CN107331438A - A kind of environment protection solar cell front electrode conductor paste and preparation method thereof - Google Patents
A kind of environment protection solar cell front electrode conductor paste and preparation method thereof Download PDFInfo
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- CN107331438A CN107331438A CN201710763299.XA CN201710763299A CN107331438A CN 107331438 A CN107331438 A CN 107331438A CN 201710763299 A CN201710763299 A CN 201710763299A CN 107331438 A CN107331438 A CN 107331438A
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- silver
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 34
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000005300 metallic glass Substances 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 10
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 7
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 7
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 6
- 238000005984 hydrogenation reaction Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 235000004443 Ricinus communis Nutrition 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 3
- 235000019438 castor oil Nutrition 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- FPHIOHCCQGUGKU-UHFFFAOYSA-L difluorolead Chemical compound F[Pb]F FPHIOHCCQGUGKU-UHFFFAOYSA-L 0.000 claims description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000008159 sesame oil Substances 0.000 claims description 3
- 235000011803 sesame oil Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 3
- 239000012279 sodium borohydride Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000007639 printing Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000003989 dielectric material Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000002904 solvent Substances 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
- H01B1/20—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
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a kind of environment protection solar cell front electrode conductor paste, including：50% 65% nano-silver powders, 5% 8% ATBCs, 12% 20% butyl carbitol acetate, 1% 5% rilanit special, 2% 15% ethyl cellulose and 5% inorganic bond；Preparation method includes preparing nano-silver powder, prepares glassy metal powder, prepares fixed powder.The slurry that the present invention is prepared conducts electricity very well, and adhesive ability is strong, and printing performance is good, with low cost, and the conductor paste has the compatibility with baseplate material, dielectric material, is conducive to environmental protection.
Description
Technical field
The present invention relates to solar cell preparing technical field, particularly a kind of environment protection solar cell front electrode is led
Somaplasm material and preparation method thereof.
Background technology
At present, with the quickening of world energy consumption speedup, non-renewable energy resources have been gradually decreased, and the mankind are entering
In sector-style energy, water energy, the quick exploitation of nuclear energy and solar energy, wherein developing environmental protection the most, effectively and money especially with solar energy
Source is abundant, and crystal silicon solar photoelectricity development of projects main at present is the rapidest.Wherein, the front electrode slurry of application is main
Composition includes function phase silver powder, inorganic binder (such as glass powder, oxide powder, organic binder bond, other solvents
And additive.There are 2 shortcomings in the silver powder that current this front electrode slurry is taken, one is to use micro silver powder more, i.e., silver-colored
Powder is generally micro nanometer silver powder, and the slurry fineness being made is larger, coarse, causes the film layer in printing process thicker, and compactness is not
It is good, produce hole, printing performance is bad, and then influence electric conductivity, two be that silver powder content is higher, to the consumption of noble silver compared with
Greatly, so that crystal silicon solar photovoltaic device industrial production cost is increased.
The content of the invention
Led it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of environment protection solar cell front electrode
Somaplasm material and preparation method thereof, the slurry that the application is prepared conducts electricity very well, and adhesive ability is strong, and printing performance is good, and cost is low
It is honest and clean, and the conductor paste has the compatibility with baseplate material, dielectric material, is conducive to environmental protection.
The purpose of the present invention is achieved through the following technical solutions：
A kind of environment protection solar cell front electrode conductor paste, is prepared from by the raw material of following mass ratio：
50%-65% nano-silver powders, 5%-8% ATBCs, 12%-20% butyl carbitol acetate, 1%-5% hydrogenation castor
Sesame oil, 2%-15% ethyl cellulose and 5% inorganic bond.
Further, in the preferred embodiment of the invention, the inorganic bond includes 10%-30% B203、20%-
40% Bi2O3, 5%-15% SiO2, 10%-15% Al2O3, 5%-10% ZnO, 1%-3% PbF2。
A kind of preparation method of environment protection solar cell front electrode conductor paste, comprises the following steps：
S1, prepare nano-silver powder：By 0.1-0.5mmol/L silver nitrate solution and 1-3mmol/L PVAC polyvinylalcohol solution,
Be slowly dropped to successively in 10-30mmol/L sodium borohydride solutions, at the same carry out stirring in water bath, temperature control at 20-70 DEG C, from
The heart is separated with after ethanol cleaning, and nano-silver powder of the particle diameter in 10nm-100nm is obtained under 40-50 DEG C of low-temperature negative-pressure；
S2, prepare glassy metal powder：The raw material that the preparation of inorganic bond weighs configuration inorganic bond by formula rate is mixed
After uniform, it is placed in 45-155 DEG C of baking oven and dries 1.5-2.5h；Then at a temperature of 1,000 1400 DEG C melting O.5-1.2h,
Dried after water quenching, then ball milling 3-6h, dry the glassy metal powder for obtaining that average grain diameter is below 10mm；
S3, the fixed powder of preparation：By nano-silver powder, glassy metal powder, ATBC, butyl carbitol acetate, hydrogenation
Castor oil, ethyl cellulose are sufficiently mixed in proportion, after being sufficiently stirred in water-bath, are dried spheroidal graphite 3-6h again, that is, are obtained institute
Need slurry.
Further, in the preferred embodiment of the invention, silver conductive paste is 50%-65% Nano Silvers by mass percentage
The inorganic bond of powder, 35%-40% organic bond and 5%-10%, it is well mixed after rolled by grinder after slurry three times i.e.
.
The beneficial effects of the invention are as follows：
The slurry that the present invention is prepared conducts electricity very well, and adhesive ability is strong, and printing performance is good, with low cost, and the conductor paste
With the compatibility with baseplate material, dielectric material, be conducive to environmental protection.
Brief description of the drawings
Fig. 1 is process chart of the invention.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that, in the case where not conflicting, following examples and implementation
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, then in schema only display with relevant component in the present invention rather than according to component count, shape and the size during actual implement
Draw, it is actual when implementing, and kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
A kind of environment protection solar cell front electrode conductor paste, is prepared from by the raw material of following mass ratio：
50%-65% nano-silver powders, 5%-8% ATBCs, 12%-20% butyl carbitol acetate, 1%-5% hydrogenation castor
Sesame oil, 2%-15% ethyl cellulose and 5% inorganic bond.
Further, in the preferred embodiment of the invention, the inorganic bond includes 10%-30% B203、20%-
40% Bi2O3, 5%-15% SiO2, 10%-15% Al2O3, 5%-10% ZnO, 1%-3% PbF2。
A kind of preparation method of environment protection solar cell front electrode conductor paste, is referred to shown in accompanying drawing 1, including with
Lower step：
S1, prepare nano-silver powder：By 0.1-0.5mmol/L silver nitrate solution and 1-3mmol/L PVAC polyvinylalcohol solution,
Be slowly dropped to successively in 10-30mmol/L sodium borohydride solutions, at the same carry out stirring in water bath, temperature control at 20-70 DEG C, from
The heart is separated with after ethanol cleaning, and nano-silver powder of the particle diameter in 10nm-100nm is obtained under 40-50 DEG C of low-temperature negative-pressure；
S2, prepare glassy metal powder：The raw material that the preparation of inorganic bond weighs configuration inorganic bond by formula rate is mixed
After uniform, it is placed in 45-155 DEG C of baking oven and dries 1.5-2.5h；Then at a temperature of 1,000 1400 DEG C melting O.5-1.2h,
Dried after water quenching, then ball milling 3-6h, dry the glassy metal powder for obtaining that average grain diameter is below 10mm；
S3, the fixed powder of preparation：By nano-silver powder, glassy metal powder, ATBC, butyl carbitol acetate, hydrogenation
Castor oil, ethyl cellulose are sufficiently mixed in proportion, after being sufficiently stirred in water-bath, are dried spheroidal graphite 3-6h again, that is, are obtained institute
Need slurry.
Further, in the preferred embodiment of the invention, silver conductive paste is 50%-65% Nano Silvers by mass percentage
The inorganic bond of powder, 35%-40% organic bond and 5%-10%, it is well mixed after rolled by grinder after slurry three times i.e.
.
Embodiment described above only expresses the embodiment of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (4)
1. a kind of environment protection solar cell front electrode conductor paste, it is characterised in that prepared by the raw material of following mass ratio
Form：
50%-65% nano-silver powders, 5%-8% ATBCs, 12%-20% butyl carbitol acetate, 1%-5% hydrogenation castor
Sesame oil, 2%-15% ethyl cellulose and 5% inorganic bond.
2. a kind of environment protection solar cell front electrode conductor paste according to claim 1, it is characterised in that the nothing
Machine adhesive includes 10%-30% B203, 20%-40% Bi2O3, 5%-15% SiO2, 10%-15% Al2O3, 5%-10%
ZnO, 1%-3% PbF2。
3. a kind of preparation method of environment protection solar cell front electrode conductor paste, it is characterised in that comprise the following steps：
S1, prepare nano-silver powder：By 0.1-0.5mmol/L silver nitrate solution and 1-3mmol/L PVAC polyvinylalcohol solution,
Be slowly dropped to successively in 10-30mmol/L sodium borohydride solutions, at the same carry out stirring in water bath, temperature control at 20-70 DEG C, from
The heart is separated with after ethanol cleaning, and nano-silver powder of the particle diameter in 10nm-100nm is obtained under 40-50 DEG C of low-temperature negative-pressure；
S2, prepare glassy metal powder：The raw material that the preparation of inorganic bond weighs configuration inorganic bond by formula rate is mixed
After uniform, it is placed in 45-155 DEG C of baking oven and dries 1.5-2.5h；Then at a temperature of 1,000 1400 DEG C melting O.5-1.2h,
Dried after water quenching, then ball milling 3-6h, dry the glassy metal powder for obtaining that average grain diameter is below 10mm；
S3, the fixed powder of preparation：By nano-silver powder, glassy metal powder, ATBC, butyl carbitol acetate, hydrogenation
Castor oil, ethyl cellulose are sufficiently mixed in proportion, after being sufficiently stirred in water-bath, are dried spheroidal graphite 3-6h again, that is, are obtained institute
Need slurry.
4. a kind of preparation method of environment protection solar cell front electrode conductor paste, its feature according to claim 3
It is, silver conductive paste is the nothing of 50%-65% nano-silver powders, 35%-40% organic bond and 5%-10% by mass percentage
Machine adhesive, it is well mixed after slurry three times is rolled by grinder after produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763299.XA CN107331438A (en) | 2017-08-30 | 2017-08-30 | A kind of environment protection solar cell front electrode conductor paste and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763299.XA CN107331438A (en) | 2017-08-30 | 2017-08-30 | A kind of environment protection solar cell front electrode conductor paste and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107331438A true CN107331438A (en) | 2017-11-07 |
Family
ID=60204044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763299.XA Pending CN107331438A (en) | 2017-08-30 | 2017-08-30 | A kind of environment protection solar cell front electrode conductor paste and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091921A (en) * | 2019-12-27 | 2020-05-01 | 广东爱旭科技有限公司 | Positive silver auxiliary grid slurry of PERC battery and preparation method thereof |
| CN112420239A (en) * | 2019-11-07 | 2021-02-26 | 陕西彩虹新材料有限公司 | Preparation method of nano low-silver efficient front silver conductor slurry for crystalline silicon solar |
| CN113299422A (en) * | 2021-05-07 | 2021-08-24 | 江西师范大学 | Crystalline silicon solar cell front silver paste and preparation method thereof |
| CN116246817A (en) * | 2023-03-03 | 2023-06-09 | 北京中科纳通电子技术有限公司 | Nickel-carbon silver paste and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000250A (en) * | 2012-11-07 | 2013-03-27 | 宁波广博纳米新材料股份有限公司 | Back silver paste for low-silver-content crystalline silicon solar battery and preparation method thereof |
| CN104282357A (en) * | 2014-09-28 | 2015-01-14 | 彩虹集团电子股份有限公司 | Preparation method of nanometer low-silver-content back silver conductor paste for crystalline silicon solar application |
| CN106297955A (en) * | 2016-09-30 | 2017-01-04 | 天津宝兴威科技有限公司 | A kind of nano silver conductive paste |
-
2017
- 2017-08-30 CN CN201710763299.XA patent/CN107331438A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103000250A (en) * | 2012-11-07 | 2013-03-27 | 宁波广博纳米新材料股份有限公司 | Back silver paste for low-silver-content crystalline silicon solar battery and preparation method thereof |
| CN104282357A (en) * | 2014-09-28 | 2015-01-14 | 彩虹集团电子股份有限公司 | Preparation method of nanometer low-silver-content back silver conductor paste for crystalline silicon solar application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112420239A (en) * | 2019-11-07 | 2021-02-26 | 陕西彩虹新材料有限公司 | Preparation method of nano low-silver efficient front silver conductor slurry for crystalline silicon solar |
| CN111091921A (en) * | 2019-12-27 | 2020-05-01 | 广东爱旭科技有限公司 | Positive silver auxiliary grid slurry of PERC battery and preparation method thereof |
| CN113299422A (en) * | 2021-05-07 | 2021-08-24 | 江西师范大学 | Crystalline silicon solar cell front silver paste and preparation method thereof |
| CN116246817A (en) * | 2023-03-03 | 2023-06-09 | 北京中科纳通电子技术有限公司 | Nickel-carbon silver paste and preparation method thereof |
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Application publication date: 20171107 |
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