CN102993614B - Electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier - Google Patents
Electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier Download PDFInfo
- Publication number
- CN102993614B CN102993614B CN201210446518.9A CN201210446518A CN102993614B CN 102993614 B CN102993614 B CN 102993614B CN 201210446518 A CN201210446518 A CN 201210446518A CN 102993614 B CN102993614 B CN 102993614B
- Authority
- CN
- China
- Prior art keywords
- based carrier
- electric slurry
- aqueous based
- aqueous
- weight percentage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to a kind of electric slurry aqueous based carrier, containing the electric slurry of this carrier and preparation thereof.The component of this aqueous based carrier and weight percentage thereof are: deionized water 70-93.5%, aqueous binders 5-15%, dispersion agent 0.5-5%, softening agent 1-10%; Containing the composition of the electric slurry of this aqueous based carrier and weight percentage thereof be: conductive particle 50-79%, glass powder 1-10%, above-mentioned aqueous based carrier 20-40%; This preparation increases use vacuum mixer with dispersed conducting particles and the bubble removed in slurry containing the method for the electric slurry of aqueous based carrier compared with ordinary method.Compared with prior art, the aqueous based carrier feature of environmental protection of the present invention is good, and cost is low, good with the wetting property of powder; The present invention can realize outstanding depth-width ratio, environmental protection containing the electric slurry of aqueous based carrier; In addition, the present invention's preparation contributes to containing the method for the electric slurry of aqueous based carrier the performance promoting electric slurry further.
Description
Technical field
The present invention relates to a kind of electric slurry used for solar batteries, be specifically related to a kind of electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier.
Background technology
Solar cell is a kind of semiconducter device that can convert solar energy into electrical energy.Along with giving prominence to gradually of energy problem, solar cell will be more and more obvious as a kind of effect utilizing the mode of renewable energy source to play in energy-saving and emission-reduction, and the market requirement of solar battery sheet is also by increasing.In the production process of solar battery sheet, electric slurry is one of main raw material.Wherein, anode silver paste is used for making the grid line of cell piece, comprises thin grid and main grid; Back field aluminum paste is used for making the back of the body electric field of cell piece; Back silver paste is used for making the backplate of cell piece.All need to use solvent in this several electric slurry; Common electric slurry used for solar batteries mostly is solvent-borne type, and in drying process, solvent can evaporate in environment, both causes pollution to environment, also creates harm to the health of staff.In addition, solvent used is non-renewable, improves its production cost.
As the surrogate of solvent-borne type electric slurry, publication number is solar cell anode silver paste disclosing a kind of environment protection water-based system in the Chinese patent of CN102592705A and preparation method thereof, this silver slurry uses aqueous based carrier to replace conventional organic carrier, has the feature of environmental protection; But because glassware for drinking water has high surface tension, the wetting property of its aqueous based carrier used and powder is poor, in the slurry of preparation, inevitably there is bubble, this makes electrode and the meticulous densification printing of grid line be difficult to realize.In addition, easily there is the problems such as electrode craze and transfiguration in this kind of slurry drying process after printing.Therefore, prepare a kind of aqueous based carrier of excellent performance and prepare the gordian technique main points that a kind of electric slurry containing aqueous based carrier constitutes manufacture of solar cells environmental protection.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of superior performance, environment protecting good and the electric slurry aqueous based carrier that cost is low.
The technical issues that need to address of the present invention be also to provide a kind of superior performance, environment protecting good and cost low containing the electric slurry of aqueous based carrier.
The technical issues that need to address of the present invention are also to provide a kind of method preparing electric slurry containing aqueous based carrier.
The technical issues that need to address of the present invention are achieved through the following technical solutions:
A kind of electric slurry aqueous based carrier, its component and weight percentage thereof are: deionized water 70-93.5%, aqueous binders 5-15%, dispersion agent 0.5-5%, softening agent 1-10%; Wherein, the weight percent sum of each component is 100%.
Above-mentioned aqueous binders is one or more in modified polyolefin, unsaturated polyester, melamine resin, polyvinyl ester, polysiloxane, polymeric amide, aminoresin.
Above-mentioned dispersion agent is one or more in polyacrylate, ammonium citrate.
Above-mentioned softening agent be dibutyl phthalate, POLYPROPYLENE GLYCOL one or more.
Containing an electric slurry for aqueous based carrier, its composition and weight percentage thereof are: conductive particle 50-79%, glass powder 1-10%, aqueous based carrier 20-40%; Wherein, the weight percentage sum of each component is 100%.
The component that above-mentioned aqueous based carrier is and weight percentage thereof are: deionized water 70-93.5%, aqueous binders 5-15%, dispersion agent 0.5-5%, softening agent 1-10%; Wherein, the weight percent sum of each component is 100%, aqueous binders is one or more in modified polyolefin, unsaturated polyester, melamine resin, polyvinyl ester, polysiloxane, polymeric amide, aminoresin, dispersion agent is one or more in polyacrylate, ammonium citrate, and softening agent is one or more in dibutyl phthalate, POLYPROPYLENE GLYCOL.
Above-mentioned conductive particle is silver powder, aluminium powder or both mixtures, and median size is 1-5 μm.
Above-mentioned glass powder is lead-free glass powder.
The median size of above-mentioned glass powder is no more than 5 μm.
Prepare a method for the electric slurry containing aqueous based carrier, the method comprises the following steps:
The first step: prepare aqueous based carrier; Be the aqueous binders of 5-15% by weight percentage, the softening agent of the dispersion agent of 0.5-5% and 1-10% joins the deionized water of 70-93.5%, heat in the water-bath of 60-80 degree Celsius, and with stirring, until dissolve;
Second step: preparation is containing the electric slurry of aqueous based carrier; It is the aqueous based carrier mixing of the conducting particles of 50-79%, the glass powder of 1-10% and 20-40% by weight percentage, to be mixed evenly after, below fineness to 6 μm is ground to three-roller, carry out dispersed conducting particles with vacuum mixer again and remove bubble, after being uniformly dispersed and removing with bubble, obtain electric slurry.
Compared with prior art, advantage of the present invention and beneficial effect are: electric slurry aqueous based carrier of the present invention and the electric slurry containing this aqueous based carrier use deionized water to be solvent, and the feature of environmental protection is good, can not to environmental danger, and cost is low; Electric slurry containing this aqueous based carrier adopts aqueous adhesive to coordinate aqueous dispersant and softening agent to use, and can reduce the surface tension of water, improve water to the wetting property of powder, contribute to the printing of the meticulous densification realizing electrode and grid line; The present invention's preparation with the addition of containing the method for the electric slurry of aqueous based carrier the step using vacuum mixer to remove bubble and dispersed conducting particles in technique, and remove bubble and dispersion process is carried out simultaneously, make bubble while effective elimination, also can ensure effective dispersion of conductive particle in electric slurry, and then make not easily to occur the problems such as electrode craze and transfiguration in slurry drying process after printing.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described further.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention is a kind of electric slurry aqueous based carrier, and its component and weight percentage thereof are: deionized water 93.5%, aqueous binders 5%, dispersion agent 0.5%, softening agent 1%.Wherein, aqueous binders is urethane and the melamine resin mixture by weight 2:1; Dispersion agent is polyacrylic acid; Softening agent is dibutyl phthalate.
Containing an electric slurry for above-mentioned aqueous based carrier, its composition and weight percentage thereof are: conductive particle 50%, glass powder 10%, aqueous based carrier 40%.Wherein, conductive particle is silver powder, and its median size is 1-5 μm; Glass powder is lead-free glass powder, and the median size of glass powder is no more than 5 μm; The component of aqueous based carrier and weight percentage thereof are: deionized water 93.5%, aqueous binders 5%, dispersion agent 0.5%, softening agent 1%, aqueous binders is urethane and the melamine resin mixture by weight 2:1, dispersion agent is polyacrylic acid, and softening agent is dibutyl phthalate.
Prepare a method for above-mentioned electric slurry, the method comprises the following steps:
The first step: prepare aqueous based carrier; Be the aqueous binders of 5% by weight percentage, the dispersion agent of 0.5% and 1% softening agent join 93.5% deionized water, to heat in the water-bath of 60-80 degree Celsius, and with stirring, until dissolve;
Second step: preparation is containing the electric slurry of aqueous based carrier; By weight percentage be the conducting particles of 50%, the glass powder of 10% and 40% aqueous based carrier mixing, to be mixed evenly after, below fineness to 6 μm is ground to three-roller, carry out dispersed conducting particles with vacuum mixer again and remove bubble, after being uniformly dispersed and removing with bubble, obtain electric slurry.
Embodiment 2
A kind of electric slurry aqueous based carrier, its component and weight percentage thereof are: deionized water 70%, aqueous binders 15%, dispersion agent 5%, softening agent 10%.Wherein, aqueous binders is acrylic resin; Dispersion agent is polyoxyethylene glycol; Softening agent is glycerine and the POLYPROPYLENE GLYCOL mixture by weight 1:1.
Containing an electric slurry for above-mentioned aqueous based carrier, its composition and weight percentage thereof are: conductive particle 79%, glass powder 1%, aqueous based carrier 20%.Wherein, conductive particle is aluminium powder, and its median size is 1-5 μm; Glass powder is lead-free glass powder, and the median size of glass powder is no more than 5 μm; The component of aqueous based carrier and weight percentage thereof are: deionized water 70%, aqueous binders 15%, dispersion agent 5%, softening agent 10%, aqueous binders is acrylic resin, dispersion agent is polyoxyethylene glycol, and softening agent is glycerine and the POLYPROPYLENE GLYCOL mixture by weight 1:1.
Prepare a method for above-mentioned electric slurry, the method comprises the following steps:
The first step: prepare aqueous based carrier; Be the aqueous binders of 15% by weight percentage, the dispersion agent of 5% and 10% softening agent join 70% deionized water, to heat in the water-bath of 60-80 degree Celsius, and with stirring, until dissolve;
Second step: preparation is containing the electric slurry of aqueous based carrier; By weight percentage be the conducting particles of 79%, the glass powder of 1% and 20% aqueous based carrier mixing, to be mixed evenly after, be ground to below fineness to 6 μm with three-roller, then carry out dispersed conducting particles with vacuum mixer and remove bubble, after being uniformly dispersed and removing with bubble, obtain electric slurry.
Embodiment 3
A kind of electric slurry aqueous based carrier, its component and weight percentage thereof are: deionized water 80%, aqueous binders 10%, dispersion agent 3%, softening agent 7%.Wherein, aqueous binders is unsaturated polyester, polymeric amide and the aminoresin mixture by weight 1:1:1; Dispersion agent is polyacrylate and the ammonium citrate mixture by weight 1:1; Softening agent is glycerine.
Containing an electric slurry for above-mentioned aqueous based carrier, its composition and weight percentage thereof are: conductive particle 65%, glass powder 2%, aqueous based carrier 33%.Wherein, conductive particle is silver powder and the aluminium powder mixture by weight 1:1, and its median size is 1-5 μm; Glass powder is lead-free glass powder, and the median size of glass powder is no more than 5 μm; The component of aqueous based carrier and weight percentage thereof are: deionized water 80%, aqueous binders 10%, dispersion agent 3%, softening agent 7%, aqueous binders is unsaturated polyester, polymeric amide and the aminoresin mixture by weight 1:1:1, dispersion agent is polyacrylate and the ammonium citrate mixture by weight 1:1, and softening agent is glycerine.
Prepare a method for above-mentioned electric slurry, the method comprises the following steps:
The first step: prepare aqueous based carrier; Be the aqueous binders of 10% by weight percentage, the dispersion agent of 3% and 7% softening agent join 80% deionized water, to heat in the water-bath of 60-80 degree Celsius, and with stirring, until dissolve;
Second step: preparation is containing the electric slurry of aqueous based carrier; By weight percentage be the conducting particles of 65%, the glass powder of 2% and 33% aqueous based carrier mixing, to be mixed evenly after, be ground to below fineness to 6 μm with three-roller, then carry out dispersed conducting particles with vacuum mixer and remove bubble, after being uniformly dispersed and removing with bubble, obtain electric slurry.
Embodiment 4
The present invention is a kind of electric slurry aqueous based carrier, and its component and weight percentage thereof are: deionized water 85%, aqueous binders 12%, dispersion agent 1%, softening agent 2%.Wherein, aqueous binders is modified polyolefin, polyvinyl ester, polysiloxane and the aminoresin mixture by weight 0.5:1:1:0.5; Dispersion agent is Viscotrol C; Softening agent is polyvinylpyrrolidone.
Containing an electric slurry for above-mentioned aqueous based carrier, its composition and weight percentage thereof are: conductive particle 70%, glass powder 4%, aqueous based carrier 26%.Wherein, conductive particle is silver powder, and its median size is 1-5 μm; Glass powder is lead-free glass powder, and the median size of glass powder is no more than 5 μm; The component of aqueous based carrier and weight percentage thereof are: deionized water 85%, aqueous binders 12%, dispersion agent 1%, softening agent 2%, aqueous binders is modified polyolefin, polyvinyl ester, polysiloxane and the aminoresin mixture by weight 0.5:1:1:0.5, dispersion agent is Viscotrol C, and softening agent is polyvinylpyrrolidone.
Prepare a method for above-mentioned electric slurry, the method comprises the following steps:
The first step: prepare aqueous based carrier; Be the aqueous binders of 12% by weight percentage, the dispersion agent of 1% and 2% softening agent join 85% deionized water, to heat in the water-bath of 60-80 degree Celsius, and with stirring, until dissolve;
Second step: preparation is containing the electric slurry of aqueous based carrier; By weight percentage be the conducting particles of 70%, the glass powder of 4% and 26% aqueous based carrier mixing, to be mixed evenly after, be ground to below fineness to 6 μm with three-roller, then carry out dispersed conducting particles with vacuum mixer and remove bubble, after being uniformly dispersed and removing with bubble, obtain electric slurry.
Above-mentioned each embodiment is further illustrating of making foregoing of the present invention, but the scope that should not be construed as the above-mentioned theme of the present invention is only limitted to above-described embodiment.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. an electric slurry aqueous based carrier, is characterized in that: the component of this aqueous based carrier and weight percentage thereof are: deionized water 70-93.5%, aqueous binders 5-15%, dispersion agent 0.5-5%, softening agent 1-10%; Wherein, the weight percent sum of each component is 100%; Described aqueous binders is one or more in unsaturated polyester, polysiloxane, polymeric amide, described dispersion agent is one or more in polyacrylate, ammonium citrate, and described softening agent is one or more in dibutyl phthalate, POLYPROPYLENE GLYCOL.
2., containing an electric slurry for aqueous based carrier described in claim 1, it is characterized in that: the composition of this electric slurry and weight percentage thereof are: conductive particle 50-79%, glass powder 1-10%, aqueous based carrier 20-40%; Wherein, the weight percentage sum of each component is 100%; The component that described aqueous based carrier is and weight percentage thereof are: deionized water 70-93.5%, aqueous binders 5-15%, dispersion agent 0.5-5%, softening agent 1-10%; Wherein, the weight percent sum of each component is 100%, aqueous binders is one or more in unsaturated polyester, polysiloxane, polymeric amide, dispersion agent is one or more in polyacrylate, ammonium citrate, and softening agent is one or more in dibutyl phthalate, POLYPROPYLENE GLYCOL.
3. electric slurry according to claim 2, is characterized in that: described conductive particle is silver powder, aluminium powder or both mixtures, and median size is 1-5 μm.
4. electric slurry according to claim 2, is characterized in that: described glass powder is lead-free glass powder.
5. electric slurry according to claim 4, is characterized in that: the median size of described glass powder is no more than 5 μm.
6. prepare a method for electric slurry according to claim 5, it is characterized in that: the method comprises the following steps:
The first step: prepare aqueous based carrier; Be the aqueous binders of 5-15% by weight percentage, the softening agent of the dispersion agent of 0.5-5% and 1-10% joins the deionized water of 70-93.5%, heat in the water-bath of 60-80 degree Celsius, and with stirring, until dissolve;
Second step: preparation is containing the electric slurry of aqueous based carrier; It is the aqueous based carrier mixing of the conducting particles of 50-79%, the glass powder of 1-10% and 20-40% by weight percentage, to be mixed evenly after, below fineness to 6 μm is ground to three-roller, carrying out dispersed conducting particles with vacuum mixer and removing bubble, after being uniformly dispersed and removing with bubble, obtain electric slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446518.9A CN102993614B (en) | 2012-11-10 | 2012-11-10 | Electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446518.9A CN102993614B (en) | 2012-11-10 | 2012-11-10 | Electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102993614A CN102993614A (en) | 2013-03-27 |
| CN102993614B true CN102993614B (en) | 2015-10-28 |
Family
ID=47922760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210446518.9A Active CN102993614B (en) | 2012-11-10 | 2012-11-10 | Electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102993614B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400634B (en) * | 2013-07-22 | 2016-02-10 | 上海玻纳电子科技有限公司 | A kind of crystal silicon solar energy battery front electrode conductive silver paste and preparation method thereof |
| CN104992747A (en) * | 2015-07-03 | 2015-10-21 | 苏州柏特瑞新材料有限公司 | Environmentally-friendly low-series resistance crystalline silicon solar cell back electrode silver paste |
| CN105097070B (en) * | 2015-07-22 | 2017-05-31 | 深圳市春仰科技有限公司 | Solar battery front side conductive silver paste and preparation method thereof |
| CN105551568A (en) * | 2015-12-03 | 2016-05-04 | 佛山市首诺新能源材料有限公司 | Water-based environmental efficient conductive silver paste for crystalline silicon solar cells and preparation method thereof |
| CN109698040B (en) * | 2019-01-29 | 2020-09-22 | 西安工程大学 | Water-based electronic paste and preparation method thereof |
| CN110419763B (en) * | 2019-06-20 | 2023-09-26 | 深圳麦克韦尔科技有限公司 | Heating electronic paste composition, heating electronic paste and preparation method thereof, electronic cigarette heating body and electronic cigarette |
| CN110729483B (en) * | 2019-10-22 | 2020-12-25 | 深圳中华自行车(集团)股份有限公司 | Manufacturing method of battery positive pole piece |
| CN111180105A (en) * | 2019-12-27 | 2020-05-19 | 广东爱旭科技有限公司 | Positive silver main grid slurry of PERC battery and preparation method thereof |
| CN111378342A (en) * | 2020-03-09 | 2020-07-07 | 广东四维新材料有限公司 | Water-based silver spraying applied to 5G ceramic filter and preparation method thereof |
| CN111548194A (en) * | 2020-05-29 | 2020-08-18 | 南京凯泰化学科技有限公司 | Preparation method of printed circuit board |
| CN111540503A (en) * | 2020-05-29 | 2020-08-14 | 南京凯泰化学科技有限公司 | Conductive copper paste and using method thereof |
| CN114203334A (en) * | 2021-11-25 | 2022-03-18 | 大连海外华昇电子科技有限公司 | Back aluminum paste for water-based crystalline silicon solar cell and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3766350B2 (en) * | 2002-05-29 | 2006-04-12 | 東邦チタニウム株式会社 | Method for preparing nickel powder dispersion and method for preparing conductive paste |
| CN102034877A (en) * | 2009-09-30 | 2011-04-27 | 比亚迪股份有限公司 | Conductive paste for solar cell and preparation method thereof |
| CN102592705A (en) * | 2012-03-15 | 2012-07-18 | 上海交通大学 | Environment-friendly water-based positive silver paste for solar cell, and preparation method thereof |
| CN102760511A (en) * | 2012-05-28 | 2012-10-31 | 杭州正银电子材料有限公司 | Crystalline silicon solar cell BSF (back surface field) lead-free aluminum electroconductive slurry and preparation method thereof |
-
2012
- 2012-11-10 CN CN201210446518.9A patent/CN102993614B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3766350B2 (en) * | 2002-05-29 | 2006-04-12 | 東邦チタニウム株式会社 | Method for preparing nickel powder dispersion and method for preparing conductive paste |
| CN102034877A (en) * | 2009-09-30 | 2011-04-27 | 比亚迪股份有限公司 | Conductive paste for solar cell and preparation method thereof |
| CN102592705A (en) * | 2012-03-15 | 2012-07-18 | 上海交通大学 | Environment-friendly water-based positive silver paste for solar cell, and preparation method thereof |
| CN102760511A (en) * | 2012-05-28 | 2012-10-31 | 杭州正银电子材料有限公司 | Crystalline silicon solar cell BSF (back surface field) lead-free aluminum electroconductive slurry and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102993614A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102993614B (en) | Electric slurry aqueous based carrier, electric slurry and preparation method thereof containing this carrier | |
| CN101295739B (en) | Conductive slurry for solar battery front side electrode and production method thereof | |
| CN106128555B (en) | A kind of highly conductive crystal silicon solar batteries front electrode silver slurry and preparation method thereof | |
| CN103000255B (en) | The low sintering solar cell positive silver paste of a kind of adaptation | |
| CN101621082B (en) | Aluminum conductive paste for silicon solar cell back surface field and preparation method thereof | |
| CN102034877A (en) | Conductive paste for solar cell and preparation method thereof | |
| CN103000251B (en) | Solar cell silver-backed slurry with wide sintering process window | |
| CN103440897A (en) | Silicon solar cell front silver electrode high-square-resistance slurry and manufacturing method thereof | |
| CN105118578B (en) | The preparation technology of unleaded front electrode silver slurry used for solar batteries | |
| CN104157332A (en) | Silicon solar cell front face electrode lead-free silver paste and preparing method thereof | |
| CN102024856A (en) | Environment-friendly crystalline silicon solar-cell back surface field silver-aluminium paste and preparation method thereof | |
| CN107564601A (en) | A kind of backplate slurry for two-sided PERC solar cells and preparation method thereof | |
| CN103000248B (en) | A kind of solar cell positive silver paste powder material adapting to high square resistance shallow junction | |
| CN107240436A (en) | A kind of PERC crystal silicon solar energy batteries positive silver paste and preparation method thereof | |
| CN103000253A (en) | Latent-curing conductive paste and method of forming electrode on substrate thereby | |
| CN103177792B (en) | Unleaded back aluminum slurry used for solar batteries and preparation method thereof | |
| CN104700923B (en) | A kind of rear surface of solar cell silver paste of high electricity conversion and preparation method thereof | |
| CN103123812A (en) | Crystalline silicon solar cell aluminum paste | |
| WO2018040570A1 (en) | Local contact back surface field aluminum paste for high-efficiency double-sided crystalline silicon solar cell and preparation method thereof | |
| CN107240435A (en) | A kind of photovoltaic cell silver paste and preparation method thereof | |
| CN106448807A (en) | Aluminum paste for passivated emitter and solar cell on back side of passivated emitter and preparation method of aluminum paste | |
| CN103000254B (en) | A kind of solar cell back aluminum slurry with wide sintering process window | |
| CN105118873A (en) | Front electrode silver paste of crystalline silicon solar battery | |
| CN105118545B (en) | Lead free solar cell front electrode silver slurry | |
| CN101560060B (en) | Surface treatment method of low temperature glass for solar cell conductive slurry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |