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1197
resultados
Última actualización
19/08/2025 [07:13:00]
Resultados 325 a 350 de 1197
Resumen de: WO2025170390A1
The present invention provides a porous polymer substrate in which a first polymer comprises an olefin-derived first repeating unit and a second polymer comprises: a hard segment comprising an olefin-derived second repeating unit; and a soft segment comprising a third repeating unit derived from a hydrophilic group-containing or oxygen-containing monomer, wherein the weight average molecular weight of the first polymer is at least three times greater than the weight average molecular weight of the second polymer.
Resumen de: WO2025170394A1
A battery diagnostic method according to an embodiment of the present invention is to diagnose a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel to each other, the battery diagnostic method comprising: a secondary differential profile generation step for generating a secondary differential profile indicating the relationship between a secondary differential capacity and the voltage of the battery bank, the secondary differential capacity being obtained by secondarily differentiating the capacity of the battery bank with respect to the voltage of the battery bank; and a diagnosis step for detecting a target peak located in a predetermined voltage section from among a plurality of peaks of the secondary differential profile so as to diagnose the state of the battery bank on the basis of a secondary differential capacity value of the target peak.
Resumen de: WO2025170337A1
The present invention relates to a method for regenerating a positive electrode active material and a regenerated positive electrode active material manufactured therefrom and, more specifically, to a method for regenerating a positive electrode active material and a regenerated positive electrode active material manufactured therefrom, the method being characterized by comprising: (a) a step for heat-treating a waste positive electrode composition including a positive electrode active material, a conductive material, a binder, and a solvent to remove the solvent; (b) a step for pulverizing the waste positive electrode composition removed of the solvent; (c) a step for heat-treating the pulverized waste positive electrode composition at 300-650 °C to remove the binder and conductive agent and recover the positive electrode active material; (d) a step for adding a lithium precursor to the recovered positive electrode active material and annealing at 400-1,000 °C; and (e) a step for washing the annealed positive electrode active material with a washing solution. The present invention has the effect of providing a method for regenerating a positive electrode active material and a regenerated positive electrode active material manufactured therefrom, wherein a waste positive electrode composition including a positive electrode active material, a conductive material, a binder, and a solvent is heat-treated at a low temperature to remove the solvent, pulverized, and then heat-tre
Resumen de: WO2025170334A1
The present invention relates to a method for recovering an iron phosphate battery material, the method comprising: a step (S1) of inducing a chemical discharge by opening an outer pouch of a used iron phosphate battery in a solution; and a step (S2) of recovering a battery material from the solution after the chemical discharge. The method for recovering an iron phosphate battery material can recover the main materials from a used iron phosphate battery with high efficiency and speed at a low cost.
Resumen de: WO2025170171A1
A battery system according to the present invention comprises: a first battery pack including a first battery cell; a second battery pack including a second battery cell; a charger; and at least one processor configured to control the charger to sequentially perform constant current (CC) charging of the second battery pack and the first battery pack when input power is identified, and control the charger to sequentially perform constant voltage (CV) charging of the second battery pack and the first battery pack when CC charging of the second battery pack and the first battery pack is completed, wherein the discharge performance of the first battery pack is higher than the discharge performance of the second battery pack, and the charge performance of the second battery pack is higher than the charge performance of the first battery pack.
Resumen de: WO2025167177A1
A battery cell (100), a battery (1000), and an electric device (2000). The battery cell (100) comprises: an electrode assembly (10), the electrode assembly (10) having a main body portion (11) and a tab (12), wherein the tab (12) protrudes from the main body portion (11) in a first direction (F1); a casing (20), which is configured to accommodate the electrode assembly (10); and an electrode terminal (30), the electrode terminal (30) being arranged on the casing (20), wherein the electrode terminal (30) is located on one side of the tab (12) in a second direction (F2), at least part of the electrode terminal (30) and at least part of the tab (12) are arranged opposite each other in the second direction (F2), and the second direction (F2) is perpendicular to the first direction (F1).
Resumen de: WO2025167146A1
A positive electrode material and a preparation method therefor, and a battery. The positive electrode material is a lithium nickel cobalt oxide composite oxide, which comprises an inner core and a surface reconstruction layer located outside the inner core, wherein the surface reconstruction layer is a region etched by using 100-times diluted aqua regia to dissolve the positive electrode material for 30 minutes, with the environmental temperature being controlled to be 300°C during dissolution; and the inner core is the residual region of the positive electrode material after the surface reconstruction layer is etched. The molar content of Li in the inner core is m1, and the molar content of Li in the surface reconstruction layer is m2, wherein 1.3≤m2/m1≤4.0. While the positive electrode material has a high capacity, the crystal structure stability of the positive electrode material is improved, thereby improving the cycling stability and withstand voltage of the positive electrode material.
Resumen de: WO2025167145A1
A positive electrode material, comprising first lithium iron phosphate particles and second lithium iron phosphate particles. The primary average particle size of the first lithium iron phosphate particles is 500 nm to 3000 nm. Calculated based on the total weight of the second lithium iron phosphate particles, the carbon content of the second lithium iron phosphate particles is 1.5 wt% to 2.0 wt%, and the mass of the second lithium iron phosphate particles is greater than or equal to the mass of the first lithium iron phosphate particles. A battery prepared using said positive electrode material can have both good energy density and good cycle performance.
Resumen de: WO2025169984A1
A non-aqueous electrolyte power storage element according to one aspect of the present invention comprises: a positive electrode containing a sulfur-based active material; and a non-aqueous electrolyte containing an electrolyte salt, an ionic liquid, and a non-aqueous solvent. The non-aqueous solvent contains a fluorinated cyclic ether.
Resumen de: WO2025170101A1
The present invention relates to a gasket structure and a method for manufacturing all-solid-state batteries using same. More specifically, the gasket structure comprises: a removable film; an adhesive layer disposed on the removable film and having a first line that separates along a first direction; and a gasket disposed on the adhesive layer and having a second line that separates along the first direction, wherein the adhesive layer comprises first openings, the gasket comprises second openings, the removable film comprises thirds openings, and the first, second, and third openings overlap on top of each other.
Resumen de: WO2025169975A1
This secondary battery disclosed herein comprises a positive electrode, a negative electrode facing the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. The positive electrode and the negative electrode are wound via the separator, thereby constituting an electrode group that has a plurality of peripheries. The secondary battery further comprises a battery can that houses the electrode group. A heat conduction member is disposed between an inner wall of the battery can and the outermost periphery of the electrode group, and a maximum thermal conductivity σ max of the heat conduction member is 600 W/m・ K or more.
Resumen de: WO2025169829A1
Provided is an adapter that can be connected to a battery pack capable of switching output voltages, is compact in size, or offers high design flexibility. An adapter 200, 300 can be mounted to a first voltage switching battery pack 100 by sliding backward with respect to the first voltage switching battery pack 100. A battery-side terminal 206, 306 and a body-side terminal 210, 310 are separated away from each other in the front-back direction, and a contact part of the battery-side terminal in contact with a battery terminal 102 overlaps the body-side terminal in the vertical direction.
Resumen de: WO2025166945A1
A system and method for detecting a cover closing gap of a cylindrical cell. The system (10) for detecting a cover closing gap of a cylindrical cell comprises a support cup (2), a detection mechanism (3), a rotary jacking mechanism (4), a down-pressing mechanism (5), and one or more gap detection stations (1). The support cup (2) is disposed at a gap detection station (1), and the support cup (1) is provided with a receiving recess (2a) for receiving the cylindrical cell (20) and a through hole (2b) running through the bottom wall of the receiving recess. The detection mechanism (3) is disposed at the gap detection station (1) for detecting the cover closing gap (20a) on the side surface of the cylindrical cell (20). A rotary jacking mechanism (4) is disposed below the support cup (2) for jacking the cylindrical cell (20) located in the receiving recess (2a). The down-pressing mechanism (5) is disposed above the support cup (2) for pressing down the cylindrical cell (20), such that the down-pressing mechanism (5) and the rotary jacking mechanism (4) clamp two ends of the cylindrical cell (20) in the height direction, and the rotary jacking mechanism (4) can drive the cylindrical cell (20) to rotate. The down-pressing mechanism (5) comprises a third driving member and a down-pressing portion (51), and the detection system (10) further comprises an encoder (6) disposed on the down-pressing portion.
Resumen de: WO2025167037A1
A coating deviation correction control method and apparatus, and a computer device and a storage medium. The method comprises: acquiring first image data and second image data that are obtained by means of respectively performing image collection on a first surface of an electrode sheet substrate and a second surface of the electrode sheet substrate within a sampling period; on the basis of relative image adjustment parameters of the first image data and the second image data, pairing consecutive frames of first images included in the first image data with consecutive frames of second images included in the second image data, so as to obtain a plurality of image combination pairs; on the basis of the first images and the second images in each image combination pair, determining an edge dislocation value of each image combination pair; acquiring an average edge dislocation value determined on the basis of a plurality of edge dislocation values, and on the basis of the average edge dislocation value, determining a target deviation correction amount during a coating process; and according to the target deviation correction amount, controlling a deviation correction component to perform coating deviation correction. The method can improve the deviation correction accuracy and the deviation correction efficiency of coating deviation correction.
Resumen de: WO2025167038A1
A coating misalignment detection method and apparatus, a computer device, and a storage medium. The coating misalignment detection method comprises: acquiring a coating type of an electrode sheet base material, and determining the number of reference edges on the basis of the coating type (S202); when there are two reference edges, determining a target reference edge corresponding to the edge of each coating area of the electrode sheet base material (S204); determining data on a first distance from the edge of a coating region on a first surface of the electrode sheet base material to the corresponding target reference edge, and data on a second distance from the edge of a coating region on a second surface of the electrode sheet base material to the corresponding target reference edge (S206); and determining a coating misalignment amount of the electrode sheet base material in the coating process on the basis of the first distance data and the second distance data (S208). The use of the method can reduce interference generated by blank regions on the surface of the electrode sheet base material during coating misalignment detection, thereby effectively improving the accuracy of coating misalignment detection.
Resumen de: WO2025169817A1
A deterioration amount transition identification unit (112) identifies a transition in the amount of deterioration of a secondary battery on the basis of battery data and a deterioration characteristic map for the secondary battery. A maximum/minimum period search unit (113) searches, in a first period, for each of a deterioration maximum period in which the total deterioration amount is at a maximum and a deterioration minimum period in which the total deterioration amount is at a minimum, with a second period being used as a unit for the search. A conversion coefficient calculation unit (114) calculates each of a maximum-side conversion coefficient indicating the ratio of the statistical value of the deterioration amount between the first period and the deterioration maximum period, and a minimum-side conversion coefficient indicating the ratio of the statistical value of the deterioration amount between the first period and the deterioration minimum period. A deterioration prediction formula generation unit (116) performs a curvilinear regression on the time-series state of health (SOH) of the secondary battery to generate a basic deterioration prediction formula, generates a deterioration-maximum-side deterioration prediction formula using the basic deterioration prediction formula and the maximum-side conversion coefficient, and generates a deterioration-minimum-side deterioration prediction formula using the basic deterioration prediction formula and the minimum-side co
Resumen de: WO2025169627A1
This power storage module manufacturing method comprises: a transport step, in which a module body into a space of which an electrolyte solution has been injected and which has been activated is transported in a horizontal orientation so that a first direction runs along the vertical direction; an inversion step (S2), in which the module body that was transported in the horizontal orientation in the transport step is received, and the orientation of the module body is inverted from the horizontal orientation to a vertical orientation in which an opening faces upward along the vertical direction; and a sealing step (S10), in which the opening of the module body that was put in the vertical orientation in the inversion step (S2) is sealed off with a sealing member in a reduced-pressure environment.
Resumen de: WO2025169834A1
To provide a rubber composition capable of extinguishing fire in a short time with respect to ignition caused by rapid temperature rise of a battery cell, etc. and excellent in adhesiveness, workability, and ability to conform to an object being protected. The present invention provides a rubber composition that contains 50-2000 mass parts of a metal hydroxide per 100 mass parts of a matrix polymer. The matrix polymer contains a liquid rubber and a solid elastomer, and the mass ratio of the liquid rubber and the solid elastomer is 95:5 to 50:50.
Resumen de: WO2025167031A1
Disclosed in the present invention are screened carbon, and a preparation method therefor and a use thereof. Carbon is primarily deposited at pore openings of the screened carbon; carbon is secondarily deposited at the positions, corresponding to the pore openings, on the surface of the primary deposited carbon; the carbon deposited two times do not enter the interior of pore bodies; the diameters of the pores subjected to two-time deposition are all less than 0.33 nm; the specific surface area of the screened carbon subjected to a CO2 adsorption and desorption test is 0-10 m2/g. By means of two chemical vapor deposition, the present invention adjusts the pore openings to be less than 0.33 nm while keeping the original sizes of the pore bodies, thereby effectively improving the initial coulombic efficiency of a carbon material.
Resumen de: WO2025167030A1
A liquid injection system and method for a battery cell. The liquid injection method for a battery cell is applicable to an upper-level computer, and comprises: in response to a battery cell to undergo liquid injection arriving at a liquid injection station, acquiring corresponding position memory information of the battery cell in a tray; determining an actual liquid preparation amount and a preset liquid preparation amount corresponding to a liquid injection mechanism deployed on the liquid injection station; and when the difference between the actual liquid preparation amount and the preset liquid preparation amount is less than or equal to a preset deviation value, acquiring liquid injection data of the battery cell, wherein the liquid injection data is obtained by the liquid injection mechanism when performing liquid injection on the battery cell on the basis of the actual liquid preparation amount and the position memory information.
Resumen de: WO2025167019A1
A heat exchange member (100), a battery (1000), and an electrical device. The heat exchange member (100) comprises: a plurality of connecting tubes (10), arranged at intervals; a current collector (20), having an inlet (201) and an outlet (202), wherein the inlet (201) is used for inputting a medium, the outlet (202) is used for outputting a medium, the current collector (20) is connected to and communicated with each connecting tube (10), the current collector (20) and the plurality of connecting tubes (10) jointly form a plurality of liquid flow paths arranged in parallel, and each liquid flow path extends from the inlet (201) to the outlet (202); and a reinforcing member (30), provided on the current collector (20) and configured to enhance the strength of the current collector (20).
Resumen de: WO2025167018A1
A heat exchange tube (10), a battery (1000), and an electric apparatus. The heat exchange tube (10) comprises a plurality of heat exchange sections (101), the plurality of heat exchange sections (101) are separately formed, and the plurality of heat exchange sections (101) are sequentially spliced and communicated; each heat exchange section (101) comprises a bent section (12) and straight sections (11), two straight sections (11) of any two adjacent heat exchange sections (101) are connected by means of a lap joint structure (13), the lap joint structure (13) comprises a first insertion portion (131) and a second insertion portion (132), and the first insertion portion (131) is inserted into the second insertion portion (132) and is connected to the second insertion portion (132).
Resumen de: WO2025169875A1
The present invention pertains to a method for manufacturing lithium-based polyanion particles for a positive electrode active material of a lithium-ion secondary battery. The method is highly safe and provides simplified steps as a process for regenerating used lithium-ion batteries. Specifically, the present invention is a method for producing lithium-based polyanion particles for a positive electrode active material of a lithium-ion secondary battery, the method using a powder (X) that contains degraded lithium-based polyanion particles (A') and that is obtained from a used lithium ion secondary battery constituted by a positive electrode containing lithium-based polyanion particles (A) that carry carbons. The method does not use a reducing agent and comprises: a step (I) for mixing the powder (X) and a lithium source (Y) to obtain slurry water I; a step (II) for adjusting the pH of the slurry water I that has been obtained to 9-14 to obtain slurry water II; and a step (III) for subjecting the slurry water II that has been obtained to a heating process at a temperature of at least 30°C but lower than 200°C for 3 to 5 hours. The lithium-based polyanion particles (A) are represented by formula (A): LiaMnbFecMxPO4, and the degraded lithium-based polyanion particles (A') are represented by formula (A), where the molar ratio of Li to P, which is Li/P, is at least 0.3 but less than 1.
Resumen de: WO2025169628A1
This power-storage module manufacturing method comprises: a step (S1) for carrying a module main-body into which an electrolyte is injected into a space in a chamber; a step (S5) for decompressing the inside of the chamber into which the module main-body was carried in; a step (S7) for confirming whether or not the electrolyte leaked from an opening part of the module main-body adheres to the module main-body in a state where the inside of the chamber is decompressed; and a step (S10) for sealing the opening part by a sealing member while the inside of the chamber is decompressed in a state where it is confirmed that the electrolyte does not adhered to the module main-body.
Nº publicación: WO2025169792A1 14/08/2025
Solicitante:
GS YUASA INT LTD [JP]
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Resumen de: WO2025169792A1
Provided is a method for measuring the capacity of a power storage element mounted on a vehicle 10 including an OBD port 25 for connecting an OBD scan tool 12 to OBD, wherein a master ECU 21A of the vehicle 10 receives an instruction of capacity measurement for a power storage device 23 for accessories from the OBD scan tool 12 via the OBD port 25, the master ECU 21A, which has received the instruction, controls an electric system 20 of the vehicle 10 to discharge the power storage device 23 for accessories, a BMU 31 of the power storage device 23 for accessories integrates a discharge current of the power storage device 23 for accessories during the discharge and measures the capacity of the power storage device 23 for accessories on the basis of the integrated quantity of electricity.
BOPI
Sede Electrónica
