CN108511106A - Mix the high-tensile strength solar cell front side silver paste and preparation method thereof of tellurides - Google Patents
Mix the high-tensile strength solar cell front side silver paste and preparation method thereof of tellurides Download PDFInfo
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- CN108511106A CN108511106A CN201810168536.2A CN201810168536A CN108511106A CN 108511106 A CN108511106 A CN 108511106A CN 201810168536 A CN201810168536 A CN 201810168536A CN 108511106 A CN108511106 A CN 108511106A
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- tellurides
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- silver paste
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 38
- 239000004332 silver Substances 0.000 title claims abstract description 38
- 150000004772 tellurides Chemical class 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 239000011521 glass Substances 0.000 claims abstract description 25
- 239000011230 binding agent Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000006185 dispersion Substances 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 11
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical group [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 claims description 11
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- 229910052681 coesite Inorganic materials 0.000 claims description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 229910052682 stishovite Inorganic materials 0.000 claims description 7
- 229910052905 tridymite Inorganic materials 0.000 claims description 7
- 229910003069 TeO2 Inorganic materials 0.000 claims description 5
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- IDQBJILTOGBZCR-UHFFFAOYSA-N 1-butoxypropan-1-ol Chemical compound CCCCOC(O)CC IDQBJILTOGBZCR-UHFFFAOYSA-N 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- YRXWPCFZBSHSAU-UHFFFAOYSA-N [Ag].[Ag].[Te] Chemical compound [Ag].[Ag].[Te] YRXWPCFZBSHSAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- 239000010703 silicon Substances 0.000 abstract description 8
- 229910052710 silicon Inorganic materials 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- 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
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
Abstract
The present invention relates to a kind of solar cell front side silver pastes, and it discloses a kind of high-tensile strength solar cell front side silver pastes and preparation method thereof for mixing tellurides, and the composition and weight percentage of the silver paste are：Tellurides 0~5%, silver powder 88~91%, organic binder 5~15%, glass powder 1~3%.The present invention improves slurry and is soaked with Si and the matching of surface tension, improve the adhesive force of solar energy front side silver paste material and silicon chip by mixing the method for tellurides.
Description
Technical field
The present invention relates to a kind of solar cell front side silver pastes, and in particular to a kind of high-tensile strength solar-electricity for mixing tellurides
Pond front side silver paste and preparation method thereof.
Background technology
Currently, solar battery efficiency is continuously improved, realize that par online is the mesh that photovoltaic industry with keen competition is pursued
Mark.The mainstream thinking that commercialization improves photoelectric conversion efficiency is the diffused sheet resistance that the close grid of shallow junction improve cell piece, increases printing
The quantity and reduction main grid width of grid line, reduce shading-area, reach and put forward efficient purpose.
The electrode on crystal silicon solar energy battery surface mainly has backplate and positive silver electrode, these electrodes are usually by leading
Electric silver paste is printed on silicon chip surface by the way of silk-screen printing and is formed.
Front side silver paste prints out the grid line with more preferable depth-width ratio after high-resolution silk-screen printing, reduces solar energy
The shading-area of battery surface, and the series resistance of inside battery can be reduced, the internal power consumption of photogenerated current is reduced,
It finally can effectively improve the photoelectric conversion efficiency of solar cell；This requires the printing of front side silver paste higher and higher.
In addition, by increasing the quantity of grid line and reducing the width of main grid, the shading-area of battery surface is reduced, reduction connects
It gets an electric shock and hinders, improve electric current, can achieve the purpose that improve solar battery efficiency.
In general, reducing the line width of grid line, improving depth-width ratio, adjustment glass powder formula is the more direction of current research,
But requirement of the battery manufacturer to battery reliability is met by the research of additive, also study considerably less of the country or is not reached
To obvious action.
Invention content
The purpose of the present invention is to provide a kind of high-tensile strength solar cell front side silver paste for mixing tellurides, the front side silver pastes
To be mainly characterized by be method by mixing tellurides, improve slurry and soaked with Si and the matching of surface tension, improved too
The adhesive force of positive energy front side silver paste material and silicon chip.Specific technical solution is as follows：
A kind of high-tensile strength solar cell front side silver paste for mixing tellurides, the composition and weight percentage of the silver paste are：
Tellurides 0~5%, silver powder 88~91%, organic binder 5~15%, glass powder 1~3%.
The sum of mass percent of above-mentioned each raw material is 100%.
The tellurides is in telluride magnesium, telluride calcium, lead telluride, bismuth telluride, zinc telluridse, telluride titanium, telluride chromium, silver telluride
One or more of combinations, be in terms of 100% by the gross mass of the tellurides.
The silver powder be micron spherical silver powder and nano-silver powder, weight percent be 85%~99% micro-silver powder, 1%~
15% nano-silver powder.
The composition and its mass percentage content of the organic binder be：10~20% high molecular polymers and 80~
90% organic solvent, wherein high molecular polymer is that low fever loses residual, and the big polymer of viscoelastic modulus, organic solvent is fourth
At least two in base carbitol, terpinol, tributyl citrate, propandiol butyl ether.
The glass powder is raw material composition and its mass percentage content is：1~10% B2O3, 0~5% Cr2O3、
20~60% PbO, 0~10% SiO2, 50~80% TeO2With 0~20% Bi2O3, obtain grain size D50 through processing and exist
0.5~2 micron of glass powder binder.
Above-mentioned feedstock processing process is as follows：The above-mentioned raw materials weighed up are uniformly mixed and are placed on high temperature Muffle furnace heating,
At 800~1200 DEG C, soaking time is 40~60 minutes, then the glass powder particle after fusing is used ionized water for temperature control
After quenching, ball milling 2.5~10 hours is sieved through sieve, obtains spare less than 2 microns of glass powder binder to grain size D50.
The preparation process of slurry is as follows：
A kind of preparation method of high-tensile strength solar cell front side silver paste that mixing tellurides, includes the following steps：
Step 1, organic binder, 1~3% glass for weighing 0~5% tellurides, 5~15% that account for raw material gross mass
Powder mixes, and using dispersion machine under 300-500rpm rotating speeds, disperses 1~10min；
Step 2, dispersion after, add 88~91% silver powder, using dispersion machine under 800-1000rpm rotating speeds, dispersion 1
Then~10min is ground 3-8 times on three-roll grinder；
After step 3, grinding, the organic solvent for accounting for raw material total amount 1-3% is added, using high speed dispersor, disperses 5-
20min is uniformly dispersed, for use.
In above-mentioned preparation method, the silver powder be micron spherical silver powder and nano-silver powder mixing silver powder, proportioning according to
Weight percent is calculated as：85%~99% micro-silver powder, 1%~15% nano-silver powder.
The beneficial effects of the invention are as follows：
First, a kind of high-tensile strength solar cell front side silver paste and preparation method thereof for mixing tellurides of the invention, in silver
Containing weight percent it is 0~5% tellurides in slurry, so that the adhesive force of slurry is obviously improved.The present invention
It is reduced by using the alloy of tellurides, thermal conductivity characteristic to improve the wetability and surface tension of slurry and silicon substrate
The series resistance of slurry improves the adhesive force of slurry and cell piece.
Second, a kind of high-tensile strength solar cell front side silver paste and preparation method thereof for mixing tellurides of the invention, for
The new demand that solar energy front side silver paste is proposed under the technological trend that current solar cell main grid quantity increases and width reduces,
It solves the adhesion problem between slurry and silicon chip well by adding tellurides, is formed simultaneously the front of good ohmic contact
Silver paste reduces silver and silicon contact resistance and line resistance, is conducive to the photoelectric conversion efficiency for improving crystal silicon solar energy battery.
Specific implementation mode
With reference to embodiment, the specific embodiment of the present invention is further described.Following embodiment is only used for more
Add and clearly demonstrate technical scheme of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1：
The preparation of glass powder：3 parts of B is weighed by mass parts2O3, 2 parts of SiO2, 5 parts of Bi2O3, 2 parts of Cr2O3, 35 parts
PbO and 53 part of TeO2, it is uniformly mixed with batch mixer, is packed into porcelain crucible, is put into Muffle furnace, in 800 DEG C, soaking time：60
Minute, by the glass powder particle after fusing using after ion water quenching, ball milling 2.5 hours is sieved through sieve, obtains grain size
D50 is less than 2 microns of glass binder.
The preparation of organic binder：After the 90 parts of mixing of 10 parts of macromolecule copolymer resin and organic solvent being weighed by mass parts
Disperse 50~70min on big dispersion machine, dispersing and dissolving obtains transparent, uniform organic bond.
Prepare cell front side silver paste：Mixing silver powder weight percent be 85% micro-silver powder, 15% nano-silver powder；By matter
Amount part, which weighs, mixes 88 parts of silver powder, 3 parts of glass powder, 8 parts of organic binder, 1 part of tellurides, after mixing using dispersion machine,
It is ground to 10 microns of front side silver pastes below with three-roll grinder.
Wherein, the concrete operations flow for being mixed using dispersion machine and being ground using three-roll grinder is：First by telluride
Object, organic binder, glass powder mix in dispersion machine, under 400rpm rotating speeds, disperse 5min；After dispersion, mixing is added
Silver powder disperses 10min, is then ground 6 times on three-roll grinder under 1000rpm rotating speeds；After grinding, it is total that addition accounts for raw material
The organic solvent for measuring 1-3% is disperseed 15min, is uniformly dispersed, for use using high speed dispersor.
Using above-mentioned preparation method prepare sample front side silver paste, by 360 mesh be screen printed onto specification 125mm ×
Electrode film is formed on the monocrystalline silicon piece of 125mm, 0.9 micron of main grid width is sintered, 780 DEG C of peak temperature into Muffle furnace.After sintering
Testing its electrical data is：Short circuit current 8A, open-circuit voltage 650mv, photoelectric conversion efficiency 18.2%, testing its welding pulling force is
3.0N。
Embodiment 2：
The preparation of glass powder：5 parts of B is weighed by mass parts2O3, 2 parts of SiO2, 10 parts of Bi2O3, 3 parts of Cr2O3、30
PbO and 53 part of the TeO of part2；
The preparation of organic binder：The 85 parts of mixing of 15 parts of macromolecule copolymer resin and organic solvent are weighed by mass parts,
Disperse 50~70min on big dispersion machine, obtains transparent, uniform organic bond；
Prepare cell front side silver paste：Mixing silver powder is weight percentage as the nano-silver powder of 90% micro-silver powder, 10%；It presses
Mass parts weigh 89 parts of silver powder of mixing, 1 part of glass powder, 8.5 parts of organic binder, 1.5 parts of tellurides；
Related preparation process is the same as embodiment 1.
Embodiment 3：
The preparation of glass powder：6 parts of B is weighed by mass parts2O3, 0.5 part of SiO2, 6 parts of Bi2O3, 4 parts of Cr2O3、20
PbO and 63.5 part of the TeO of part2；
The preparation of organic binder：After the 87 parts of mixing of 13 parts of macromolecule copolymer resin and organic solvent being weighed by mass parts
Disperse 50~70min on big dispersion machine, obtains transparent, uniform organic bond；
Prepare cell front side silver paste：Mixing silver powder is weight percentage as the nano-silver powder of 90% micro-silver powder, 10%；It presses
Mass parts weigh 88 parts of silver powder of mixing, 1.5 parts of glass powder, 7.5 parts of organic binder, 3 parts of tellurides；
Related preparation process is the same as embodiment 1.
Embodiment 4：
The preparation of glass powder：3 parts of B is weighed by mass parts2O3, 0.5 part of SiO2, 5 parts of Bi2O3, 1.5 parts of Cr2O3、
20 parts of PbO and 70 part of TeO2；
The preparation of organic binder：The 80 parts of mixing of 20 parts of macromolecule copolymer resin and organic solvent are weighed by mass parts
Afterwards, 50~70min is disperseed on dispersion machine, obtains transparent, uniform organic bond；
Prepare cell front side silver paste：Mixing silver powder is weight percentage as the nano-silver powder of 98% micro-silver powder, 2%；It presses
Mass parts weigh 88.5 parts of silver powder of mixing, 1 part of glass powder, 8.7 parts of organic binder, 1.8 parts of tellurides；
Related preparation process is the same as embodiment 1.
Embodiment 5：
The preparation of glass powder：4 parts of B is weighed by mass parts2O3, 0.5 part of SiO2, 9 parts of Bi2O3, 1.5 parts of Cr2O3、
35 parts of PbO and 50 part of TeO2；
The preparation of organic binder：The 82 parts of mixing of 18 parts of macromolecule copolymer resin and organic solvent are weighed by mass parts
Afterwards, 50~70min is disperseed on dispersion machine, obtains transparent, uniform organic bond；
Prepare cell front side silver paste：Mixing silver powder is weight percentage as the nano-silver powder of 95% micro-silver powder, 5%；It presses
Mass parts weigh 90 parts of silver powder of mixing, 1 part of glass powder, 7.5 parts of organic binder, 1.5 parts of tellurides；
Related preparation process is the same as embodiment 1.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of high-tensile strength solar cell front side silver paste for mixing tellurides, which is characterized in that the composition and weight hundred of the silver paste
Point content is：Tellurides 0~5%, silver powder 88~91%, organic binder 5~15%, glass powder 1~3%.
2. a kind of high-tensile strength solar cell front side silver paste for mixing tellurides according to claim 1, which is characterized in that institute
It is telluride magnesium, telluride calcium, lead telluride, bismuth telluride, zinc telluridse, telluride titanium, telluride chromium, one kind in silver telluride or several to state tellurides
The combination of kind is in terms of 100% by the gross mass of the tellurides.
3. a kind of high-tensile strength solar cell front side silver paste for mixing tellurides according to claim 1, it is characterised in that：Institute
State silver powder be micron spherical silver powder and nano-silver powder, weight percent be 85%~99% micro-silver powder, 1%~15% nanometer
Silver powder.
4. a kind of high-tensile strength solar cell front side silver paste for mixing tellurides according to claim 1, which is characterized in that institute
The composition and its mass percentage content for stating organic binder be：10~20% high molecular polymers and 80~90% organic molten
Agent, wherein organic solvent is at least two in butyl carbitol, terpinol, tributyl citrate, propandiol butyl ether.
5. a kind of high-tensile strength solar cell front side silver paste for mixing tellurides according to claim 1, which is characterized in that institute
It is that raw material forms and its mass percentage content is to state glass powder：1~10% B2O3, 0~5% Cr2O3, 20~60%
PbO, 0~10% SiO2, 50~80% TeO2With 0~20% Bi2O3, grain size D50 is obtained at 0.5~2 micron through processing
Glass powder binder.
6. a kind of system of high-tensile strength solar cell front side silver paste for mixing tellurides as described in any one of claim 1 to 5
Preparation Method, which is characterized in that include the following steps：
Step 1, the organic binder for weighing 0~5% tellurides, 5~15% that account for raw material gross mass, 1~3% glass powder are mixed
It closes, using dispersion machine under 300-500rpm rotating speeds, disperses 1~10min；
Step 2, dispersion after, add 88~91% silver powder, using dispersion machine under 800-1000rpm rotating speeds, dispersion 1~
Then 10min is ground 3-8 times on three-roll grinder；
After step 3, grinding, the organic solvent for accounting for raw material total amount 1-3% is added, using high speed dispersor, disperses 5-20min, point
It dissipates uniformly, for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168536.2A CN108511106A (en) | 2018-02-28 | 2018-02-28 | Mix the high-tensile strength solar cell front side silver paste and preparation method thereof of tellurides |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810168536.2A CN108511106A (en) | 2018-02-28 | 2018-02-28 | Mix the high-tensile strength solar cell front side silver paste and preparation method thereof of tellurides |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979640A (en) * | 2019-04-11 | 2019-07-05 | 南京苏煜新能源科技有限公司 | A kind of solar cell front side silver paste and preparation method thereof |
| CN112786232A (en) * | 2019-11-11 | 2021-05-11 | 江西佳银科技有限公司 | N-type solar cell silver paste doped with organic gallium and preparation method thereof |
| CN112786233A (en) * | 2019-11-11 | 2021-05-11 | 江西佳银科技有限公司 | High-activity low-series-resistance N-type solar cell silver paste and preparation method thereof |
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| CN105845198A (en) * | 2016-05-16 | 2016-08-10 | 南通天盛新能源股份有限公司 | Solar cell front side silver slurry doped with modified graphene and manufacture method therefor |
| CN106816203A (en) * | 2017-03-20 | 2017-06-09 | 北京市合众创能光电技术有限公司 | Crystal silicon solar energy battery high-tensile strength positive silver paste and preparation method thereof |
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