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1197
resultados
Última actualización
19/08/2025 [07:13:00]
Resultados 350 a 375 de 1197
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: WO2025167014A1
A heat exchange assembly, a battery and an electrical device. The heat exchange assembly is configured to exchange heat with battery cells, comprising a plurality of heat exchange tubes. Each heat exchange tube has two ends; when one of the two ends is used for liquid intake, the other end is used for liquid output. A converging position is formed locally on at least one side of the periphery of the heat exchange assembly, and at least one end of each heat exchange tube extends to the converging position.
Resumen de: WO2025167011A1
A battery (200) and an electrical apparatus (1000). The battery (200) comprises a box body assembly (1010), a battery cell (100), and a heat exchange assembly (1020). The box body assembly (1010) comprises a box body (101) and an expansion beam (105), the expansion beam (105) being disposed in the box body (101), and the battery cell (100) being disposed in the box body (101) and abutting against the expansion beam (105). The heat exchange assembly (1020) comprises a first heat exchange member (102), the first heat exchange member (102) being disposed in the box body (101) and located between the battery cell (100) and the box body (101). The first heat exchange member (102) is used for heat exchange with the battery cell (100), and the first heat exchange member (102) and the expansion beam (105) are disposed spaced apart, so as to cause the first heat exchange member (102) and the expansion beam (105) to be thermally insulated from each other.
Resumen de: WO2025167007A1
The present application relates to a composite thermal insulation pad, a battery and an electric device. The composite thermal insulation pad comprises a composite phase-change layer, which comprises a phase-change material layer and a packaging layer, wherein the packaging layer is arranged on the outer peripheral side of the phase-change material layer, and the phase-change material layer comprises a thermal insulation substrate and a phase-change material, at least part of the phase-change material filling the thermal insulating substrate. The composite phase-change layer exhibits a strain of 8%-20% when being subjected to a stress of 0.5-5 MPa. The composite thermal insulation pad has good service life and thermal insulation performance, is applied to a battery and has a good effect of slowing down thermal runaway of the battery.
Resumen de: WO2025167009A1
Disclosed in the present application are a battery cell winding mandrel device and a battery cell winding apparatus. The battery cell winding mandrel device comprises: a mounting base (10); an assembly housing (20), which is provided with a first end (21) and a second end (22), the first end (21) being fixedly mounted on the mounting base (10), and the second end (22) being a free end; at least one transmission assembly (30) mounted on the assembly housing (20), each transmission assembly (30) comprising a plurality of transmission components (31), the plurality of transmission components (31) being arranged around the axis of the assembly housing (20); and a plurality of suction shells (40) connected to the corresponding transmission components (31) on a one-to-one basis, the plurality of suction shells (40) being combined to form a cylindrical structure, and the transmission components (31) driving the suction shells (40) to move in the direction perpendicular to the axis of the assembly housing (20), thus expanding or reducing the outer diameter of the cylindrical structure. The application of the present technical solution aims to solve the problem of the difficulty in unloading a bare battery cell from a battery cell winding mandrel device.
Resumen de: WO2025167013A1
A battery pack, an energy storage system and an electric device. In the battery pack, a heating assembly (20) is provided between two adjacent columns of battery cells (10), a heating portion (202) and a buffer portion (201) are stacked in a first direction, the heating portion (202) is adapted to heat the battery cells (10) and the buffer portion (201), and the buffer portion (201) is adapted to shrink under pressure and expand under heat so as to flexibly deform, and the heating assembly (20) fits with the battery cells (10).
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.
Resumen de: WO2025167012A1
A battery (100) and an electrical device (1000). The battery (100) comprises a case assembly (20), a first heat exchange assembly (30), a battery cell assembly (101), and a first insulating member (71), wherein the case assembly (20) comprises a case (21); the first heat exchange assembly (30) comprises a first heat exchange member (31), the first heat exchange member (31) being fixed to a bottom wall (211) of the case (21); the battery cell assembly (101) is arranged in the case assembly (20), and the side of the battery cell assembly (101) that faces the bottom wall (211) of the case (21) is bonded to the bottom wall (211) of the case (21) and the first heat exchange member (31) by means of a first bonding layer (34); and the first insulating member (71) is at least partially arranged between the battery cell assembly (101) and the side of the first heat exchange member (31) that faces away from the bottom wall (211) of the case (21), the first bonding layer (34) covering the first insulating member (71). While achieving insulation between the battery cell assembly (101) and the first heat exchange member (31), the technical solution does not affect the continuous fitting arrangement between the first bonding layer (34) and the battery cell assembly (101), such that the reliability of the connection fit can be improved, enhancing the overall structural strength of the battery (100), and thus improving the reliability of the battery (100).
Resumen de: WO2025167004A1
The present application relates to a composite thermal insulation pad, a battery, and an electric device. The composite thermal insulation pad comprises: a composite phase-change layer, comprising a phase-change material layer and an encapsulation layer, the encapsulation layer being arranged on the outer peripheral side of the phase-change material layer; and an outer thermal insulation layer, arranged on at least one side of the outer peripheral side of the encapsulation layer. The composite thermal insulation pad exhibits good thermal insulation performance; and when applied in batteries, the composite thermal insulation pad has a good effect in retarding thermal runaway of the batteries.
Resumen de: WO2025167003A1
The present application relates to a thermal insulation pad, a battery and an electric device. The thermal insulation pad comprises a thermal insulation pad body and a strain detection member, wherein the strain detection member is arranged in the thermal insulation pad body. The thermal insulation pad is applied to a battery, and has the effect of slowing down thermal runaway of the battery, and by means of the strain detection member arranged in the thermal insulation pad, the state of the battery during use can be accurately obtained.
Resumen de: WO2025167015A1
A battery (1) and an electric device. The battery (1) comprises: a case body (200); battery cells (102), which are provided in the case body (200); a first heat exchange member (100), which is fitted to the outside of the case body (200); and a fixing member (25), which is provided on the case body (200), wherein the fixing member (25) is arranged close to at least one edge (100d) of the first heat exchange member (100), and is fastened and connected to the first heat exchange member (100) and the case body (200).
Resumen de: WO2025169502A1
Problem The present invention provides a battery pack that detects individual deterioration of battery cells and switches the use of the battery cells in accordance with the deterioration. Solution The present invention pertains to a battery pack 1 that comprises: a series circuit 2 in which a plurality of unit modules EM having battery cells Ce are connected in series; a detection device 3 that detects the deterioration state of each of the battery cells Ce; and a control device 4 that controls the series circuit 2. Each of the unit modules EM includes: a first terminal T1 and a second terminal T2; and a switching circuit SW for switching connection states including a joined state and a withdrawal state. The detection device 3 includes: a parameter detection unit 31 for detecting a parameter value PV of a parameter related to the state of each of the battery cells Ce; and a state estimation unit 33 for estimating the deterioration state of the battery cell Ce for each of the unit modules EM on the basis of the parameter value PV. The control device 4 controls switching of the connection states by each of the switching circuits SW, on the basis of estimation information for each of the unit modules EM estimated by the state estimation unit 33.
Resumen de: WO2025169424A1
A secondary battery comprising: a positive electrode containing a quinone-based organic compound of the following formula; a negative electrode containing lithium or a lithium compound; and an electrolyte which is disposed between the positive electrode and the negative electrode and contains lithium ions and dimethyl sulfoxide. The secondary battery does not use fluorine and a fluorine compound. (In the formula, R1 to R8 each represent a hydrogen atom, a hydroxy group, or a methoxy group.)
Resumen de: WO2025169422A1
Disclosed is a secondary battery which is provided with: a positive electrode 101 that contains triquinoxalinylene; a negative electrode 103 that contains lithium or a lithium compound; and an electrolyte solution 102 that is disposed between the positive electrode 101 and the negative electrode 103, and contains lithium ions and dimethyl sulfoxide. This secondary battery uses neither fluorine nor a fluorine compound.
Resumen de: WO2025169241A1
Provided is a portable battery charging system including a stackable battery charging device (100) that comprises an energy storage matrix (102), a set of sensors (104), a plurality of retractable photovoltaic energy conversion surfaces (106), an energy exchange unit (108), and a processing unit (110) The energy storage matrix (102) comprises a multiplicity of modular charging units (120), an enclosure configured to support stacking and nesting of similar modular charging units in a vertical or horizontal arrangement, and a first conductive port (122) and a second conductive port (124) attached with each of the modular charging units (120) configured to establish electrical and communication connections with adjacent modular charging units. The processing unit (110) is configured to charge the energy storage matrix (102), monitor and regulate the charging and discharging process of the connected modular charging units (120), and communicate with remote server.
Resumen de: WO2025167006A1
The present invention relates to a battery and an electrical apparatus. The battery comprises a battery cell, and a composite heat insulation pad disposed on at least one side of the battery cell; the composite heat insulation pad comprises a first heat insulation layer, a composite phase change layer, and a second heat insulation layer which are arranged in a stacked manner, the composite phase change layer comprising a phase change material layer, and a packaging layer disposed surrounding the phase change material layer; the thickness of the composite phase change layer is 1 mm to 4 mm, and the thicknesses of each of the first heat insulation layer and the second heat insulation layer are independently 1 mm to 3 mm. Due to the stacked arrangement structure and thickness optimization of the first heat insulation layer, the composite phase change layer and the second heat insulation layer of the composite heat insulation pad, a better heat insulation effect is obtained, and the battery applying said composite heat insulation pad has good resistance to thermal runaway.
Resumen de: WO2025167005A1
The present application relates to a composite thermal insulation pad, a battery and an electric device. The composite thermal insulation pad comprises a composite phase-change layer, which comprises a phase-change material layer and a packaging layer, wherein the packaging layer is disposed on the outer peripheral side of the phase-change material layer, and a weak portion is provided on a region of the packaging layer where a packaging cavity is formed. The composite thermal insulation pad has good thermal insulation performance, is applied to a battery and has a good effect of slowing down thermal runaway of the battery.
Resumen de: WO2025166870A1
A solid electrolyte and a preparation method therefor, a separator coating slurry and a separator, and a battery and an electrical apparatus, belonging to the field of batteries. The solid electrolyte is: Li1+xAlxTi2-x(PO4)3, where 0.01≤x≤0.5; the moisture content of the solid electrolyte is <500 ppm; the ionic conductivity of the solid electrolyte is >0.5 mS/cm; and the particle size of the solid electrolyte is in the range of 0.1-2 um. The present solid electrolyte can effectively reduce moisture of a solid electrolyte coating prepared from separator coating slurry, and can effectively reduce alternating current impedance, improving battery safety, and battery capacity retention rate at normal temperatures and low temperatures.
Resumen de: WO2025166895A1
A heat exchange tube (10), a battery (1000), and an electrical device. The heat exchange tube (10) comprises a plurality of straight heat exchange sections (11) and at least one bent section (12), wherein the plurality of straight heat exchange sections (11) are arranged spaced apart from each other, and the at least one bent section (12) sequentially connects and communicates the plurality of straight heat exchange sections (11), a first reinforcing member (20) being provided in the at least one bent section (12).
Resumen de: WO2025169335A1
A surface treated steel sheet according to one embodiment of the present invention comprises: a base steel sheet; a Ni-containing layer disposed on the surface of the base steel sheet; and a Ni-W alloy layer disposed on the surface of the Ni-containing layer, wherein the Ni-containing layer has an Fe diffusion alloy layer and the Ni-W alloy layer is porous. A method for producing a surface treated steel sheet according to another embodiment of the present invention comprises: a step for performing Ni electroplating on a base steel sheet; a step for pickling the base steel sheet having the Ni plating layer; a step for performing Ni-W alloy electroplating on the base steel sheet having the Ni plating layer; and a step for annealing the base steel sheet having the Ni plating layer and the Ni-W alloy layer disposed thereon, wherein a 70-100 g/L sulfuric acid bath serves as a pickling bath during the pickling, the time for which the base steel sheet having the Ni plating layer is immersed in the bath during the pickling is 25-35 seconds, the annealing temperature during the annealing is 630-860 °C, and the annealing time during the annealing is 10-180 seconds.
Resumen de: WO2025168862A1
The present invention belongs to the field of recovering lithium salts from used batteries, and more specifically, to a method for recovering the degradation products from a liquid electrolyte formed by at least one lithium salt from the black mass of used lithium batteries. The method comprises the steps of hydrolysis, filtering, evaporating, and optionally, thermal processing and subsequent selective dissolution, to thus obtain lithium salts from the electrolyte recovered from the used lithium battery. This method is capable of recovering lithium salts in a simple manner, and without the use of high temperatures or chemical reagents.
Resumen de: WO2025168995A1
The disclosure relates to a system (100) for removing heat from a battery pack (102). The system (100) includes a cooling jacket (104) defining a flow path corresponding to an arrangement of battery cells in the battery pack (102), and a ferrofluid coolant configured to flow within the cooling jacket (104) along the flow path. The system (100) further includes a plurality of temperature sensors (106), each positioned in a region associated with a set of cells of the battery pack (102), and configured to detect a temperature of the region. The system (100) further includes a plurality of electromagnets (108), each associated with a temperature sensor, and configured to be activated based on a temperature detected by the associated temperature sensor. Activation of an electromagnet causes movement of the ferrofluid coolant towards the region in which the associated temperature sensor is positioned.
Nº publicación: EP4599939A2 13/08/2025
Solicitante:
LAREN SRL [IT]
LAREN SRL
Resumen de: EP4599939A2
A device (1) configured to implement a method for discharging the electric charge of batteries, cells and/or rechargeable batteries, comprising:- an inactivation chamber (2) of the batteries, cells and/or rechargeable batteries to be discharged introduced through an inlet path (21); the inactivation chamber (2) being delimited by one or more walls (22) and by a bottom (23);- an outlet path (25) of the discharged batteries, cells and/or rechargeable batteries defined in the inactivation chamber (2);- at least one inductive winding (3) configured to be powered by an electric current arranged externally to the walls (22) and wound around a winding axis (A), the winding axis (A) being preferably orthogonal to the bottom (23);the at least one inductive winding (3) being adapted to heat by induction the walls (22) of the inactivation chamber (2);the walls (22) being made of a material adapted to transmit heat so that the walls (22) heated by induction are adapted to heat by radiation the batteries, cells and/or rechargeable batteries arranged inside the inactivation chamber (2). The device comprises:- inerting means configured to introduce one or more inert gases into the inactivation chamber (2) so as to eliminate the oxygen and the humidity present inside the inactivation chamber (2);- a tank (7) of the discharged batteries, cells and/or rechargeable batteries received from the inactivation chamber (2) through the outlet path (25); the tank (7) and the inactivation chamber (2) be
BOPI
Sede Electrónica
