CN103117130B - A kind of preparation method of the solar cell conductive mixed slurry containing plastic of poly vinyl acetate - Google Patents
A kind of preparation method of the solar cell conductive mixed slurry containing plastic of poly vinyl acetate Download PDFInfo
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- CN103117130B CN103117130B CN201210521635.7A CN201210521635A CN103117130B CN 103117130 B CN103117130 B CN 103117130B CN 201210521635 A CN201210521635 A CN 201210521635A CN 103117130 B CN103117130 B CN 103117130B
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Abstract
The invention discloses a kind of solar cell conductive mixed slurry containing plastic of poly vinyl acetate, it is to be prepared by the raw material of following weight parts: A expects 58-61, B expects 24.8-26.8, triethyl citrate 0.2-0.4, octyl epoxy stearate 0.3-0.5, plastic of poly vinyl acetate 1.8-2.6, polyadipate ethylene glycol 1-2, Oleum Ricini 1-2, silane coupler KH602 1-2, organosilicon levelling agent 1-2.The electrocondution slurry of gained of the present invention is the most leaded, complies fully with environmental requirement, is applied to the production of solaode, can, cell photoelectric conversion efficiency height strong at solar cell surface formation adhesive force.
Description
Technical field
The present invention relates to fine Electronic field of chemicals, be exactly a kind of sun containing plastic of poly vinyl acetate
The preparation method of energy battery conductive mixed slurry.
Background technology
Electrocondution slurry is electronic devices and components encapsulation, electrode and the critical material of interconnection, mainly includes burning infiltration type electrocondution slurry
Class big with curing type conducting resinl (electrically conductive ink) two.
Burning infiltration type electrocondution slurry is used primarily in the industries such as solaode, makees electrode and use after sintering, curing type conductive oil
Ink is widely used in the industry such as printed circuit and Electronic Packaging.
Electrocondution slurry is different according to filler therein, and carbon can be divided into starch (graphite conductor), metal paste (bronze, argentum powder,
Copper powder, yellow gold), and the ceramic size of modification.
Performance comparision, the electric conductivity of noble metal filler is best, and carbon slurry is secondly.But the price of gold is the highest, the resistance to oxidation of copper powder
Property is bad, and argentum powder and silver-bearing copper powder more equalize 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 solar cell conductive mixed slurry containing plastic of poly vinyl acetate
Preparation method.
Above-mentioned purpose is realized by below scheme:
The preparation method of a kind of solar cell conductive mixed slurry containing plastic of poly vinyl acetate, its feature exists
In, comprise 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
1200-1300 DEG C of sintering 2-3h, then gained melting charge is poured into cold quenching-in water, ball milling, cross the sieve of different meshes, collect respectively
Obtain 10-15 μm glass dust and 20-25 μm glass dust, then soak 3-5 hour with the hydrochloric acid solution that concentration is 5-7% respectively, then
Be washed with deionized water clean to neutral, dry the glass dust of different-grain diameter is standby；
Described glass dust is prepared by the raw material of following weight parts: Bi2O3 9.9-12.4,B2O3 4-6, Al2O3 3.6-
4.9,SiO2 12.7-15.6, Sb2O3 8.4-9.6, Na2O 6-8,K2O 7-9, CuO 10-12, AS2O34.9-6.7,
Co2O36-8, tree ash 9-12；
(2) after each raw material blending of organic carrier A being prepared by weight, stirring and dissolving at 70-75 DEG C, cross 300-
500 mesh filter clothes, obtain organic carrier A standby；
Described organic carrier A is prepared by the raw material of following weight parts: 138 rosin resin 9-11, polyvinyl butyral resin
5-10, polyvinylpyrrolidone 1-2, n-butyl alcohol 15-18, isopropanol 15-18；
(3) after each raw material blending of organic carrier B being prepared by weight, stirring and dissolving at 65-70 DEG C, cross 600-
800 mesh filter clothes, obtain organic carrier B standby；
Described organic carrier B is prepared by the raw material of following weight parts: methylcellulose 8-10, benzyl alcohol 4-6, ethylene glycol
Ether 18-22, propylene glycol monobutyl ether 10-12；
(4) glass dust of the 10-15 μm obtained by step (1) is added by weight obtained by step (2) have airborne
In body A, stirring mixing, add remaining and prepare A material needed raw material, stirring mixing 3-5 hour, obtain A material；
Described A material is prepared by the raw material of following weight parts: 1-5 μm argentum powder 55-58,11-15 μm argentum powder 20-25,30-
60nm aluminium powder 10-15,10-15 μm glass dust 8-12, organic carrier A 16-18, octyl epoxy stearate 0.2-0.4；
(5) the 20-25 μm glass dust obtained by step (1) is added in the organic carrier B obtained by step (3), stirring
Mixing, adds remaining and prepares B material needed raw material, stirring mixing 2-3 hour, obtain B material；
Described B material is prepared by the raw material of following weight parts: 6-10 μm copper powder 45-48,30-60nm bronze 10-15,30-
60nm aluminium powder 10-15,20-25 μm glass dust 8-10, organic carrier B 15-20, organic silicone oil 0.5-1.2, epoxy soybean oil 2-
3, dimethyl phthalate 0.4-0.6；
(6) preparation is contained each raw material of solar cell conductive mixed slurry of plastic of poly vinyl acetate by weight
Mixing, ball milling, it is ground to slurry fineness and is less than 10 μm, adjust viscosity, viscosity is 120-200Pa s, to obtain final product；
Solar cell conductive mixed slurry containing plastic of poly vinyl acetate is to be prepared by the raw material of following weight parts:
A expects that 58-61, B expect 24.8-26.8, triethyl citrate 0.2-0.4, octyl epoxy stearate 0.3-0.5, polyvinyl acetate second
Alkene ester 1.8-2.6, polyadipate ethylene glycol 1-2, Oleum Ricini 1-2, silane coupler KH602 1-2, organosilicon levelling agent 1-2.
The preparation method of described a kind of solar cell conductive mixed slurry containing plastic of poly vinyl acetate, it is special
Levy and be: described argentum powder is flake silver powder.
The invention have the benefit that
1, the electrocondution slurry of gained of the present invention is the most 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, selected simultaneously the argentum powder of different-grain diameter with
Aluminum, copper powder, increase interparticle contact area, thus improve the conductive capability of silver slurry；
2, the present invention with the addition of aluminium powder in electrocondution slurry and can aid in reduction silver slurry production cost, saves substantial amounts of expensive
Argent, improves the electric conductivity of silver slurry simultaneously, thus has reached to reduce the purpose of solaode manufacturing cost, achieve good
Good economic benefit.Present invention process is simple simultaneously, low cost, thus has broad application prospects.
Detailed description of the invention
The preparation method of a kind of solar cell conductive mixed slurry containing plastic of poly vinyl acetate, including following step
Rapid:
(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 of sintering 2h, then gained melting charge is poured into cold quenching-in water, ball milling, cross the sieve of different meshes, collect respectively and obtain 10-
15 μm glass dust and 20-25 μm glass dust, then soak 5 hours with the hydrochloric acid solution that concentration is 7% respectively, then use deionized water
Clean to neutrality, dry the glass dust of different-grain diameter is standby；
Described glass dust is prepared by the raw material of following weight parts (kg): Bi2O3 12.4, B2O3 6, Al2O3 4.9,
SiO2 15.6, Sb2O3 9.6, Na2O 8,K2O 9, CuO 12, AS2O36.7, Co2O38, tree ash 12；
(2) after each raw material blending of organic carrier A being prepared by weight, stirring and dissolving at 75 DEG C, cross 500 mesh filters
Cloth, obtains organic carrier A standby；
Described organic carrier A is prepared by the raw material of following weight parts: 138 rosin resins 11, polyvinyl butyral resin
10, polyvinylpyrrolidone 1, n-butyl alcohol 18, isopropanol 15；
(3) after each raw material blending of organic carrier B being prepared by weight, stirring and dissolving at 65 DEG C, cross 800 mesh filters
Cloth, obtains organic carrier B standby；
Described organic carrier B is prepared by the raw material of following weight parts: methylcellulose 10, benzyl alcohol 6, ethylene glycol
22, propylene glycol monobutyl ether 12；
(4) glass dust of the 10-15 μm obtained by step (1) is added by weight obtained by step (2) have airborne
In body A, stirring mixing, add remaining and prepare A material needed raw material, stirring mixing 3 hours, obtain A material；
Described A material is prepared by the raw material of following weight parts: 1-5 μm argentum powder 58,11-15 μm argentum powder 25,30-60nm aluminium powder
15,10-15 μm glass dust 12, organic carrier A 18, octyl epoxy stearate 0.4；
(5) the 20-25 μm glass dust obtained by step (1) is added in the organic carrier B obtained by step (3), stirring
Mixing, adds remaining and prepares B material needed raw material, stirring mixing 3 hours, obtain B material；
Described B material is prepared by the raw material of following weight parts: 6-10 μm copper powder 48,30-60nm bronze 15,30-60nm aluminum
Powder 15,20-25 μm glass dust 10, organic carrier B 20, organic silicone oil 1.2, epoxy soybean oil 3, dimethyl phthalate
0.6；
(6) preparation is contained each raw material of solar cell conductive mixed slurry of plastic of poly vinyl acetate by weight
Mixing, ball milling, it is ground to slurry fineness and is less than 10 μm, adjust viscosity, viscosity is 200Pa s, to obtain final product；
Solar cell conductive mixed slurry containing plastic of poly vinyl acetate is to be prepared by the raw material of following weight parts:
A material 58, B material 26.8, triethyl citrate 0.4, octyl epoxy stearate 0.5, plastic of poly vinyl acetate 2.6, polyadipate
Ethylene glycol 2, Oleum Ricini 2, silane coupler KH602 2, organosilicon levelling agent 2.
Use screen process press to be printed on 125mm × 125mm Si substrate by silver slurry, be then dried at 180 DEG C, then
880 DEG C carry out quick fired electrodes lead-in wire, the contact conductor surface silvery white made after high temperature sintering, and smooth zero defect is peeled off strong
Spending 14 N/cm, soldering is functional, sheet resistance ＜ 10 Siements/sq, and the solar cell photoelectric transformation efficiency of preparation is
19.4%, tensile test result is adhesive force > 13N/mm2。
Claims (2)
1. the preparation method of the solar cell conductive mixed slurry containing plastic of poly vinyl acetate, it is characterised in that
Comprise 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 1200-
1300 DEG C of sintering 2-3h, then gained melting charge is poured into cold quenching-in water, ball milling, cross the sieve of different meshes, collect respectively and obtain
10-15 μm glass dust and 20-25 μm glass dust, then soak 3-5 hour with the hydrochloric acid solution that concentration is 5-7% respectively, then spend
Ionized water is cleaned to neutrality, dry the glass dust of different-grain diameter is standby；Described glass dust is by the raw material system of following weight parts
: Bi2O3 9.9-12.4,B2O3 4-6, Al2O3 3.6-4.9,SiO2 12.7-15.6, Sb2O3 8.4-9.6, Na2O 6-
8,K2O 7-9, CuO 10-12, As2O34.9-6.7, Co2O36-8, tree ash 9-12；
(2) after each raw material blending of organic carrier A being prepared by weight, stirring and dissolving at 70-75 DEG C, cross 300-500 mesh
Filter cloth, obtains organic carrier A standby；Described organic carrier A is prepared by the raw material of following weight parts: 138 rosin resin 9-
11, polyvinyl butyral resin 5-10, polyvinylpyrrolidone 1-2, n-butyl alcohol 15-18, isopropanol 15-18；
(3) after each raw material blending of organic carrier B being prepared by weight, stirring and dissolving at 65-70 DEG C, cross 600-800 mesh
Filter cloth, obtains organic carrier B standby；Described organic carrier B is prepared by the raw material of following weight parts: methylcellulose 8-10,
Benzyl alcohol 4-6, ethylene glycol 18-22, propylene glycol monobutyl ether 10-12；
(4) glass dust of the 10-15 μm obtained by step (1) is added the organic carrier A obtained by step (2) by weight
In, stirring mixing, add remaining and prepare A material needed raw material, stirring mixing 3-5 hour, obtain A material；Described A material by under
The raw material stating weight portion prepares: 1-5 μm argentum powder 55-58,11-15 μm argentum powder 20-25,30-60nm aluminium powder 10-15,10-15 μm glass
Glass powder 8-12, organic carrier A 16-18, octyl epoxy stearate 0.2-0.4；
(5) the 20-25 μm glass dust obtained by step (1) is added in the organic carrier B obtained by step (3), stirring mixing,
Add remaining and prepare B material needed raw material, stirring mixing 2-3 hour, obtain B material；Former by following weight parts of described B material
Material prepares: 6-10 μm copper powder 45-48,30-60nm bronze 10-15,30-60nm aluminium powder 10-15,20-25 μm glass dust 8-10,
Organic carrier B 15-20, organic silicone oil 0.5-1.2, epoxy soybean oil 2-3, dimethyl phthalate 0.4-0.6；
(6) each raw material of the solar cell conductive mixed slurry that preparation is contained plastic of poly vinyl acetate is the most mixed
Even, ball milling, it is ground to slurry fineness and is less than 10 μm, adjust viscosity, viscosity is 120-200Pa s, to obtain final product；Containing polyvinyl acetate
The solar cell conductive mixed slurry of vinyl acetate is to be prepared by the raw material of following weight parts: A expects that 58-61, B expect 24.8-
26.8, triethyl citrate 0.2-0.4, octyl epoxy stearate 0.3-0.5, plastic of poly vinyl acetate 1.8-2.6, poly-oneself two
Acid ethylene glycol 1-2, Oleum Ricini 1-2, silane coupler KH602 1-2, organosilicon levelling agent 1-2.
The system of a kind of solar cell conductive mixed slurry containing plastic of poly vinyl acetate the most according to claim 1
Preparation Method, it is characterised in that: described argentum powder is flake silver powder.
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| CN201210521635.7A CN103117130B (en) | 2012-12-07 | 2012-12-07 | A kind of preparation method of the solar cell conductive mixed slurry containing plastic of poly vinyl acetate |
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| CN103117130B true CN103117130B (en) | 2016-08-31 |
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| CN109801757A (en) * | 2018-12-27 | 2019-05-24 | 深圳市欧科力科技有限公司 | A kind of preparation method of electronic device electrode slurry |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950594A (en) * | 2010-09-20 | 2011-01-19 | 浙江大学 | Lead-free environment-friendly electronic Ag/Al (silver/aluminum) paste and preparation method thereof |
| CN102097154A (en) * | 2010-11-25 | 2011-06-15 | 长沙族兴金属颜料有限公司 | Back surface field aluminium paste for solar cells |
| CN102150220A (en) * | 2008-09-10 | 2011-08-10 | E.I.内穆尔杜邦公司 | Solar cell electrodes |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102754534B (en) * | 2010-02-26 | 2016-04-06 | 株式会社日立制作所 | The manufacture method of electronic unit, conductive paste and electronic unit |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150220A (en) * | 2008-09-10 | 2011-08-10 | E.I.内穆尔杜邦公司 | Solar cell electrodes |
| CN101950594A (en) * | 2010-09-20 | 2011-01-19 | 浙江大学 | Lead-free environment-friendly electronic Ag/Al (silver/aluminum) paste and preparation method thereof |
| CN102097154A (en) * | 2010-11-25 | 2011-06-15 | 长沙族兴金属颜料有限公司 | Back surface field aluminium paste for solar cells |
| 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 |
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Effective date of registration: 20181225 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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