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1323
results.
Updated on
25/04/2025 [07:36:00]
Results 375 to 400 of 1323
Absstract of: WO2025077123A1
The present application relates to an active equalization control system and an active equalization control method. The system comprises: a sampling circuit; a processor, used for generating a battery cell selection signal and a target pulse width modulation signal; an active equalization circuit, comprising a battery cell selection circuit which is used for selecting, according to the battery cell selection signal, two target battery cells to be subjected to voltage equalization; and a power conversion circuit, used for balancing the voltages of the two target battery cells according to the target pulse width modulation signal.
Absstract of: WO2025077118A1
Disclosed in the present application are a beam structure, a battery box, and a battery pack. The beam structure comprises an inner plate and an outer plate which are arranged opposite each other, wherein a first cavity is formed between the inner plate and the outer plate, the inner plate is arranged towards one side of the battery cell, and at least part of the area of the inner plate is configured as a corrugated structure.
Absstract of: WO2025077162A1
A winding needle (100) and a winding device (1000). The winding needle (100) comprises a support (10) and a winding body (20), and the winding body (20) is sleeved on the support (10). The winding body (20) comprises a side surface (21) and an end surface (22) connected to the side surface (21). At least four inserting slots (23) are formed in the winding body (20), the inserting slots (23) extend from the end surface in the axial direction of the winding body (20) and through the side surface (21), and the at least four inserting slots (23) are arranged at intervals in the circumferential direction of the winding body (20).
Absstract of: WO2025077086A1
An electrode sheet, a secondary battery, an electric device, a preparation method, and a reuse method. The electrode sheet comprises a current collector and multiple active material layers located on at least one side of the current collector; the multiple active material layers comprise a first active material layer and a second active material layer, wherein the second active material layer is the active material layer farthest from the current collector, and the first active material layer is located between the second active material layer and the current collector, and comprises current collector particles.
Absstract of: WO2025078850A1
An all-solid-state battery (1) comprises: a power generation element (30) in which a first electrode layer (40), a solid electrolyte layer (60), and a second electrode layer (50) are layered in this order along a Z direction; a first collector (10) that is in contact with the first electrode layer (40); and a second collector (20) that is in contact with the second electrode layer (50). The first electrode layer (40) includes: a first side surface (40b) that is in contact with the solid electrolyte layer (60), and that is inclined so as to approach the center of the first electrode layer (40) in a direction from the first collector (10) toward the second collector (20); and a first end surface (40a) that is in contact with the solid electrolyte layer (60), and that is surrounded by the first side surface (40b). The solid electrolyte layer (60) has a first portion (61) that is interposed between the second electrode layer (50) and the first end surface (40a), and a second portion (62) that is interposed between the second electrode layer (50) and the first side surface (40b). The elastic modulus of the second portion (62) is smaller than the elastic modulus of the first portion (61).
Absstract of: WO2025077870A1
The embodiments of the present description provide a temperature sensor and a preparation method therefor, and a battery integrated with the temperature sensor. The temperature sensor comprises: a bottom-layer electrode and a top-layer electrode; and a poly(3,4-ethylenedioxythiophene) (PEDOT) film and a carbon nanotube film which are located between the bottom-layer electrode and the top-layer electrode and grow together in an interlaced manner.
Absstract of: WO2025078927A1
One aspect of the present invention provides a secondary battery that can be used over a wide temperature range and is not easily affected by ambient temperatures. Also provided is a highly safe secondary battery. The secondary battery comprises a positive electrode, a negative electrode, and an electrolyte layer between the positive and negative electrodes. The positive electrode has, on a positive electrode collector, a positive electrode active material, a first lithium-ion conductive polymer, a first lithium salt, and a conductive material. The electrolyte layer has a second lithium-ion conductive polymer and a second lithium salt. Since there is no or very little organic solvent, a secondary battery that is less prone to catch fire can be obtained, and safety is improved.
Absstract of: WO2025077442A1
A welding method and system for battery poles, wherein the method is applied to a control device in a welding system. The welding system further comprises a movable welding device (402), and a welding module (4021) and a ranging sensor (4022) which are arranged on the movable welding device (402). The method comprises: acquiring a set of pole coordinates, in a welding station coordinate system, of a plurality of poles of a battery; on the basis of the set of pole coordinates and welding quantity information of a welding module (4021), determining a set of welding coordinates of the welding module (4021); acquiring welding heights corresponding to welding coordinates in the set of welding coordinates, wherein the welding heights are determined on the basis of height distances between a ranging sensor (4022) and poles corresponding to the welding coordinates, which height distances are collected by means of the ranging sensor (4022); and on the basis of the set of welding coordinates and the welding heights corresponding to the welding coordinates, controlling the welding module (4021) to weld the poles of the battery. By means of the welding system, welding quality problems caused by non-uniform heights of poles are reduced, thereby improving the yield of batteries.
Absstract of: WO2025077148A1
A carbon-doped sodium iron aluminum titanium sulfate positive electrode material and a preparation method therefor. The carbon-doped sodium iron aluminum titanium sulfate positive electrode material comprises a carbon material and sodium iron aluminum titanium sulfate modified by the carbon material in situ. The general formula of sodium iron aluminum titanium sulfate is NaxFeyAlzTi1-y-z(SO4)m. Compared with single-ion doping, aluminum-titanium double-ion doping and the in-situ modification with the carbon material can produce a synergistic effect, thereby comprehensively improving the performance of the positive electrode material. Compared with the operations of directly ball milling raw materials and then calcining same, the preparation method, in which spray drying is mainly used for preparing a precursor, achieves more uniform distribution of various elements, is beneficial for obtaining a spherical carbon-doped sodium iron aluminum titanium sulfate positive electrode material, and can further improve the performance of the positive electrode material. The preparation method is simple in terms of technological process and easy to industrialize.
Absstract of: WO2025077142A1
Provided in the embodiments of the present application are an electrode assembly manufacturing device and method, and a battery manufacturing apparatus and method. The electrode assembly manufacturing device comprises a winding pin and a plurality of unwinding devices, wherein the plurality of unwinding devices are configured to supply a plurality of rolls to the winding pin, and the plurality of rolls are wound around the winding pin to form an electrode assembly; and the plurality of rolls exert a plurality of acting forces on the winding pin during winding, and the relative positions of the plurality of unwinding devices are configured such that the resultant force of the plurality of acting forces, the gravity of the rolls wound around the winding pin and the gravity of the winding pin is substantially zero. The battery manufacturing apparatus comprises an electrode assembly manufacturing device.
Absstract of: WO2025076957A1
A quick-change platform, a battery production line, and a control method. The quick-change platform comprises a tray kit (10). In a first pick-and-place state, the tray kit (10) is located at a first pick-and-place position, so that the tray kit (10) is used for receiving a target object (80) disengaged from a battery module fixture, or a battery module handling device picks up the target object (80) placed on the tray kit (10); and in a second pick-and-place state, the tray kit (10) is located at a second pick-and-place position, and is used for taking down the target object (80) on the tray kit (10), or for placing the target object (80) onto the tray kit (10).
Absstract of: WO2025076944A1
The present disclosure belongs to the technical field of battery production. Disclosed are an assembly apparatus, an assembly method and a battery production line. A driving device is provided on a frame. The driving device drives the rotating of a rotary table which is at least partially arranged on the driving device. Carrier assemblies are provided on the rotary table to rotate along with the rotary table; at least three carrier assemblies are arranged at intervals in the circumferential direction of the rotary table, the carrier assemblies being used for carrying battery cells; at least one of the carrier assemblies is located at a loading position, at least one of the carrier assemblies is located at an unloading position, and at least one of the carrier assemblies is located at a pressure application position, the loading position being located on the side of the pressure application position away from the direction of rotation of the rotary table, and the unloading position being located on the side of the pressure application position facing the direction of rotation of the rotary table. A pressure application assembly provided on the frame is used for applying pressure to the battery cells carried by the carrier assemblies located at the pressure application position, thereby assembling a plurality of corresponding battery cells. Loading, pressure application, and unloading can be carried out without interfering each other, improving the working efficiency of the ass
Absstract of: WO2025076938A1
A peel-off apparatus (100), a battery manufacturing device, and a peel-off method. The peel-off apparatus (100) comprises a mounting frame (10), a motion mechanism (20), and a clamping mechanism (30). The motion mechanism (20) comprises a first motion assembly (21) and a second motion assembly (22). The first motion assembly (21) is provided on the mounting frame (10). The first motion assembly (21) is used for driving the second motion assembly (22) to move in a first direction. The clamping mechanism (30) comprises a connection bracket (31) and clamping assemblies (32). The second motion assembly (22) is used for driving the connection bracket (31) to move in a second direction. The clamping assemblies (32) are connected to the connection bracket (31), and clamping members (321) of the clamping assemblies (32) can move in a third direction. The clamping members (321) are used for clamping a target member of an article (200) so as to peel off the target member. The first direction, the second direction, and the third direction intersect with each other.
Absstract of: WO2025077482A1
A casing device (100). The casing device (100) comprises a support (10), a track plate (20), a guide rail plate (30), a first clamping member (40) and a second clamping member (50). When the guide rail plate (30) drives the first clamping member (40) and the second clamping member (50) to slide in a second direction, the first clamping member (40) and the second clamping member (50) slide along a linear guide rail (31) under the action of a first track groove (21) and a second track groove (22), so as to approach to or away from each other.
Absstract of: WO2025077448A1
The present disclosure relates to the technical field of battery electrode sheet processing, and provides a winding apparatus, comprising a first winding roller, a second winding roller, composite rollers, a take-up roller, and a waste removing mechanism. The first winding roller is used for winding an electrode sheet; the second winding roller is used for winding a separator; the composite rollers are used for pressing together the electrode sheet and the separator; the take-up roller is located downstream of the composite rollers, and the take-up roller is used for winding up the pressed electrode sheet and separator; the waste removing mechanism comprises a single winding roller, the single winding roller being used for winding and collecting an electrode sheet which has been detected to not meet standards. The composite rollers are located between the single winding roller and the take-up roller on an electrode sheet conveying path. Thus, the distance between the single winding roller and the take-up roller can be lengthened to a certain extent, so that enough space is reserved for the single winding roller, and the rotating radius of the single winding roller can be designed to be larger. When winding an electrode sheet having the same length which does not meet standards, the rotating speed of the single winding roller can be reduced, lowering the probability that a tab of the electrode sheet is folded, which can also increase the probability that electrode sheets which
Absstract of: WO2025077413A1
Disclosed in embodiments of the present disclosure are a battery module assembly method and a battery module assembly system. The battery module assembly method comprises: throughout an entire assembly process, i.e., from feeding of at least one battery cell to assembly into a battery module, inspecting the at least one battery cell multiple times on the basis of data to be inspected sent by a battery module assembly device; and sending at least one of multiple inspection results to the battery module assembly device, so as to implement entire-process management of battery module assembly.
Absstract of: WO2025077438A1
A battery pack (100) and a battery module (200). The battery pack (100) comprises a plurality of battery modules (200), each battery module (200) comprising a support (10); a plurality of connecting pieces (20); and an insulating cover (30), the insulating cover (30) being connected to the support (10), and the insulating cover (30) being arranged between two adjacent connecting pieces (20) so as to separate the two adjacent connecting pieces (20).
Absstract of: WO2025077158A1
An electrode assembly (100), a battery cell (201), a battery (200), and an electrical device (1000). The electrode assembly (100) comprises a first electrode plate (10), a second electrode plate (20) and a separator (30), the separator (30) isolating the first electrode plate (10) from the second electrode plate (20), and the first electrode plate (10), the second electrode plate (20) and the separator (30) being wound to form an integral body. In an innermost ring of the electrode assembly (100), the first electrode plate (10) is disposed closer to an inner side of the electrode assembly relative to the second electrode plate (20). The first electrode plate (10) comprises a body (11), and a tab (12) connected to the body (11). The body (11) is formed having a notch (13) extending along a width direction of the first electrode plate (10). The notch (13) and the tab (12) are disposed at an interval along a winding path of the electrode assembly (100).
Absstract of: WO2025077095A1
The present application provides an energy storage system and a control method for the energy storage system, applied to the technical field of energy storage. The energy storage system comprises a plurality of battery clusters and a plurality of control units, and the battery clusters are in one-to-one correspondence with the control units. Each control unit is used for: when a battery parameter is not lower than a first battery parameter, controlling the corresponding battery cluster to discharge at constant current; and when the battery parameter is lower than the first battery parameter, controlling the corresponding battery cluster to charge at constant current, wherein the first battery parameter is a battery parameter when the capacity of the battery cluster reaches a safe capacity lower limit. By controlling the battery clusters meeting conditions in the energy storage system to charge or discharge at the same constant current, the output power or input power of the energy storage system reaches the maximum power that the energy storage system can currently reach.
Absstract of: WO2025077077A1
A boxing device, a detection mechanism, a battery assembly line, and a boxing method. The boxing device (100) is used for boxing battery modules. The boxing device comprises a first conveying apparatus (10), boxing channels (30), and detection mechanisms (20). The first conveying apparatus is used for conveying the battery modules to move in a first direction. The boxing channels are arranged on one side of the first conveying apparatus. The battery modules on the first conveying apparatus can move to the boxing channels for boxing. The detection mechanisms are used for detecting the battery modules located in the boxing channels, so that the battery modules are matched with a box (200) for batteries.
Absstract of: WO2025076946A1
Disclosed are a stacking device, a battery production line, and a stacking method. The stacking device is used for stacking workpieces into a neat workpiece queue, the workpiece queue comprising multiple workpieces. The stacking device comprises: a base support; a stacking table, used for bearing at least one workpiece, the stacking table being arranged on the base support; and at least two shapers. The shapers operate in pairs to perform an alignment operation for aligning the workpieces located on the stacking table. The paired shapers are configured so that when at least one of the shapers operates, said shapers can move toward or move away from each other along a first direction and above the stacking table, and the alignment operation is performed by means of the shapers moving toward each other, so as to form a neat workpiece queue by stacking.
Absstract of: WO2025076936A1
Embodiments of the present disclosure relate to the technical field of battery production. Disclosed are a battery module verification method and apparatus, for use in at least solving the problems in the related art of high processing cost, low processing efficiency, low line productivity and the like due to shutdown being required for manual removal of a battery module when the battery module is abnormal. The verification method comprises: controlling a visual acquisition mechanism to acquire an image of a battery module on a tray; determining a verification result of the battery module on the basis of the image of the battery module, wherein the verification result indicates whether the battery module has a defect, and the defect comprises at least one of the following: presence of an abnormal battery cell in the battery module, and abnormal mounting of an end plate of the battery module; and when the verification result indicates that the battery module has a defect, controlling a removal device to move the battery module into a bearing device.
Absstract of: WO2025076940A1
Provided in the embodiments of the present disclosure are a pressing plate module, a production line and a control method, which are used for battery assembly operations. The pressing plate module comprises a pressing plate assembly and a mounting seat assembly, wherein one of the mounting seat assembly and the pressing plate assembly is provided with a stopping member, and the other one of the mounting seat assembly and the pressing plate assembly is provided with a stopping surface; the stopping member can selectively telescopically move; the pressing plate module comprises a locked state and an unlocked state; in the locked state, the stopping member extends and abuts against the stopping surface, such that the pressing plate assembly is fixed to the mounting seat assembly, and the mounting seat assembly can drive the pressing plate assembly to move, such that the pressing plate assembly is pressed against a battery or separated from the battery; and in the unlocked state, the stopping member retracts and is separated from the stopping surface, such that the pressing plate assembly can be separated from the mounting seat assembly. In the pressing plate module in the embodiments of the present disclosure, the switching of the pressing plate module between the locked state and the unlocked state is realized by means of controlling the telescopic movement of the stopping member, such that the process steps for replacing the pressing plate assembly are reduced, thereby improvi
Absstract of: WO2025077376A1
The present application discloses an end cover assembly, an energy storage apparatus, and an electrical device. The end cover assembly comprises: a top cover, an explosion-proof valve, and a protective piece. The top cover comprises a first mounting surface and a second mounting surface, the first mounting surface and the second mounting surface being disposed back to back in the thickness direction of the top cover. The top cover is provided with a first mounting groove, an explosion-proof hole, and a ventilation groove, the first mounting groove being recessedly provided in the first mounting surface, and the ventilation groove being in communication with the explosion-proof hole. The explosion-proof valve is attached to the second mounting surface, and the explosion-proof valve covers the opening of the explosion-proof hole located on the second mounting surface. The protective piece is attached to a groove bottom surface of the first mounting groove, and the protective piece covers the opening of the explosion-proof hole located on the bottom groove surface of the first mounting groove and a part of the ventilation groove. A vent places the explosion-proof hole in communication with the outside, so that air in the explosion-proof hole can be discharged to the outside via the vent, preventing the air pressure in the explosion-proof hole from becoming too high and enabling the air pressure in the explosion-proof hole to remain normal, thereby increasing the precision of an
Nº publicación: WO2025077416A1 17/04/2025
Applicant:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Absstract of: WO2025077416A1
The present disclosure relates to the technical field of batteries, and provides a bottom support apparatus, a grabbing device, a production line, and a method for replacing the type of a bottom support apparatus. The bottom support apparatus comprises a plurality of mounting units, a bottom support set, and a plurality of type-replacing mechanisms. Each mounting unit comprises two mounting platforms spaced apart along a first direction, and the plurality of mounting units are spaced apart along a second direction. The bottom support set comprises a plurality of bottom support boards. The plurality of bottom support boards are spaced apart along the second direction, and each bottom support board corresponds to the two mounting platforms of one of the mounting units. Two ends of each bottom support board along the first direction are each detachably connected to one of the type-replacing mechanisms. The type-replacing mechanisms are detachably connected to the mounting platforms. The first direction is perpendicular to the second direction.
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