4055results about "Assembling battery machines" patented technology

The invention relates to the technical field of power battery manufacturing, in particular to a reconfigurable island type production line system and process of a side face liquid cooling battery module. The system comprises a battery cell grouping module, a module splicing module, a liquid cooling plate processing module and a Block stacking module which operate independently, and a guide carrying system flexibly connected with the modules, and the number and position layout of the modules can be reconstructed according to production requirements. The corresponding production process comprises the following steps: in a reconfigurable island type production line system, flexibly transferring materials through a guide carrying system, and sequentially executing battery cell grouping, module splicing, side surface liquid cooling plate processing and Block stacking. The technical problems that a traditional linear production line is large in occupied area and poor in flexibility, the overall situation is affected by local faults, and the reconstruction cost is high are solved, space is saved, and cooperative improvement of production flexibility and system reliability is achieved.

The invention relates to an mounting fixture (1), comprising, within its structure at least one cassette slot (1.1) in which the cassettes are positioned; at least one battery cell slot (1.2) in which the battery cells are positioned; at least one tab pressing part (1.3) providing a bearing for the battery cell lugs; NTC device slot (1.4), which has a recessed structure and protects the NTC device in case of sagging while allowing it to be positioned without damage; tab cutting unit reference part (1.5), preventing short circuit and providing referencing in tab cutting process; insulated surface (1.6), preventing short circuit and providing protection for the mounting fixture (1); and mounting fixture base (1.7) produced using wear-resistant material for increasing sliding on the conveyor on the conveyor contact surface of the mounting fixture (1) in the production line.

Example embodiments provide a secondary battery manufacturing system. The system includes a positive electrode cutter configured to cut a positive electrode sheet wound from a positive electrode roll to provide a plurality of positive electrodes, a negative electrode cutter configured to cut a negative electrode sheet wound from a negative electrode roll to provide a plurality of negative electrodes, an electrode identifier (ID) reader configured to sense an electrode ID of a negative electrode tab of each of the plurality of negative electrodes to generate an electrode ID sensing signal, and a controller configured to collect coordinate-related electrode ID data based on a first input amount of the positive electrode sheet, a second input amount of the negative electrode sheet, and the electrode ID sensing signal.

A cell stack manufacturing device for secondary batteries is disclosed. The cell stack manufacturing device for secondary batteries may adjust the rotation speed of the feeder roll according to a moving speed and / or a moving position (trajectory) of a guide roller to adjust the tension of the separator. In addition, the cell stack manufacturing device for secondary batteries may control the tension of the separator by the moving speed and moving trajectory of the guide roller. The cell stack manufacturing device for secondary batteries may include a separator supply unit, a tension adjustment unit, and a stack stacking unit. The tension adjustment unit may be provided with a feeder roll that is rotated by a feeder roll drive unit to adjust the tension of the separator.

The invention relates to the technical field of batteries, and discloses an insulating film, a matching structure of the insulating film and a positioning tool, and a battery cell. The insulating film comprises a first film area, the first film area is provided with a first side edge and a second side edge which are oppositely arranged in the X direction, at least one positioning hole set is formed in the first film area, each positioning hole set comprises two positioning holes formed in the X direction in a spaced mode, one of the two positioning holes is arranged close to the first side edge, and the other one of the two positioning holes is arranged close to the second side edge; each positioning hole set comprises a first positioning hole and a second positioning hole, the opening size of the second positioning hole in the X direction is larger than the opening size of the first positioning hole in the X direction, and the opening size of the second positioning hole in the X direction is larger than the opening size of the second positioning hole in the Y direction. The invention provides an insulating film which is good in positioning effect and high in positioning compatibility with a positioning tool.

The application provides a lamination table, a lamination machine and a lamination method, and relates to the technical field of batteries. The lamination table comprises a cutting mechanism and a plurality of sub-lamination tables; each sub-lamination table has a bearing surface for bearing a composite material belt A; the plurality of sub-lamination tables have a shared material receiving station; the plurality of sub-lamination tables are moved along a first direction, so that the plurality of sub-lamination tables can be arranged at the material receiving station in turn; and the cutting mechanism is configured to cut the composite material belt A between adjacent two sub-lamination tables. According to the application, the plurality of sub-lamination tables are arranged in turn along the first direction, and are moved along the first direction, so that the sub-lamination tables can be arranged at the material receiving station in turn, and the composite material belt A carried by a sub-lamination table arranged at the material receiving station in turn can be guided by the movement of the sub-lamination table arranged at the material receiving station in turn. In this way, the position of the composite material belt A carried by the sub-lamination table can be effectively controlled, and additional guiding operation is not needed, so that the stacking efficiency of the lamination type electrode assembly can be improved.

A battery manufacturing apparatus includes a negative electrode notching device configured to assign a first electrode ID to individual notched electrodes; a first cutting device for separating individual negative electrodes assigned the first electrode ID; a positive electrode notching device configured to assign a second electrode ID to individual notched electrodes; a second cutting device for separating individual positive electrodes assigned the second electrode ID; a stacking device configured to stack the individual positive electrodes and the individual negative electrodes with a separator therebetween; and a roll map creating device.

Cut-out patterns are produced in a first coated metal foil (14), a second coated metal foil (20) and pair of separator sheets (25). From the first foil (14), the shape of the coated portion (6) of the first electrode is partially cut out along a cut-out lane (17). The cut-out is partial in the sense that said coated portion remains attached to the foil at the predefined position (19) of the first electrode tab. The cut-out pattern in the first foil additionally includes an alignment opening (18, 18a), while the cut-out patterns in the second foil and in the separator sheets also include respective alignment openings (23a, 26). The first foil (14) is inserted between the separator sheets (25) wherein at least one pair of alignment openings (26) in said separator sheets are mutually aligned to each other and to an alignment opening (18, 18a) in the first foil. The separator sheets are then bonded along the cut-out lane (17), to form a first assembly comprising a pocket (11) that contains the coated portion (6) of the first electrode. The second foil (20) is then placed on or under said first assembly, and the alignment opening (23a) in the second foil is aligned to the aligned openings in the first assembly The second foil is attached to the first assembly to obtain a second assembly (28). From the second assembly, the monocell is cut out according to a predefined shape.

The invention discloses an isostatic pressing device of an all-solid-state battery and a preparation method of the all-solid-state battery, the isostatic pressing device of the all-solid-state battery comprises a shell with an opening at the upper end and an upper cover, an isostatic pressing cavity is formed in the shell, the upper cover covers the upper end of the shell, a cylinder is arranged in the isostatic pressing cavity, and the upper cover covers the upper end of the shell. An all-solid-state battery and a conductive connecting piece used for being electrically connected with a tab of the all-solid-state battery are placed in the cylinder body, the cylinder body comprises a left half part, an insulating parting strip and a right half part, the left half part, the insulating parting strip and the right half part are sequentially connected, the left half part is electrically connected with the upper cover, and the insulating parting strip is electrically connected with the conductive connecting piece. The left half part is electrically connected with the shell, the right half part is electrically connected with the shell, an insulating sealing ring is arranged between the shell and the upper cover, and a tab of the all-solid-state battery is electrically connected with the left half part or the right half part through the conductive connecting piece; the device has the advantages that the isostatic pressing function and the in-situ formation function are achieved, the preparation process is shortened, and the production efficiency is improved.

The invention provides a battery monomer, and a coating method and coating equipment of an electrode assembly, and belongs to the field of batteries. The battery monomer comprises an electrode assembly and an insulating film, the insulating film is wound and coated on the periphery of the electrode assembly, the insulating film is provided with a winding starting end and a winding ending end along the self-winding direction, and the winding starting end and the winding ending end are at least partially overlapped; the insulating film comprises a gluing area and an empty film area, at least one end of the gluing area in the winding direction is connected with the empty film area, the gluing area is arranged on at least part of the periphery of the electrode assembly, and at most one of the winding starting end and the winding ending end comprises the part of the gluing area. According to the scheme, the insulating film can play a role in insulation and protection, and meanwhile, the binding of the electrode assembly is not too tight.

According to exemplary embodiments, a method for generating a roll map is provided. The method comprises the steps of: unwinding an electrode sheet from a first electrode roll and winding the electrode sheet into a second electrode roll; collecting unwinding direction data of the first electrode roll; and generating a second roll map of the second electrode roll on the basis of a first roll map of the first electrode roll and the unwinding direction data of the first electrode roll.

A dual slot die coater including a lower slot and an upper slot, for extrusion coating of an electrode active material slurry on a surface of a continuously moving current collector. The dual slot die coater includes a lower plate, an intermediate plate positioned on the lower plate and an upper plate positioned on the intermediate plate, the lower slot being formed between the lower plate and the intermediate plate, and the upper slot being formed between the intermediate plate and the upper plate, wherein the lower plate, the intermediate plate and the upper plate have a lower die lip, an intermediate die lip and an upper die lip, each forming an front end with respect to the current collector, respectively, and a thickness of the lower die lip is larger than a thickness of the upper die lip and a thickness of the intermediate die lip.

The present application relates to a defective electrode sheet rejection method, a die cutting device, a winding device and a battery production system. The defective electrode sheet rejection method comprises the following steps: performing strip splicing trace detection on an electrode sheet material strip having a plurality of continuously distributed electrode sheet units; on the basis of detecting that the electrode sheet material strip has a strip splicing trace, marking two defect identifiers spaced apart by a first preset distance D1 at an upstream position of the strip splicing trace on the electrode sheet material strip; performing defect identifier detection on the electrode sheet material strip during the winding process thereof into an electrode assembly; and on the basis of detecting that the electrode sheet material strip has two defect identifiers, independently winding an electrode sheet unit having the defect identifiers and an adjacent electrode sheet unit located upstream of the electrode sheet unit having the defect identifiers. The defective electrode sheet rejection method in the present application can solve the problem in respect of relatively high loss in electrode sheet material strips, thereby reducing the production cost of batteries and lowering the defect rate of the batteries.

A dual-slot die coater including a first slot and a second slot for discharging a coating solution in a direction opposite to gravity, a first die block vertically installed on a rear portion of an upper surface of a base, a second die block arranged on a front surface of the first die block to form the first slot between the second die block and the first die block, and a third die block arranged on a front surface of the second die block to form the second slot between the third die block and the second die block, and further includes an alignment block provided between a front portion of the upper surface of the base and a lower surface of the second die block and fastened and coupled to the lower surface of the second die block and a lower surface of the first die block by bolts.

A pressing plate replacing apparatus, a welding device, and a pressing plate replacing method are disclosed. The pressing plate replacing apparatus is configured to replace a pressing plate installed on a welding device. The pressing plate replacing apparatus includes a gripping mechanism, a material rack, and a rotating mechanism. The gripping mechanism is configured to grip the pressing plate, and is capable of reciprocating in a first direction. The material rack is located at one side of the welding device in the first direction, and includes a feed rack configured to store unused pressing plates and a return rack configured to recycle used pressing plates. The material rack can be switched between a first position and a second position. In the first position, the feed rack faces the gripping mechanism. When the material rack is in the second position, the return rack faces the gripping mechanism.

The invention discloses a lithium battery processing roundness shaping device and method, and relates to the technical field of lithium battery processing, the lithium battery processing roundness shaping device comprises a positioning frame, and the inner side of the positioning frame is provided with a position adjusting rounding piece connected with a transverse push rod. By arranging the position adjusting and rounding piece and starting the first servo motor, the shortest distance between the edge of the correction roller and the circle center of the supporting plate is adjusted to be equal to the target radius of the battery cell, the telescopic air cylinder is started, the correction roller moves by a certain distance in the direction away from the circle center of the supporting plate, and one-time rounding treatment can be conducted on the battery cell by rotating the correction roller in the same direction; then the telescopic air cylinder drives the movable sleeve plate to move to enable the positioning plate to be attached to the movable sleeve plate again, so that the shortest distance between the correction roller and the circle center of the supporting plate is equal to the target radius of the battery cell, rounding treatment is conducted on the battery cell again through rotation of the correction roller, and therefore part of internal stress of the pole piece and the diaphragm can be released; and material fracture or drape aggravation caused by forced shaping is avoided.

The invention discloses an all-solid-state battery assembly method and an all-solid-state battery, and the method comprises the following steps: S1, compounding a solid electrolyte membrane on the surface of at least one side of a die-cut negative plate, and carrying out rolling treatment to obtain a first complex, S2, die-cutting a positive electrode membrane, and enabling the projected area of the positive electrode membrane to be smaller than the projected area of the negative plate; s3, centrally placing the positive electrode membrane on the surface of at least one side of the first composite body, and compounding through a hot flat pressing process; s4, coating insulation glue along the periphery of the positive electrode diaphragm to prepare a second composite body; s5, carrying out die cutting on a carbon-coated aluminum foil current collector, laminating the second complex and the carbon-coated aluminum foil, and compounding through an isostatic pressing process to prepare a laminated body; and S6, packaging the lamination body to obtain the all-solid-state battery. According to the invention, seamless butt joint between the insulation paste and the tab strip material area can be realized, the contact between the exposed area of the tab and the negative electrode solid electrolyte layer can be prevented, the short circuit risk of the battery is reduced, and the tab is ensured not to be broken after isostatic pressing of the all-solid-state battery.

A positioning and clamping apparatus includes a hoisting unit including a support plate, two piston members, two first actuators, two hoisting plates, and an interconnection plate; a transporting unit including a second actuator, two movement rods, and a transporting plate; and a micro adjustment positioning unit including a limiting plate, two follower plates, two sliding members, a third actuator, and a positioning plate. The positioning and clamping apparatus is used for cell electrode plate groups, lead bridges, and lead heads of a lead-acid battery.

Example embodiments provide a battery manufacturing system. The battery manufacturing system includes a coupling device configured to form a plurality of first electrodes including an electrode identifier (ID) from a first electrode sheet to which the electrode ID is allocated at intervals of a pitch, form a plurality of second electrodes from a second electrode sheet, and combine the plurality of first electrodes and the plurality of second electrodes, in which the coupling device includes a controller configured to collect coordinate-related electrode ID data including the electrode ID and at least one of a coordinate of a first electrode sheet and a coordinate of a second electrode that match the electrode ID, based on a first input amount of the first electrode sheet, a second input amount of the second electrode sheet, and an electrode ID sensing signal.

A battery cell stacking system. The battery cell stacking system comprises a stacking assembly, battery cell conveying carriers, and a transverse movement assembly. The stacking assembly comprises stacking grippers that are movable in the Z-direction. Each battery cell conveying carrier is movably arranged between a preparation position and a working position in the X-direction, the preparation position is spaced apart from the working position in the X-direction, and the battery cell conveying carrier is used for carrying battery cells. The transverse movement assembly is used for driving the battery cell conveying carriers to move, and the transverse movement assembly and the battery cell conveying carriers synchronously move in the X-direction. The transverse movement assembly comprises positioning snap plates. The two positioning snap plates are spaced apart from each other in the Y-direction, the two positioning snap plates are capable of moving relative to each other in the Y-direction, and when each battery cell conveying carrier is located at the working position, at least some of the positioning snap plates are located above the battery cell conveying carrier. Each positioning snap plate and a corresponding battery cell conveying carrier together define an accommodating space of the battery cells. The distance between the two positioning snap plates is adjustable.

This application provides a battery electrode detection and control system that can improve the yield of electrode sheets. The electrode detection and control system is applied to an electrode coating system, which includes an unwinding device, a first-side coating device, a first-side drying device, and a winding device arranged in sequence. The electrode detection and control system includes a first detection device disposed between the unwinding device and the first-side coating device. The first detection device is used to detect the size of the area to be coated on the first surface of the electrode substrate output by the unwinding device, wherein the first surface is perpendicular to the thickness direction of the electrode substrate.

Generally described, one or more aspects of the present disclosure relate to methods, systems, and devices related to pre-straining bare lanes of a multilane electrode with a system for calendering a multilane electrode including a pre-strain roll device including a plurality of pre-strain rollers and a pressure roller forming a pre-strain nib and a calender roll device comprising a pair of calendering rollers forming a calendering nip positioned downstream from the pre-strain roll device.

An electrode manufacturing system according to an exemplary embodiment of the present disclosure includes: a coating part comprising a first coating part for applying an electrode slurry to a first surface of a current collector and a second coating part for applying an electrode slurry to a second surface of the current collector; an air spraying part; and a drying part, wherein the air spraying part is disposed on a transfer path between the second coating part and the drying part. By moving an electrode slurry in the direction of an uncoated part by spraying air at a fat-edge of a second electrode active material layer caused by a sliding region of a first electrode active material layer formed on the first surface of the current collector, the formation of the fat-edge can be prevented.

The invention discloses packaging equipment for secondary lithium ion battery processing, and relates to the technical field of lithium battery processing, the packaging equipment comprises a sealing edge pressing assembly, a cavity is axially formed in a machine body of the sealing edge pressing assembly, an adjusting bolt is mounted at the closed end of the cavity, and a pressing rod is axially mounted in the cavity in a sliding manner; one end of the pressing rod is elastically connected with the inner wall of the closed end of the cavity through a spring; close press fitting of a battery cover body can be achieved through axial sliding of a pressing rod overcoming the elastic force of a spring, meanwhile, in the upward moving process of a magnetic suction head, through abutting transmission of a back conical surface and a crank, a pressing strip is driven to clamp the peripheral side of a battery cover and be embedded into an annular groove for sealing, two key procedures are integrated in the same contact stroke, and the working efficiency is improved. The machining time is greatly shortened, the assembling efficiency is improved, and the automatic operation of the whole process of material taking and placing, feeding, press fitting and sealing is achieved through structural linkage of the three stages.

The invention discloses a battery monomer, a processing method thereof, a battery and an electric device, and belongs to the technical field of batteries. The battery monomer comprises a shell part, a pole part and a battery core part, the shell part is provided with a containing cavity and comprises a first shell wall participating in limiting the containing cavity, the pole part is installed on the first shell wall and comprises a pole main body, the battery core part comprises at least one battery core group and an adapter, the battery core group comprises n battery core main bodies, the n battery cell main bodies are all arranged in the containing cavity and are sequentially arranged in the first direction, the end part of each battery cell main body is connected with a tab group, all the same-polarity tab groups of the battery cell group extend towards the middle position close to the battery cell group in the first direction and are connected to form a tab part, and the tab part is electrically connected with the pole main body through an adapter; n > = 1 and is a positive integer. Therefore, the reliability of the battery cells can be improved.

A positioning apparatus includes a support structure including a top plate and legs extending downward from four corners of the top plate; a hoisting unit including a first hoisting plate, piston members, a second hoisting plate, two pressing blocks, and a first actuator; and a clamping unit including two opposite second actuators and two pushing blocks. The positioning apparatus is used for cell electrode plate groups of a lead-acid battery.

The pairing device includes a first positioning mechanism having a first pairing platform for placing the first workpiece; and a second positioning mechanism having a second pairing platform for placing the second workpiece. The first positioning mechanism and the second positioning mechanism are configured to enable at least one of the first pairing platform and the second pairing platform to move along a first direction, and enable at least one of the first pairing platform and the second pairing platform to rotate around the first direction. The first workpiece and the second workpiece are enabled to have a prescribed orientation by positioning the first pairing platform and the second pairing platform at staggered positions along the first direction, and rotating at least one of the first pairing platform and the second pairing platform around the first direction.

Disclosed is a secondary battery capable of improving sealing performance of a cell housing part including a case and a cap plate. The secondary battery includes an electrode assembly, including first and second electrode plates and a separator, a case accommodating the electrode assembly and electrically connected to the second electrode plate, a terminal mounted to the case configured to be electrically connected to the first electrode plate, a cap plate sealing an open top of the case, and a second gasket interposed between the case and the cap plate. The case includes a beading portion depressed inward and a crimping portion bent inward. A forming curvature calculated based on a bending amount of the crimping portion and a covering length of the crimping portion is different from a support strain calculated based on a depression depth of the beading portion and a cover overlapping length of the crimping portion.