CN108538433A - A kind of production method of crystal-silicon solar cell front side silver paste - Google Patents
A kind of production method of crystal-silicon solar cell front side silver paste Download PDFInfo
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- CN108538433A CN108538433A CN201810281996.6A CN201810281996A CN108538433A CN 108538433 A CN108538433 A CN 108538433A CN 201810281996 A CN201810281996 A CN 201810281996A CN 108538433 A CN108538433 A CN 108538433A
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- front side
- silver paste
- solar cell
- crystal
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 29
- 239000004332 silver Substances 0.000 title claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 21
- 239000010703 silicon Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000003801 milling Methods 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000013008 thixotropic agent Substances 0.000 claims description 3
- 239000000080 wetting agent Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000002775 capsule Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Accessories For Mixers (AREA)
Abstract
The present invention provides a kind of production methods of crystal-silicon solar cell front side silver paste.It, which solves existing front side silver paste, does not have corresponding production method, makes the technical problems such as cumbersome.The production method of this crystal-silicon solar cell front side silver paste, includes the following steps：A, by weight percentage, raw material is weighed：75 85% flake silver powder, 2 10% inorganic binder, 5 15% organic bond, 0.1 0.5% adhesion promoter and 1.5 6.5% additive；B, flake silver powder, inorganic binder and organic bond are put into togerther in agitating device and are stirred, after stirring 6 20min, adhesion promoter and additive are put into agitating device again and are stirred, after stirring 4 10min, the mixture of paste shape is made；C, mixture is put into three roll milling apparatus and carries out rolling, then through 300 400 mesh silk screen filters, you can obtain the front side silver paste that fineness is less than 5 μm.The present invention has the advantages that easy to make.
Description
Technical field
The invention belongs to technical field of solar, are related to a kind of production method of crystal-silicon solar cell front side silver paste.
Background technology
Since 21 century, the demand to the energy is continuously increased, and the green energy resources such as solar cell are quickly grown, and become the world
On the emerging rising industry that is concerned.Wherein, the front and back of crystal silicon solar cell sheet is coated with slurry, positive institute
Slurry is usually conductive silver paste.The quality of conductive silver paste performance plays certainly the height of solar cell photoelectric transformation efficiency
Qualitative effect.
Through retrieval, as Chinese patent literature discloses a kind of crystal-silicon solar cell front side silver paste【Application number：
201210369033.4；Publication number：CN 102903419A】.This crystal-silicon solar cell front side silver paste, it is characterised in that：By
The raw material of following mass percent is made：The silver powder of 67-90%, the inorganic binder of 1-8%, the organic bond of 2-20%,
The additive of 1-5%.
Although front side silver paste disclosed in the patent has preferable electric conductivity, the front side silver paste is not corresponding
Production method, make cumbersome, therefore, it is necessary to design a kind of production method of crystal-silicon solar cell front side silver paste
's.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of crystal-silicon solar cell front
The production method of silver paste, the production method have the characteristics that easy to make.
Object of the invention can be realized by the following technical scheme：A kind of making of crystal-silicon solar cell front side silver paste
Method, which is characterized in that include the following steps：
A, by weight percentage, raw material is weighed：The flake silver powder of 75-85%, the inorganic binder of 2-10%, 5-15%
The additive of organic bond, the adhesion promoter of 0.1-0.5% and 1.5-6.5%；
B, flake silver powder, inorganic binder and organic bond are put into togerther in agitating device and are stirred, stirred
After 6-20min, then adhesion promoter and additive are put into agitating device and are stirred, after stirring 4-10min, is made
The mixture of paste shape；
C, mixture is put into three roll milling apparatus and carries out rolling, then through 300-400 mesh silk screen filters, you can obtained thin
Front side silver paste of the degree less than 5 μm.
The average grain diameter of the flake silver powder is 3-8 μm, and purity is more than 99.90%.
The auxiliary agent is one kind in dispersant, levelling agent, wetting agent, thixotropic agent and anti-settling agent.
The mixing speed is 180-360rpm.
Agitating device in the step b includes pedestal, is fixed with agitator on the pedestal, agitator top have into
Material mouth, solenoid valve one is provided at feed inlet, and there is discharge port, discharge outlet to be provided with solenoid valve two, pedestal for agitator lower part
On be fixed with holder, be provided with lifter plate on holder, lifter plate with one can drive thereon lower mobile mobile mechanism be connected, lifting
Shaft is vertically arranged on plate, shaft upper end can drive its dynamic structure rotated to be connected with one, and shaft lower end extend into stirring
In bucket, flexible positioning gasbag is arranged in shaft lower end, and positioning gasbag is in flat cuboid, if having outside positioning gasbag
Dry stirring blade, positioning gasbag inner horizontal are provided with mounting plate, and the surrounding of mounting plate is connected with the inner wall of positioning gasbag, installation
The middle part of plate is connected with shaft lower end, has several ventholes on mounting plate, and vibration electricity has been fixed by the connecting rod on mounting plate
Machine, vibrating motor are double shaft vibrating motors, and vibrating motor is connected by spring one with vibrating mass one, and vibrating mass one can with calmly
The top of position air bag inner wall is in contact, and vibrating motor is connected by spring two with vibrating mass two, and vibrating mass two can be with positioning gas
The lower part of capsule inner wall is in contact, and the regulating and controlling mechanism regulated and controled to the air pressure in positioning gasbag is additionally provided on pedestal.
The operation principle of agitating device is as follows：Raw material is put by feed inlet in agitator, dynamic structure band is passed through
Turn shaft rotation is dynamic, and shaft drives mounting plate rotation, mounting plate to drive stirring blade rotation, and stirring blade is to the raw material in agitator
It is stirred；Lifter plate is driven to move up and down by mobile mechanism, lifter plate drives shaft to move up and down, and shaft drives mounting plate
It moves up and down, mounting plate drives positioning gasbag to move up and down, and positioning gasbag drives stirring blade to move up and down, and stirring blade can be right
The raw material of agitator upper, middle and lower is stirred, and control vibrating motor work, vibrating motor drives vibrating mass one and vibrating mass respectively
About two shakes can make the raw material on positioning gasbag top shake and the raw material of positioning gasbag lower part can be made to shake, meanwhile, pass through tune
Section mechanism regulates and controls the air pressure in positioning gasbag, so that the volume of positioning gasbag is increased or reduced, can make positioning gasbag top
Raw material flow up or also the raw material of positioning gasbag lower part can be made to flow downward, so as to which the raw material in agitator is quick
It stirs evenly, mixing effect is good.
The mobile mechanism includes push-rod electric machine, guide rail and sliding block, and guide rail is fixed on holder vertically, and sliding block setting is being led
On rail, push-rod electric machine is fixed on holder, and the push rod of push-rod electric machine is vertically arranged, the push rod end of push-rod electric machine and sliding block phase
Even, lifter plate is connected with sliding block.
When needing that sliding block is made to move up and down, the push rod for controlling push-rod electric machine moves up and down, and the push rod of push-rod electric machine drives
Sliding block is moved up and down along guide rod, and sliding block drives lifter plate to move up and down, so as to make lifter plate move up and down.
The guide rail both ends are further fixed on limited block.
Using the above structure, sliding block can be limited by limited block, limit is convenient.
The regulating and controlling mechanism includes the adjusting air bag and regulation and control plate of elasticity, adjusts air bag and is fixed on holder, and adjusts gas
Capsule is located at the surface of lifter plate, adjusts air bag and is connected with positioning gasbag by gas-guide tube, and regulation and control plate is fixed on lifter plate,
And regulation and control plate can be in contact with air bag lower part is adjusted.
Using the above structure, during lifter plate moves up and down, lifter plate drives adjustable plate to move up and down, adjustable plate
It is contacted repeatedly with adjusting air bag and it is squeezed, using the power above and below lifter plate, the volume of positioning gasbag can be made to increase
Or reduce, regulation and control are convenient.
It is additionally provided with barometric damper on the gas-guide tube.
Using the above structure, the air-flow in gas-guide tube can be adjusted by barometric damper, it is easy to adjust.
It is additionally provided with supplementary structure in the shaft, supplementary structure includes rotating bar and auxiliary block, rotating bar one end and is turned
Axis upper end is connected, and the rotating bar other end is connected with auxiliary block, has inclined work department in auxiliary block, and work department can be with adjusting
Air bag side is in contact.
Using the above structure, during shaft rotates, shaft drives rotating bar rotation, rotating bar that auxiliary block is driven to turn
Dynamic, auxiliary block is in contact repeatedly with air bag side is adjusted, and can exchange solar term capsule and carry out intermittent extruding.
The dynamic structure includes stepper motor, driving wheel, driven wheel and belt, and stepper motor is fixed on lifter plate,
Straight up, driving wheel is fixed on the output shaft end of stepper motor to the output shaft of stepper motor, and driven wheel is fixed in shaft
End, belt are set between driving wheel and driven wheel.
When needing that shaft is made to rotate, the output shaft rotation of stepper motor is controlled, the output shaft of stepper motor drives actively
Wheel rotation, driving wheel drive driven wheel to rotate by belt, and driven wheel drives shaft rotation, so as to make shaft rotate.
Controller, push-rod electric machine and stepper motor is further fixed on the pedestal by circuit to be connected with the controller.
Using the above structure, push-rod electric machine and stepper motor can control to act by controller, intelligence degree is high.
Compared with prior art, the production method of this crystal-silicon solar cell front side silver paste has the advantages that this：By weighing,
The operations such as stirring and rolling, so that it may realize the making to front side silver paste, it is easy to make.
Description of the drawings
Fig. 1 is the sectional view of agitating device.
Fig. 2 is the sectional view that agitating device removes part.
Fig. 3 is the dimensional structure diagram of auxiliary block in agitating device.
In figure, 1, pedestal；2, solenoid valve two；3, agitator；3a, feed inlet；3b, discharge port；4, gas-guide tube；5, shaft；
6, push-rod electric machine；7, holder；8, guide rail；9, sliding block；11, lifter plate；12, regulate and control plate；13, barometric damper；14, limited block；
15, air bag is adjusted；16, auxiliary block；16a, work department；17, rotating bar；18, driven wheel；19, belt；21, driving wheel；22, it walks
Stepper motor；23, solenoid valve one；24, positioning gasbag；25, connecting rod；26, vibrating motor；27, spring two；28, vibrating mass two；
29, mounting plate；31, spring one；32, vibrating mass one；33, stirring blade；34, controller.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
The production method of this crystal-silicon solar cell front side silver paste, includes the following steps：
A, by weight percentage, raw material is weighed：The flake silver powder of 75-85%, the inorganic binder of 2-10%, 5-15%
The additive of organic bond, the adhesion promoter of 0.1-0.5% and 1.5-6.5%；In the present embodiment, percentage by weight
Than weighing raw material：79% flake silver powder, 6% inorganic binder, 11% organic bond, 0.3% adhesive force promote
Agent and 3.7% additive；Inorganic binder, organic bond and adhesion promoter are existing using that can buy in the market
Product；
B, flake silver powder, inorganic binder and organic bond are put into togerther in agitating device and are stirred, stirred
After 6-20min, then adhesion promoter and additive are put into agitating device and are stirred, after stirring 4-10min, is made
The mixture of paste shape；In the present embodiment, flake silver powder, inorganic binder and organic bond are put into togerther stirring dress
It is stirred in setting, after stirring 12min, then adhesion promoter and additive is put into agitating device and are stirred, stirred
After mixing 6min, the mixture of paste shape is made；
C, mixture is put into three roll milling apparatus and carries out rolling, then through 300-400 mesh silk screen filters, you can obtained thin
Front side silver paste of the degree less than 5 μm；In the present embodiment, mixture is put into three roll milling apparatus and carries out rolling, then through 350 mesh
Silk screen filter, you can obtain the front side silver paste that fineness is 3 μm.
The average grain diameter of flake silver powder is 3-8 μm, and purity is more than 99.90%；In the present embodiment, flake silver powder is averaged
Grain size is 7 μm, purity 99.95%.
Auxiliary agent is one kind in dispersant, levelling agent, wetting agent, thixotropic agent and anti-settling agent；In the present embodiment, auxiliary agent is
Dispersant.
Mixing speed is 180-360rpm；In the present embodiment, mixing speed 220rpm.
As shown in Figure 1-Figure 3, the agitating device in step b includes pedestal 1, agitator 3 is fixed on pedestal 1, in this reality
It applies in example, is fixed with agitator 3 on pedestal 1 by bolted connection；3 top of agitator has feed inlet 3a, feed inlet
Solenoid valve 1 is provided at 3a, 3 lower part of agitator has discharge port 3b, solenoid valve 22, pedestal 1 are provided at discharge port 3b
On be fixed with holder 7, in the present embodiment, holder 7 is fixed on pedestal 1 by bolted connection；It is provided on holder 7
Lifter plate 11, lifter plate 11 can drive the mobile mechanism of lower movement to be thereon connected, shaft are vertically arranged on lifter plate 11 with one
5,5 upper end of shaft can drive its dynamic structure rotated to be connected with one, and 5 lower end of shaft is extend into agitator 3,5 lower end of shaft
Flexible positioning gasbag 24 is set, and in the present embodiment, positioning gasbag 24 is using the existing product that can be bought in the market；It is fixed
Position air bag 24 is in flat cuboid, and 24 outside of positioning gasbag has several stirring blades 33, in the present embodiment, paddle
The quantity of piece 33 is 20；24 inner horizontal of positioning gasbag is provided with mounting plate 29, the surrounding and positioning gasbag of mounting plate 29
24 inner wall is connected, and the middle part of mounting plate 29 is connected with 5 lower end of shaft, and in the present embodiment, the middle part of mounting plate 29 passes through weldering
The mode connect is connected with 5 lower end of shaft；There are several ventholes, in the present embodiment, the quantity of venthole is on mounting plate 29
Ten；Vibrating motor 26 is fixed with by connecting rod 25 on mounting plate 29, vibrating motor 26 is double shaft vibrating motors, vibration electricity
Machine 26 is connected by spring 1 with vibrating mass 1, and vibrating mass 1 can be in contact with the top of 24 inner wall of positioning gasbag,
Vibrating motor 26 is connected by spring 2 27 with vibrating mass 2 28, and vibrating mass 2 28 can be with the lower part phase of 24 inner wall of positioning gasbag
It contacts, the regulating and controlling mechanism regulated and controled to the air pressure in positioning gasbag 24 is additionally provided on pedestal 1.
Mobile mechanism includes push-rod electric machine 6, guide rail 8 and sliding block 9, and guide rail 8 is fixed on vertically on holder 7, in the present embodiment
In, guide rail 8 is fixed on holder 7 vertically by bolted connection；Sliding block 9 is arranged on guide rail 8, and push-rod electric machine 6 is fixed
On holder 7, in the present embodiment, push-rod electric machine 6 is fixed on by bolted connection on holder 7；Push-rod electric machine 6 pushes away
Bar is vertically arranged, and the push rod end of push-rod electric machine 6 is connected with sliding block 9, and lifter plate 11 is connected with sliding block 9.
8 both ends of guide rail are further fixed on limited block 14, and in the present embodiment, 8 both ends of guide rail are gone back by bolted connection
It is fixed with limited block 14；Using the structure, sliding block 9 can be limited by limited block 14, limit is convenient.
Regulating and controlling mechanism includes that the adjusting air bag 15 and regulation and control plate 12 of elasticity adjust air bag 15 and use city in the present embodiment
The existing product that can be bought on field；It adjusts air bag 15 to be fixed on holder 7, in the present embodiment, adjusts air bag 15 and pass through spiral shell
The mode connect is tethered to be fixed on holder 7；And the surface that air bag 15 is located at lifter plate 11 is adjusted, it adjusts air bag 15 and passes through air guide
Pipe 4 is connected with positioning gasbag 24, and regulation and control plate 12 is fixed on lifter plate 11, and in the present embodiment, regulation and control plate 12 passes through bolt
The mode of connection is fixed on lifter plate 11；And regulation and control plate 12 can be in contact with 15 lower part of air bag is adjusted.
Barometric damper 13 is additionally provided on gas-guide tube 4；It, can be to gas-guide tube 4 by barometric damper 13 using the structure
In air-flow be adjusted, it is easy to adjust.
Be additionally provided with supplementary structure in shaft 5, supplementary structure includes rotating bar 17 and auxiliary block 16,17 one end of rotating bar and
5 upper end of shaft is connected, and 17 other end of rotating bar is connected with auxiliary block 16, has inclined work department 16a, and work in auxiliary block 16
The portion 16a of work can be in contact with 15 side of air bag is adjusted, and in the present embodiment, rotating bar 17 is in horizontally disposed.
Dynamic structure includes stepper motor 22, driving wheel 21, driven wheel 18 and belt 19, and stepper motor 22 is fixed on lifting
On plate 11, in the present embodiment, stepper motor 22 is fixed on by bolted connection on lifter plate 11；Stepper motor 22
Straight up, driving wheel 21 is fixed on the output shaft end of stepper motor 22 to output shaft, and in the present embodiment, driving wheel 21 passes through
The mode of key connection is fixed on the output shaft end of stepper motor 22；Driven wheel 18 is fixed on 5 upper end of shaft, in the present embodiment
In, driven wheel 18 is fixed on 5 upper end of shaft by way of key connection；Belt 19 be set in driving wheel 21 and driven wheel 18 it
Between.
Be further fixed on pedestal 1 controller 34, push-rod electric machine 6 and stepper motor 22 by circuit with 34 phase of controller
Even, in the present embodiment, for controller 34 using the microcontroller that can be bought in the market, the program that microcontroller controls motor is existing
, program need not update；Using the structure, it can control push-rod electric machine 6 and stepper motor 22 dynamic by controller 34
Make, intelligence degree is high.
The operation principle of agitating device is as follows：Raw material is put by feed inlet 3a in agitator 3, stepper motor is controlled
22 output shaft drives driving wheel 21 to rotate, and driving wheel 21 drives driven wheel 18 to rotate by belt 19, and driven wheel 18 is with turn
Axis 5 rotates, and shaft 5 drives mounting plate 29 to rotate, and mounting plate 29 drives stirring blade 33 to rotate, and stirring blade 33 is to agitator 3
Interior raw material is stirred；The push rod band movable slider 9 for controlling push-rod electric machine 6 is moved up and down along guide rod, and sliding block 9 drives lifter plate
11 move up and down, and lifter plate 11 drives shaft 5 to move up and down, and shaft 5 drives mounting plate 29 to move up and down, and mounting plate 29 drives fixed
Position air bag 24 moves up and down, and positioning gasbag 24 drives stirring blade 33 to move up and down, and stirring blade 33 is to 3 upper, middle and lower of agitator
Raw material is stirred；The drive rotating bar 17 of shaft 5 rotates, and rotating bar 17 drives auxiliary block 16 to rotate, auxiliary block 16 and adjusting gas
15 side of capsule is in contact repeatedly, exchanges solar term capsule 15 and carries out intermittent extruding；It controls vibrating motor 26 to work, vibrating motor 26 divides
Not Dai Dong vibrating mass 1 and about 2 28 vibrating mass shake, so that the raw material on 24 top of positioning gasbag is shaken and make positioning gasbag 24
The raw material of lower part is shaken, meanwhile, lifter plate 11 drives adjustable plate to move up and down, and adjustable plate contacts and right repeatedly with adjusting air bag 15
It is squeezed, and using the power of about 11 lifter plate, the volume of positioning gasbag 24 is made to increase or reduce, can be made positioning gasbag 24
The raw material on top flows up or the raw material of 24 lower part of positioning gasbag can also be made to flow downward, and the raw material in agitator 3 is fast
Speed stirs evenly, and mixing effect is good.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of production method of crystal-silicon solar cell front side silver paste, which is characterized in that include the following steps：
A, by weight percentage, raw material is weighed：The flake silver powder of 75-85%, the inorganic binder of 2-10%, 5-15% it is organic
The additive of adhesive, the adhesion promoter of 0.1-0.5% and 1.5-6.5%；
B, flake silver powder, inorganic binder and organic bond are put into togerther in agitating device and are stirred, stir 6-
After 20min, then adhesion promoter and additive are put into agitating device and are stirred, after stirring 4-10min, is made thick
The mixture of paste；
C, mixture is put into three roll milling apparatus and carries out rolling, then through 300-400 mesh silk screen filters, you can it is small to obtain fineness
In 5 μm of front side silver paste.
2. the production method of crystal-silicon solar cell front side silver paste according to claim 1, which is characterized in that the sheet
The average grain diameter of silver powder is 3-8 μm, and purity is more than 99.90%.
3. the production method of crystal-silicon solar cell front side silver paste according to claim 1, which is characterized in that the auxiliary agent
For one kind in dispersant, levelling agent, wetting agent, thixotropic agent and anti-settling agent.
4. the production method of crystal-silicon solar cell front side silver paste according to claim 1, which is characterized in that the stirring
Speed is 180-360rpm.
5. the production method of crystal-silicon solar cell front side silver paste according to claim 1, which is characterized in that the step
Agitating device in b includes pedestal, and agitator is fixed on the pedestal, and agitator top has feed inlet, set at feed inlet
It is equipped with solenoid valve one, there is discharge port, discharge outlet to be provided with solenoid valve two, holder is fixed on pedestal for agitator lower part, prop up
Lifter plate is provided on frame, lifter plate can drive the mobile mechanism of lower movement to be thereon connected, is vertically arranged on lifter plate with one
Shaft, shaft upper end can drive its dynamic structure rotated to be connected with one, and shaft lower end is extend into agitator, and shaft lower end is set
Flexible positioning gasbag is set, positioning gasbag is in flat cuboid, has several stirring blades, positioning outside positioning gasbag
Inside air bag is horizontally disposed to have mounting plate, the surrounding of mounting plate to be connected with the inner wall of positioning gasbag, the middle part of mounting plate and shaft
Lower end is connected, and has several ventholes on mounting plate, has been fixed by the connecting rod vibrating motor on mounting plate, vibrating motor is double
Shaft vibrating motor, vibrating motor are connected by spring one with vibrating mass one, and vibrating mass one can be upper with positioning gasbag inner wall
Portion is in contact, and vibrating motor is connected by spring two with vibrating mass two, and vibrating mass two can be with the lower part phase of positioning gasbag inner wall
It contacts, the regulating and controlling mechanism regulated and controled to the air pressure in positioning gasbag is additionally provided on pedestal.
6. the production method of crystal-silicon solar cell front side silver paste according to claim 5, which is characterized in that the movement
Mechanism includes push-rod electric machine, guide rail and sliding block, and guide rail is fixed on holder vertically, and sliding block is arranged on guide rail, and push-rod electric machine is solid
It is scheduled on holder, the push rod of push-rod electric machine is vertically arranged, and the push rod end of push-rod electric machine is connected with sliding block, lifter plate and sliding block phase
Even.
7. the production method of crystal-silicon solar cell front side silver paste according to claim 5, which is characterized in that the regulation and control
Mechanism includes the adjusting air bag and regulation and control plate of elasticity, adjusts air bag and is fixed on holder, and adjusts air bag and be located at lifter plate just
Top adjusts air bag and is connected with positioning gasbag by gas-guide tube, and regulation and control plate is fixed on lifter plate, and regulating and controlling plate can be with adjusting
Air bag lower part is in contact.
8. the production method of crystal-silicon solar cell front side silver paste according to claim 1, which is characterized in that the air guide
Barometric damper is additionally provided on pipe.
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| CN201810281996.6A CN108538433A (en) | 2018-04-02 | 2018-04-02 | A kind of production method of crystal-silicon solar cell front side silver paste |
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| CN201810281996.6A CN108538433A (en) | 2018-04-02 | 2018-04-02 | A kind of production method of crystal-silicon solar cell front side silver paste |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903419A (en) * | 2012-09-27 | 2013-01-30 | 广州市儒兴科技开发有限公司 | Silver paste at front of crystalline silicon solar cell |
| CN102903421A (en) * | 2012-08-22 | 2013-01-30 | 广州市儒兴科技开发有限公司 | Crystalline silicon solar cell back side silver slurry with low silver content and preparation method thereof |
| CN103617824A (en) * | 2013-12-06 | 2014-03-05 | 苏州柏特瑞新材料有限公司 | High-adhesive-force solar cell front silver paste and preparation method thereof |
| CN106601328A (en) * | 2016-12-21 | 2017-04-26 | 北京市合众创能光电技术有限公司 | Positive silver paste of crystalline silicon solar cell laminated printing and preparation method thereof |
-
2018
- 2018-04-02 CN CN201810281996.6A patent/CN108538433A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903421A (en) * | 2012-08-22 | 2013-01-30 | 广州市儒兴科技开发有限公司 | Crystalline silicon solar cell back side silver slurry with low silver content and preparation method thereof |
| CN102903419A (en) * | 2012-09-27 | 2013-01-30 | 广州市儒兴科技开发有限公司 | Silver paste at front of crystalline silicon solar cell |
| CN103617824A (en) * | 2013-12-06 | 2014-03-05 | 苏州柏特瑞新材料有限公司 | High-adhesive-force solar cell front silver paste and preparation method thereof |
| CN106601328A (en) * | 2016-12-21 | 2017-04-26 | 北京市合众创能光电技术有限公司 | Positive silver paste of crystalline silicon solar cell laminated printing and preparation method thereof |
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