CN104505141A - Solar cell conductive silver paste - Google Patents
Solar cell conductive silver paste Download PDFInfo
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- CN104505141A CN104505141A CN201410775548.3A CN201410775548A CN104505141A CN 104505141 A CN104505141 A CN 104505141A CN 201410775548 A CN201410775548 A CN 201410775548A CN 104505141 A CN104505141 A CN 104505141A
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 20
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims abstract description 14
- -1 hydrocarbyl succinic acid, Chemical compound 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 235000019441 ethanol Nutrition 0.000 claims abstract description 10
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-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
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 7
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 7
- 239000000787 lecithin Substances 0.000 claims abstract description 7
- 235000010445 lecithin Nutrition 0.000 claims abstract description 7
- 229940067606 lecithin Drugs 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000003213 activating effect Effects 0.000 claims description 7
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 241001272567 Hominoidea Species 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- KZNICNPSHKQLFF-UHFFFAOYSA-N dihydromaleimide Natural products O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 6
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 6
- 239000007908 nanoemulsion Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- 229960002317 succinimide Drugs 0.000 claims description 6
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- GPOGLVDBOFRHDV-UHFFFAOYSA-N (2-nonylphenyl) dihydrogen phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(O)O GPOGLVDBOFRHDV-UHFFFAOYSA-N 0.000 claims description 3
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004005 microsphere Substances 0.000 abstract description 2
- 229910000510 noble metal Inorganic materials 0.000 abstract description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229920001661 Chitosan Polymers 0.000 abstract 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 abstract 1
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 238000007639 printing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Conductive Materials (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar cell conductive silver paste. The solar cell conductive silver paste comprises the following raw materials in parts by weight: 100-106 parts of high-dispersive conductive silver powder, 10-12 parts of ethyl cellulose, 15-20 parts of methylbenzene, 4-6 parts of absolute ethyl alcohol, 0.1-0.2 part of hydrocarbyl succinic acid, 2-3 parts of 2-ethylhexyl acrylate, 0.2-0.3 part of polyoxypropylene glycerol ether, 0.2-0.4 part of 1-methyl anyl alcohol, 0.7-1 parts of chitosan, 0.4-1 parts of lecithin, 10-15 parts of glass powder, 2-3 parts of nanometer carbon powder, and 2-3 parts of diethyl phthalate. The solar cell conductive silver paste has the advantages that nanometer silver powder is uniformly and densely coated at the surface of polymeter microspheres, the usage amount of noble metal silver powder is reduced, the production cost is reduced, and the dispersibility and stability of the nanometer silver powder are greatly improved.
Description
Technical field
The present invention relates generally to conductive silver paste field, particularly relates to a kind of solar cell conductive silver slurry.
Background technology
The main component that metallic silver particles is starched as silver is adopted in traditional conductive silver paste, its conductivity is also realize by it, it is distributed to uniformly and links in agent, before printing, make slurries form the print material of certain viscosity, after printing, make to form stable combination between the particulate of silver slurry and base material, but because silver metal price is relatively costly, so can consider that the mode adopting silver coated is to reduce the cost of metallic silver particles.
Summary of the invention
The object of the invention is just to provide a kind of solar cell conductive silver slurry.
The present invention is achieved by the following technical solutions:
A solar cell conductive silver slurry, is characterized in that what it was made up of the raw material of following weight parts:
The acid of high dispersive conductive silver powder 100-106, ethyl cellulose 10-12, toluene 15-20, absolute ethyl alcohol 4-6, hydrocarbyl succinimide 0.1-0.2, Isooctyl acrylate monomer 2-3, polypropylene glycerol aether 0.2-0.3,1-methyl anyl alcohol 0.2-0.4, shitosan 0.7-1, lecithin 0.4-1, glass dust 10-15, nano-carbon powder 2-3, diethyl phthalate 2-3;
Described high dispersive conductive silver powder is made up of the raw material of following weight parts:
Nano aluminium oxide 5-10, di-n-octyl sebacate 0.1-0.2, deionized water 300-400, styrene 4-7, APES 0.8-1, silane coupler KH560 1-2, ammonium persulfate 0.01-0.02, silver nitrate 131-140, polyvinylpyrrolidone 1-2, sodium hypophosphite 30-40, three (nonyl phenyl) phosphite 2-3;
Nano aluminium oxide, di-n-octyl sebacate, silane coupler KH560 are mixed, 500-700 rev/min is uniformly mixed 20-30 minute, add the 30-35% of styrene, APES, deionized water weight, magnetic agitation 40-50 minute, add ammonium persulfate, ultrasonic oscillation 10-15h, obtains nanoemulsions;
By silver nitrate, polyvinylpyrrolidone mixing, add the 40-50% of remaining deionized water weight, stir, obtain oxidation solution;
To remain the mixing of each raw material, drip ammoniacal liquor, adjustment PH is 10-10.5, is reducing solution;
Above-mentioned oxidation solution is added drop-wise in reducing solution, after dropwising, adds nanoemulsions, stirring reaction 30-50 minute, centrifugation, wash 3-5 time with deionized water and ethanol, dry, to obtain final product.
2, a preparation method for solar cell conductive silver slurry as claimed in claim 1, is characterized in that comprising the following steps:
(1) by hydrocarbyl succinimide acid, the mixing of 1-methyl anyl alcohol, at 80-90 DEG C, Heat preservation 10-13 minute, adds ethyl cellulose, be stirred to 60-70 DEG C, add the mixed liquor of toluene and absolute ethyl alcohol, insulation mixing 6-10 minute, add diethyl phthalate, be stirred to normal temperature, obtain organic carrier;
(2) by shitosan, lecithin mixing, stir, add polypropylene glycerol aether, be uniformly mixed 3-5 minute at 40-50 DEG C, obtain activating agent;
(3) by glass dust, nano-carbon powder mixing, add Isooctyl acrylate monomer, at 60-80 DEG C, be uniformly mixed 10-20 minute, cool for subsequent use;
(4) by the mixing of materials that high dispersive conductive silver powder and step (3) obtain, join in organic carrier, mix, add activating agent and each raw material of residue, high speed dispersion, send on three-roll grinder and mix, ground slurry granularity, to 8-15 micron, gets product.
Advantage of the present invention is:
High dispersive conductive silver powder of the present invention is surface nano-silver powder evenly and being densely coated on polymer microsphere, not only can reduce the consumption of noble metal silver powder, reduces production cost, also substantially increases dispersiveness and the stability of nano-silver powder simultaneously;
By acrylic resin, the mixing of N, N-methylene-bisacrylamide, carry out cross-linking reaction with crosslinking agent taic, can effectively improve slurry viscosity, obtained slurry is more stable, prevented from caking, precipitation and layering, ensures that the figure of printing is fine and close, bubble-free pore;
The activating agent added effectively can improve the conductivity of silver slurry, improves the printing quality of silver slurry.
Embodiment
Embodiment 1
A solar cell conductive silver slurry, is characterized in that what it was made up of the raw material of following weight parts:
High dispersive conductive silver powder 106, ethyl cellulose 12, toluene 20, absolute ethyl alcohol 6, hydrocarbyl succinimide acid 0.2, Isooctyl acrylate monomer 3, polypropylene glycerol aether 0.3,1-methyl anyl alcohol 0.4, shitosan 0.7, lecithin 0.4, glass dust 15, nano-carbon powder 3, diethyl phthalate 3;
Described high dispersive conductive silver powder is made up of the raw material of following weight parts:
Nano aluminium oxide 10, di-n-octyl sebacate 0.2, deionized water 400, styrene 4, APES 0.8, silane coupler KH560 2, ammonium persulfate 0.02, silver nitrate 140, polyvinylpyrrolidone 2, sodium hypophosphite 40, three (nonyl phenyl) phosphite 2;
Nano aluminium oxide, di-n-octyl sebacate, silane coupler KH560 are mixed, 500 revs/min are uniformly mixed 30 minutes, add styrene, APES, deionized water weight 35%, magnetic agitation 50 minutes, add ammonium persulfate, ultrasonic oscillation 15h, obtains nanoemulsions;
By silver nitrate, polyvinylpyrrolidone mixing, add 50% of remaining deionized water weight, stir, obtain oxidation solution;
To remain the mixing of each raw material, and drip ammoniacal liquor, regulating PH to be 10.5, is reducing solution;
Above-mentioned oxidation solution is added drop-wise in reducing solution, after dropwising, adds nanoemulsions, stirring reaction 30-50 minute, centrifugation, wash 3 times with deionized water and ethanol, dry, to obtain final product.
A preparation method for solar cell conductive silver slurry, is characterized in that comprising the following steps:
(1) by hydrocarbyl succinimide acid, the mixing of 1-methyl anyl alcohol, at 90 DEG C, Heat preservation 13 minutes, adds ethyl cellulose, be stirred to 70 DEG C, add the mixed liquor of toluene and absolute ethyl alcohol, insulation mixing 10 minutes, add diethyl phthalate, be stirred to normal temperature, obtain organic carrier;
(2) by shitosan, lecithin mixing, stir, add polypropylene glycerol aether, be uniformly mixed 3 minutes at 50 DEG C, obtain activating agent;
(3) by glass dust, nano-carbon powder mixing, add Isooctyl acrylate monomer, at 80 DEG C, be uniformly mixed 20 minutes, cool for subsequent use;
(4) by the mixing of materials that high dispersive conductive silver powder and step (3) obtain, join in organic carrier, mix, add activating agent and each raw material of residue, high speed dispersion, send on three-roll grinder and mix, ground slurry granularity, to 8-15 micron, gets product.
Performance test:
Without lump, in uniform state after stirring;
Fineness≤15 μm;
Adhesive force 4.8B;
Hardness 1.5H.
Claims (2)
1. a solar cell conductive silver slurry, is characterized in that what it was made up of the raw material of following weight parts:
The acid of high dispersive conductive silver powder 100-106, ethyl cellulose 10-12, toluene 15-20, absolute ethyl alcohol 4-6, hydrocarbyl succinimide 0.1-0.2, Isooctyl acrylate monomer 2-3, polypropylene glycerol aether 0.2-0.3,1-methyl anyl alcohol 0.2-0.4, shitosan 0.7-1, lecithin 0.4-1, glass dust 10-15, nano-carbon powder 2-3, diethyl phthalate 2-3;
Described high dispersive conductive silver powder is made up of the raw material of following weight parts:
Nano aluminium oxide 5-10, di-n-octyl sebacate 0.1-0.2, deionized water 300-400, styrene 4-7, APES 0.8-1, silane coupler KH560 1-2, ammonium persulfate 0.01-0.02, silver nitrate 131-140, polyvinylpyrrolidone 1-2, sodium hypophosphite 30-40, three (nonyl phenyl) phosphite 2-3;
Nano aluminium oxide, di-n-octyl sebacate, silane coupler KH560 are mixed, 500-700 rev/min is uniformly mixed 20-30 minute, add the 30-35% of styrene, APES, deionized water weight, magnetic agitation 40-50 minute, add ammonium persulfate, ultrasonic oscillation 10-15h, obtains nanoemulsions;
By silver nitrate, polyvinylpyrrolidone mixing, add the 40-50% of remaining deionized water weight, stir, obtain oxidation solution;
To remain the mixing of each raw material, drip ammoniacal liquor, adjustment PH is 10-10.5, is reducing solution;
Above-mentioned oxidation solution is added drop-wise in reducing solution, after dropwising, adds nanoemulsions, stirring reaction 30-50 minute, centrifugation, wash 3-5 time with deionized water and ethanol, dry, to obtain final product.
2. a preparation method for solar cell conductive silver slurry as claimed in claim 1, is characterized in that comprising the following steps:
(1) by hydrocarbyl succinimide acid, the mixing of 1-methyl anyl alcohol, at 80-90 DEG C, Heat preservation 10-13 minute, adds ethyl cellulose, be stirred to 60-70 DEG C, add the mixed liquor of toluene and absolute ethyl alcohol, insulation mixing 6-10 minute, add diethyl phthalate, be stirred to normal temperature, obtain organic carrier;
(2) by shitosan, lecithin mixing, stir, add polypropylene glycerol aether, be uniformly mixed 3-5 minute at 40-50 DEG C, obtain activating agent;
(3) by glass dust, nano-carbon powder mixing, add Isooctyl acrylate monomer, at 60-80 DEG C, be uniformly mixed 10-20 minute, cool for subsequent use;
(4) by the mixing of materials that high dispersive conductive silver powder and step (3) obtain, join in organic carrier, mix, add activating agent and each raw material of residue, high speed dispersion, send on three-roll grinder and mix, ground slurry granularity, to 8-15 micron, gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775548.3A CN104505141B (en) | 2014-12-16 | 2014-12-16 | A kind of solar cell conductive silver paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775548.3A CN104505141B (en) | 2014-12-16 | 2014-12-16 | A kind of solar cell conductive silver paste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104505141A true CN104505141A (en) | 2015-04-08 |
| CN104505141B CN104505141B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410775548.3A Expired - Fee Related CN104505141B (en) | 2014-12-16 | 2014-12-16 | A kind of solar cell conductive silver paste |
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| Country | Link |
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| CN (1) | CN104505141B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158067A (en) * | 2016-06-16 | 2016-11-23 | 赵兰 | A kind of preparation method of crystal silicon solar battery back face silver slurry |
| CN107236099A (en) * | 2017-06-01 | 2017-10-10 | 长兴化学工业(中国)有限公司 | Acrylate urethane copolymer resins and the conductive silver paste containing the resin |
| CN107545944A (en) * | 2016-06-28 | 2018-01-05 | 南京丰跃纳米科技有限公司 | A kind of low-temperature setting nanometer silver paste and preparation method thereof |
| CN108735343A (en) * | 2018-08-30 | 2018-11-02 | 浙江纳沛新材料有限公司 | A kind of conductive silver paste and preparation method thereof for low-temperature co-fired ceramic substrate |
| CN110391036A (en) * | 2018-04-19 | 2019-10-29 | 无锡优顺能源开发科技有限公司 | A kind of conductive silver paste used for solar batteries |
| CN110534228A (en) * | 2019-08-30 | 2019-12-03 | 湖南诺尔得材料科技有限公司 | A kind of conductive nano silver paste and the preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158067A (en) * | 2016-06-16 | 2016-11-23 | 赵兰 | A kind of preparation method of crystal silicon solar battery back face silver slurry |
| CN107545944A (en) * | 2016-06-28 | 2018-01-05 | 南京丰跃纳米科技有限公司 | A kind of low-temperature setting nanometer silver paste and preparation method thereof |
| CN107236099A (en) * | 2017-06-01 | 2017-10-10 | 长兴化学工业(中国)有限公司 | Acrylate urethane copolymer resins and the conductive silver paste containing the resin |
| CN107236099B (en) * | 2017-06-01 | 2020-09-15 | 长兴化学工业(中国)有限公司 | Acrylate-polyurethane copolymer resin and conductive silver paste containing same |
| CN110391036A (en) * | 2018-04-19 | 2019-10-29 | 无锡优顺能源开发科技有限公司 | A kind of conductive silver paste used for solar batteries |
| CN108735343A (en) * | 2018-08-30 | 2018-11-02 | 浙江纳沛新材料有限公司 | A kind of conductive silver paste and preparation method thereof for low-temperature co-fired ceramic substrate |
| CN110534228A (en) * | 2019-08-30 | 2019-12-03 | 湖南诺尔得材料科技有限公司 | A kind of conductive nano silver paste and the preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104505141B (en) | 2017-07-28 |
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