CN115697008A

CN115697008A - Packaging equipment for perovskite heterojunction battery

Info

Publication number: CN115697008A
Application number: CN202211263744.3A
Authority: CN
Inventors: 陶利松; 张群芳; 任建强
Original assignee: Zhejiang Hete Photoelectricity Co ltd
Current assignee: Zhejiang Hete Photoelectricity Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-03

Abstract

The utility model belongs to the technical field of solar cell makes and specifically relates to a packaging equipment of perovskite heterojunction battery is related to, including supplying the battery piece to get into and inside left vacuum box that can form vacuum environment, locate left vacuum box in and make the inside heating device that heats of left vacuum box, left side vacuum box one side is equipped with the right vacuum box that can form vacuum environment, the intercommunication has the vacuum that can form vacuum environment to say between right vacuum box and the left vacuum box, be equipped with in the right vacuum box and place sealing film and glass board in the device of transferring on battery piece surface, left side vacuum box, be equipped with the drive belt that drives the battery piece antedisplacement in vacuum way and the right vacuum box, also set up heating device in the right vacuum box, right side vacuum box sliding connection has can with glass board and sealing film hot pressing in the hot pressing portion on battery piece surface, with the encapsulation efficiency of promotion battery piece.

Description

Packaging equipment for perovskite heterojunction battery

Technical Field

The application relates to the field of solar cell manufacturing, in particular to packaging equipment for a perovskite heterojunction cell.

Background

The perovskite heterojunction solar cell can better absorb and utilize light with different wave bands to realize higher conversion efficiency, so that the development prospect is larger. The manufacturing process of the perovskite heterojunction battery generally comprises the steps of cleaning and texturing, amorphous silicon thin film deposition, transparent conductive film deposition, perovskite coating, transparent conductive film deposition, motor printing, and finally, laminating a glue sealing film and a glass plate on a battery piece which is preliminarily manufactured for packaging.

The utility model provides a current encapsulation equipment, for moisture and oxygen volume reduce in the battery after making the encapsulation to promote the life of battery piece, can place the battery piece earlier and heat in the vacuum in order to go out the moisture deoxidization operation, then place the plastic envelope membrane and glass board and carry out the heat-seal in the vacuum in battery piece surface.

In view of the above-mentioned related technologies, after moisture and oxygen removal is completed on one cell, the next cell can be subjected to moisture and oxygen removal operation only by waiting for the sealant film to be placed in place and removed after heat sealing is completed, so that the efficiency is low when a batch of cells are packaged.

Disclosure of Invention

Efficiency when encapsulating in order to promote the battery piece in batches, this application provides a encapsulation equipment of perovskite heterojunction battery.

The packaging equipment for the perovskite heterojunction battery adopts the following technical scheme.

The utility model provides a encapsulation equipment of perovskite heterojunction battery, including supply the battery piece get into and the inside left vacuum box that can form vacuum environment, locate left vacuum box in and make the inside heating device that heats of left vacuum box, left side vacuum box one side is equipped with the right vacuum box that can form vacuum environment, and the intercommunication has the vacuum that can form vacuum environment to say between right vacuum box and the left vacuum box, is equipped with in the right vacuum box and places the transfer device on battery piece surface with sealing glue membrane and glass board, and left side vacuum box, vacuum say and be equipped with the drive belt that drives the battery piece antedisplacement in the right vacuum box, also set up heating device in the right vacuum box, and sliding connection has the hot splenium that can heat-pressing in battery piece surface with glass board and sealing glue membrane in the right vacuum box.

Through adopting above-mentioned technical scheme for left side vacuum box when removing the moisture deoxidization to a battery piece, right side vacuum box can carry out the hot pressing to the battery piece that the moisture deoxidization had been accomplished to one piece before simultaneously, with the efficiency of better promotion when big batch battery encapsulates.

Optionally, the transmission belt includes a left transmission belt arranged in the left vacuum box, a transmission belt arranged in the vacuum channel, and a right transmission belt arranged in the right vacuum box, a left sealing door is arranged at a communication position of the left vacuum box and the vacuum channel, and a right sealing door is arranged at a communication position of the right vacuum box and the vacuum channel.

Through adopting above-mentioned technical scheme, when new battery piece sent into left vacuum chamber in, left closed door made the difficult reduction of vacuum degree of vacuum way to when the battery piece after accomplishing the hot pressing sent out right vacuum chamber, right closed door can make the difficult reduction of vacuum degree of vacuum way.

Optionally, the transfer device comprises a device box communicated in the right vacuum box, a transfer electric cylinder arranged in the device box, a placing frame arranged in the transfer electric cylinder power rod and capable of entering the right vacuum box, two sets of transfer electric cylinders arranged in the placing frame, a glue film clamping hand arranged in one set of transfer electric cylinder power rod and used for clamping a glue film, and a glass suction nozzle arranged in a set of transfer electric cylinder power rod far away from the glue film clamping hand and used for adsorbing a glass plate.

By adopting the technical scheme, the sealing adhesive film can be tightly attached to the surface of the battery piece, and the glass plate and the sealing adhesive film are not easy to deviate relative to the placement position of the battery piece.

Optionally, set up the lower discharging cylinder power rod of glass suction nozzle is equipped with the glued membrane cutter, and the glued membrane cutter is close to the glass board side that covers on the sealing glue membrane.

By adopting the technical scheme, when the glass plate is placed on the sealing adhesive film, the adhesive film cutter cuts off the part of the periphery of the sealing adhesive film, which exceeds the battery piece, and the redundant sealing adhesive film is recovered.

Optionally, set up the lower discharging cylinder power rod of glued membrane tong is equipped with to the sword frame, and the glued membrane cutter is kept away from to sword frame one side and is equipped with the stopper, and the glued membrane cutter can be pegged graft in supporting the sword frame, and the stopper can the butt in supporting the sword frame.

By adopting the technical scheme, the pressure applied to the battery piece is not easy to be overlarge when the glass plate is not easy to transfer, and the cutting marks on the periphery of the sealing adhesive film can be uniform.

Optionally, the knife supporting frame comprises a fixed frame arranged on a power rod of the lower discharging cylinder, a plurality of rotating plates which are connected to one side, close to the transmission belt, of the fixed frame in a rotating mode, a rotating plate motor which is arranged on the fixed frame and drives the rotating plates to rotate, and the rotating plates are connected with the adhesive film cutter in an inserting mode and abutted against the limiting blocks.

By adopting the technical scheme, when a new adhesive sealing film needs to be clamped, the rotating plate rotates, so that the adhesive film clamping hand cannot be blocked by the rotating plate, the adhesive sealing film to be clamped by the adhesive film clamping hand cannot be blocked by the rotating plate, and the adhesive sealing film is clamped again more conveniently.

Optionally, a box door for separating the right vacuum box from the device box is arranged at an opening of the device box communicated with the right vacuum box.

Through adopting above-mentioned technical scheme for when to right vacuum chamber evacuation, need not be together with the device incasement evacuation in the lump, also can make simultaneously when the hot pressing goes on, can carry out the clamp of new glass board absorption and sealing glue membrane this moment and get.

Optionally, the hot pressing part comprises an air bag, and the right vacuum box is provided with a hot pressing electric cylinder which drives the hot pressing part to move towards the glass to be packaged.

By adopting the technical scheme, when the glass plate is tightly pressed on the sealing glue film, the hot-pressing part is not easy to damage the glass plate.

Optionally, the left vacuum box, the vacuum channel and the right vacuum box are communicated with each other inside the wall thickness, the heating device comprises an oil inlet pipe communicated with the left vacuum box and used for conducting oil to enter the left vacuum box, and an oil outlet pipe communicated with the right vacuum box and used for conducting oil to be sent out, and the oil inlet pipe is far away from the oil outlet pipe.

Through adopting above-mentioned technical scheme for carry out more even heating in left vacuum box, vacuum channel and the right vacuum box, make all be difficult for existing a great amount of vapor or oxygen in left vacuum box, vacuum channel and the right vacuum box.

Optionally, the right side vacuum chamber is equipped with two board electricity jar, and two board electricity jar power bars all are equipped with and are pasted in the hot plate of sealing the glued membrane, and two hot plate tip can laminate mutually, and two hot plates after the laminating encircle in sealing the glued membrane.

By adopting the technical scheme, the sealing adhesive film can be heated to a proper temperature more quickly, and the hot pressing efficiency is improved.

In summary, the present application includes at least one of the following advantages:

1. when the left vacuum box removes moisture and oxygen from one battery piece, the right vacuum box can simultaneously carry out hot pressing on the previous battery piece after moisture and oxygen removal, so that the efficiency of packaging large-scale batteries is improved;

2. when the glass plate is placed on the sealing adhesive film, the adhesive film cutter cuts off the part of the periphery of the sealing adhesive film, which exceeds the battery piece, and the redundant sealing adhesive film is recovered.

Drawings

FIG. 1 is a schematic side sectional view of the left vacuum box, vacuum channel and right vacuum box of the present application;

FIG. 2 is a side sectional view of the apparatus case;

fig. 3 is a schematic view of the lowering device.

Description of the reference numerals: 1. a left vacuum box; 2. a heating device; 21. going out; 22. sealing the door; 23. a box door; 3. a right vacuum box; 31. an oil inlet pipe; 32. an oil outlet pipe; 33. a plate electric cylinder; 34. heating plates; 35. fixing a frame; 36. rotating the plate; 37. a board rotating motor; 38. a vacuum tube; 39. entering a door; 4. a vacuum channel; 41. discharging a cylinder; 42. clamping the adhesive film; 43. a glass suction nozzle; 44. a hot pressing section; 45. a glue film cutter; 46. a knife supporting frame; 47. a limiting block; 48. an air bag; 49. hot pressing the electric cylinder; 5. lowering the device; 51. a transmission belt; 52. a left drive belt; 53. a drive belt; 54. a right drive belt; 55. a left closure door; 56. a right closure door; 57. a device case; 58. moving into an electric cylinder; 59. and (5) placing the shelf.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses encapsulation equipment of perovskite heterojunction battery, refer to fig. 1, including placing in left vacuum box 1 on ground, 1 vertical side fixed connection of left side vacuum box and intercommunication have vacuum to say 4, vacuum is said 4 and can is held a battery piece and is got into, the vacuum is said 4 one end department fixed connection and the intercommunication of keeping away from left vacuum box 1 and is had right vacuum box 3, the battery piece removes damp deoxidization in left vacuum box 1, the battery piece carries out the hot pressing with encapsulation membrane and glass board in right vacuum box 3, vacuum is said 4, the equal fixed connection in left vacuum box 1 and 3 upper portions of right vacuum box and intercommunication have vacuum tube 38, vacuum tube 38 communicates in outside vacuum pump, so that vacuum is said 4, form vacuum environment in left vacuum box 1 and the right box 3.

Referring to fig. 1, a vacuum channel 4, a transmission belt 51 is installed in the left vacuum box 1 and the right vacuum box 3, the transmission belt 51 can be a metal transmission belt capable of resisting high temperature, the transmission belt 51 can be driven by a steel roller in cooperation with a motor to perform transmission, the transmission belt 51 comprises a left transmission belt 52 installed in the left vacuum box 1, a channel transmission belt 53 installed in the vacuum channel 4, and a right transmission belt 54 installed in the right vacuum box 3, the transmission direction of the left transmission belt 52 is equal to the connection of the central points of the left vacuum box 1, the vacuum channel 4 and the right vacuum box 3, the transmission directions of the left transmission belt 52, the channel transmission belt 53 and the right transmission belt 54 are consistent, an opening is arranged on the vertical side of the left vacuum box 1 far away from the vacuum channel 4 and is provided with an inlet door 39, the inlet door 39 is opened so that a battery sheet can move onto the left transmission belt 52, the battery sheet can move into the right vacuum box 3 through the channel transmission belt 53 and the right transmission belt 54, an opening is arranged on the vertical side of the right vacuum box 3 far away from the vacuum channel 4 and is provided with an outlet door 21, and the outlet door 21 is opened so as to supply the vacuum sheet to be sent out of the right vacuum box 3. The cell length is long enough to be driven on the left belt 52, the lane belt 53 and the right belt 54 in sequence.

Referring to fig. 1, a left side vacuum box 1, vacuum channel 4 and right vacuum box 3 three wall thickness part cavity and be linked together, a left side vacuum box 1, vacuum channel 4 and right vacuum box 3 are equipped with heating device 2 that is used for the heating of three inner space, heating device 2 includes fixed connection and communicates in the oil pipe 31 of left vacuum box 1 bottom department, high temperature conduction oil can send into to left vacuum box 1 wall thickness via oil pipe 31 in, right vacuum box 3 upper portion fixed connection and intercommunication have an oil pipe 32, high temperature conduction oil sends out via oil pipe 32, say that drive belt 53 is located oil pipe 32 and advances between the oil pipe 31, make high temperature conduction oil can be full of in left vacuum box 1 better, in vacuum channel 4 and the 3 wall thicknesses of right vacuum box, so that left vacuum box 1, vacuum channel 4 and right vacuum box 3 inner space respectively can obtain even heating, make the battery piece can carry out more abundant except that the deoxidization when getting into left vacuum box 1, and accomplish the battery piece that removes the deoxidization and also can keep certain temperature when getting into to vacuum channel 4 and right vacuum box 3, make the battery piece be difficult for a large amount of moisture to appear once more in the removal process once more.

Referring to fig. 1, a left sealing door 55 is slidably connected to an opening of a vacuum channel 4 communicated with a left vacuum box 1, a right sealing door 56 is slidably connected to an opening of a vacuum channel 4 communicated with a right vacuum box 3, the left sealing door 55 can separate the left vacuum box 1 from the vacuum channel 4, and the right sealing door 56 can separate the right vacuum box 3 from the vacuum channel 4, so that after moisture and oxygen removal of a battery piece is completed and the battery piece enters the vacuum channel 4, the left sealing door 55 is closed, and at the moment, an access door 39 is opened to allow a new battery piece to enter the left vacuum box 1 for moisture and oxygen removal. Before the battery piece is sent out from the right closing door 56, the right closing door 56 is closed, so that the vacuum environment in the vacuum channel 4 is not easily affected. The left closing door 55 and the right closing door 56 are moved by a screw motor installed in the upper portion of the vacuum passage 4.

Referring to fig. 2 and 3, a lower device 5 for placing a sealant film and a glass plate on the surface of a battery piece is installed in the right vacuum box 3, the lower device 5 comprises a device box 57 fixedly connected and communicated with the vertical side surface of the right vacuum box 3, the side surface of the right vacuum box 3 where the device box 57 is arranged is adjacent to the side surface of the right vacuum box 3 where the vacuum channel 4 is connected, the inner wall of one end of the device box 57 away from the right vacuum box 3 is fixedly connected with a transfer electric cylinder 58, the length direction of a power rod of the transfer electric cylinder 58 is horizontal and perpendicular to the transmission direction of a right transmission belt 54, the power rod of the transfer electric cylinder 58 is fixedly connected with a placement frame 59, the placement frame 59 is fixedly connected with two groups of four lower discharge cylinders 41, the power rods of the lower discharge cylinders 41 are vertical, the power rods of one group of the lower discharge cylinders 41 are fixedly connected with a sealant film clamp 42, the sealant film clamp 42 can be a pneumatic finger to clamp the sealant film, the power rods of one group of the lower cylinders 41 without the sealant film clamp 42 are fixedly connected with a glass suction nozzle 43, and the glass suction nozzle is communicated with an external negative pressure pump to adsorb the glass plate. The lower discharging cylinder 41 provided with the adhesive film clamping hands 42 is arranged on the lower surface of the placing frame 59, the lower discharging cylinder 41 provided with the glass suction nozzles 43 is arranged on the vertical inner wall of the placing frame 59, two rectangular frames with the same central lines are formed by connecting lines among the four glass suction nozzles 43 and connecting lines among the four adhesive film clamping hands 42, and the area of the rectangular frame formed by the four adhesive film clamping hands 42 is larger than that of the rectangular frame formed by the four glass suction nozzles 43.

Referring to fig. 2 and 3, the power rod fixedly connected with glued membrane cutter 45 of a set of lower discharging cylinder 41 that sets up glass suction nozzle 43, glued membrane cutter 45 is vertical and is the rectangle frame, the vertical side of glued membrane cutter 45 is close to the glass board thickness side of placing on sealing the epimembranal, glued membrane cutter 45 bottom cutting edge height is less than the height of glass suction nozzle 43, the power rod of a set of lower discharging cylinder 41 that sets up glued membrane tong 42 installs and supports knife frame 46, support knife frame 46 and include fixed frame 35 of fixed connection in the power rod of lower discharging cylinder 41, the central point department of four sides in fixed frame 35 bottom surface all rotates and is connected with a commentaries on classics board 36, commentaries on classics board 36 axis of rotation is vertical, fixed frame 35 inside fixedly connected with part exposes in the commentaries on classics board motor 37 of deciding frame 35, commentaries on classics board motor 37 output shaft coaxial fixed connection in commentaries on classics board 36 point department of rotation, commentaries on classics board 36 upper surface is close to the sealed glued membrane bottom surface that is got by glued membrane tong 42. The bottom blade of the film cutter 45 is inserted into the rotating plate 36 along the vertical direction. The vertical side fixedly connected with four stopper 47 of glued membrane cutter 45, every stopper 47 bottom surface can butt in a commentaries on classics board 36 upper surface, and when stopper 47 butt in commentaries on classics board 36 upper surface, the glass board is close to the sealing glue membrane upper surface of placing on the battery piece.

Referring to fig. 2, the right vacuum box 3 is communicated with the opening of the device box 57 and is slidably connected with the box door 23 along the vertical direction, the box door 23 can separate the device box 57 from the right vacuum box 3, the bottom of one end of the device box 57 far away from the right vacuum box 3 is provided with an opening for a sealant film and a glass plate to be fed into the device box 57, the opening at the bottom of the device box 57 is slidably connected with the sealing door 22, the box door 23 and the sealing door 22 are driven by a lead screw motor installed on the device box 57 to move, meanwhile, the upper part of the device box 57 is also fixedly connected and communicated with the vacuum tube 38, so that after the sealant film and the glass plate are fed into the device box 57 to be correspondingly fixed, the sealing door 22 can be sealed and the inside of the device box 57 can be vacuumized in advance, and a large amount of moisture or oxygen is not easy to exist in the device box 57.

Referring to fig. 1, a hot pressing portion 44 is slidably connected to the inside of the right vacuum box 3 along a vertical direction, the hot pressing portion 44 may be an air bag 48 or a steel plate adhered with a rubber layer, a hot pressing electric cylinder 49 is fixedly connected to the upper portion of the right vacuum box 3, and a power rod of the hot pressing electric cylinder 49 is vertically and fixedly connected to the upper portion of the air bag 48, so that the air bag 48 can be driven to move down and pressed on the upper surface of the stacked glass plates. The equal fixedly connected with board electricity jar 33 of the two relative vertical sides of right vacuum box 3, right vacuum box 3 sets up the vertical side of board electricity jar 33 and is adjacent to the side that right vacuum box 3 connects vacuum channel 4, board electricity jar 33 is located device case 57 below, two board electricity jar 33 power bars are located the equal fixedly connected with hot plate 34 of one end in right vacuum box 3, hot plate 34 is the door type, two hot plate 34 close one end can press close to each other in order to form a rectangle frame, the vertical side of hot plate 34 is pasted in the glued membrane side, heat to gluing the membrane faster. The plate cylinder 33, the hot pressing cylinder 49, the lower discharging cylinder 41 and the moving-in cylinder 58 may be self-guided cylinders.

The implementation principle of the packaging equipment of the perovskite heterojunction battery of the embodiment of the application is as follows: the battery piece enters the left vacuum box 1, the left vacuum box 1 is vacuumized and kept at a higher temperature, so that the battery piece is dehumidified and deaerated in the left vacuum box 1, then the battery piece enters the right vacuum box 3 through the vacuum channel 4, the sealant film is firstly stacked on the battery piece, then the glass plate moves downwards and is stacked on the sealant film, meanwhile, the sealant film cutter 45 can cut off the redundant part of the periphery of the sealant film and bring the sealant film back to the device box 57, then the air bag 48 moves downwards to carry out pressure test on the glass plate for hot pressing, and the battery piece after hot pressing is sent out of the right vacuum box 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a encapsulation equipment of perovskite heterojunction battery, includes that supplies the battery piece to get into and inside can form vacuum environment's left vacuum box (1), locate in left vacuum box (1) and make inside heating device (2) that heat of carrying out of left vacuum box (1), its characterized in that: left side vacuum box (1) one side is equipped with right vacuum box (3) that can form vacuum environment, the intercommunication has vacuum that can form vacuum environment to say (4) between right side vacuum box (3) and left vacuum box (1), be equipped with in right side vacuum box (3) and place in battery piece surface and transfer device (5) with sealing glued membrane and glass board, left side vacuum box (1), be equipped with in vacuum way (4) and right vacuum box (3) and drive belt (51) that drive the battery piece antedisplacement, also set up heating device (2) in right side vacuum box (3), sliding connection has in right side vacuum box (3) can be with glass board and seal hot pressing portion (44) on battery piece surface of gluey membrane hot pressing.

2. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 1, wherein: the transmission belt (51) comprises a left transmission belt (52) arranged in the left vacuum box (1), a transmission belt (53) arranged in the vacuum channel (4) and a right transmission belt (54) arranged in the right vacuum box (3), a left sealing door (55) is arranged at the communication position of the left vacuum box (1) and the vacuum channel (4), and a right sealing door (56) is arranged at the communication position of the right vacuum box (3) and the vacuum channel (4).

3. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 1, wherein: the glass plate transferring device (5) comprises a device box (57) communicated in the right vacuum box (3), a moving-in electric cylinder (58) arranged on the device box (57), a placing frame (59) arranged on a power rod of the moving-in electric cylinder (58) and capable of entering the right vacuum box (3), two groups of transferring cylinders (41) arranged on the placing frame (59), a glue film clamping hand (42) arranged on one group of transferring cylinders (41) and used for clamping a glue sealing film, and a glass suction nozzle (43) arranged on one group of transferring cylinders (41) and used for adsorbing a glass plate and far away from the glue film clamping hand (42).

4. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 3, wherein: the lower discharging cylinder (41) power rod of the glass suction nozzle (43) is provided with a glue film cutter (45), and the glue film cutter (45) is close to the side face of the glass plate covered on the glue sealing film.

5. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 4, wherein: set up lower discharging cylinder (41) power pole of glued membrane tong (42) is equipped with supports sword frame (46), and glued membrane cutter (45) are kept away from to be equipped with stopper (47) sword frame (46) one side, and glued membrane cutter (45) can be pegged graft in supporting sword frame (46), and stopper (47) can butt in supporting sword frame (46).

6. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 5, wherein: support sword frame (46) including locating down fixed frame (35) of charging cylinder (41) power pole, rotate and connect in fixed frame (35) and be close to several commentaries on classics board (36) of drive belt (51) one side, locate fixed frame (35) and drive commentaries on classics board motor (37) of commentaries on classics board (36) pivoted, change board (36) and supply plastic film cutter (45) to peg graft and supply stopper (47) butt.

7. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 4, wherein: the opening of the device box (57) communicated with the right vacuum box (3) is provided with a box door (23) for separating the right vacuum box (3) and the device box (57).

8. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 7, wherein: the hot pressing part (44) comprises an air bag (48), and the right vacuum box (3) is provided with a hot pressing electric cylinder (49) which drives the hot pressing part (44) to move towards the glass to be packaged.

9. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 1, wherein: left side vacuum box (1), vacuum channel (4) and right vacuum box (3) wall thickness are inside to be linked together, and heating device (2) are including communicating in left vacuum box (1) and supplying the conduction oil to enter into oil pipe (31) in left vacuum box (1) wall thickness, communicating in right vacuum box (3) and supplying oil pipe (32) that go out that the conduction oil was seen off, and oil pipe (31) are gone into and are kept away from in oil pipe (32).

10. The packaging apparatus for a perovskite heterojunction battery as claimed in claim 9, wherein: vacuum box (3) on the right side is equipped with two board electric jar (33), and two board electric jar (33) power rod all is equipped with hot plate (34) that are close to in sealing the glued membrane, and two hot plate (34) tip can laminate mutually, and two hot plate (34) after the laminating encircle in sealing the glued membrane.