CN104282357A - Preparation method of nanometer low-silver-content back silver conductor paste for crystalline silicon solar application - Google Patents
Preparation method of nanometer low-silver-content back silver conductor paste for crystalline silicon solar application Download PDFInfo
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Abstract
The invention discloses a preparation method of nanometer low-silver-content back silver conductor paste for crystalline silicon solar application. The method comprises the following steps of silver powder preparation, organic carrier preparation and nanometer silver conductor paste preparation. In silver powder preparation, a saturated silver nitrate and PVA mixed solution is added dropwise into a sodium borohydride solution, then water bath stirring is conducted, centrifugation, alcohol washing and low-temperature negative-pressure drying are conducted, and then silver powder with the grain size being 1 nm-100 nm can be obtained. According to the preparation method, the self-made nanometer silver powder is used for replacing micro-sized silver powder in existing back silver conductor paste, so that the conductive performance, the printing performance and the crystalline silicon substrate adhesion performance of the paste are changed, and application of the back silver conductor paste in crystalline silicon solar energy is greatly expanded; in addition, according to the method, the adding amount of the silver powder is greatly reduced, existing paste production equipment is used in the preparation process, extra new investment is not needed, environment protection is facilitated, and use of the precious metal silver is reduced.
Description
Technical field
The present invention relates to the preparation method of the low silver conductive paste of a kind of nanometer, particularly the low silver of a kind of nanometer is containing the preparation method of crystal silicon solar back of the body silver conductive paste.
Background technology
At present, along with the quickening of world energy consumption speedup, non-renewable energy resources reduce gradually, the mankind are in the fast Development carrying out wind energy, water energy, nuclear energy and solar energy, wherein especially develop environmental protection the most with solar energy, effective and resource is abundant, crystal silicon solar photoelectricity development of projects main is at present the rapidest.Wherein, the main component of the back silver paste of application includes function phase silver powder, inorganic binder (as glass powder, oxide powder etc.), organic binder bond, other solvent and additive.There are 2 shortcomings in the silver powder that this back of the body silver is taked at present, one is adopt micro silver powder more, namely silver powder mostly is micro nanometer silver powder, the slurry fineness made is larger, coarse, cause rete in printing process thicker, compactness is bad, produce hole, printing performance is bad, and then affects electric conductivity, and two is that silver powder content is higher, larger to the consumption of noble silver, thus crystal silicon solar photovoltaic device industrial production cost is strengthened, therefore in this case, develop a kind of low silver and just seem particularly important containing high performance crystal silicon solar back of the body silver conductive paste.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art; the object of this invention is to provide the preparation method of the low silver of a kind of nanometer containing crystal silicon solar back of the body silver conductive paste; can prepare conduct electricity very well, strong adhesion, printing performance are good, cost is low slurry; and this conductor paste has and has excellent wetability and compatibility with baseplate material, dielectric paste; there is good weatherability, be conducive to protection of the environment simultaneously.
To achieve these goals, the technical solution used in the present invention is:
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, the preparation of nano-silver powder
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.1-1.0mmol/L and 1.0-5.0mmol/L, slowly be added drop-wise to successively in 10-30mmol/L sodium borohydride solution, carry out stirring in water bath simultaneously, temperature controls at 20-70 DEG C, until solution is muddy, carry out centrifugation, carry out ethanol purge, and drying is carried out under 40-50 DEG C of low-temperature negative-pressure, obtain the nano-silver powder of particle diameter at 10nm-100nm; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
70 ~ 85 DEG C of heated at constant temperature, by mass percentage the organic binder bond of 20-60% is dissolved in the A solvent of 40-80%, abundant mixing obtains organic carrier after filtering, and this organic carrier is labeled as carrier-1;
70 ~ 85 DEG C of heated at constant temperature, dissolve in the B solvent of 45-85% by the organic binder bond of 15-55% by mass percentage, abundant mixing obtains organic carrier after filtering, and this organic carrier is labeled as carrier-2;
Step 3, the preparation of nano silver conductive paste
Be that to join mass percent be in the organic carrier of 35-75% for the nano-silver powder of 15-50% by the mass percent prepared by step one, organic carrier is carrier-1 or carrier-2, add the surfactant of the defoamer of 1-5%, the dispersant of 1-5%, the inorganic nano additive of 1-5%, the thickener of 1-5% and 1-6%, 1-7% leadless environment-friendly self-control glass dust more wherein, 60-120 minute is mixed in mixer, then 10 μm are less than through three rod mill millings to fineness, finally by filtration 800-1200 mesh standard sieve net, obtain nano silver conductive paste; The total amount of described nano-silver powder, organic carrier, defoamer, dispersant, inorganic nano additive, thickener, surfactant, leadless environment-friendly self-control glass dust is 100%.
In described step 2, A solvent is one or more in n-butanol, isoamyl alcohol, tertriary amylo alcohol, n-hexyl alcohol, when selecting two or more, is arbitrary proportion.
In described step 2, organic binder bond is one or more in mylar, polyurethane resin, acrylic resin, epoxy resin, organic siliconresin, when selecting two or more, is arbitrary proportion.
In described step 2 B solvent be 2-Butoxyethyl acetate, ethylene acetate, 1-Methoxy-2-propyl acetate, TC acetate one or more, when selecting two or more, be arbitrary proportion.
In described step 3, defoamer is dimethyl silicone polymer.
In described step 3, dispersant is polyacrylamide.
In described step 3, inorganic nano additive is the one in nano zine oxide, nano titanium oxide, nano oxidized strontium.
In described step 3, thickener is hydroxypropyl methylcellulose.
In described step 3, surfactant is phosphatidyl-ethanolamine.
In described step 3, mixer is planetary or other type mixer, and incorporation time is 60-120 minute.
The present invention's self-control nano-silver powder replaces the micron-sized silver powder in existing back of the body silver conductive paste, the reduction in silver granuel footpath, change the microstructure of silver conductive paste, thus change the electric conductivity of slurry, printing performance and crystalline silicon substrate adhesion property, greatly extend the application of back of the body silver conductive paste in crystal silicon solar
As can be seen from above preparation method, above-mentioned crystal silicon solar back of the body silver conductive paste and the major advantage of preparation process thereof are the following aspects:
1, above-mentioned conductor paste, mainly using nano-silver powder as function phase, first, can reduce the interpolation content of argent in back silver paste, secondly, greatly can improve application performance and the conductivity of this slurry.
2, the addition that a certain amount of nano inorganic additive can reduce argent is added, also can improve conductivity, the printing performance of slurry simultaneously, as nano zine oxide, strontium oxide strontia and titanium dioxide etc., the adhesive force etc. of the wetability of slurry, surface smoothness, intermiscibility, enhancing and substrate can be improved.
3, the organic solvent carriers in the present invention is fitted together according to a certain percentage by the solvent of different boiling and evaporation rate, silver conductive paste is successively volatilized in the processes such as printing, levelling, oven dry, not easily form the defect such as pore, crack, conductor paste is connected with other material firm, improves bonding strength.
The low silver of the nanometer prepared according to the method described above is containing crystal silicon solar back of the body silver conductive paste, and electric conductivity, ohm contact performance, base material adhesive property are excellent; There is good solderability and soldering resistance, and cost will be reduced greatly.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details.
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, the preparation of nano-silver powder
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.1-1.0mmol/L and 1.0-5.0mmol/L, slowly be added drop-wise to successively in 10-30mmol/L sodium borohydride solution, carry out stirring in water bath simultaneously, temperature controls at 20-70 DEG C, until solution is muddy, carry out centrifugation, carry out ethanol purge, and drying is carried out under 40-50 DEG C of low-temperature negative-pressure, obtain the nano-silver powder of particle diameter at 10nm-100nm; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.PVAC polyvinylalcohol solution can effectively stop Argent grain quick combination in the reaction to be reunited, and can be used as stabilizer and dispersant; Sodium borohydride is fine as silver ion reducing agent effect, can be used as effective reducing agent.
Step 2, the preparation of organic carrier
70 ~ 85 DEG C of heated at constant temperature, by mass percentage the organic binder bond of 20-60% is dissolved in the A solvent of 40-80%, abundant mixing obtains organic carrier after filtering, and this organic carrier is labeled as carrier-1;
70 ~ 85 DEG C of heated at constant temperature, dissolve in the B solvent of 45-85% by the organic binder bond of 15-55% by mass percentage, abundant mixing obtains organic carrier after filtering, and this organic carrier is labeled as carrier-2;
Step 3, the preparation of nano silver conductive paste
Be that to join mass percent be in the organic carrier of 35-75% for the nano-silver powder of 15-50% by the mass percent prepared by step one, organic carrier is carrier-1 or carrier-2, add the surfactant of the defoamer of 1-5%, the dispersant of 1-5%, the inorganic nano additive of 1-5%, the thickener of 1-5% and 1-6%, 1-7% leadless environment-friendly self-control glass dust more wherein, 60-120 minute is mixed in mixer, then 10 μm are less than through three rod mill millings to fineness, finally by filtration 800-1200 mesh standard sieve net, obtain nano silver conductive paste; The total amount of described nano-silver powder, organic carrier, defoamer, dispersant, inorganic nano additive, thickener, surfactant, leadless environment-friendly self-control glass dust is 100%.
In described step 2, A solvent is one or more in n-butanol, isoamyl alcohol, tertriary amylo alcohol, n-hexyl alcohol, when selecting two or more, is arbitrary proportion.
In described step 2, organic binder bond is one or more in mylar, polyurethane resin, acrylic resin, epoxy resin, organic siliconresin, when selecting two or more, is arbitrary proportion.
In described step 2 B solvent be 2-Butoxyethyl acetate, ethylene acetate, 1-Methoxy-2-propyl acetate, TC acetate one or more, when selecting two or more, be arbitrary proportion.
In described step 3, defoamer is dimethyl silicone polymer.
In described step 3, dispersant is polyacrylamide.
In described step 3, inorganic nano additive is the one in nano zine oxide, nano titanium oxide, nano oxidized strontium.。
In described step 3, thickener is hydroxypropyl methylcellulose.
Surfactant phospholipid acyl monoethanolamine in described step 3.
In described step 3, mixer is planetary or other type mixer, and incorporation time is 60-120 minute.
Embodiment one
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, nano-silver powder preparation
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.75mmol/L, 3.0mmol/L, slowly be added drop-wise to successively in the sodium borohydride solution of 15mmol/L, carry out 45 DEG C of stirring in water bath simultaneously, until solution is muddy, carry out centrifugation, carry out ethanol purge, and carry out drying under 40 DEG C of low-temperature negative-pressures, just can obtain particle diameter at 15nm-25nm silver powder; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
Added by the mylar of 45g in the n-butanol of 25g and the n-hexyl alcohol of 30g, heated at constant temperature under the temperature conditions of 70 DEG C, until dissolve completely, obtains organic carrier-1 after filtration; Added by the polyurethane resin of 30g in 40g 2-Butoxyethyl acetate and 30g ethylene acetate, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-2 after filtration;
Step 3, the preparation of nano silver conductive paste
The nano-silver powder taking 35g in step one is joined in the organic carrier of 55g, wherein carrier-1 is 30g, carrier-2 is 20g, add the phosphatidyl-ethanolamine of 1g polyacrylamide, 2g nano zine oxide, the dimethyl silicone polymer of 1g, the hydroxypropyl methylcellulose of 2g and 2g again, add 2g leadless environment-friendly self-control glass dust, mixing 60 minutes in planetary or other mixer, then be rolled down to fineness through three-roller and be less than 1 μm, obtain this nano-silver powder conductor paste through 1200 mesh standard sieves filtrations and be product.
Embodiment two
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, nano-silver powder preparation
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.85mmol/L, 3.5mmol/L, slowly be added drop-wise to the sodium borohydride solution of 15mmol/L successively, carry out 55 DEG C of stirring in water bath simultaneously, until solution is muddy, carry out centrifugation, carry out ethanol purge, and carry out drying under 40 DEG C of low-temperature negative-pressures, obtain particle diameter at 35nm-45nm silver powder; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
Added by the mylar of 35g in the n-butanol of 35g and the isoamyl alcohol of 30g, heated at constant temperature under the temperature conditions of 75 DEG C, until dissolve completely, obtains organic carrier-1 after filtration; Added by the acrylic resin of 35g in 35g 1-Methoxy-2-propyl acetate and 30g ethylene acetate, heated at constant temperature under the temperature conditions of 70 DEG C, until dissolve completely, obtains organic carrier-2 after filtration;
Step 3, the preparation of nano silver conductive paste:
The 40g nano-silver powder of preparation in step one is joined in the organic carrier of 47g, wherein carrier-1 is 27g, carrier-2 is 20g, add the phosphatidyl-ethanolamine of 2g polyacrylamide, 3g nano zine oxide, the dimethyl silicone polymer of 1g, the hydroxypropyl methylcellulose of 2g and 2g again, add 3g leadless environment-friendly self-control glass dust, mixing 70 minutes in planetary or other mixer, then be rolled down to fineness through three-roller and be less than 3 μm, obtain this nano-silver powder conductor paste through 1000 mesh standard sieves filtrations and be product.
Embodiment three
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, nano-silver powder preparation
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.80mmol/L, 4.0mmol/L, slowly be added drop-wise to successively in 20mmol/L sodium borohydride solution, carry out 60 DEG C of stirring in water bath simultaneously, until solution is muddy, carry out centrifugation, ethanol purge, and drying is carried out under 40 DEG C of low-temperature negative-pressures, obtain particle diameter at 45nm-55nm silver powder; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
Add in the tertriary amylo alcohol of 40g and the isoamyl alcohol of 25g by the mylar of 10g, 25g epoxy resin, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-1 after filtration; Added by the organic siliconresin of 35g in 35g TC acetate and 30g ethylene acetate, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-2 after filtration;
Step 3, the preparation of nano silver conductive paste
The 45g nano-silver powder of preparation in step one is joined in the organic carrier of 37g, wherein carrier-1 is 17g, carrier-2 is 20g, add 2g polyacrylamide, 4g nano titanium oxide, 2g dimethyl silicone polymer, 3g hydroxypropyl methylcellulose and 3g phosphatidyl-ethanolamine again, add 4g leadless environment-friendly self-control glass dust, mixing 80 minutes in planetary or other mixer, then be rolled down to fineness through three-roller and be less than 5 μm, obtain this nano-silver powder conductor paste through 800 mesh standard sieves filtrations and be product.
Embodiment four
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, nano-silver powder preparation
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.85mmol/L, 4.5mmol/L, slowly be added drop-wise to successively in 30mmol/L sodium borohydride solution, carry out 65 DEG C of stirring in water bath simultaneously, until solution is muddy, carry out centrifugation, carry out ethanol purge, and carry out drying under 45 DEG C of low-temperature negative-pressures, obtain particle diameter at 50nm-60nm silver powder; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
Add in the tertriary amylo alcohol of 15g and the n-hexyl alcohol of 55g by the mylar of 15g, the acrylic resin of 15g, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-1 after filtration; Added by the polyurethane resin of 35g in the TC acetate of 35g and the ethylene acetate of 30g, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-2 after filtration;
Step 3, the preparation of nano silver conductive paste
The nano-silver powder of 48g is joined in the organic carrier of 43g, wherein carrier-1 is 23g, carrier-2 is 20g, add 2g polyacrylamide, the nano oxidized strontium of 2g, 2g dimethyl silicone polymer, 1g hydroxypropyl methylcellulose and 1g phosphatidyl-ethanolamine again, add 1g leadless environment-friendly self-control glass dust, in planetary or other mixer, mixing 90 minutes, is then rolled down to fineness through three-roller and is less than 5 μm, filters obtain this nano-silver powder conductor paste and be product through 800 mesh standard sieves.
Embodiment five
The low silver of nanometer, containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, nano-silver powder preparation
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.95mmol/L, 5.0mmol/L, slowly be added drop-wise to successively in 10mmol/L sodium borohydride solution, carry out 45 DEG C of stirring in water bath simultaneously, until solution is muddy, carry out centrifugation, carry out ethanol purge, and carry out drying under 45 DEG C of low-temperature negative-pressures, obtain particle diameter at 70nm-80nm silver powder; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
Add in the isoamyl alcohol of 25g and the n-hexyl alcohol of 30g by the polyurethane resin of 20g, the organic siliconresin of 25g, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-1 after filtration; Add in the ethylene acetate of 25g and the ethylene acetate of 35g by the polyurethane resin of 15g, the epoxy resin of 25g, heated at constant temperature under the temperature conditions of 80 DEG C, until dissolve completely, obtains organic carrier-2 after filtration;
Step 3, the preparation of nano silver conductive paste
The nano-silver powder of 50g is joined in the organic carrier of 38g, wherein carrier-1 is 18g, carrier-2 is 20g, add the phosphatidyl-ethanolamine of 1g polyacrylamide, the nano oxidized strontium of 2g, 1g dimethyl silicone polymer, 1g hydroxypropyl methylcellulose and 2g again, add 5g leadless environment-friendly self-control glass dust, in planetary or other mixer, mixing 100 minutes, is then rolled down to fineness through three-roller and is less than 10 μm, filters obtain this nano-silver powder conductor paste and be product through 800 mesh standard sieves.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that the specific embodiment of the present invention is only limitted to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the present invention by submitted to claims determination scope of patent protection.
Claims (10)
1. the low silver of nanometer is containing a preparation method for crystal silicon solar back of the body silver conductive paste, comprises the following steps:
Step one, the preparation of nano-silver powder
By the PVAC polyvinylalcohol solution of the liquor argenti nitratis ophthalmicus of 0.1-1.0mmol/L and 1.0-5.0mmol/L, slowly be added drop-wise to successively in 10-30mmol/L sodium borohydride solution, carry out stirring in water bath simultaneously, temperature controls at 20-70 DEG C, until solution is muddy, carry out centrifugation, carry out ethanol purge, and drying is carried out under 40-50 DEG C of low-temperature negative-pressure, obtain the nano-silver powder of particle diameter at 10nm-100nm; The volume ratio of liquor argenti nitratis ophthalmicus, PVAC polyvinylalcohol solution and sodium borohydride solution is: 2:7:1.
Step 2, the preparation of organic carrier
70 ~ 85 DEG C of heated at constant temperature, by mass percentage the organic binder bond of 20-60% is dissolved in the A solvent of 40-80%, abundant mixing obtains organic carrier after filtering, and this organic carrier is labeled as carrier-1;
70 ~ 85 DEG C of heated at constant temperature, dissolve in the B solvent of 45-85% by the organic binder bond of 15-55% by mass percentage, abundant mixing obtains organic carrier after filtering, and this organic carrier is labeled as carrier-2;
Step 3, the preparation of nano silver conductive paste
Be that to join mass percent be in the organic carrier of 35-75% for the nano-silver powder of 15-50% by the mass percent prepared by step one, organic carrier is carrier-1 or carrier-2, add the surfactant of the defoamer of 1-5%, the dispersant of 1-5%, the inorganic nano additive of 1-5%, the thickener of 1-5% and 1-6%, 1-7% leadless environment-friendly self-control glass dust more wherein, 60-120 minute is mixed in mixer, then 10 μm are less than through three rod mill millings to fineness, finally by filtration 800-1200 mesh standard sieve net, obtain nano silver conductive paste; The total amount of described nano-silver powder, organic carrier, defoamer, dispersant, inorganic nano additive, thickener, surfactant, leadless environment-friendly self-control glass dust is 100%.
2. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, it is characterized in that, in described step 2, A solvent is one or more in n-butanol, isoamyl alcohol, tertriary amylo alcohol, n-hexyl alcohol, when selecting two or more, is arbitrary proportion.
3. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, it is characterized in that, in described step 2, organic binder bond is one or more in mylar, polyurethane resin, acrylic resin, epoxy resin, organic siliconresin, when selecting two or more, it is arbitrary proportion.
4. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, it is characterized in that, in described step 2 B solvent be 2-Butoxyethyl acetate, ethylene acetate, 1-Methoxy-2-propyl acetate, TC acetate one or more, when selecting two or more, it is arbitrary proportion.
5. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, and it is characterized in that, in described step 3, defoamer is dimethyl silicone polymer.
6. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, and it is characterized in that, in described step 3, dispersant is polyacrylamide.
7. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, and it is characterized in that, in described step 3, inorganic nano additive is the one in nano zine oxide, nano titanium oxide, nano oxidized strontium.
8. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, and it is characterized in that, in described step 3, thickener is hydroxypropyl methylcellulose.
9. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, it is characterized in that, Surfactant phospholipid acyl monoethanolamine in described step 3.
10. the low silver of a kind of nanometer according to claim 1 is containing the preparation method of crystal silicon solar back of the body silver conductive paste, and it is characterized in that, in described step 3, mixer is planetary or other type mixer, and incorporation time is 60-120 minute.
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| CN201410510278.3A CN104282357B (en) | 2014-09-28 | The low silver of a kind of nanometer is containing the preparation method of crystal silicon solar back of the body silver conductive paste |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101015106B1 (en) * | 2008-06-26 | 2011-02-16 | 동양나노테크 주식회사 | Method for preparing nano-silver particle and detergent composition by using them |
| CN102426873A (en) * | 2011-12-28 | 2012-04-25 | 彩虹集团公司 | Silicon solar battery positive silver paste and preparation method thereof |
| CN102903421A (en) * | 2012-08-22 | 2013-01-30 | 广州市儒兴科技开发有限公司 | Crystalline silicon solar cell back side silver slurry with low silver content and preparation method thereof |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101015106B1 (en) * | 2008-06-26 | 2011-02-16 | 동양나노테크 주식회사 | Method for preparing nano-silver particle and detergent composition by using them |
| CN102426873A (en) * | 2011-12-28 | 2012-04-25 | 彩虹集团公司 | Silicon solar battery positive silver paste and preparation method thereof |
| CN102903421A (en) * | 2012-08-22 | 2013-01-30 | 广州市儒兴科技开发有限公司 | Crystalline silicon solar cell back side silver slurry with low silver content and preparation method thereof |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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