, and graphite particles, a catalyst, and an amino-silicone-based dispersant. Provided is a gap filler composition that possesses low specific gravity, high thermal conductivity, and enhanced viscosity stability by utilizing the hollow particles, graphite particles, and amino-silicon-based dispersant. A battery pack utilizing the gap filler composition is provided.
Resumen de: WO2025135731A1
An electrode assembly is provided. An electrode assembly, according to one aspect of the present specification, comprises: an electrode-separator assembly including two layers of separators, each having a rectangular shape, and a first electrode disposed between the two layers of separators in a rectangular shape extending in a direction corresponding to the two layers of separators; and a second electrode separated from the first electrode by means of the separators, wherein at least a portion of the edge region of the two layers of separators is thermally fused in a state in which the first electrode is disposed between the two layers of separators, the electrode-separator assembly in the thermally fused state is folded in a zigzag pattern along the longitudinal direction, and the second electrode is disposed between layers of the folded and stacked electrode-separator assembly.
Resumen de: WO2025135733A1
The present invention relates to a solid electrolyte comprising: a sulfide-based solid electrolyte particle; and a coating layer encompassing, in a thin-film form, the entire surface of the sulfide-based solid electrolyte particle, and containing fluoride, wherein the fluoride contains at least one from among Al, Zn, Si and Sn.
Resumen de: WO2025135729A1
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising a first lithium transition metal oxide and a second lithium transition metal oxide, wherein the first lithium transition metal oxide and the second lithium transition metal oxide each independently have a molar ratio (Li/Me) of lithium to transition metal of greater than 1, an average particle diameter (D50) of the first lithium transition metal oxide is greater than an average particle diameter (D50) of the second lithium transition metal oxide, the first lithium transition metal oxide and the second lithium transition metal oxide are included in a weight ratio of 60:40 to 80:20 (first lithium transition metal oxide:second lithium transition metal oxide), and the first lithium transition metal oxide and the second lithium transition metal oxide each independently have a BET specific surface area of 1.0-3.5 m2/g.
Resumen de: WO2025135346A1
Disclosed is a battery control method comprising the steps of: acquiring at least one of a voltage value, a current value, and a temperature value of a battery cell from one or more sensors; calculating the state of charge of the battery cell on the basis of at least one of the voltage value, the current value, and the temperature value; estimating a negative electrode voltage value on the basis of at least one of the state of charge, the voltage value, the current value, and the temperature value of the battery cell; and determining a target output value of the battery cell on the basis of the estimated negative electrode voltage value and a reference output value of the battery cell.
Resumen de: WO2025135347A1
The present invention relates to a battery system and a battery pack diagnosis method by supplementing cell voltage and cell temperature data. The battery system comprises: a battery pack including a plurality of battery cells; a cell monitoring controller (CMC) for monitoring a plurality of first cell voltages and a plurality of first cell temperatures of the plurality of battery cells; and a battery management system (BMS) which determines a wireless communication status with the CMC, and diagnoses the battery pack on the basis of the plurality of first cell voltages and the plurality of first cell temperatures received from the CMC according to the wireless communication status with the CMC or diagnoses the battery pack by estimating a plurality of second cell voltages and a plurality of second cell temperatures of the plurality of battery cells.
Resumen de: WO2025135474A1
This battery management device comprises: a memory; and a processor operatively connected to the memory, wherein the processor is configured to: determine an operating range of a battery pack on the basis of battery state variables; calculate degradation rate values of the battery state variables on the basis of an energy degradation parameter; measure usable battery energy (UBE) that can be supplied by the battery pack, on the basis of a standard test pattern; and estimate a state of certified energy (SOCE) of the battery pack by comparing a value obtained by measuring the UBE with a reference value of the UBE.
Resumen de: WO2025135342A1
The present invention relates to an apparatus and method for estimating the internal resistance of a battery. The apparatus for estimating the internal resistance of a battery, according to an embodiment of the present invention, comprises: a storage unit that stores a plurality of pieces of battery charging information obtained during a plurality of constant current charging of a battery; and a control unit that reads a plurality of pieces of battery charging information having the same initial SOC as a target initial SOC from among the plurality of pieces of battery charging information, determines whether there is battery charging information corresponding to a constant current matching a target constant current from among the plurality of pieces of read battery charging information, and when a result of the determination is that there is no battery charging information according to the constant current matching the target constant current, estimates the internal resistance of the battery according to the target initial SOC and the target constant current charging by using two pieces of battery charging information corresponding to two constant currents adjacent to the target constant current.
Resumen de: WO2025135704A1
The present invention relates to a high-temperature reduction device for waste battery recycling, the device comprising: a charging unit for inputting raw materials; a heating unit for heating the raw materials inputted from the charging unit; a cooling unit for cooling a heat-treated product; a discharge unit for discharging a reactant cooled from the cooling unit; and a monitoring unit including a first measurement unit for measuring the level of the raw materials inputted by the charging unit for inputting the raw materials in a furnace and a second measurement unit for measuring the level of the raw materials inputted by the raw material charging unit in the heating unit.
Nº publicación: WO2025135732A1 26/06/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2025135732A1
The present invention relates to a negative electrode comprising: a current collector; a negative electrode active material layer disposed on the current collector; and a solid electrolyte membrane precursor layer disposed on the negative electrode active material layer, wherein the negative electrode active material layer has two or more line-shaped pattern grooves formed in the longitudinal direction of the current collector, and the solid electrolyte membrane precursor layer is disposed so that the shape of the pattern grooves of the negative electrode active material layer is maintained.
BOPI
Sede Electrónica
