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1323
results.
Updated on
25/04/2025 [07:36:00]
Results 400 to 425 of 1323
Absstract of: WO2025077365A1
In order to solve the problem that existing lithium-ion batteries have a high-temperature behavior and a relatively large impedance, the present invention provides a compound selected from compounds represented by structural formula (1), wherein x is an integer of 0 to 3, y is an integer of 0 to 3, and 1 ≤ x + y; a is an integer of 0 to 4, b is an integer of 0 to 4, c is an integer of 0 to 4, and 1 ≤ a + b + c; R1, R2, and R3 are each independently selected from alkylene groups having 1-4 carbon atoms; R4 and R5 are each independently selected from hydrogen or alkyl groups having 1-6 carbon atoms; and R6, R7, R8, R9, R10, R11, R12, R13, and R14 are each independently selected from alkyl groups having 1-6 carbon atoms. In addition, also disclosed in the present invention are a use of the compound, a non-aqueous electrolyte solution, and a battery. The compound provided by the present invention can form a passivation film structure having high integrity, a uniform film thickness and good electrolyte ion permeability on a surface of an electrode and is conducive to improving the high-temperature behavior and prolonging the service life of the battery.
Absstract of: WO2025076951A1
A grabbing device (1), a grabbing apparatus, a battery production line and a control method. The grabbing device (1) comprises a frame (11), a clamping plate mechanism (12), and a distance changing mechanism (13). The frame (11) is used for connecting to a mechanical arm; the clamping plate mechanism (12) comprises two clamping plate assemblies spaced apart from each other, and is used for clamping a plurality of battery cells (2); the distance changing mechanism (13) is arranged on the frame (11), and is separately in driving connection to the two clamping plate assemblies so as to adjust the distance between the two clamping plate assemblies; the two clamping plate assemblies are a reference clamping plate assembly (122) and a floating clamping plate assembly (121); the reference clamping plate assembly (122) can provide a clamping reference for the plurality of battery cells (2); the floating clamping plate assembly (121) can clamp each battery cell (2). The grabbing device (1), the grabbing apparatus, the battery production line and the control method can stably grab battery cells (2).
Absstract of: WO2025076966A1
An adhesive-tape affixing apparatus and an adhesive-tape affixing method, which belong to the technical field of battery production. A material bin assembly (2) for storing adhesive tape is provided on a frame (1). A first positioning assembly (3) is disposed on the material bin assembly (2), and at least partially moves relative to the material bin assembly (2) for positioning adhesive tape (100). A material pick-up assembly (4) disposed on the frame (1) has a pick-up part (41) for picking up the adhesive tape (100) which is placed in the material bin assembly (2). A paper tearing assembly (5) disposed on the frame (1) is used for removing release paper (101) from the adhesive tape (100). A material preparation platform (6) connected to the frame (1) is used for bearing the adhesive tape (100) from which the release paper has been removed, and the pick-up part (41) can reciprocate between the material bin assembly (2), the paper tearing assembly (5) and the material preparation platform (6). A second positioning assembly (7) is disposed on the material preparation platform (6), and at least partially moves relative to the material preparation platform (6) for positioning the adhesive tape (100). A laying and affixing assembly (8) disposed on the frame (1) is used for picking up the adhesive tape (100) on the material preparation platform (6) for laying and affixing. The first positioning assembly (3) and the second positioning assembly (7) are moved to adapt to the adhesive
Absstract of: WO2025076897A1
The present application discloses a current collector assembly, a liquid cooling system, a case of a battery, a battery, and an electrical apparatus. The current collector assembly comprises a plurality of current collectors; each current collector comprises a main body portion, a first end portion, and a second end portion, and the first end portion and the second end portion are located on two opposite sides of the main body portion; the second end portion of one current collector in the current collector assembly is in interference connection with the first end portion of the other current collector in the current collector assembly. In this way, the two current collectors in the current collector assembly can be directly assembled, reducing the use of an adapter pipe, omitting the process of inserting the adapter pipe, reducing the complexity of assembling the current collector assembly, and reducing the cost.
Absstract of: WO2025076939A1
Disclosed in the present disclosure are a pressurizing device, a battery production line and a pressurizing method. The pressurizing device is used for pressurizing a workpiece queue. The pressurizing device comprises: a carrying table, used for bearing the workpiece queue, the workpiece queue comprising a plurality of workpieces arranged in a first direction; and at least one pressurizing assembly, each pressurizing assembly comprising a first pressurizer and a stopper arranged opposite to the first pressurizer, the first pressurizer being used for applying to the workpiece queue an acting force in the first direction, and the stopper being used for blocking the workpiece queue. The first pressurizer and the stopper are configured to be able to get close to or be far away from each other in the first direction. The pressurizing assembly is configured to move in a second direction intersecting the first direction. The pressurizing device, the battery production line and the pressurizing method in the present disclosure have good compatibility and high degree of automation, thus helping to improve the production efficiency.
Absstract of: WO2025076885A1
The present application is applicable to the technical field of power batteries, and provides a battery cell, a battery, and an electrical apparatus. The battery cell (100) comprises: an adapter (10), a welding mark (20) being formed in a protruding manner on the adapter; and a covering member (30), connected to the adapter and covering the welding mark, an accommodation cavity (40) used to accommodate the welding mark being formed between the covering component and the adapter component, and the welding mark being at least partially accommodated in the accommodation cavity. The battery cell provided by the present application is provided with an accommodation cavity between the covering component and the adapter component, at least part of the welding mark being accommodated in the accommodation cavity, the welding mark accommodated in the accommodation cavity enabling the covering component to better contact the adapter component near the welding mark, and decreasing the occurrence of situations wherein the covering component is suspended, so that negative impact of the welding mark on the covering component is reduced, the covering component can better contact the adapter component, and the problem of the covering component potentially loosening or falling off is alleviated.
Absstract of: WO2025077361A1
Provided in the present application is a temperature collection assembly, comprising a measurement frame (1), a tooling plate (2), a temperature measurement member (3) and an electrical connector (4), wherein the measurement frame (1) can be mounted on a circumferential side face of a battery cell (10) in a snap-fitting manner; the tooling plate (2) is detachably mounted on the measurement frame (1); the temperature measurement member (3) is mounted on the tooling plate (2), so as to measure the temperature of the battery cell (10); and the temperature measurement member (3) can be in communication connection with a battery management system by means of the electrical connector (4).
Absstract of: WO2025077405A1
A vehicle (1) having a battery pack (10), the battery pack (10) having a busbar (200). The busbar (200) comprises: a non-conductive sealing pressing plate (2003), a first connecting component (2001), and a second connecting component (2002). The first connecting component (2001) is disposed at a first end of the non-conductive sealing pressing plate (2003), and the second connecting component (2002) is disposed at a second end of the non-conductive sealing pressing plate (2003), the first connecting component (2001) being electrically connected to the second connecting component (2002).
Absstract of: WO2025077368A1
A multi-tab battery and an electronic device. The multi-tab battery comprises a case (10) and a cell (20). The cell (20) is arranged in the case (10). The cell (20) comprises a separator (23), a positive electrode sheet (21), a negative electrode sheet (22), a plurality of positive electrode tabs (211), and a plurality of negative electrode tabs (221). The plurality of positive electrode tabs (211) are arranged at intervals in a first direction (Z1) and protrude from the positive electrode sheet (21) by a first length in an extension direction of the cell (20). The plurality of negative electrode tabs (221) are arranged at intervals in a second direction (Z2) and protrude from the negative electrode sheet (22) by a second length in the extension direction of the cell (20).
Absstract of: WO2025077366A1
The present application relates to the field of battery manufacturing, and provides a compression apparatus and a compression device. The compression apparatus (100) comprises a compression mechanism (10) and a compression tool (20), the compression mechanism (10) comprising a first pressing plate (11) provided with a through hole (111), and a positioning assembly (12) disposed on the first pressing plate (11). The compression tool (20) comprises a second pressing plate (21), and a quick-change connecting member (22) protruding from the second pressing plate (21). The quick-change connecting member (22) can traverse the through hole (111), and the positioning assembly (12) can connect to or release the quick-change connecting member (22). The described compression apparatus (100) can quickly replace the compression tool (20), and is convenient and rapid.
Absstract of: WO2025076967A1
Disclosed are a power battery high-voltage distribution box, a power battery, and a vehicle. The power battery high-voltage distribution box (1000) comprises a housing (100) and an electrical unit (200) mounted in the housing (100). The electrical unit (200) comprises a copper bar assembly (210) and more than one temperature sensors (220). The temperature sensors (220) are located in an inner cavity of the housing (100), to monitor in real time and record the temperature of a key position in the inner cavity, and monitor, collect and report the temperature in real time. The copper bar assembly (210) is bent towards one side of the housing (100), such that some copper bars of the copper bar assembly (210) are exposed out of the housing (100), and the copper bars exposed out of the housing (100) can be in contact with an external cooling assembly for cooling.
Absstract of: WO2025077013A1
A laying and attaching assembly, an adhesive attaching method, and a battery production line. The laying and attaching assembly comprises a transfer unit (1), lifting devices (2) and laying and attaching devices (3). The lifting devices (2) are arranged on the transfer unit (1), the transfer unit (1) being used for driving the lifting devices (2) to move, and a plurality of the lifting devices (2) being provided. The laying and attaching devices (3) are used for vacuum-fixing adhesive sheets (300), each lifting device (2) being correspondingly provided with a laying and attaching device (3), and each lifting device (2) being used for driving the corresponding laying and attaching device (3) to ascend and descend. The transfer unit (1) drives the lifting devices (2) to move so as to adjust the position of the adhesive sheets (300) vacuum-fixed to the laying and attaching devices (3), and the lifting devices (2) drive the corresponding laying and attaching devices (3) to ascend and descend so as to vacuum-fix corresponding adhesive sheets (300), such that the distance between the adhesive sheets (300) vacuum-fixed to the laying and attaching devices (3) can be regulated, thereby better implementing adhesive attaching to surfaces of both single-row grouped battery cells and double-row grouped battery cells.
Absstract of: WO2025076981A1
Disclosed in the embodiments of the present disclosure are a battery grabbing device, a battery production line and a control method for the battery grabbing device. The degree of automation of the battery grabbing device can be improved, so that the degree of automation of a battery production line using the battery grabbing device is correspondingly improved. The control method for the battery grabbing device can rapidly and accurately grab qualified batteries, thus improving the efficiency of grabbing the batteries. The battery grabbing device comprises a support, an operation platform, a detection apparatus, a battery grabbing apparatus and a tray grabbing apparatus, wherein the operation platform is used for bearing trays and batteries located in the trays, the detection apparatus is arranged on the support and used for detecting whether the batteries inside the operation platform are qualified, the battery grabbing apparatus is used for grabbing qualified batteries, and the tray grabbing apparatus is at least used for grabbing trays after the battery grabbing apparatus has grabbed the qualified batteries. The battery grabbing device provided by the present disclosure is used for grabbing qualified batteries.
Absstract of: WO2025076875A1
The present disclosure belongs to the technical field of electronic assemblies. Disclosed are a battery mounting structure, an outdoor mobile power supply and an electronic assembly. The battery mounting structure comprises a telescopic member, a first battery assembly and at least one second battery assembly, wherein the first battery assembly is sleeved on the telescopic member; and one second battery assembly is sleeved on the telescopic member and electrically connected to the first battery assembly, and the remaining second battery assemblies are sequentially sleeved on the telescopic member in the axial direction of the telescopic member and electrically connected to each other in sequence. The battery mounting structure provided in the present disclosure allows a user to freely increase or reduce the number of second battery assemblies according to actual electricity needs, thereby freely increasing or decreasing the battery capacity, improving the ease of use and portability.
Absstract of: WO2025076874A1
The present disclosure relates to the technical field of electronic assemblies. Disclosed are an outdoor mobile power supply and an electronic assembly. The outdoor mobile power supply comprises a base assembly, a guide rail member, a telescopic member, and a first battery. The guide rail member is provided on the base assembly; the telescopic member is provided on the base assembly, and a part of the telescopic member is located in the guide rail member; the first battery is provided on the guide rail member and is sleeved on the telescopic member, and the end of the first battery distant from the guide rail member is provided with a first electrical connection portion. According to the outdoor mobile power supply provided by the present disclosure, a user can flexibly assemble and disassemble a battery according to usage and mobile transportation requirements, thereby effectively improving the convenience of use and portability.
Absstract of: WO2025076720A1
A lithium manganese iron phosphate positive electrode material, a preparation method therefor, and a lithium ion battery. The lithium manganese iron phosphate positive electrode material prepared by means of the preparation method is beneficial to well balancing and taking into account all of the initial discharge capacity, average voltage, compaction density, etc., so as to obtain better comprehensive performance. The preparation method comprises the following steps: S1, using precursor raw materials to prepare a mixed precursor, wherein the precursor raw materials comprise a lithium source, an iron source, a manganese source, a phosphorus source, and a carbon source; and S2, sintering the mixed precursor to obtain a lithium manganese iron phosphate positive electrode material, wherein the sintering comprises first sintering and second sintering which are sequentially performed, the temperature of the first sintering is 800°C-900°C, the temperature of the second sintering is 600°C-800°C, and the temperature of the first sintering is higher than the temperature of the second sintering.
Absstract of: WO2025077401A1
An electrolyte suitable for a sodium ion battery and a sodium ion battery. To solve the problem of poor room temperature cycle performance, rate performance, and high and low temperature performance of sodium ion batteries, the electrolyte suitable for the sodium ion battery is provided. The electrolyte comprises an electrolyte salt, an organic solvent and an additive; the organic solvent comprises a carbonate ester solvent, a fluorinated carboxylate ester solvent and a fluorobenzene solvent; and the carbonate ester solvent does not contain ethylene carbonate. By means of collaboration of the carbonate ester solvent, the fluorinated carboxylate ester solvent and the fluorobenzene solvent, the room temperature cycle performance, the rate performance and the high and low temperature performance of sodium ion batteries are improved.
Absstract of: WO2025077434A1
Embodiments of the present disclosure provide a tray device, a battery production line, and a replacement method for a pressurizing member of a tray device. The tray device comprises a tray and at least one pressurizing mechanism arranged on the tray; the pressurizing mechanism comprises end plate pressurizing tools arranged in pairs; the end plate pressurizing tools arranged in pairs are used for pressurizing battery modules in a first direction; at least one end plate pressurizing tool comprises a mounting seat and a pressurizing member; the pressurizing member is used for being in contact with an end plate of each battery module; an insertion slot is formed in one of the mounting seat and the pressurizing member, and the other of the mounting seat and the pressurizing member is provided with an insertion member; the insertion member is fitted into the insertion slot so as to detachably mount the pressurizing member onto the mounting seat; the insertion member is fitted into the insertion slot in a second direction of the tray device, wherein the second direction is perpendicular to the first direction; moreover, the pressurizing member can move upwards under the action of external force to be separated from the mounting seat.
Absstract of: WO2025081058A1
A method can include receiving battery sensor measurements, determining a state of the battery (e.g., SoH, SoC, SoE, SoP, etc. or information correlated therewith such as internal resistance, open circuit voltage, etc.), estimating an aging profile or degradation of the battery for one or more operating conditions, and determining operating conditions for the battery based on the estimated degradation.
Absstract of: WO2025077892A1
The present application belongs to the technical field of batteries. Disclosed are a thermal management system and a battery pack. The thermal management system comprises connecting pipes and a plurality of liquid cooling plates, wherein the plurality of liquid cooling plates are spaced apart in a first direction, and the liquid cooling plates are provided with pipe joints; each connecting pipe is arranged between every two adjacent liquid cooling plates, with two axial ends of the connecting pipe being respectively inserted into the interior of the pipe joints of the two adjacent liquid cooling plates, so as to bring the two adjacent liquid cooling plates into communication; and the stiffness of the pipe joints is greater than the stiffness of the connecting pipes. In the present application, the assembly between the connecting pipes and the pipe joints can be realized, and the reliability and stability of the assembly between the connecting pipes and the pipe joints are improved, and thus the reliability of the connection between adjacent liquid cooling plates can be improved, thereby avoiding liquid leakage between the adjacent liquid cooling plates.
Absstract of: WO2025077028A1
Provided are an electrolyte and the use thereof. The electrolyte comprises silane of formula 1, an isocyanate compound and fluoroethylene carbonate, wherein in formula 1, R1, R2, R3 and R4 are each independently selected from at least one of hydrogen, a halogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C1-C60 aryl group, and an isocyanate group; and at least one of R1, R2, R3 and R4 includes an unsaturated group. It is not easy to generate acidic substances in the electrolyte during a long-term storage process, and when the electrolytic solution is used in a battery, it facilitates the formation of a high-quality SEI film on the surface of a negative electrode, and the problem of gas production of a silicon-based battery at a high temperature is effectively inhibited, thereby reducing the impedance of the battery and improving the high-temperature cycling and high-temperature storage performance of the battery.
Absstract of: WO2025076962A1
Disclosed in the present application are a material assembling method and system. The material assembling system comprises a control apparatus, a material cabinet, a sleeve selector, an upper computer and a tightening gun controller. The material assembling method comprises: after receiving target material taking information sent by an upper computer, a control apparatus controlling, on the basis of the target material taking information, a material cabinet to open a target cabinet door, so as to give an instruction to take a target material, and controlling a sleeve selector to perform target sleeve indication processing, wherein the target material is located in a cabinet body corresponding to the target cabinet door; when it is determined that a target sleeve has been taken away, the control apparatus enabling a tightening gun controller; when it is determined that the target sleeve has not been taken away, the control apparatus not enabling the tightening gun controller; and when the tightening gun controller is enabled, if a tightening trigger instruction is received, the tightening gun controller assembling the target material by means of the target sleeve. Thus, the accuracy of material assembling can be effectively improved.
Absstract of: WO2025077011A1
A battery cell loading system (100) and method, a battery cell grouping system and method, and an operation system. The battery cell loading method comprises: controlling a first conveyor line (111) to convey incoming battery cells to a first pick-up station (210); controlling a second conveyor line (112) to convey the incoming battery cells to a second pick-up station (220); controlling a third conveyor line (113) to convey the incoming battery cells to a side gluing station (240), and conveying the battery cells having undergone side gluing treatment to a third pick-up station (230); controlling a first loading and grabbing mechanism (121) to grab a first number of battery cells from the first pick-up station to a first loading area (251) in a loading station (250); and controlling a second loading and grabbing mechanism (122) to grab the first number of battery cells from a target pick-up station to a second loading area (252) in the loading station, wherein the target pick-up station is selected from the second pick-up station and the third pick-up station on the basis of the type of the current module to be assembled.
Absstract of: WO2025076726A1
A lithium nickel manganese oxide positive electrode material, and a preparation method therefor and a use thereof. The lithium nickel manganese oxide positive electrode material comprises an inner core and an anion and cation co-coating layer arranged on the surface of the inner core, and the phase of the lithium nickel manganese oxide positive electrode material comprises a spinel phase and a layered phase. The lithium nickel manganese oxide positive electrode material comprises a spinel phase and a layered phase, and the spinel phase and the layered phase have good compatibility, so that a diffusion channel of Li is increased, good rate capability is achieved, and high capacity is maintained.
Nº publicación: WO2025076734A1 17/04/2025
Applicant:
GUANGDONG BRUNP RECYCLING TECH CO LTD [CN]
HUNAN BRUNP RECYCLING TECH CO LTD [CN]
\u5E7F\u4E1C\u90A6\u666E\u5FAA\u73AF\u79D1\u6280\u6709\u9650\u516C\u53F8,
\u6E56\u5357\u90A6\u666E\u5FAA\u73AF\u79D1\u6280\u6709\u9650\u516C\u53F8
Absstract of: WO2025076734A1
A short-process regeneration method for a waste lithium cobalt oxide positive electrode material, comprising the following steps: (1) adding a waste lithium cobalt oxide positive electrode material into a mixed solution containing an inorganic acid and a reducing agent for leaching, and filtering to obtain a leachate; (2) adding alkali liquor into the leachate prepared in step (1) to precipitate aluminum and iron, filtering to obtain an aluminum-removed and iron-removed liquid, removing calcium and magnesium from the aluminum-removed and iron-removed liquid by using a chelating resin to obtain a calcium-removed and magnesium-removed liquid, and then extracting cobalt ions and lithium ions from the calcium-removed and magnesium-removed liquid by using a cobalt and lithium extractant to obtain a purified liquid containing cobalt and lithium; (3) performing spray pyrolysis on the purified liquid prepared in step (2) to obtain a lithium cobalt oxide; and (4) mixing the lithium cobalt oxide prepared in step (3) with a lithium source, and calcining to obtain a lithium cobalt oxide finished product.
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