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1149
resultados
Última actualización
06/12/2025 [07:30:00]
Resultados 75 a 100 de 1149
Resumen de: WO2025246671A1
An energy storage system. The energy storage system comprises an energy storage device; and the energy storage device comprises a first battery case, a second battery case and a connector, wherein the first battery case comprises a first battery pack; the second battery case and the first battery case are arranged in a stacked manner, and the second battery case comprises a second battery pack; and the connector comprises a first connector and a second connector, the first battery case and the second battery case are provided with the first connector, and the first battery case is further provided with the second connector. One end of the first connector of the first battery case is electrically connected to other devices; the other end of the first connector of the first battery case is electrically connected to one of positive and negative electrodes of the first battery pack; the other of the positive and negative electrodes of the first battery pack is electrically connected to one end of the second connector of the first battery case; the other end of the second connector of the first battery case is electrically connected to one end of the first connector of the second battery case; and the other end of the first connector of the second battery case is electrically connected to positive and negative electrodes of the second battery pack.
Resumen de: WO2025246021A1
A battery assembly (10), a battery (100) and an electric device. The battery assembly (10) comprises a plurality of battery cells (11), at least one signal sampling member (12), a first busbar (13) and second insulation members (15), wherein each of the battery cells (11) comprises a first insulation member (111), all the first insulation members (111) being located on the same sides of the plurality of battery cells (11), and the first insulation members (111) being disposed on outer surfaces of the battery cells (11) and being provided with hollowed-out regions (1111); the signal sampling member (12) passes through the hollowed-out region (1111) to connect to the battery cell (11); the first busbar (13) is disposed on the sides of the plurality of battery cells (11) where the first insulation members (111) are provided, the first busbar (13) is electrically connected to two different battery cells (11), and the first busbar (13) spans M battery cells (11), where M is greater than or equal to zero; and the hollowed-out regions (1111) through which no signal sampling members (12) pass are shielded by the second insulation members (15), such that the first busbar (13) is insulated from the battery cells (11) at the positions of the hollowed-out regions (1111), thereby reducing the short-circuit problem caused by the overlapping of the first busbar (13) with the battery cells (11) in the hollowed-out regions (1111), and improving the safety performance.
Resumen de: WO2025246205A1
The present invention provides a method for recovering lithium and iron phosphate from waste lithium iron phosphate. The method comprises: providing a crude lithium iron phosphate residue; formulating the crude lithium iron phosphate residue into a slurry, and introducing Cl2 gas into the slurry, while adding FeCl3 as a catalyst, to carry out a catalytic oxidation lithium extraction reaction; filtering the reacted slurry to obtain a lithium-containing filtrate and a crude iron phosphate filter residue; crystallizing lithium chloride from the lithium-containing filtrate to obtain purified lithium chloride; subjecting the crude iron phosphate filter residue to acid leaching, followed by filtration to obtain an iron phosphate precursor; and calcining the iron phosphate precursor to obtain iron phosphate. The method of the present invention enables full-element recovery of lithium iron phosphate from waste lithium iron phosphate, and can improve the energy utilization rate.
Resumen de: WO2025246240A1
Provided in the present disclosure are a phosphate positive electrode material and the use thereof. The phosphate positive electrode material comprises an inner core and a plurality of linear structures connected to the surface of the inner core, wherein the linear structures are made of lithium manganese iron phosphate. The phosphate positive electrode material can reduce the interfacial diffusion impedance, improve the solid-phase diffusion coefficient of ions, increase the energy density of a positive electrode sheet, and improve the electrochemical performance of a battery.
Resumen de: WO2025246772A1
A lithium battery operating data feature map extraction method, and an apparatus, a medium and a product. The method comprises: acquiring operating data of a lithium battery of an energy storage system; applying a sliding window to select target operating data from among the operating data, so as to obtain a plurality of target data groups; ranking a plurality of pieces of operating data in each target data group according to the sequence of preset index moments, so as to obtain an initial matrix; performing mean-variance normalization processing on each column of the initial matrix, so as to obtain a normalized matrix; calculating a covariance matrix of the normalized matrix; performing singular value decomposition on the covariance matrix, so as to obtain a feature vector matrix; on the basis of the feature vector matrix, calculating a dimension reduction matrix corresponding to each target data group; scaling the dimension reduction matrix to construct a three-dimensional feature map matrix; and converting the three-dimensional feature map matrix into an image, so as to obtain a feature image of the lithium battery. Thus, the comprehensiveness, universality and robustness of feature extraction can be improved.
Resumen de: WO2025246996A1
Disclosed in the present application are a battery pack and an electrical device. In the battery pack, first flow guide cavities are provided inside a first side wall, supports are provided inside an accommodation cavity of a box body, and second flow guide cavities are provided inside the supports; a protruding portion is provided on the first side wall, and a third flow guide cavity is provided inside the protruding portion, the third flow guide cavity being in communication with both the first flow guide cavities and the second flow guide cavities; battery cells are stacked with the supports, first through holes are formed in the support surfaces of the supports, and first explosion-proof valves are provided on the battery cells, the first explosion-proof valves being arranged opposite to the first through holes; second explosion-proof valves are provided on the first side wall.
Resumen de: WO2025246884A1
The present application relates to an electrode assembly and a secondary battery. A first electrode sheet comprises a first current collector and a first active material layer, the first current collector having a first surface facing a second electrode sheet, and the first active material layer being disposed on the first surface. The second electrode sheet comprises a second current collector and a second active material layer, the second current collector having a second surface facing the first active material layer, and the second active material layer being disposed on the second surface. The electrode assembly further comprises a first tab and a first adhesive layer. The first surface has a first bare foil region; the first bare foil region, the first active material layer, and a separator jointly enclose to form a first space; the first tab is partially disposed in the first space, the first adhesive layer is disposed on the surface of the first tab facing the first current collector so as to bond the first bare foil region to the first tab, and the other surface of the first tab is in contact with the separator. The electrode assembly and the secondary battery of the present application can reduce the risk of the separator being pierced, thereby making full use of space, and boosting energy density.
Resumen de: WO2025246965A1
The present disclosure relates to the technical field of coatings, and specifically discloses a coating, a battery, and an electricity-consumption device. A total heat release of the coating in a first temperature range and a second temperature range ranges from 30 J/mg to 60 J/mg. The first temperature range is from 120°C to 220°C. The second temperature range is from 220°C to 270°C.
Resumen de: WO2025246198A1
A battery (10), used for cell data acquisition. The battery (10) comprises a cell (20), a case (30), a positive terminal (21), a negative terminal (23), a top cover (40), a wireless BMS module (51), and an electrical connector; the cell (20) is arranged inside the case (30); the positive terminal (21) and the negative terminal (23) are both electrically connected to the cell (20); the top cover (40) is connected to the case (30); the positive terminal (21) and the negative terminal (23) are connected to the top cover (40); part of the positive terminal (21) and part of the negative terminal (23) are located outside the case (30); the potential of the top cover (40) is the same as that of the negative terminal (23); a negative electrode area of the wireless BMS module (51) is capable of being connected to the top cover (40) to implement signal connectivity; the electrical connector is connected to the positive terminal (21). Cell data acquisition can be implemented, the integration of the battery can be improved, the stability of cell data acquisition can be improved, and then the working efficiency of cell data acquisition can be improved.
Resumen de: WO2025246003A1
Disclosed is a setter plate for preparing a ceramic solid-state electrolyte film. The setter plate comprises a lithium-containing ceramic layer and a high-temperature-resistant ceramic layer. The lithium-containing ceramic layer and the high-temperature-resistant ceramic layer are tightly bonded together through sintering, and the setter plate has an essentially flat surface. Also disclosed are a method for preparing the setter plate and a method for preparing a planarized solid-state electrolyte film by using the setter plate. The present invention can improve the flatness and ionic conductivity of a solid-state electrolyte film when preparing the solid-state electrolyte film by using the setter plate, thereby obtaining a solid-state electrolyte film having a flat surface, dense structure, and high ionic conductivity.
Resumen de: WO2025246007A1
A feed-through member and a battery pack. The feed-through member is axially provided with a wiring through-hole for a wiring harness to pass through, and the wiring through-hole is sealed and filled with an adhesive. The feed-through member comprises a blocking part and a plug-in part. The blocking part is configured to be inserted into a feed-through hole of a casing of the battery pack. The blocking part protrudes on a first end of the plug-in part in the axial direction, and an end surface of the first end is provided with an adhesive-applied region arranged circumferentially around the blocking part. The adhesive-applied region is coated with an adhesive, so that the end surface of the first end is sealed and adhered to a wall plate of the casing having the feed-through hole. The battery pack comprises the feed-through member, the blocking part of the feed-through member being inserted into the feed-through hole of the casing of the battery pack, and the first end of the plug-in part being sealed and adhered to the wall plate of the casing having the feed-through hole by means of the adhesive in the adhesive-applied region, thereby achieving sealing installation of the feed-through member in the casing. Furthermore, the wiring through-hole is sealed and filled with an adhesive, thereby achieving sealed installation of the wiring harness in the feed-through member and improving the sealing performance and protection level of the battery pack.
Resumen de: WO2025246235A1
A silicon-based material, comprising: SiOx, wherein x is 0.5 to 1.6; and a carbon layer covering the surface of SiOx. The silicon-based material satisfies the following conditions: 0.2≤S1≤1.5, and/or 0.02≤ISi/ID≤0.5, wherein S1 refers to a standard deviation value of an ID/IG value of the carbon layer, the ID/IG value refers to the area ratio of a peak D to a peak G, and ISi/ID refers to the area ratio of a peak Si to the peak D.
Resumen de: WO2025246982A1
The present application discloses a wiring structure, a battery pack tray, a battery pack and a vehicle. The wiring structure comprises: a longitudinal beam, wherein the longitudinal beam is arranged on a battery pack tray in the front-back direction of a vehicle, a wiring cavity is formed in the longitudinal beam, the wiring cavity is arranged in the length direction of the longitudinal beam and used for laying wires, and two ends of the longitudinal beam in the length direction are used for allowing the wires to enter and exit the wiring cavity. In the present application, a profile having two communicated ends is used as the longitudinal beam, and the wiring cavity is arranged in the longitudinal beam and is used for laying the wires, so that the structural strength is higher, the extrusion resistance and the impact resistance are better, and the safety of a battery pack structure is significantly improved.
Resumen de: WO2025247001A1
A heating system for a battery pack and an electric apparatus. The heating system for the battery pack comprises a battery pack, an electric device, and a wire. The battery pack comprises a first battery cell group and a second battery cell group which are connected in series, the wire has a first end and a second end which are opposite, the first end of the wire is connected to a series-connected point between the first battery cell group and the second battery cell group, and the second end of the wire is connected to a neutral point of the electric device.
Resumen de: WO2025246966A1
A vehicle, comprising a power system, which comprises a battery pack, wherein the battery pack comprises a communication apparatus. A communication system, comprising a communication apparatus. The communication apparatus comprises a sampling device, a first power line carrier communication device, a first power line and a second power line, wherein the first power line is used for connecting to a positive electrode of a cell assembly, and the second power line is used for connecting to a negative electrode of the cell assembly; two ends of the sampling device are used for collecting sampling information corresponding to the cell assembly; and two ends of the first power line carrier communication device are respectively connected to the first power line and the second power line, and the first power line carrier communication device is connected to the sampling device, and is used for transmitting the sampling information corresponding to the cell assembly.
Resumen de: WO2025246776A1
Disclosed are a battery pack and an electric device. In the battery pack, a first flow guide cavity is provided inside a side wall; a third explosion-proof valve is provided on a case; a first tray is provided inside the case, and a second flow guide cavity is provided inside the first tray; a first battery module is arranged on the first tray, and a first explosion-proof valve is provided at the end of first battery cells facing the first tray; a second tray is provided on the side of the first battery module facing away from the first tray, and a third flow guide cavity is provided inside the second tray; and a second battery module is arranged on the second tray, and a second explosion-proof valve is provided at the end of second battery cells facing the second tray.
Resumen de: WO2025246043A1
A battery pack frame and a battery pack. The battery pack frame comprises a front frame (11), a first connecting frame (12), a rear frame (13) and a second connecting frame (14), which are sequentially connected end to end, wherein the first connecting frame (12) and the second connecting frame (14) are configured to be fixedly connected to an external assembly; both the front frame (11) and the rear frame (13) are of an integrally stamping-formed structure; and both the first connecting frame (12) and the second connecting frame (14) are of an integrally rolling-formed structure.
Resumen de: WO2025246160A1
The present invention relates to the technical field of energy storage systems. Disclosed is a loop-type thermal control and management system for an energy storage system. The loop-type thermal control and management system comprises a plurality of energy storage battery packs, a condensation tank, a gas-phase pipeline and a liquid-phase pipeline, wherein a condenser is provided in the condensation tank; a gas extraction apparatus is connected to the condensation tank; the liquid-phase pipeline is in communication with the condensation tank and the plurality of energy storage battery packs; the gas-phase pipeline is in communication with the condensation tank and the plurality of energy storage battery packs; the plurality of energy storage battery packs, the liquid-phase pipeline, the gas-phase pipeline and the condensation tank are in communication with one another to form a closed loop; and a liquid-phase circulation working medium in the condensation tank passes through the liquid-phase pipeline and enters the plurality of energy storage battery packs, where battery cells serve as evaporators, a gas-phase circulation working medium in the energy storage battery packs enters the condensation tank through the gas-phase pipeline, and the gas-phase circulation working medium in the condensation tank is condensed and liquefied by means of the condenser to form the liquid-phase circulation working medium; therefore, the temperature consistency management and control and the he
Resumen de: WO2025245993A1
Disclosed in the present invention is an integrated detection sprinkler head. A sprinkler head body and a detector are integrally arranged, and are sealingly connected to a battery case in a threaded manner and extend into the battery case. By means of the solution, in the present invention, a detection sensor and a circuit board are integrated on the sprinkler head, and there is no need to mount the sprinkler head and a detection device separately, nor to change an original battery case structure, such that the cost is lower; and the integrated sprinkler head is inserted via an originally reserved sprinkler-head mounting hole of the battery case so as to mount the integrated sprinkler head, or is removed via the originally reserved sprinkler-head mounting hole of the battery case so as to repair the integrated sprinkler head, without the need to open the battery case, thus making mounting, inspection and repair, and maintenance convenient.
Resumen de: WO2025246002A1
Disclosed in the present invention are a ceramic solid-state electrolyte film and a preparation method therefor. The preparation method comprises the following steps: (1) mixing a solid-state electrolyte blank with a fiberizable polymer, fiberizing the polymer, and uniformly mixing the fiberized polymer with the solid-state electrolyte blank; (2) carrying out hot pressing treatment on the mixture obtained in step (1) to a preset thickness to obtain a solid-state electrolyte green film; and (3) carrying out high-temperature sintering on the solid-state electrolyte green film obtained in step (2) to obtain a solid-state electrolyte film. The preparation method for the solid-state electrolyte thin film of the present invention involves simplified preparation process, and the prepared solid-state electrolyte film has high content of ceramic, compact structure and high ionic conductivity.
Resumen de: WO2025246779A1
Disclosed are a battery module, which features compact installation and low production cost and also has pressure relief and explosion-proof functions, and a battery box. The battery module comprises a battery fixing module, and two ends of the battery fixing module are each sequentially provided with a temperature-resistant pressure relief module, a one-way valve heat dissipation plate, and an insulation wall. Multiple battery cells are arranged in an array within the battery fixing module. Each temperature-resistant pressure relief module is provided with multiple pressure relief chamber assemblies that are arranged in an array and located at end portions of the battery cells, and an end surface of the temperature-resistant pressure relief module is further provided with multiple crisscrossing pressure relief guide grooves. Each pressure relief chamber assembly comprises a pressure relief hole positioned at the end portion of a battery cell and valve-body stop blocks positioned at upper and lower ends of the pressure relief hole. The one-way valve heat dissipation plate is shape-matched to the temperature-resistant pressure relief module and is attached to end portions of the valve-body stop blocks. The one-way valve heat dissipation plate is provided with multiple one-way valve flaps that are folded along the vertical direction and are arranged in an array, and for each pressure relief hole, a one-way valve flap is adhered at each of the two sides between the two valve-bod
Resumen de: WO2025246711A1
The present application relates to the technical field of batteries, and provides a cover plate assembly, a battery, and an electrical device. The cover plate assembly comprises a cover plate and an electrode terminal. A mounting hole is provided in the center of the cover plate, the cover plate comprising a first insulating member. The electrode terminal comprises a terminal piece and a second insulating member, the second insulating member being arranged on a side of the terminal piece. The terminal piece at least partially passes through the mounting hole and is connected to the cover plate. The second insulating member is in surface contact with the first insulating member. The cover plate assembly provided in examples of the present application can reduce the possibility of mutual interference of different parts of a battery cover plate during assembly, and improve the assembly efficiency and assembly reliability of the battery cover plate.
Resumen de: WO2025246954A1
The present invention provides a method for recovering lithium from a spent lithium iron phosphate battery, comprising: subjecting the positive electrode black powder of the spent lithium iron phosphate battery to a roasting reaction in a roasting furnace filled with a protective gas, and simultaneously adjusting, on the basis of the mixture in the roasting furnace, the input flow rate of chlorine gas to control the temperature of the roasting reaction, wherein the temperature of the roasting reaction is 50-300 °C; subjecting the product of the roasting reaction to water leaching to obtain a solution of the product; subjecting the solution of the product to suction filtration to obtain a filtrate; and concentrating the filtrate by means of evaporation and then drying the residue to obtain a lithium chloride crystal. In the present invention, one-step roasting is carried out at a low temperature, and the temperature of the roasting reaction is controlled by adjusting the input flow rate of chlorine gas, so that the lithium element in the spent lithium iron phosphate battery can be converted into lithium chloride, which is soluble in water, and a lithium chloride crystal can be further prepared. The method has a simple process, high reaction efficiency, low energy consumption, and a lithium element recovery rate as high as 95%; the method has great industrial application value.
Resumen de: WO2025245988A1
A material preparation apparatus and a battery production device, the material preparation apparatus (100) comprising: a material storage tank (10), which is used for storing a target solvent; a metering assembly (20), which is used for receiving the target solvent and measuring the weight of the received target solvent; a connection pipe (30), which communicates between the material storage tank and the metering assembly; and an air inflation assembly (40), which communicates with the material storage tank and is used for introducing an inert gas into the material storage tank. The air inflation assembly comprises a first air inlet pipe (41), a first air outlet pipe (42), and first control valves (43). The first air inlet pipe and the first air outlet pipe are in communication with the material storage tank. The first control valves are arranged on the first air inlet pipe and the first air outlet pipe, respectively, and are used for controlling the first air inlet pipe or the first air outlet pipe to be opened or closed. The introduced inert gas can form sealing for the target solvent in the material storage tank, and can also form pneumatic transmission for the target solvent in the material storage tank, thus lowering the probability of solvent residue or solvent leakage occurring in the material storage tank or the connection pipe.
Nº publicación: WO2025245967A1 04/12/2025
Solicitante:
EVE ENERGY CO LTD [CN]
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Resumen de: WO2025245967A1
A battery case gas-discharging structure and a battery case. The battery case gas-discharging structure comprises: a support main body (1), which has a gas-discharging cavity (11), wherein one end of the support main body is configured to be connected to the battery case, a side gas inlet hole (114) is formed in the side wall of the support main body, and the side gas inlet hole (114) is communicated with the battery case; and a sealing cover (2), which is sealingly assembled to the other end of the support main body (1), wherein a gas-discharging hole (24) is formed in the sealing cover (2), and the gas-discharging hole (24) is communicated with the exterior of the cavity of the battery case. Gas generated by foaming is discharged by means of the gas-discharging hole (24), thereby reducing voids in the battery case.
BOPI
Sede Electrónica
