CN102810343A - Crystalline silicon solar cell back electrode silver paste and manufacturing method thereof - Google Patents
Crystalline silicon solar cell back electrode silver paste and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to a crystalline silicon solar cell back electrode silver paste and a manufacturing method thereof. According to the formula, the crystalline silicon solar cell back electrode silver paste comprises the following components in percentage by weight: 56 to 65 percent of silver powder, 4 to 12 percent of inorganic glass powder and 25 to 35 percent of organic carrier. The method for manufacturing the crystalline silicon solar cell back electrode silver paste comprises the following steps of: preparing the organic carrier, namely adding an organic solvent into a container, adding an organic resin with stirring, raising the temperature to 80 to 100 DEG C, reducing the temperature to 40 to 50 DEG C, adding a surfactant and filtering to obtain the organic carrier; preparing the inorganic glass powder, namely uniformly mixing the raw materials, smelting the raw materials in a high-temperature resistance furnace, taking the materials out, performing water quenching, crushing, ball-milling and screening the raw materials, drying and screening to obtain the inorganic glass powder; and preparing the paste, namely mixing the silver powder, the inorganic glass powder and the organic carrier to form paste, and rolling and grinding the paste to the slurry with the fineness of less than 10 mu m by using a three-roll machine to obtain the crystalline silicon solar cell back electrode silver paste. After being sintered with a crystalline silicon base material, the paste has high adhesive force and welding strength, and when the paste is applied to a solar cell, the highest photoelectric conversion efficiency is 18.05 percent.
Description
Technical field
The present invention relates to a kind of crystal silicon solar batteries backplate silver slurry and preparation method thereof, belong to semiconductor and technical field of solar batteries.
Background technology
Crystal silicon solar batteries backplate silver slurry is the major part in the solar cell, as back electrode.Its composition comprises organic carrier, unorganic glass powder and silver powder.Often with adhesive force, solderability, soldering resistance, consumption, be used for the performance that indexs such as conversion efficiency behind the battery sheet are weighed the back silver slurry.
Existing back silver paste exists many shortcoming and defect on the market.At first, in order to increase the photoelectric conversion efficiency of battery sheet, increase the content of silver powder; The shared part by weight of general silver powder is 75%～85%, has so not only caused the waste of resource, has increased the cost of slurry; And high solid content also can cause the sand holes phenomenon in the printing process, is unfavorable for welding.Secondly, the back silver paste of main flow is all leaded at present, helps the raising of battery sheet conversion efficiency because of lead element.But; The RoHS of European Union instruction in recent years spells out; The electric slurry industry bans use of Pb, Cd, Hg, Cr, PBBs PBB, PBDE PBDE; And phthalic acid ester is also had restriction, also limit in " electronics and information industry portion pollutes the protection management method " that China Ministry of Information Industry formulates comprehensively or forbid using in the electronic product poisonous and harmful elements such as Pb, Cd, Hg, the Reach rules also have strict requirement to the use of poisonous and harmful element.Therefore, back silver paste unleaded and not contain above-mentioned poisonous and harmful substance be development trend.The 3rd, from carrying on the back the index analysis such as adhesive force and solderability soldering resistance between silver and the silicon chip, the existing back silver paste in market still remains at low levels, and causes battery sheet scrappage high, and the life-span of battery component is short.This with back silver paste in the kind and the proportioning of chemical composition have very large related.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of crystal silicon solar batteries backplate silver slurry and preparation method thereof is provided.
The object of the invention is realized through following technical scheme:
Crystal silicon solar batteries backplate silver slurry comprises following percentage by weight composition: silver powder 56～65wt%, unorganic glass powder 4～12wt%, organic carrier 25～35 wt %.
Further, above-mentioned crystal silicon solar batteries backplate silver slurry, the average grain diameter D50:2.0 of said silver powder～4.0 μ m.
Further, above-mentioned crystal silicon solar batteries backplate silver slurry, said unorganic glass powder comprises following percentage by weight composition: silicon dioxide 9～15wt%; Bismuth oxide 40～60wt%, barium monoxide 20～25wt%, zinc oxide 2～12wt%; Boron oxide 6～15wt%, lithia 1～8wt%.
Further, above-mentioned crystal silicon solar batteries backplate silver slurry, said organic carrier comprises following percentage by weight composition: organic resin 2～15wt%, organic solvent 80～95wt%, surfactant: 0.5～5wt%.
Again further, above-mentioned crystal silicon solar batteries backplate silver slurry, said organic resin is one or more in ethyl cellulose, celluloid, the alkyd resins.Said organic solvent is one or more in terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol monobutyl ether, the ethylene glycol phenyl ether.Said surfactant is one or more in lecithin, class of department, the lanolin.
The preparation method of crystal silicon solar batteries backplate silver slurry of the present invention may further comprise the steps:
1. prepare organic carrier: according to composition proportion, earlier organic solvent is added in the container, under agitation add organic resin again, be warming up to 80～100 ℃, be incubated 0.5～3 hour, cool to 40～50 ℃ and add surfactant down, filter and obtain organic carrier;
2. prepare the unorganic glass powder: take by weighing raw material according to composition proportion; Mix; Place high temperature resistance furnace to carry out melting,, take out back shrend, pulverizing, ball milling, sieve in 900～1400 ℃ of hot melts 0.5～3 hour; After 60～90 ℃ of dryings, sieving obtains the unorganic glass powder that average grain diameter is 0.1～2 μ m;
3. prepare slurry: according to composition proportion, silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 50～80PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Again further, the preparation method of above-mentioned crystal silicon solar batteries backplate silver slurry may further comprise the steps:
1. prepare organic carrier: according to composition proportion: organic resin 2～15wt%, organic solvent 80～95wt%, surfactant: 0.5～5wt%; Earlier organic solvent is added in the container, under agitation add organic resin again, be warming up to 80～100 ℃, be incubated 0.5～3 hour, cool to 40～50 ℃ and add surfactant down, filter and obtain organic carrier;
2. prepare the unorganic glass powder: according to becoming to distribute: silicon dioxide 9～15wt%, bismuth oxide 40～60 wt%, barium monoxide 20～25 wt%, zinc oxide 2～12 wt%, boron oxide 6～15 wt%, lithia 1～8wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 900～1400 ℃ of hot melts 0.5～3 hour, take out back shrend, pulverizing, ball milling, sieve, after 60～90 ℃ of dryings, sieving obtains the unorganic glass powder that average grain diameter is 0.1～2 μ m;
3. prepare slurry: according to composition proportion: silver powder 56～65wt%, unorganic glass powder 4～12wt%, organic carrier 25～35 wt %; Silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 50～80PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Again further, the preparation method of above-mentioned crystal silicon solar batteries backplate silver slurry, step 1. in, said organic resin is one or more in ethyl cellulose, celluloid, the alkyd resins; Said organic solvent is one or more in terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol monobutyl ether, the ethylene glycol phenyl ether; Said surfactant is one or more in lecithin, class of department, the lanolin.
Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:
The present invention makes crystal silicon solar batteries backplate silver slurry through the prescription adjustment of slurry and the control of technology, and the content of silver powder is lower than the standard of main product 75～85% between 56～65%, save material; Element and compounds such as not leaded poisonous and harmful such as grade meet the RoHS of European Union, Reach rules and domestic industry standard; Have better adhesive force and weld strength behind this slurry and the crystal silicon base material sintering, be applied to that electricity conversion reaches as high as 18.05% on the solar cell.
Embodiment
The present invention provides a kind of crystal silicon solar batteries backplate silver slurry and preparation method thereof; With lower silver content; Under the prerequisite of not using poisonous and harmful element; Through the screening of prescription and preparation method's adjustment, make back of the body silver have solderability, soldering resistance and adhesive force preferably, and the photoelectric efficiency advantages of higher.
Crystal silicon solar batteries backplate silver slurry, its composition proportion is: silver powder 56～65wt%, unorganic glass powder 4～12wt%, organic carrier 25～35wt%.Wherein, the average grain diameter D50:2.0 of silver powder～4.0 μ m.The unorganic glass powder comprises following percentage by weight composition: silicon dioxide 9～15wt%, bismuth oxide 40～60 wt%, barium monoxide 20～25 wt%, zinc oxide 2～12 wt%, boron oxide 6～15 wt%, lithia 1～8wt%.Organic carrier comprises following percentage by weight composition: organic resin 2～15wt%, organic solvent 80～95wt%, surfactant: 0.5～5wt%; Organic resin is one or more in ethyl cellulose, celluloid, the alkyd resins; Organic solvent is one or more in terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol monobutyl ether, the ethylene glycol phenyl ether, and surfactant is one or more in lecithin, class of department, the lanolin.
The concrete technology of preparation crystal silicon solar batteries backplate silver slurry is:
1. prepare organic carrier: according to composition proportion: organic resin 2～15wt%, organic solvent 80～95 wt %, surfactant: 0.5～5 wt%; Earlier organic solvent is added in the container, under agitation add organic resin again, be warming up to 80～100 ℃, be incubated 0.5～3 hour, cool to 40～50 ℃ and add surfactant down, filter and obtain organic carrier; Wherein, Organic resin is one or more in ethyl cellulose, celluloid, the alkyd resins; Organic solvent is one or more in terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol monobutyl ether, the ethylene glycol phenyl ether, and surfactant is one or more in lecithin, class of department, the lanolin;
2. prepare the unorganic glass powder: according to becoming to distribute: silicon dioxide 9～15wt%, bismuth oxide 40～60wt%, barium monoxide 20～25wt%, zinc oxide 2～12wt%, boron oxide 6～15wt%, lithia 1～8wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 900～1400 ℃ of hot melts 0.5～3 hour, take out back shrend, pulverizing, ball milling, sieve, after 60～90 ℃ of dryings, sieving obtains the unorganic glass powder that average grain diameter is 0.1～2 μ m;
3. prepare slurry: according to composition proportion: silver powder 56～65wt%, unorganic glass powder 4～12wt%, organic carrier 25～35wt%; Silver powder, unorganic glass powder and organic carrier are mixed, the average grain diameter D50:2.0 of silver powder～4.0 μ m, the furnishing pasty state, less than 10 μ m, viscosity is 50～80PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Embodiment 1
Preparation organic carrier: according to composition proportion: ethyl cellulose 7wt%, celluloid 1 wt%, terpinol 60wt%, diethylene glycol monobutyl ether 5wt%, diethylene glycol monobutyl ether acetate 10wt%, n-butanol 4wt%, ethylene glycol phenyl ether 12wt%, the 1wt% of class of department; Terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol phenyl ether are added in the container; Under agitation add ethyl cellulose, celluloid again, be warming up to 85 ± 2 ℃, be incubated 1 hour; Cool to 45 ℃ of classes of adding department, filter and obtain organic carrier.
Preparation unorganic glass powder: according to composition proportion: silicon dioxide 9wt%, bismuth oxide 45wt%, barium monoxide 22wt%, zinc oxide 7wt%, boron oxide 12wt%, lithia 5wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 1000 ℃ of hot melts 2 hours, take out back shrend, pulverizing, ball milling, sieve, after 70 ± 5 ℃ of dryings, sieving obtains the glass dust that average grain diameter is 0.1～2 μ m.
Preparation slurry: according to composition proportion: organic carrier 29.2wt%, unorganic glass powder 11.5wt%, the silver powder 59.3wt% of average grain diameter D50:2.0～4.0 μ m; Silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 55PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Embodiment 2
Preparation organic carrier: according to composition proportion: ethyl cellulose 8wt%, alkyd resins 2wt%, terpinol 52wt%, diethylene glycol monobutyl ether acetate 20wt%, ethylene glycol monobutyl ether 14wt%, ethylene glycol phenyl ether 2wt%, lecithin 2wt%; Terpinol, diethylene glycol monobutyl ether acetate, ethylene glycol monobutyl ether, ethylene glycol phenyl ether are added in the container; Under agitation add ethyl cellulose, alkyd resins again, be warming up to 83 ± 2 ℃, be incubated 1.5 hours; Cool to 45 ℃ and add lecithin, filter and obtain organic carrier;
Preparation unorganic glass powder: according to composition proportion: silica 1 4wt%, bismuth oxide 50wt%, barium monoxide 20wt%, zinc oxide 6wt%, boron oxide 7wt%, lithia 3wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 1100 ℃ of hot melts 1.5 hours, take out back shrend, pulverizing, ball milling, sieve, after 72 ± 5 ℃ of dryings, sieving obtains the glass dust that average grain diameter is 0.1～2 μ m.
Preparation slurry: according to composition proportion: organic carrier 31.5wt%, unorganic glass powder 7.3wt%, the silver powder 61.2wt% of average grain diameter D50:2.0～4.0 μ m; Silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 62PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Embodiment 3
Preparation organic carrier: according to composition proportion: ethyl cellulose 1wt%, celluloid 9wt%, terpinol 71wt%, diethylene glycol monobutyl ether 3wt%, n-butanol 10wt%, ethylene glycol phenyl ether 5wt%, lecithin 1wt%; Terpinol, diethylene glycol monobutyl ether, n-butanol, ethylene glycol phenyl ether are added in the container, under agitation add ethyl cellulose, celluloid again, be warming up to 85 ± 2 ℃, be incubated 1 hour, cool to 50 ℃ and add lecithin, filter and obtain organic carrier.
Preparation unorganic glass powder: according to composition proportion: silica 1 1wt%, bismuth oxide 48wt%, barium monoxide 24wt%, zinc oxide 10wt%, boron oxide 6wt%, lithia 1wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 1200 ℃ of hot melts 0.5 hour, take out back shrend, pulverizing, ball milling, sieve, after 75 ± 5 ℃ of dryings, sieving obtains the glass dust that average grain diameter is 0.1～2 μ m.
Preparation slurry: according to composition proportion: organic carrier 32.8wt%, unorganic glass powder 9.4wt%, the silver powder 57.8wt% of average grain diameter D50:2.0～4.0 μ m; Silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 70PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Embodiment 4
Preparation organic carrier: according to composition proportion: celluloid 11wt%, terpinol 65wt%, diethylene glycol monobutyl ether 6wt%, diethylene glycol monobutyl ether acetate 5wt%, ethylene glycol monobutyl ether 11wt%, lanolin 1wt%, 1 wt% of class of department; Terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, ethylene glycol monobutyl ether are added in the container; Under agitation add celluloid again, be warming up to 85 ± 2 ℃, be incubated 1 hour; Cool to 50 ℃ and add lanolin, class of department, filter and obtain organic carrier.
Preparation unorganic glass powder: according to composition proportion: silica 1 0wt%, bismuth oxide 55wt%, barium monoxide 21wt%, zinc oxide 3wt%, boron oxide 9wt%, lithia 2wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 1250 ℃ of hot melts 0.5 hour, take out back shrend, pulverizing, ball milling, sieve, after 75 ± 5 ℃ of dryings, sieving obtains the glass dust that average grain diameter is 0.1～2 μ m.
Preparation slurry: according to composition proportion: organic carrier 27.6wt%, unorganic glass powder 10.4wt%, the silver powder 62.0wt% of average grain diameter D50:2.0～4.0 μ m; Silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 58PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
Above embodiment 1～4 preparation gained back silver slurry is as shown in the table with the test result of commercially available back silver slurry:
| ? | Consumption (g) | Solderability (%) | Soldering resistance (%) | Adhesive force (N) | Efficient (%) |
| Embodiment 1 | 0.030 | 95 | 94 | 6.3 | 18.02 |
| Embodiment 2 | 0.028 | 94 | 94 | 6.7 | 18.05 |
| Embodiment 3 | 0.025 | 93 | 95 | 7.3 | 17.98 |
| Embodiment 4 | 0.031 | 95 | 93 | 7.2 | 17.94 |
| Market contrast 1 | 0.035 | 91 | 89 | 3.8 | 17.53 |
| Market contrast 2 | 0.041 | 92 | 90 | 4.2 | 17.39 |
The present invention is through the prescription adjustment of slurry and the control of manufacture craft, and the content of silver powder is lower than the standard of main product 75～85% between 56～65%, save material; Element and compounds such as not leaded poisonous and harmful such as grade meet the RoHS of European Union, U.S. Reach and domestic industry standard; Have better adhesive force and weld strength behind this slurry and the crystal silicon base material sintering, be applied to that electricity conversion reaches as high as 18.05% on the solar cell.
What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. crystal silicon solar batteries backplate silver slurry is characterized in that comprising following percentage by weight composition: silver powder 56～65wt%, unorganic glass powder 4～12wt%, organic carrier 25～35 wt%.
2. crystal silicon solar batteries backplate silver slurry according to claim 1 is characterized in that: the average grain diameter D50:2.0 of said silver powder～4.0 μ m.
3. crystal silicon solar batteries backplate silver slurry according to claim 1; It is characterized in that: said unorganic glass powder comprises following percentage by weight composition: silicon dioxide 9～15wt%; Bismuth oxide 40～60 wt%, barium monoxide 20～25 wt%, zinc oxide 2～12 wt%; Boron oxide 6～15 wt%, lithia 1～8wt%.
4. crystal silicon solar batteries backplate silver slurry according to claim 1, it is characterized in that: said organic carrier comprises following percentage by weight composition: organic resin 2～15wt%, organic solvent 80～95 wt %, surfactant: 0.5～5 wt %.
5. crystal silicon solar batteries backplate silver slurry according to claim 4, it is characterized in that: said organic resin is one or more in ethyl cellulose, celluloid, the alkyd resins.
6. crystal silicon solar batteries backplate silver slurry according to claim 4, it is characterized in that: said organic solvent is one or more in terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol monobutyl ether, the ethylene glycol phenyl ether.
7. crystal silicon solar batteries backplate silver slurry according to claim 4 is characterized in that: said surfactant is one or more in lecithin, class of department, the lanolin.
8. the preparation method of the described crystal silicon solar batteries backplate of claim 1 silver slurry is characterized in that may further comprise the steps:
1. prepare organic carrier: according to composition proportion, earlier organic solvent is added in the container, under agitation add organic resin again, be warming up to 80～100 ℃, be incubated 0.5～3 hour, cool to 40～50 ℃ and add surfactant down, filter and obtain organic carrier;
2. prepare the unorganic glass powder: take by weighing raw material according to composition proportion; Mix; Place high temperature resistance furnace to carry out melting,, take out back shrend, pulverizing, ball milling, sieve in 900～1400 ℃ of hot melts 0.5～3 hour; After 60～90 ℃ of dryings, sieving obtains the unorganic glass powder that average grain diameter is 0.1～2 μ m;
3. prepare slurry: according to composition proportion, silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 50～80PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
9. the preparation method of crystal silicon solar batteries backplate silver slurry according to claim 8 is characterized in that may further comprise the steps:
1. prepare organic carrier: according to composition proportion: organic resin 2～15wt%, organic solvent 80～95 wt %, surfactant: 0.5～5 wt %; Earlier organic solvent is added in the container, under agitation add organic resin again, be warming up to 80～100 ℃, be incubated 0.5～3 hour, cool to 40～50 ℃ and add surfactant down, filter and obtain organic carrier;
2. prepare the unorganic glass powder: according to becoming to distribute: silicon dioxide 9～15wt%, bismuth oxide 40～60 wt%, barium monoxide 20～25 wt%, zinc oxide 2～12 wt%, boron oxide 6～15 wt%, lithia 1～8wt%; All raw materials mix are even, place high temperature resistance furnace to carry out melting, in 900～1400 ℃ of hot melts 0.5～3 hour, take out back shrend, pulverizing, ball milling, sieve, after 60～90 ℃ of dryings, sieving obtains the unorganic glass powder that average grain diameter is 0.1～2 μ m;
3. prepare slurry: according to composition proportion: silver powder 56～65wt%, unorganic glass powder 4～12wt%, organic carrier 25～35 wt %; Silver powder, unorganic glass powder and organic carrier are mixed, the furnishing pasty state, less than 10 μ m, viscosity is 50～80PaS with the rolling slurry fineness that is ground to of three-roller, promptly obtains crystal silicon solar batteries backplate silver slurry.
10. the preparation method of crystal silicon solar batteries backplate according to claim 9 silver slurry is characterized in that: step 1. in, said organic resin is one or more in ethyl cellulose, celluloid, the alkyd resins; Said organic solvent is one or more in terpinol, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, n-butanol, ethylene glycol monobutyl ether, the ethylene glycol phenyl ether; Said surfactant is one or more in lecithin, class of department, the lanolin.
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| CN103177796A (en) * | 2013-03-22 | 2013-06-26 | 苏州开元民生科技股份有限公司 | Back electrode silver paste of crystalline silicon solar battery and preparation method for back electrode silver paste |
| CN103514976A (en) * | 2013-10-11 | 2014-01-15 | 乐山新天源太阳能科技有限公司 | Solar cell back-side silver paste |
| CN104599742A (en) * | 2015-02-05 | 2015-05-06 | 苏州晶讯科技股份有限公司 | Conductive slurry for thin-film solar cell |
| CN105632590A (en) * | 2016-03-18 | 2016-06-01 | 苏州开元民生科技股份有限公司 | Crystal silicon solar cell aluminum paste and preparation method therefor |
| CN106803441A (en) * | 2015-10-26 | 2017-06-06 | 康准电子科技（昆山）有限公司 | Silicon solar cell back electrode silver paste and preparation method thereof |
| CN112259279A (en) * | 2020-10-19 | 2021-01-22 | 厦门翰森达电子科技有限公司 | Environment-friendly waterborne conductive silver paste for automobile glass |
| CN114843004A (en) * | 2022-04-15 | 2022-08-02 | 北京大学深圳研究生院 | Conductive silver paste and preparation method and application thereof |
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| CN103177796A (en) * | 2013-03-22 | 2013-06-26 | 苏州开元民生科技股份有限公司 | Back electrode silver paste of crystalline silicon solar battery and preparation method for back electrode silver paste |
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| CN104599742A (en) * | 2015-02-05 | 2015-05-06 | 苏州晶讯科技股份有限公司 | Conductive slurry for thin-film solar cell |
| CN106803441A (en) * | 2015-10-26 | 2017-06-06 | 康准电子科技（昆山）有限公司 | Silicon solar cell back electrode silver paste and preparation method thereof |
| CN105632590A (en) * | 2016-03-18 | 2016-06-01 | 苏州开元民生科技股份有限公司 | Crystal silicon solar cell aluminum paste and preparation method therefor |
| CN112259279A (en) * | 2020-10-19 | 2021-01-22 | 厦门翰森达电子科技有限公司 | Environment-friendly waterborne conductive silver paste for automobile glass |
| CN112259279B (en) * | 2020-10-19 | 2022-03-18 | 厦门翰森达电子科技有限公司 | Environment-friendly waterborne conductive silver paste for automobile glass |
| CN114843004A (en) * | 2022-04-15 | 2022-08-02 | 北京大学深圳研究生院 | Conductive silver paste and preparation method and application thereof |
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