CN103117108A - Electrical conductive slurry comprising acetyl triethyl citrate - Google Patents
Electrical conductive slurry comprising acetyl triethyl citrate Download PDFInfo
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- CN103117108A CN103117108A CN2012105219783A CN201210521978A CN103117108A CN 103117108 A CN103117108 A CN 103117108A CN 2012105219783 A CN2012105219783 A CN 2012105219783A CN 201210521978 A CN201210521978 A CN 201210521978A CN 103117108 A CN103117108 A CN 103117108A
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- organic carrier
- glass dust
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Abstract
The invention discloses electrical conductive slurry comprising acetyl triethyl citrate. The electrical conductive slurry is mainly made of, by weight, 70-75 of material A, 22-25 of material B, 0.3-0.6 of dimethyl azelate, 1-2 of silane coupling agent carbonate hardness (KH) 580, 1-2 of castor oil, and 0.3-0.5 of organic silicone oil. The electrical conductive slurry does not contain plumbum, completely meets environment-friendly requirements, is applied to production of solar cells, can form strong adhesive force on the surfaces of the solar cells, enables photovoltaic conversion efficiency of the cells to be high, meanwhile, utilizes silver powder, aluminum powder and copper powder which are different in grain diameter, increases contacting areas among grains, and therefore improves conductivity of silver slurry.
Description
Technical field
The present invention relates to the fine Electronic field of chemicals, is exactly a kind of electrocondution slurry that contains ATEC.
Background technology
Electrocondution slurry is electronic devices and components encapsulation, electrode and interconnected critical material, mainly comprises burning infiltration type electrocondution slurry and the large class of curing type conducting resinl (electrically conductive ink) two.
Burning infiltration type electrocondution slurry mainly is used in the industries such as solar cell, makes electrode after sintering and uses, and the curing type electrically conductive ink is widely used in the industries such as printed circuit and Electronic Packaging.
Electrocondution slurry is different according to filler wherein, can be divided into carbon slurry (graphite conductor), metal paste (bronze, silver powder, copper powder, yellow gold), and the ceramic size of modification.
Performance Ratio, the conductivity of noble metal filler is best, carbon slurry secondly.But the price of gold is too high, and the oxidative resistance of copper powder is bad, and silver powder and silver-bearing copper powder are comparatively balanced on price and performance.Will getting well of the resistance to wear silver slurry of carbon slurry.
Solar cell conductive paste is comprised of silver powder, aluminium powder, inorganic bond material, organic carrier and relevant auxiliary agent etc.In most electric slurry, the inorganic bond material is mainly the flint glass powder of low melting point, big for environment pollution and weldability is poor is its major defect.Therefore, the unleaded inexorable trend that become of electrocondution slurry.
Summary of the invention
The object of the present invention is to provide a kind of efficient, environmental protection, the unleaded electrocondution slurry that contains ATEC.
Above-mentioned purpose realizes by following scheme:
A kind of electrocondution slurry that contains ATEC is characterized in that, it is that raw material by following weight parts makes:
A expects 70-75, and B expects 22-25, dimethyl azelate 0.3-0.6, silane coupler KH580 1-2, castor oil 1-2, organic silicone oil 0.3-0.5;
Described A material is made by the raw material of following weight parts: 1-5 μ m silver powder 45-48,11-15 μ m silver powder 10-15,16-25 μ m aluminium powder 10-15,10-15 μ m glass dust 8-12, organic carrier A 22-27, silane coupler KH-792 1-1.5, ATEC 0.7-1.2;
Described B material is made by the raw material of following weight parts: 6-10 μ m bronze 55-58,16-25 μ m bronze 10-15,20-25 μ m glass dust 8-10, organic carrier B 15-20, organic silicone oil 0.5-1.2, dibutyl maleate 2-3;
Described glass dust is made by the raw material of following weight parts: CoO 8-10, V
2O
511-12, B
2O
35-7.7,
ZrO
26-9, SiO
28-12, Sb
2O
39-11, Na
2O 11-14, K
2O 8-12, SrO 5-8, AS
2O
37-9, Co
2O
311-13;
Described organic carrier A is made by the raw material of following weight parts: acrylic resin 7-10, polyvinylpyrrolidone 2-4, butyl carbitol 36-38, benzinum 0.5-1.3;
Described organic carrier B is made by the raw material of following weight parts: hydroxyethylcellulose 6-8, methyl alcohol 18-22, diethylene glycol ether acetate 10-12, di-2-ethylhexyl maleate 0.5-1.
Described a kind of electrocondution slurry that contains ATEC is characterized in that:
The preparation method comprises the following steps:
(1) take by weight required each raw material of preparation glass dust and put into mixing in silica crucible, after put into electric furnace in 1100-1300 ℃ of sintering 2-3h, again the glass metal after the gained fusing is poured in cold water, then ball milling, cross the 200-300 mesh sieve, cooling, again at 500-600 ℃ of insulation 4-5h, then, quench with deionized water again, ball milling, cross the sieve of different meshes, collect respectively and obtain 10-15 μ m glass dust and 20-25 μ m glass dust, use respectively again 10-15% salt acid soak 1-2 hour, then clean to neutral with deionized water, dry to such an extent that the glass dust of different-grain diameter is standby,
(2) will prepare by weight each raw material blending of organic carrier A, and be stirred to dissolving under 70-80 ℃, the rear 100-200 order filter cloth of crossing namely gets the standby of organic carrier A;
(3) will prepare by weight each raw material blending of organic carrier B, be stirred to the rear 100-200 of mistake of dissolving order filter cloth under 65-70 ℃, namely get organic carrier B standby;
(4) glass dust with the 10-15 μ m that makes adds in prepared organic carrier A by weight, stirs mixedly, then adds all the other preparation A material needed raw materials, mixes 2-3 hour, obtains the A material;
(5) will prepare B material needed raw material and mix 2-3 hour, obtain the B material;
(6) A material, B material and all the other preparations are contained the raw material mixing by weight of the electrocondution slurry of ATEC, ball milling 7-9 hour, after crossing the 400-500 mesh sieve and get final product.
Beneficial effect of the present invention is:
1, the electrocondution slurry of gained of the present invention is not leaded, meet environmental requirement fully, be applied to the production of solar cell, can form strong adhesion in solar cell surface, the cell photoelectric conversion efficiency is high, silver powder and the aluminium of different-grain diameter have been selected simultaneously, the copper powder powder increases interparticle contact area, thereby has improved the conductive capability of silver-colored slurry;
2, the present invention has added copper powder in electrocondution slurry, aluminium powder can help to reduce silver slurry production cost, save a large amount of noble silvers, improve simultaneously the electric conductivity of silver slurry, thereby reached the purpose that reduces the solar cell manufacturing cost, obtained good economic benefit.Technique of the present invention is simple simultaneously, and cost is low, thereby has broad application prospects.
Embodiment
A kind of electrocondution slurry that contains ATEC, it is that raw material by following weight parts (kg) makes:
A material 75, B material 25, dimethyl azelate 0.6, silane coupler KH580 1.3, castor oil 1.3, organic silicone oil 0.5;
Described A material is made by the raw material of following weight parts: 1-5 μ m silver powder 48,11-15 μ m silver powder 15,16-25 μ m aluminium powder 10,10-15 μ m glass dust 12, organic carrier A 27, silane coupler KH-792 1.3, ATEC 1.2;
Described B material is made by the raw material of following weight parts: 6-10 μ m bronze 58,16-25 μ m bronze 15,20-25 μ m glass dust 10, organic carrier B 20, organic silicone oil 1.2, dibutyl maleate 3;
Described glass dust is made by the raw material of following weight parts: CoO 10, V
2O
512, B
2O
37.2,
ZrO
29, SiO
212, Sb
2O
311, Na
2O 14, K
2O 12, and SrO 8, AS
2O
39, Co
2O
313;
Described organic carrier A is made by the raw material of following weight parts: acrylic resin 10, polyvinylpyrrolidone 4, butyl carbitol 38, benzinum 0.9;
Described organic carrier B is made by the raw material of following weight parts: hydroxyethylcellulose 8, methyl alcohol 22, diethylene glycol ether acetate 12, di-2-ethylhexyl maleate 0.7.
Described a kind of electrocondution slurry that contains ATEC, the preparation method comprises the following steps:
(1) take by weight required each raw material of preparation glass dust and put into mixing in silica crucible, after put into electric furnace in 1300 ℃ of sintering 3h, again the glass metal after the gained fusing is poured in cold water, then ball milling, cross 200 mesh sieves, cooling, at 600 ℃ of insulation 5h, then, then quench with deionized water again, ball milling, cross the sieve of different meshes, collect respectively and obtain 15 μ m glass dust and 25 μ m glass dust, then be 11.7% salt acid soak 2 hours with concentration respectively, then clean to neutral with deionized water, dry to such an extent that the glass dust of different-grain diameter is standby;
(2) will prepare by weight each raw material blending of organic carrier A, and be stirred to dissolving under 80 ℃, rear mistake 200 order filter clothes namely get the standby of organic carrier A;
(3) will prepare by weight each raw material blending of organic carrier B, be stirred to the rear 200 order filter clothes of crossing of dissolving under 67 ℃, namely get organic carrier B standby;
(4) glass dust with the 10-15 μ m that makes adds in prepared organic carrier A by weight, stirs mixedly, then adds all the other preparation A material needed raw materials, mixes 2 hours, obtains the A material;
(5) will prepare B material needed raw material and mix 3 hours, obtain the B material;
(6) A material, B material and all the other preparations are contained the raw material mixing by weight of the electrocondution slurry of ATEC, ball milling 8 hours is after crossing 500 mesh sieves and get final product.
Adopt screen process press that the silver slurry is printed on 125mm * 125mm Si substrate, then 180 ℃ of dryings, carry out quick fired electrodes lead-in wire at 880 ℃ again, the surperficial silvery white of the contact conductor of making after high temperature sintering, smooth zero defect, peel strength 15N/cm, soldering is functional, sheet resistance＜10 Siements/sq, the solar cell photoelectric transformation efficiency of preparation is 18.4%, the tensile test result is adhesive force〉14N/mm
2
Claims (2)
1. an electrocondution slurry that contains ATEC, is characterized in that, it is that raw material by following weight parts makes:
A expects 70-75, and B expects 22-25, dimethyl azelate 0.3-0.6, silane coupler KH580 1-2, castor oil 1-2, organic silicone oil 0.3-0.5;
Described A material is made by the raw material of following weight parts: 1-5 μ m silver powder 45-48,11-15 μ m silver powder 10-15,16-25 μ m aluminium powder 10-15,10-15 μ m glass dust 8-12, organic carrier A 22-27, silane coupler KH-792 1-1.5, ATEC 0.7-1.2;
Described B material is made by the raw material of following weight parts: 6-10 μ m bronze 55-58,16-25 μ m bronze 10-15,20-25 μ m glass dust 8-10, organic carrier B 15-20, organic silicone oil 0.5-1.2, dibutyl maleate 2-3;
Described glass dust is made by the raw material of following weight parts: CoO 8-10, V
2O
511-12, B
2O
35-7.7,
ZrO
26-9, SiO
28-12, Sb
2O
39-11, Na
2O 11-14, K
2O 8-12, SrO 5-8, AS
2O
37-9, Co
2O
311-13;
Described organic carrier A is made by the raw material of following weight parts: acrylic resin 7-10, polyvinylpyrrolidone 2-4, butyl carbitol 36-38, benzinum 0.5-1.3;
Described organic carrier B is made by the raw material of following weight parts: hydroxyethylcellulose 6-8, methyl alcohol 18-22, diethylene glycol ether acetate 10-12, di-2-ethylhexyl maleate 0.5-1.
2. a kind of electrocondution slurry that contains ATEC according to claim 1 is characterized in that:
The preparation method comprises the following steps:
(1) take by weight required each raw material of preparation glass dust and put into mixing in silica crucible, after put into electric furnace in 1100-1300 ℃ of sintering 2-3h, again the glass metal after the gained fusing is poured in cold water, then ball milling, cross the 200-300 mesh sieve, cooling, again at 500-600 ℃ of insulation 4-5h, then, quench with deionized water again, ball milling, cross the sieve of different meshes, collect respectively and obtain 10-15 μ m glass dust and 20-25 μ m glass dust, use respectively again 10-15% salt acid soak 1-2 hour, then clean to neutral with deionized water, dry to such an extent that the glass dust of different-grain diameter is standby,
(2) will prepare by weight each raw material blending of organic carrier A, and be stirred to dissolving under 70-80 ℃, the rear 100-200 order filter cloth of crossing namely gets the standby of organic carrier A;
(3) will prepare by weight each raw material blending of organic carrier B, be stirred to the rear 100-200 of mistake of dissolving order filter cloth under 65-70 ℃, namely get organic carrier B standby;
(4) glass dust with the 10-15 μ m that makes adds in prepared organic carrier A by weight, stirs mixedly, then adds all the other preparation A material needed raw materials, mixes 2-3 hour, obtains the A material;
(5) will prepare B material needed raw material and mix 2-3 hour, obtain the B material;
(6) A material, B material and all the other preparations are contained the raw material mixing by weight of the electrocondution slurry of ATEC, ball milling 7-9 hour, after crossing the 400-500 mesh sieve and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521978.3A CN103117108B (en) | 2012-12-07 | 2012-12-07 | A kind of electrocondution slurry that contains ATEC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521978.3A CN103117108B (en) | 2012-12-07 | 2012-12-07 | A kind of electrocondution slurry that contains ATEC |
Publications (2)
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|---|---|
| CN103117108A true CN103117108A (en) | 2013-05-22 |
| CN103117108B CN103117108B (en) | 2016-05-25 |
Family
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|---|---|---|---|
| CN201210521978.3A Active CN103117108B (en) | 2012-12-07 | 2012-12-07 | A kind of electrocondution slurry that contains ATEC |
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| CN (1) | CN103117108B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996428A (en) * | 2014-04-16 | 2014-08-20 | 池州市弘港科技电子有限公司 | Easily-printed PCB conductive silver slurry and preparation method thereof |
| CN110510883A (en) * | 2019-08-16 | 2019-11-29 | 西北大学 | A kind of vanadium base lead-free glass powder and its preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110073178A1 (en) * | 2009-09-30 | 2011-03-31 | BYD Co. Ltd | Electrically conductive paste, solar cell containing same and method |
| CN102360585A (en) * | 2011-06-28 | 2012-02-22 | 陕西天盛新材料科技有限公司 | Aluminum paste for improving conversion efficiency of solar cells and preparation method for aluminum paste |
| CN102623104A (en) * | 2012-02-13 | 2012-08-01 | 江苏瑞德新能源科技有限公司 | Preparation process of aluminium paste for solar cell |
| CN102708942A (en) * | 2012-02-13 | 2012-10-03 | 江苏瑞德新能源科技有限公司 | Lead-free silver and aluminum slurry for solar photocell and preparation method of slurry |
-
2012
- 2012-12-07 CN CN201210521978.3A patent/CN103117108B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110073178A1 (en) * | 2009-09-30 | 2011-03-31 | BYD Co. Ltd | Electrically conductive paste, solar cell containing same and method |
| CN102360585A (en) * | 2011-06-28 | 2012-02-22 | 陕西天盛新材料科技有限公司 | Aluminum paste for improving conversion efficiency of solar cells and preparation method for aluminum paste |
| CN102623104A (en) * | 2012-02-13 | 2012-08-01 | 江苏瑞德新能源科技有限公司 | Preparation process of aluminium paste for solar cell |
| CN102708942A (en) * | 2012-02-13 | 2012-10-03 | 江苏瑞德新能源科技有限公司 | Lead-free silver and aluminum slurry for solar photocell and preparation method of slurry |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996428A (en) * | 2014-04-16 | 2014-08-20 | 池州市弘港科技电子有限公司 | Easily-printed PCB conductive silver slurry and preparation method thereof |
| CN110510883A (en) * | 2019-08-16 | 2019-11-29 | 西北大学 | A kind of vanadium base lead-free glass powder and its preparation method and application |
| CN110510883B (en) * | 2019-08-16 | 2022-05-03 | 江苏聚盈新材料科技有限公司 | Vanadium-based lead-free glass powder and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN103117108B (en) | 2016-05-25 |
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Effective date of registration: 20181221 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: 20201224 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. |
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