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1197
resultados
Última actualización
17/08/2025 [07:30:00]
Resultados 275 a 300 de 1197
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: WO2025167155A1
A battery cell (6), a battery (2), and an electrical device. The battery cell (6) comprises an electrode assembly (10), a casing (20), a pressure relief mechanism (40), and a protective member (50). The electrode assembly (10) is accommodated in the casing (20). The casing (20) comprises a wall portion. The pressure relief mechanism (40) is arranged on the wall portion. In the thickness direction of the wall portion, at least part of the protective member (50) is provided between the pressure relief mechanism (40) and the electrode assembly (10). When a high-temperature substance outside the battery cell (6) acts on the pressure relief mechanism (40) and melts through the pressure relief mechanism (40), the protective member (50) can bear the thermal shock of the high-temperature substance and separate at least part of the high-temperature substance from the electrode assembly (10), so that the risk of conduction of a positive electrode and a negative electrode of the electrode assembly (10) by the high-temperature substance is reduced, thereby improving the reliability of the battery cell (6).
Resumen de: WO2025166903A1
A battery and an electrical device, which belong to the technical field of batteries. The battery comprises a case assembly, a battery cell assembly and a heat exchange assembly, wherein the case assembly comprises a case and a first expansion beam arranged in the case, the space in the case being divided into a first space and a second space by means of the first expansion beam; the battery cell assembly is arranged in the case and located in the first space, the end of the battery cell assembly abutting against the first expansion beam; and the heat exchange assembly is arranged on the case assembly and comprises a heat exchange member, a current collector and an adapter, the heat exchange member and the battery cell assembly being arranged to allow heat exchange, the heat exchange member being in communication with the current collector, and the adapter being in communication with the current collector. A clearance space is formed between the first expansion beam and the case or on the first expansion beam; the current collector and the adapter are both arranged in the case, and at least one of the current collector and the adapter is at least partially located in the clearance space.
Resumen de: WO2025166899A1
The present application discloses a battery (1000), and an electrical apparatus having same. The battery (1000) comprises: a battery assembly (200), the battery assembly (200) comprising a battery unit (201), and the battery unit (201) comprising multiple battery cells (2011) stacked along a first direction; a heat exchange member (100), disposed at one side of the battery assembly (200) in a second direction, the first direction intersecting with the second direction. The heat exchange member (100) comprises a heat exchange tube, the heat exchange tube having a heat exchange flow channel, and the heat exchange flow channel being bent and extending on a surface of one side of the battery assembly (200) in the second direction, a wall surface of the battery cell (2011) fitting with the heat exchange tube being a projection surface, and an area of an orthographic projection of the heat exchange tube onto the wall surface being greater than or equal to 15% of the area of the wall surface.
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: WO2025166898A1
A battery (1000), and an electrical apparatus having same. The battery (1000) comprises: a battery assembly (200), comprising a battery unit (201), the battery unit (201) comprising multiple battery cells (2011) stacked along a first direction; and a heat exchange member (100), comprising a heat exchange tube, the heat exchange tube having a heat exchange flow channel, and the heat exchange flow channel comprising multiple flow channel portions connected in a bent manner. Each battery unit (201) is at least attached to two flow channel portions, so as to perform heat exchange.
Resumen de: WO2025166894A1
A battery (100) and an electrical device (1000). The battery (100) comprises: a case assembly (20), which comprises a case (21), the case (21) being an integrally stamped part having a bottom wall (211) and a surrounding wall (212); and a battery cell assembly (101), which is arranged in the case assembly (20) and is fixedly connected to the bottom wall (211) of the case (21); and a first heat exchange assembly (30), which is arranged in the case assembly (20) and exchanges heat with the battery cell assembly (101). The sealing effect and structural strength of the case (21) can be improved, thus improving the reliability of the battery (100); in addition, the cost can be reduced, and the production efficiency can be improved.
Resumen de: WO2025166893A1
A battery (1) and an electric device. The battery (1) comprises: a case (200) having an accommodating cavity (21); and a first heat exchange member (100) attached to the outer side of the wall of the case (200) away from the accommodating cavity (21) and used for exchanging heat with battery cells (102).
Resumen de: WO2025166896A1
A heat exchange member (100), a battery (1000) and an electrical device. The heat exchange member (100) comprises a first heat exchange flow channel (10), the first heat exchange flow channel (10) comprising a first heat exchange section (11) and a second heat exchange section (12), wherein the second heat exchange section (12) is bent to form a U-shaped area (120), and the first heat exchange section (11) is bent and arranged in the U-shaped area (120) and is connected to the second heat exchange section (12) by bending.
Resumen de: WO2025166902A1
A battery and an electrical apparatus, relating to the technical field of batteries. The battery comprises a case assembly, a battery cell assembly, and a heat exchange assembly; the case assembly comprises a case; the battery cell assembly is arranged in the case and comprises a plurality of battery cells; the heat exchange assembly comprises a heat exchange member, adapters, and connecting pipes; the heat exchange member is arranged outside the case and defines a first flow channel; the adapters are arranged in the case and define a second flow channel; the connecting pipes pass through the case and are communicated with the first flow channel and the second flow channel.
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.
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.
Resumen de: WO2025169629A1
A power storage module manufacturing method according to the present invention includes: a first step (S3) for adjusting the position of a module body with respect to a first guide so that the position of an opening portion in the module body matches a reference position member provided on a position adjustment device; and a second step (S4) for positioning, after the first step (S3), the module body on a second guide within a chamber by using a manufacturing device including the second guide. The manufacturing device has a sealing device for providing a sealing member in the opening portion. A positional relationship between the second guide and the sealing device is the same as a positional relationship of the reference position member with respect to the first guide.
Resumen de: WO2025166897A1
A battery (1000) and an electrical device. The battery (1000) comprises a box body (300), a battery cell (201), and a heat exchange member (100). The box body (300) comprises a box main body (301), the box main body (301) having an accommodating cavity (3011), and a groove (3014) being formed in a wall body of the box main body (301). The battery cell (201) is disposed in the accommodating cavity (3011). The heat exchange member (100) is at least partially embedded in the groove (3014) and attached to the wall body, and is used for heat exchange with the battery cell (201).
Resumen de: WO2025166880A1
A busbar (11), a busbar assembly (10) and a battery module. The busbar (11) comprises: at least two battery cell connecting main bodies, wherein the at least two battery cell connecting main bodies are spaced apart, and the battery cell connecting main bodies are configured to be connected to poles of battery cells; and a terminal connecting main body (113) arranged between two adjacent battery cell connecting main bodies and connected to the two corresponding battery cell connecting main bodies, wherein an accommodating groove (11b) is formed in one battery cell connecting main body, and the accommodating groove (11b) is configured to accommodate and mount a temperature sensor.
Resumen de: WO2025167050A1
The present disclosure discloses a battery cell winding system and method. The battery cell winding system comprises an upper-level computer, a control device, and a barcode scanner. The control device is configured to: upon determining that a battery cell has been delivered to a barcode scanning position of the barcode scanner, send a barcode scanning trigger signal to the upper-level computer. The upper-level computer is configured to: upon receiving the barcode scanning trigger signal from the control device, instruct the barcode scanner to scan a barcode of the battery cell; perform verification processing on the barcode to obtain a first verification result; and when the first verification result indicates successful verification, acquire related data of the battery cell from the control device and storing said data. The verification processing comprises duplicate-code verification to compare the barcode with a previously obtained barcode.
Resumen de: WO2025167103A1
The present application provides a sodium secondary battery, a positive electrode sheet, a sodium supplement additive, and an electric device. The sodium secondary battery of the present application comprises a sodium supplement additive, and the sodium supplement additive has a molecular formula of NawBxDyOz, wherein B comprises at least one of P, Sb, Ge, Ti, Sn, As, and Si, D comprises at least one of S, Se, and Cl, w is greater than 0 and less than or equal to 15, x is greater than 0 and less than or equal to 5, y is greater than 0 and less than or equal to 15, and z is greater than or equal to 0 and less than or equal to 5. The sodium secondary battery of the present application has good mass energy density and cycle performance.
Resumen de: WO2025167089A1
A negative electrode current collector, a battery cell, a battery, and an electrical apparatus. The negative electrode current collector comprises a negative electrode substrate and a modification layer located on at least one side of the negative electrode substrate, the modification layer comprising an active reaction layer, and a layered material layer located between the active reaction layer and the negative electrode substrate. The battery has good cycle performance.
Resumen de: WO2025169559A1
Provided is a heat transfer suppression sheet having desired strength and heat insulation properties and capable of flexibly adapting to various designs such as size and heat insulation properties. A heat transfer suppression sheet (50) is formed by coupling a plurality of pieces of heat insulation material (10) containing inorganic particles. The heat insulation material (10) has a pair of main surfaces (10a, 10b), and a connection surface (10c) that connects the pair of main surfaces (10a, 10b). The connection surfaces (10c) of the plurality of pieces of heat insulation material (10) are disposed facing each other, and a coupling surface (61) for coupling the pieces of heat insulation material (10) together is formed. In a cross-sectional view orthogonal to the pair of main surfaces (10a, 10b) and parallel to a direction in which the pieces of the heat insulation material (10) are adjacent to each other, the length of the coupling surface (61) is longer than the thickness of the heat insulation material (10) in a region in which the coupling surface (61) is formed.
Resumen de: WO2025169556A1
This non-aqueous electrolyte secondary battery (1) includes: a positive electrode (10) that includes a lithium manganese oxide (LMO) as a positive electrode active material; a negative electrode (20) that includes lithium (Li) and SiOX (0 ≤ X < 2) as a negative electrode active material; and an electrolyte (50) that includes an organic solvent and a supporting salt. The capacity balance {negative electrode capacity (mAh)/positive electrode capacity (mAh)}, expressed on the basis of the capacity of the negative electrode and the capacity of the positive electrode, is in the range 1.56-2.51. The molar ratio (Li/SiOX) of the lithium (Li) and the SiOX (0 ≤ X < 2) of the negative electrode active material is in the range 3.8-4.9. The molar ratio (Li/LMO) of the lithium (Li) and the lithium manganese oxide (LMO) is 8.0 or less.
Resumen de: WO2025169722A1
In order to diagnose the degree of deterioration of a secondary battery (2), a device (1) comprising a sensor unit (11) including a voltage sensor (15), and a control device (10) having a mathematical model storage unit, a history data storage unit, and a computation function, is electrically connected to the secondary battery (2). Numerical data reflecting a measurement value of internal resistance is stored in the history data storage unit in association with the time axis. A mathematical model, which is defined so as to derive a parameter having a value that varies according to the numerical data at each of a plurality of time points in a predetermined period on the time axis, and the length of said period, is saved in the mathematical model storage unit. The control device (10) derives the parameter by computation in which numerical data accumulated within a period from a specific time point in the past to the most recent time point is applied to the mathematical model, and estimates the degree of deterioration of the secondary battery (2) on the basis of the parameter.
Nº publicación: WO2025167064A1 14/08/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025167064A1
Provided are a positive electrode sheet, a solid-state battery, an electric device and a preparation method. The positive electrode sheet comprises a positive electrode current collector and an active film layer located on at least one side of the positive electrode current collector, wherein the active film layer comprises a positive electrode active region and a filling region located on at least part of the periphery of the positive electrode active region. The positive electrode active region comprises positive electrode active particles and a sulfide solid electrolyte, and the filling region comprises a positive electrode stabilizer. The positive electrode sheet has significantly improved air stability, and can also significantly inhibit the escape of hydrogen sulfide gas.
BOPI
Sede Electrónica
