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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 325 a 350 de 1314
Resumen de: WO2025179729A1
A battery pack and an electrical device, the battery pack comprising a plurality of first battery cells, the lower limit voltage of the first battery cells being 2.5-3.0 V; and a plurality of second battery cells, the second battery cells and the first battery cells being arranged in series, and the lower limit voltage of the second battery cells being ≤2.0 V. A negative electrode current collector of each second battery cell comprises metal, the metal comprises at least one of aluminum, nickel, molybdenum, titanium, niobium and iron, and the mass ratio of the metal is ≥40% on the basis of the total mass of the negative electrode current collector of the second battery cell.
Resumen de: WO2025179712A1
A relay welding diagnosis method and a power battery system. The method comprises: collecting a first front end voltage and a first rear end voltage of a main positive relay (S301); when it is determined, on the basis of the first front end voltage and the first rear end voltage, that the main positive relay is in a non-welded state, closing a pre-charge relay and collecting a second rear end voltage of the main positive relay, and when it is determined, on the basis of the second rear end voltage, that the pre-charge relay has been successfully closed, collecting a third rear end voltage of a main negative relay (S302); and when it is determined, on the basis of the third rear end voltage, that the main negative relay is in a non-welded state, disconnecting the pre-charge relay and collecting a fourth rear end voltage of the main positive relay, and when it is determined, on the basis of the fourth rear end voltage, that the pre-charge relay has been successfully disconnected, determining that no welding currently exists (S303). Thus, the problem of high detection cost caused by the need for two high-voltage sampling circuits in relay welding detection circuits is solved, and simultaneous detection of a main positive relay and a main negative relay is realized.
Resumen de: WO2025183193A1
A positive electrode mixture including: a conductivity aid that is a carbon material; a sulfur-based active material; and a solid electrolyte, wherein the variation in luminance intensity in the same field of view is 0.250 or less in a secondary electron image from a scanning electron microscope, and at least part of the solid electrolyte is crystalline with the crystallite diameter thereof being 90 nm or less.
Resumen de: WO2025183179A1
This solid electrolyte has a first region and a second region having a composition different from that of the first region. The first region contains a compound containing lithium, zirconium, oxygen, halogen, and sulfur. The second region has a composition ratio of sulfur and oxygen of 80 wt% or more when the composition is analyzed by scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDX) analysis. When this solid electrolyte is X-ray-diffraction-measured using Cu-Kα rays, a first diffraction peak is detected in a diffraction angle range of 28.2 ± 0.4°.
Resumen de: WO2025183138A1
A power storage module (10) comprises at least one power storage device (20), a case (40) that accommodates the at least one power storage device (20), a cooling liquid (50) in which the at least one power storage device (20) is immersed inside the case (40), and a switching device (60) for switching between a state in which a gas that is inside the case (40) is discharged from the case 40 and a state in which the cooling liquid (50) is collected from the gas.
Resumen de: WO2025183086A1
Disclosed is a positive electrode active material for sodium ion batteries, the positive electrode active material being a sulfide. The sulfide is a sulfide (i) represented by formula NaαiFe1-xiTMi xiS4 (in the formula, αi is 0 to 6 inclusive, xi is 0 to 0.6 inclusive, and TMi is a transition metal) or a sulfide (ii) represented by formula NaαiiFe2-xiiTMii xiiS6 (in the formula, αii is 0 to 8 inclusive, xii is 0 to 0.6 inclusive, and TMii is a transition metal). Consequently, the present invention provides a novel positive electrode active material that is useful for a sodium ion battery.
Resumen de: WO2025183200A1
This positive electrode mixture comprises: a conductive auxiliary agent which is a carbon material; a sulfur-based active material; and a solid electrolyte, wherein in elemental analysis using energy dispersive X-ray spectroscopy of an electron microscope image, the mapping overlap rate between carbon and phosphorus is 60% or more, and in powder X-ray diffraction using CuKα rays, there is a diffraction peak A at 2θ=25.7±0.5° and a diffraction peak B at 2θ=30.2±0.5°, and the half-value width of diffraction peak A is 0.190 or less.
Resumen de: WO2025183203A1
The present invention relates to coated particles each comprising a sulfide-based particle having a surface coated with a fluorine-containing organic compound. The fluorine-containing organic compound contains a structural unit (1) that is based on a specific monomer (1) and a structural unit (2) that is based on a specific monomer (2). The average particle diameter of the coated particles is 10 nm to 10 μm.
Resumen de: WO2025182450A1
The present invention provides: a solid electrolyte (19) with which it is possible to reduce the interfacial resistance; an ion conductor (10); a sheet (15); and a power storage device (11). The solid electrolyte has a garnet-type crystal structure that contains Li, La, Zr, and O, and when the spectrum emitted from the surface of the solid electrolyte is measured by X-ray photoelectron spectroscopy, the value obtained by dividing the abundance ratio of C by the sum of the abundance ratio of La and the abundance ratio of Zr is less than 3.1. The ion conductor includes the solid electrolyte and an electrolyte solution (23) which is obtained by dissolving a lithium salt in a nonaqueous solvent. The sheet includes the ion conductor and a binder for binding the solid electrolyte. The power storage device includes the solid electrolyte.
Resumen de: WO2025182338A1
The present invention is characterized in that: a positive electrode mixture layer has a first positive electrode mixture layer that is aligned with a positive electrode current collector exposure part in the longitudinal direction of a positive electrode (11), and a second positive electrode mixture layer that is adjacent to the positive electrode current collector exposure part and the first positive electrode mixture layer in the width direction of the positive electrode; a protective member (36) covers the positive electrode current collector exposure part and a portion of the positive electrode mixture layer, the portion being adjacent to the positive electrode current collector exposure part; a separator (13) has a base material layer (50) and a filler layer (52); the filler layer (52) includes resin particles (54) and has projected parts (56) that are formed by the resin particles (54); and in a surface view of the filler layer (52), the ratio of the area of the projected parts (56) to the area of the surface of the filler layer (52) is 12% or more and 20% or less.
Resumen de: WO2025182340A1
Disclosed is a nonaqueous electrolyte solution which contains: a compound represented by formula (1), wherein R is a direct bond, an alkylene group having 1-4 carbon atoms, or a halogenated alkylene group having 1-4 carbon atoms; LiBF4; a nonaqueous solvent; and an electrolyte. The electrolyte is a compound that is different from the compound represented by formula (1) and LiBF4. The content of LiBF4 is 3.0 mass% or less based on the total amount of the nonaqueous electrolyte solution.
Resumen de: WO2025182301A1
Disclosed is a nonaqueous electrolyte solution for a secondary battery, the nonaqueous electrolyte solution containing a hexafluorophosphate, a compound represented by formula (1), and a nonaqueous solvent. (1): FSO2NHR1 In formula (1), R1 represents a hydrogen atom or an optionally substituted hydrocarbon group having 1 to 18 carbon atoms.
Resumen de: WO2025179858A1
An electrical device, which comprises a battery, the battery comprising a battery cover assembly. The battery cover plate assembly comprises a riveting ring, a lower gasket, a cover plate, and a pole body. The riveting ring is sleeved within a mounting hole of the cover plate, and a first crimping edge located above the cover plate and a second crimping edge located below the cover plate are respectively formed on two ends of the riveting ring. The lower gasket is arranged between the second crimping edge and the cover plate. An insulating sealing layer is arranged between the cover plate and the lower gasket as well as between the cover plate and the first crimping edge, and a pressing space is formed between the first crimping edge and the second crimping edge. A pole cover plate is arranged at one end of the pole body extending out of the riveting ring, and the pole cover plate is connected to the first crimping edge.
Resumen de: WO2025179748A1
A separator and a preparation method therefor, and a lithium-ion battery. The separator comprises the following raw material components: polyimide, pentafluorocyclotriphosphazene and a fluorophosphite. Based on the total mass of the polyimide, the pentafluorocyclotriphosphazene and the fluorophosphite, the mass fraction of the polyimide is greater than or equal to 70%; the mass fraction of the pentafluorocyclotriphosphazene is 5-15%; and the mass fraction of the fluorophosphite is 10-15%.
Resumen de: WO2025179681A1
A conveying logistics line and a method, and a logistics control method for pallets, the conveying logistics line comprising an empty pallet conveying line (5), a first full pallet conveying line (3), a second full pallet conveying line (4), a converging conveying line (63), a workpiece pickup station (7), and an electrical control module. The electrical control module is communicatively connected to the empty pallet conveying line (5) and is configured for controlling, according to information on the real-time number of full pallets (9) on the first full pallet conveying line (3) and on the second full pallet conveying line (4), the number of empty pallets (8) to be conveyed by the empty pallet conveying line (5) to each first workpiece manufacturing machine (1) and each second workpiece manufacturing machine (2), so as to achieve a stable conveying state during a set operating time of the conveying logistics line, wherein the stable conveying state comprises the real-time number of full pallets (9) on the first full pallet conveying line (3) and the real-time number of full pallets (9) on the second full pallet conveying line (4) being within a first set range and a second set range, respectively.
Resumen de: WO2025179591A1
A battery, an electric device, and an energy storage device. The battery comprises: at least one battery cell (10), wherein each battery cell (10) has a pole (101) on a first surface (103) on one side in a first direction (X); an accommodating case (11), wherein an accommodating cavity is provided in the accommodating case (11), and each battery cell (10) is accommodated in the accommodating cavity; and a heat exchange assembly (14) provided on the first surface (103) of the battery cell (10) and used for exchanging heat with each battery cell (10), wherein the projection of the pole (101) along the first direction (X) within the first surface (103) does not overlap the projection of the heat exchange assembly (14) along the first direction (X) within the first surface (103).
Resumen de: WO2025183206A1
A positive electrode mixture including: a conductivity aid that is a carbon material; a sulfur-based active material; and a solid electrolyte, wherein the variation in luminance intensity in the same field of view is 0.250 or less in a secondary electron image from a scanning electron microscope, and at least part of the solid electrolyte is crystalline with the crystallite diameter thereof being 40 nm or more.
Resumen de: WO2025183129A1
This lithium secondary battery includes: a positive electrode (11); a negative electrode (12); a separator (13) disposed between the positive electrode (11) and the negative electrode (12); a non-aqueous electrolyte; and a spacer (50) disposed between the separator (13) and either the positive electrode (11) or the negative electrode (12). At the negative electrode (12), lithium metal precipitates during charging, and the lithium metal is dissolved during discharging. The negative electrode (12) contains a lithium alloy containing magnesium. A protective layer (40) containing a fluorinated polymer is disposed on a surface of the negative electrode (12).
Resumen de: WO2025183131A1
This lithium secondary battery includes: a positive electrode (11); a negative electrode (12); and a nonaqueous electrolyte. At the negative electrode (12), lithium metal precipitates during charging, and the lithium metal is dissolved during discharging. A protective layer (40) is disposed on a surface of the negative electrode (12). The protective layer (40) contains a fluorinated polymer and a block copolymer. The block copolymer includes a first polymer portion having a monomer unit A repeating structure, and a second polymer portion having a monomer unit B repeating structure. The fluorinated polymer and the block copolymer are present in the protective layer (40) as separate molecules.
Resumen de: WO2025183052A1
This non-aqueous electrolyte secondary battery includes: a flat electrode body (60) in which a positive electrode (30) to which a positive electrode tab (22) is connected and a negative electrode (40) to which a negative electrode tab is connected are wound via a separator (70); and an exterior body (12). In the exterior body, a laminate sheet including an adhesive resin layer is folded back along a bottom portion, the peripheral edge portions of two sheet elements facing each other are joined, and each sheet element is provided with a housing portion (13) for housing the electrode body and an exterior body flat portion (15) for sealing the opening of the housing portion. When the outermost periphery of the positive electrode is divided into two, the exterior body flat part side and the bottom end side of the housing portion, the positive electrode tab (22) is attached to the exterior body flat portion side and is led out from the top portion of the exterior body. The negative electrode tab 24 is attached to an intermediate periphery between the innermost periphery and outermost periphery of the negative electrode and is led out from the top portion.
Resumen de: WO2025182281A1
The present invention provides a negative electrode, for a lithium secondary battery, in which a negative electrode active material layer is formed on a current collector, wherein a negative electrode active material includes a phosphorus-carbon composite negative electrode material containing phosphorus atoms and carbon atoms, and the negative electrode active material layer has an area ratio of 0.05-12% of black portions with respect to the entirety of a binary image acquired through the following method. Binary image acquisition method A surface of the negative electrode active material layer is imaged by a scanning electron microscope at an imaging magnification of 40 times to obtain a negative electrode surface image. The negative electrode surface image is subjected to adaptive binarization processing to acquire a binary image.
Resumen de: WO2025182300A1
This non-aqueous electrolytic solution for a lithium ion secondary battery comprises a compound represented by formula (1), a cyclic sulfonic acid ester, a compound represented by formula (2), and a non-aqueous solvent. (1): LiN(R1SO2)(R2SO2) In formula (1), R1 and R2 each independently represent a fluorine atom or an alkyl group which has 1-6 carbon atoms and which may be substituted with a fluorine atom. (2): FSO2NHR3 In formula (2), R3 represents a hydrogen atom or a hydrocarbon group which has 1-18 carbon atoms and which may be substituted.
Resumen de: WO2025182260A1
The present invention addresses the problem of providing a battery in which a polymer electrolyte can be used regardless of the potential window. The present invention provides a battery which comprises: a positive electrode; a negative electrode; a first electrolyte layer that is positioned between the positive electrode and the negative electrode; and a second electrolyte layer that is positioned between the first electrolyte layer and the positive electrode and/or between the first electrolyte layer and the negative electrode. The first electrolyte layer contains a polymer electrolyte. The polymer electrolyte contains at least a polymer and an alkali metal salt. The alkali metal salt is contained in an amount of 5 parts by mass to 200 parts by mass inclusive relative to 100 parts by mass of the polymer. The second electrolyte layer contains a porous base material and a nonaqueous electrolyte solution.
Resumen de: WO2025182016A1
In a control performed on a high-temperature-operation-type storage battery that is capable of charging and discharging, the temperature of a storage battery is maintained at a prescribed maintenance temperature higher than the lower-limit value of an operation temperature range for the storage battery by heating the storage battery using a heater attached to a storage battery in a standby state in which discharge from the storage battery is not performed, a first discharge start preparation time that is a timing at which heating performed by the heater is stopped and a second discharge start preparation time that is a timing at which a heat radiation means is operated are set so that the temperature of the storage battery reaches the lower-limit value of the operation temperature range at a timing when a scheduled discharge start time arrives, heating performed by the heater is stopped at the timing when the first discharge start preparation time arrives, and the heat radiation means is operated at the timing when the second discharge start preparation time arrives.
Nº publicación: WO2025179399A1 04/09/2025
Solicitante:
ECAMION INC [CA]
ECAMION INC
Resumen de: WO2025179399A1
An energy storage system (ESS) comprises a cabinet; at least one battery string within the cabinet, the at least one battery string comprising a plurality of battery modules; and a suppression system within the cabinet configured to monitor a plurality of ESS conditions and to condition the ESS in a staged manner as monitored ESS conditions escalate as a result of a potential ESS failure event.
BOPI
Sede Electrónica
