CN103117103B - A kind of solar cell conductive paste containing tetraethyl orthosilicate - Google Patents
A kind of solar cell conductive paste containing tetraethyl orthosilicate Download PDFInfo
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- CN103117103B CN103117103B CN201210521633.8A CN201210521633A CN103117103B CN 103117103 B CN103117103 B CN 103117103B CN 201210521633 A CN201210521633 A CN 201210521633A CN 103117103 B CN103117103 B CN 103117103B
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Abstract
The invention discloses a kind of solar cell conductive paste containing tetraethyl orthosilicate, it is to be prepared by the raw material of following weight parts:? A expects that 60-65, B expect 15-20, tetraethyl orthosilicate 0.3-0.6, di-2-ethylhexyl maleate 0.5-0.8, Oleum Ricini 1-2. The electrocondution slurry of gained of the present invention is not leaded, complies fully with environmental requirement, is applied to the production of solaode, can form in solar cell surface that adhesive force is strong, cell photoelectric conversion efficiency high.
Description
Technical field
The present invention relates to fine Electronic field of chemicals, be exactly a kind of solar cell conductive paste containing tetraethyl orthosilicate.
Background technology
Electrocondution slurry is the critical material of electronic devices and components encapsulation, electrode and interconnection, mainly includes burning infiltration type electrocondution slurry and the big class of curing type conducting resinl (electrically conductive ink) two.
Burning infiltration type electrocondution slurry is used primarily in the industries such as solaode, makes electrode and use after sintering, and curing type electrically conductive ink is widely used in the industry such as printed circuit and Electronic Packaging.
Electrocondution slurry is different according to filler therein, it is possible to be divided into carbon slurry (graphite conductor), metal paste (bronze, argentum powder, copper powder, yellow gold), and modified ceramic size.
Performance comparision, the electric conductivity of noble metal filler is best, and carbon slurry is secondly. But the price of gold is too high, the oxidative resistance of copper powder is bad, and argentum powder and silver-bearing copper powder are comparatively balanced in price and performance. Getting well of the wearability silver slurry of carbon slurry.
Solar cell conductive paste is made up of argentum powder, aluminium powder, inorganic bond material, organic carrier and related auxiliaries etc. In most electric slurry, inorganic bond material be mainly the lead bearing glass powder of low melting point, big for environment pollution and weldability difference is its major defect. Therefore, the unleaded of electrocondution slurry has become inexorable trend.
Summary of the invention
It is an object of the invention to provide a kind of efficiently, environmental protection, the unleaded solar cell conductive paste containing tetraethyl orthosilicate.
Above-mentioned purpose is realized by below scheme:
A kind of solar cell conductive paste containing tetraethyl orthosilicate, it is characterised in that it is to be prepared by the raw material of following weight parts:
A expects that 60-65, B expect 15-20, tetraethyl orthosilicate 0.3-0.6, di-2-ethylhexyl maleate 0.5-0.8, Oleum Ricini 1-2;
Described A material is prepared by the raw material of following weight parts: 1-5 ��m argentum powder 40-42,11-15 ��m argentum powder 15-20,16-25 ��m argentum powder 15-18,1-5 ��m of glass dust 8-12, organic carrier A18-22, silane coupler KH6021-2, octyl epoxy stearate 0.3-0.6;
Described B material is prepared by the raw material of following weight parts: 6-10 ��m bronze 52-54,16-25 ��m bronze 10-15,20-25 ��m of glass dust 8-10, organic carrier B15-20, organic silicone oil 0.5-1.2, acetyl triethyl citrate 0.1-0.2;
Described glass dust is prepared by the raw material of following weight parts: CuO8-10, As2O34.8-6.7, Bi2O37-9,B2O34-6,Al2O38-11,SiO27-10,Sb2O38-11,AgO22-4,K2O6-8,Co2O34-6, tree ash 8-10;
Described organic carrier A is prepared by the raw material of following weight parts: polyacrylate 7-10, polyvinylpyrrolidone 2-4, terpineol 26-28, glycerol 5-8;
Described organic carrier B is prepared by the raw material of following weight parts: acetylbutyrylcellulose 6-8, butyl acetate 5-10, isopropanol 18-22, polyvinyl butyral resin 10-12, stearic acid 0.5-1.
Described a kind of solar cell conductive paste containing tetraethyl orthosilicate, it is characterised in that:
Preparation method comprises the following steps:
(1) weigh by weight prepare glass dust needed for each raw material put in silica crucible mix, after put in electric furnace in 1100-1300 DEG C sinter 1-2h, vitreous humour after being melted by gained again is poured in cold water, then ball milling, cross 200-300 mesh sieve, cooling, it is incubated 4-5h again at 500-600 DEG C, then, quench with deionized water again, ball milling, cross the sieve of different meshes, collect respectively and obtain 1-5 ��m of glass dust and 20-25 ��m of glass dust, use 10-15% soak with hydrochloric acid 1-2 hour respectively again, then clean to neutrality with deionized water, dry the glass dust of different-grain diameter is standby,
(2) preparing each raw material blending of organic carrier A by weight, at 70-80 DEG C, stirring is to dissolving, and it is standby that namely rear 100-200 order filter cloth excessively obtains organic carrier A;
(3) preparing each raw material blending of organic carrier B by weight, at 75-85 DEG C, stirring crosses 100-200 order filter cloth after dissolving, and obtains organic carrier B standby;
(4) adding in obtained organic carrier A by weight by 1-5 ��m of prepared glass dust, stirring is mixed, adds all the other and prepares A material needed raw material, stirring mixing 2-3 hour, obtains A material;
(5) preparation B is expected needed raw material stirring mixing 2-3 hour, obtain B material;
(6) expected by A, B material and all the other preparation raw materials of solar cell conductive pastes containing tetraethyl orthosilicate mix by weight, ball milling 7-9 hour, after crossing 400-500 mesh sieve and get final product.
The invention have the benefit that the electrocondution slurry of gained of the present invention is not leaded, comply fully with environmental requirement, be applied to the production of solaode, can form in solar cell surface that adhesive force is strong, cell photoelectric conversion efficiency high.
Detailed description of the invention
A kind of solar cell conductive paste containing tetraethyl orthosilicate, it is to be prepared by the raw material of following weight parts (kg):
A material 63, B material 18, tetraethyl orthosilicate 0.5, di-2-ethylhexyl maleate 0.7, Oleum Ricini 1.6;
Described A material is prepared by the raw material of following weight parts: 1-5 ��m of argentum powder 42,11-15 ��m of argentum powder 20,16-25 ��m of argentum powder 18,1-5 ��m of glass dust 12, organic carrier A22, silane coupler KH6022, octyl epoxy stearate 0.6;
Described B material is prepared by the raw material of following weight parts: 6-10 ��m of bronze 54,16-25 ��m of bronze 15,20-25 ��m of glass dust 10, organic carrier B20, organic silicone oil 1.2, acetyl triethyl citrate 0.2;
Described glass dust is prepared by the raw material of following weight parts: CuO10, AS2O36.7, Bi2O39,B2O36,Al2O311,SiO210,Sb2O311,AgO24,K2O8,Co2O36, tree ash 10;
Described organic carrier A is prepared by the raw material of following weight parts: polyacrylate 10, polyvinylpyrrolidone 4, terpineol 28, glycerol 8;
Described organic carrier B is prepared by the raw material of following weight parts: acetylbutyrylcellulose 8, butyl acetate 10, isopropanol 22, polyvinyl butyral resin 12, stearic acid 0.8.
Described a kind of solar cell conductive paste containing tetraethyl orthosilicate,
Preparation method comprises the following steps:
(1) weigh by weight prepare glass dust needed for each raw material put in silica crucible mix, after put in electric furnace in 1300 DEG C sinter 1h, vitreous humour after being melted by gained again is poured in cold water, then ball milling, cross 300 mesh sieves, cooling, it is incubated 5h at 600 DEG C again, then, then quenches with deionized water, ball milling, cross the sieve of different meshes, collect respectively and obtain 1-5 ��m of glass dust and 20-25 ��m of glass dust, more respectively with the soak with hydrochloric acid that concentration is 15% 2 hours, then clean to neutrality with deionized water, dry the glass dust of different-grain diameter is standby;
(2) preparing each raw material blending of organic carrier A by weight, at 80 DEG C, stirring is to dissolving, and it is standby that namely rear mistake 200 order filter cloth obtains organic carrier A;
(3) preparing each raw material blending of organic carrier B by weight, at 85 DEG C, stirring crosses 100 order filter clothes after dissolving, and obtains organic carrier B standby;
(4) adding in obtained organic carrier A by weight by 1-5 ��m of prepared glass dust, stirring is mixed, adds all the other and prepares A material needed raw material, stirring mixing 2 hours, obtains A material;
(5) preparation B is expected needed raw material stirring mixing 3 hours, obtain B material;
(6) expected by A, B material and all the other preparation raw materials of solar cell conductive pastes containing tetraethyl orthosilicate mix by weight, ball milling 8 hours, after crossing 500 mesh sieves and get final product.
Screen process press is adopted to be printed on 125mm �� 125mmSi substrate by silver slurry, then dry at 180 DEG C, quick fired electrodes lead-in wire is carried out again at 880 DEG C, the contact conductor surface silvery white made after high temperature sintering, smooth zero defect, peel strength 14N/cm, soldering is functional, sheet resistance < 10Siements/sq, and the solar cell photoelectric transformation efficiency of preparation is 18.7%,, tensile test result is adhesive force > and 13N/mm2��
Claims (2)
1. the solar cell conductive paste containing tetraethyl orthosilicate, it is characterised in that it is to be prepared by the raw material of following weight parts: A expects that 60-65, B expect 15-20, tetraethyl orthosilicate 0.3-0.6, di-2-ethylhexyl maleate 0.5-0.8, Oleum Ricini 1-2;
Described A material is prepared by the raw material of following weight parts: 1-5 ��m argentum powder 40-42,11-15 ��m argentum powder 15-20,16-25 ��m argentum powder 15-18,1-5 ��m of glass dust 8-12, organic carrier A18-22, silane coupler KH6021-2, octyl epoxy stearate 0.3-0.6;
Described B material is prepared by the raw material of following weight parts: 6-10 ��m bronze 52-54,16-25 ��m bronze 10-15,20-25 ��m of glass dust 8-10, organic carrier B15-20, organic silicone oil 0.5-1.2, acetyl triethyl citrate 0.1-0.2;
Described glass dust is prepared by the raw material of following weight parts: CuO8-10, As2O34.8-6.7, Bi2O37-9, B2O34-6, Al2O38-11, SiO27-10, Sb2O38-11, AgO22-4, K2O6-8, Co2O34-6, tree ash 8-10;
Described organic carrier A is prepared by the raw material of following weight parts: polyacrylate 7-10, polyvinylpyrrolidone 2-4, terpineol 26-28, glycerol 5-8;
Described organic carrier B is prepared by the raw material of following weight parts: acetylbutyrylcellulose 6-8, butyl acetate 5-10, isopropanol 18-22, polyvinyl butyral resin 10-12, stearic acid 0.5-1.
2. a kind of solar cell conductive paste containing tetraethyl orthosilicate according to claim 1, it is characterised in that: preparation method comprises the following steps:
(1) weigh by weight prepare glass dust needed for each raw material put in silica crucible mix, after put in electric furnace in 1100-1300 DEG C sinter 1-2h, vitreous humour after being melted by gained again is poured in cold water, then ball milling, cross 200-300 mesh sieve, cooling, it is incubated 4-5h again at 500-600 DEG C, then, quench with deionized water again, ball milling, cross the sieve of different meshes, collect respectively and obtain 1-5 ��m of glass dust and 20-25 ��m of glass dust, use 10-15% soak with hydrochloric acid 1-2 hour respectively again, then clean to neutrality with deionized water, dry the glass dust of different-grain diameter is standby,
(2) preparing each raw material blending of organic carrier A by weight, at 70-80 DEG C, stirring is to dissolving, and it is standby that namely rear 100-200 order filter cloth excessively obtains organic carrier A;
(3) preparing each raw material blending of organic carrier B by weight, at 75-85 DEG C, stirring crosses 100-200 order filter cloth after dissolving, and obtains organic carrier B standby;
(4) adding in obtained organic carrier A by weight by 1-5 ��m of prepared glass dust, stirring is mixed, adds all the other and prepares A material needed raw material, stirring mixing 2-3 hour, obtains A material;
(5) preparation B is expected needed raw material stirring mixing 2-3 hour, obtain B material;
(6) expected by A, B material and all the other preparation raw materials of solar cell conductive pastes containing tetraethyl orthosilicate mix by weight, ball milling 7-9 hour, after crossing 400-500 mesh sieve and get final product.
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| CN104992801B (en) * | 2015-06-30 | 2018-02-23 | 苏州洋杰电子有限公司 | A kind of resistance slurry and preparation method thereof |
| CN110820029B (en) * | 2019-11-18 | 2021-02-23 | 贵州航天南海科技有限责任公司 | Aluminum alloy conductive oxide film protective agent |
| CN111378342A (en) * | 2020-03-09 | 2020-07-07 | 广东四维新材料有限公司 | Water-based silver spraying applied to 5G ceramic filter and preparation method thereof |
| CN111739677B (en) * | 2020-06-18 | 2022-07-22 | 北京大学深圳研究生院 | Conductive carbon paste, conductive electrode and photoelectric device |
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| CN101245201A (en) * | 2008-03-21 | 2008-08-20 | 杨建平 | Thermoplastic powder electrically-conducting paint/printing ink and manufacture method thereof |
| CN101580659A (en) * | 2008-05-16 | 2009-11-18 | 拜尔材料科学股份公司 | Printable composition containing silver nanoparticles, method for producing conductive coatings using same and coatings produced thereby |
| CN102123961A (en) * | 2009-08-07 | 2011-07-13 | Lg化学株式会社 | Lead-free glass frit powder for manufacturing silicon solar cell, preparation method thereof, metal paste composition comprising same, and silicon solar cell |
| CN102723121A (en) * | 2011-11-11 | 2012-10-10 | 长兴化学工业股份有限公司 | Conductive adhesive composition for solar cell and solar cell module thereof |
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| KR100955496B1 (en) * | 2009-07-09 | 2010-04-30 | 주식회사 동진쎄미켐 | Conductive composition for forming electrode of solar cell |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245201A (en) * | 2008-03-21 | 2008-08-20 | 杨建平 | Thermoplastic powder electrically-conducting paint/printing ink and manufacture method thereof |
| CN101580659A (en) * | 2008-05-16 | 2009-11-18 | 拜尔材料科学股份公司 | Printable composition containing silver nanoparticles, method for producing conductive coatings using same and coatings produced thereby |
| CN102123961A (en) * | 2009-08-07 | 2011-07-13 | Lg化学株式会社 | Lead-free glass frit powder for manufacturing silicon solar cell, preparation method thereof, metal paste composition comprising same, and silicon solar cell |
| CN102723121A (en) * | 2011-11-11 | 2012-10-10 | 长兴化学工业股份有限公司 | Conductive adhesive composition for solar cell and solar cell module thereof |
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Effective date of registration: 20181218 Address after: 401120 Chongqing Yubei District Shuangfeng Bridge Street 3 East Road 7 buildings Patentee after: Chongqing Beijing Great Automotive Components Company Limited Address before: 233000 No. 112 Nanshan Road, Bengbu City, Anhui Province, 4-1 Patentee before: Bengbu City Zhifeng Science & Technology Co., Ltd. |
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Effective date of registration: 20201223 Address after: 402460 station 13, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing Xinrui Technology Service Co.,Ltd. Address before: 401120 Chongqing Yubei District Shuangfeng Bridge Street 3 East Road 7 buildings Patentee before: Chongqing Beijing Great Automotive Components Co.,Ltd. |