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1363
resultados
Última actualización
13/09/2025 [07:35:00]
Resultados 1050 a 1075 de 1363
Resumen de: WO2025182651A1
A cylindrical battery (10) comprises: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound via a separator (13); a bottomed cylindrical outer can (16) that accommodates the electrode body (14); a lower insulating plate (19) that is arranged between the electrode body (14) and the bottom portion (35) of the outer can (16) and has a through-hole (41); and a negative electrode lead (21) that has one end joined to the negative electrode (12) and the other end joined to the bottom portion (35). An opposing portion (61) of the negative electrode lead (21) that faces the bottom portion (35) is accommodated in the through-hole (41) when viewed from the axial direction.
Resumen de: WO2025179677A1
A composite copper foil and a production process therefor, relating to the technical field of copper foil manufacturing. The composite copper foil comprises a substrate (70) and copper plated layers (80) provided on two sides of the substrate. The production process comprises: first, placing a substrate (70) into an acid tank (11), such that the surface of the substrate (70) is slightly corroded and thus coarsened; then using a moving mechanism (20) to take out the substrate (70) and using a rinsing assembly (30) to rinse same; then the moving mechanism (20) feeding the substrate (70) into an alkaline tank (12) for oil removal and, by means of a negative-pressure fan, air-drying the substrate (70) that has undergone the oil removal; then attaching a reducing agent to the substrate (70) and, in a chemical plating mode, soaking the substrate (70) in a reaction tank (90) filled with an electrolyte, such that elemental copper in the electrolyte is attached to the substrate to form copper plated layers; then increasing the thickness of the copper plated layers in a horizontal plating mode; and finally, attaching a negative electrode material to the copper plated layers, so as to complete the manufacturing of the composite copper foil. The copper plated layers have uniform thickness, and the copper foil exhibit good corrosion resistance and thermal conductivity.
Resumen de: WO2025179555A1
The present application provides a battery cell. The battery cell comprises a multi-layer structure formed of positive electrode sheets, negative electrode sheets and separators, wherein each separator is arranged between a positive electrode sheet and a negative electrode sheet. The battery cell can provide a charging rate greater than or equal to 2C. The multi-layer structure at least comprises a non-planar region, wherein in the non-planar region, the distance L1 between inner opposite surfaces of any adjacent positive and negative electrode sheets at any position has an appropriate value, such that the battery cell has an acceptable cycle life at the charging rate.
Resumen de: WO2025179476A1
A binder composition comprising a water-compatible copolymer as the binder material and water is disclosed, wherein the copolymer comprises a hydrophilic structural unit and a non-hydrophilic structural unit, and wherein the copolymer in the binder composition can be fibrillized in the presence of a shear force. The proportion of the hydrophilic structural unit in the copolymer is from about 60%to about 90%by mole, based on the total number of moles of monomeric units in the copolymer, and weight-average molecular weight of the copolymer is from about 400,000 g/mol to about 700,000 g/mol. The binder composition has a solid content of from about 5%to about 30%by weight, based on the total weight of the binder composition. An electrode layer manufactured using an electrode material mixture incorporating the binder composition of the present invention is also disclosed. The electrode components in the electrode layer are well-dispersed and adhere strongly to the current collector. As a result, the electrode layer could be made thicker and batteries comprising the electrode layer would have increased capacity.
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.
Resumen de: US2025278164A1
A roll map of an electrode coating process includes a roll map bar and a representation part. The roll map bar is displayed on a screen in synchronization with movement of an electrode between an unwinder and a rewinder while being coated with an electrode slurry in a roll-to-roll state. The roll map bar is displayed in the form of a bar by simulating the electrode in the roll-to-roll state. The representation part is configured to visually show either one of or both quality-related and defect-related acquired data associated with the electrode coating process. The acquired data is shown at a certain location on the roll map bar corresponding to a location in the electrode at which the data is measured. A roll map of an electrode coating process is generated by a process. A roll map of an electrode coating process is generated by a system.
Resumen de: US2025276601A1
A charging control system for an electric vehicle, the charging control system including a charging control device for the electric vehicle, and an EVSE (electric vehicle supply equipment) comprising cable and transmitting a signal to the charging control device for the electric vehicle, wherein the charging control device for the electric vehicle including a charging inlet configured to receive charging information and power from the EVSE, a control module configured to determine a charging mode based on the charging information and output a control signal in accordance with the determined charging mode, and a charger configured to charge a battery of the electric vehicle in accordance with the control signal of the control module, wherein the charging mode is determined by a charging standard of the EVSE.
Resumen de: WO2025180047A1
A battery (100) and an electric device. The battery (100) comprises a mounting part (1) and a flange structure (2); a mounting hole is formed in the mounting part (1); the flange structure (2) comprises a first connecting part (21a), a first sealing member (22), and a second sealing member (23); the first connecting part (21a) is movably arranged in the mounting hole; the first sealing member (22) is sleeved on the periphery of the first connecting part (21a), and is connected to the mounting part (1); and the second sealing member (23) is sleeved on the periphery of the first connecting part (21a), and matches the first sealing member (22) to enhance the sealing effect between the first sealing member (22) and the first connecting part (21a). The electric device comprises the battery (100).
Resumen de: WO2025179835A1
The present application provides a battery and an electric device. The battery comprises a battery module and a heat exchange component, the battery module comprises a plurality of battery cells, and gaps are formed between adjacent battery cells. The heat exchange component comprises a manifold and a plurality of nozzles, the manifold is located on one side of the plurality of battery cells in a first direction, a flow channel for a heat exchange medium to flow is provided in the manifold, and the plurality of nozzles are connected to the manifold and face the battery cells. In the first direction, the projections of the nozzles at least partially overlap the projections of the gaps.
Resumen de: WO2025180096A1
The present application relates to the technical field of secondary batteries, and provides a secondary battery and an electronic device. A positive electrode in the secondary battery provided in the present application comprises lithium cobalt oxide having a lamellar rock salt type structure, the lithium cobalt oxide has a space group R-3m, and the lithium cobalt oxide comprises an Mg element, a Ni element and an Al element, and can synergize with a nitrile compound having a suitable content in an electrolyte, thereby improving the stability of the positive electrode material. The present application can improve the floating charge performance of the secondary battery and reduce the impedance, and thus the secondary battery has good safety and reliability.
Resumen de: WO2025180048A1
An information acquisition assembly (10) of a battery cell (20), a battery (100) and an electric device (1000). The information acquisition assembly (10) of the battery cell (20) comprises: an information sampling structure (1) and a mounting base film (2); the information sampling structure (1) is suitable for being connected to the battery cell (20) to acquire information parameters of the battery cell (20); the mounting base film (2) comprises a base film material and a thermosetting adhesive layer; the thermosetting adhesive layer and the base film material are stacked; and the information sampling structure (1) is arranged on the thermosetting adhesive layer.
Resumen de: WO2025182466A1
The present invention provides a battery deterioration determination support device which is small in size, low in power consumption, and capable of greatly shortening a measurement time. This method supports a deterioration determination by using an electronic circuit to acquire an internal characteristic of an electrical energy supply medium. The method includes: acquiring the internal characteristics of a battery in advance; selecting two or more frequencies required to determine that the battery is satisfactory or unsatisfactory; storing the selected frequencies; performing discharge control based on the selected frequencies; acquiring voltage data and current data by using voltage measurement means and current measurement means; calculating correction voltage data by performing correction processing on the voltage data; calculating resistance data from the correction voltage data and the current data; calculating at least a portion of Cole-Cole plot data from the resistance data; and performing fitting processing by using at least a portion of the Cole-Cole plot data as necessary.
Resumen de: WO2025182935A1
The purpose of the present invention is to suppress deterioration of a sulfide solid electrolyte containing a lithium (Li) element, a phosphorus (P) element, a sulfur (S) element, and a halogen (X) element, and a battery using the same. The sulfide solid electrolyte contains a lithium (Li) element, a phosphorus (P) element, a sulfur (S) element, and a halogen (X) element. The sulfide solid electrolyte has a peak in a range of 2θ = 20.66° ± 1.00° in an X-ray diffraction pattern measured by an X-ray diffraction device using CuKα 1 rays. In surface analysis by X-ray photoelectron spectroscopy, the peak top position of the spectrum of the P2p orbit is preferably 132.5 eV or more.
Resumen de: WO2025182933A1
An electricity storage module (10) comprises: at least one electricity storage device (20); a case (40) in which the at least one electricity storage device (20) is housed; a coolant (50) into which the at least one electricity storage device (20) is immersed inside the case (40); and an exhaust mechanism (60) that is disposed inside of the coolant (50) and cools and collects the coolant (50) contained in gas exhausted from the case (40). The exhaust mechanism (60) has: a cooling/collection section (61) that is disposed on the bottom surface of the case (40) and cools and collects the coolant (50) contained in the gas; an inlet pipe (62) that connects the cooling collection section (61) and an upper part inside the case (40); and an outlet pipe (63) that connects the cooling/collection section (61) and the outside of the case (40).
Resumen de: WO2025182932A1
An electric power storage module (10) is provided with: at least one electric power storage device (20); a case (40) in which said at least one electric power storage device (20) is accommodated; a cooling liquid (50) for immersing therein said at least one electric power storage device (20) inside the case (40); and a recovery mechanism (60) for recovering the cooling liquid (50) contained in gas discharged from the case (40). The recovery mechanism (60) has: an exhaust pipe (61) through which gas is discharged; and a filter (62) that is provided to the exhaust pipe (61) and collects the cooling liquid (50) contained in the gas.
Resumen de: WO2025182925A1
The present invention addresses the problem of providing a method for producing lithium sulfide capable of increasing the degree of freedom in designing a stirring device for a lithium raw material and efficiently delivering a sulfur-containing gas to the entire lithium raw material. In the method for producing lithium sulfide according to the present invention, a solid lithium raw material is stirred by a rotatable stirring device while blowing a sulfur-containing gas through a gas blow-out port provided in the stirring device and bringing the gas into contact with the lithium raw material to produce lithium sulfide. The lithium raw material is preferably stirred by the stirring device in a state in which a certain amount of the lithium raw material is charged into a reaction container. It is also preferable to stir the lithium raw material by the stirring device while conveying the lithium raw material in one direction.
Resumen de: WO2025182675A1
A first voltage detection device (300) is provided with a first holding body (310) and a plurality of first voltage detection lines (330) held by the first holding body (310). A portion, of the first holding body (310), overlapping the plurality of first voltage detection lines (330) that are bundled together has a heat resistance that is higher than the heat resistance of at least another portion of the first holding body (310) different from said portion.
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: WO2025183508A1
The present invention relates to a battery assembly and, more specifically, to a battery assembly including rechargeable batteries capable of charging/discharging. A battery assembly according to an embodiment of the present invention includes: a plurality of rechargeable batteries; and a housing accommodating the plurality of rechargeable batteries. Each of the rechargeable batteries includes: an electrode assembly; an accommodation unit which accommodates the electrode assembly; an exterior cladding having an exterior cladding opening which communicates the inner space of the accommodation unit with the outside; and a cover member covering the exterior cladding opening, wherein parts of the exterior cladding overlap each other to form an exterior cladding overlapping part, and the exterior cladding overlapping part may be in close contact between the accommodation unit and the housing or between the accommodation unit and a neighboring rechargeable battery.
Resumen de: WO2025183491A1
The electrode for a secondary battery according to an embodiment of the present disclosure includes: an electrode current collector; electrode mixture layers on both surfaces of the electrode current collector; and insulating layers on both surfaces of the electrode current collector, wherein the electrode for a secondary battery has an α value of 0 to 1 according to Equation 1 below. Equation 1 In Equation 1 above, α is a foil curl parameter, TAis the thickness value in micrometers (μm) of the insulating layer on one surface of the current collector, TB is the thickness value in micrometers (μm) of the insulating layer on the other surface of the current collector, and W is the width value in millimeters (mm) of the insulating layer. According to an embodiment of the present disclosure, it is possible to alleviate problems caused by foil curl in an electrode for a secondary battery.
Resumen de: WO2025183483A1
The present invention comprises: a current collector delamination step for separating a current collector from a negative electrode active material layer by treating, with an organic solvent, a negative electrode determined to be defective during a battery manufacturing process; and a drying step for removing the remaining aqueous solvent by performing heat treatment on the negative electrode active material layer separated from the current collector, and thus can effectively recycle electrode material determined as waste during the battery manufacturing process.
Nº publicación: WO2025183503A1 04/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2025183503A1
The present invention provides an electrode assembly manufacturing device comprising: an unwinder (200) for unwinding an electrode sheet (50); an electrode sheet curl-reducing roller (100) which is in contact with the electrode sheet (50) and reduces curl which can form on one side of the electrode sheet (50) in the thickness direction; a winding core (300) for winding the electrode sheet (50), the end of which is fixed, by rotating; a transfer unit (400) for inserting the electrode sheet (50) into the winding core (300); and a cutter (500) cutting the electrode sheet (50) inserted into the winding core (300).
BOPI
Sede Electrónica
