CN103310871A - Slurry for solar cells and preparation methods of slurry - Google Patents
Slurry for solar cells and preparation methods of slurry Download PDFInfo
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- CN103310871A CN103310871A CN2012100693241A CN201210069324A CN103310871A CN 103310871 A CN103310871 A CN 103310871A CN 2012100693241 A CN2012100693241 A CN 2012100693241A CN 201210069324 A CN201210069324 A CN 201210069324A CN 103310871 A CN103310871 A CN 103310871A
- Authority
- CN
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- Prior art keywords
- slurry
- solar batteries
- organic binder
- preparation
- binder bond
- 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.)
- Pending
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- 239000002002 slurry Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims description 22
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 2
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 239000001293 FEMA 3089 Substances 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- 229950002895 cellaburate Drugs 0.000 claims description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- 229940008099 dimethicone Drugs 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical group CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 abstract description 5
- 239000004332 silver Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000002671 adjuvant Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Landscapes
- Conductive Materials (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technology of slurry for solar cells, in particular to silver slurry for the solar cells, aluminium slurry for the solar cells and preparation methods of the silver slurry and the aluminium slurry. The slurry for the solar cells consists of a functional phase and a carrier phase. The slurry consists of the following components in percentage by mass: 70-85% of conductive metal powder, 5-10% of glass bonder, and 5-25% of mixture consisting of an organic bonder, a solvent and an adjuvant. The slurry is better in rheological property, higher in the depth-width ratio of a coating, and is capable of improving the light use ratio of the solar cells.
Description
Technical field
The present invention relates to a kind of used for solar batteries slurry technology, relate in particular to used for solar batteries silver slurry, aluminium paste and preparation method thereof.
Background technology
In manufacture of solar cells enterprise, generally use leaded solar cell conductive silver slurry, aluminium paste at present.Above-mentioned two kinds of slurries are the major products in the solar energy electronic slurry, are used for the formation that solar cell is just being carried on the back surface field, as the positive back electrode use of solar cell.There is the inefficient deficiency of the too high so that battery of the contact resistance of glass poorly conductive, electrode in existing silver slurry.There are some shortcomings in aluminium paste in solar silicon wafers is produced, in the sintering process, as bubbling, warpage, dry linting, fragment, come off, phenomenon such as poor adhesive force, influence rate of finished products and the photoelectric conversion efficiency of silicon chip.Therefore need a kind of new electronics slurry of invention product to solve these defectives.
Summary of the invention
The purpose of this invention is to provide a kind of new lead-free used for solar batteries slurry with the electricity that solves silver slurry glass in the prior art led low, the electrode contact resistance is too high and the aluminium paste sintering process in the problem of defect, adopt slurry of the present invention can effectively reduce the contact resistance of battery, improve photoelectric conversion efficiency.
The technical solution used in the present invention is: a kind of used for solar batteries slurry, and by function phase and carrier phase composition, described slurry is made up of following component by mass percentage:
Function phase: conductive metal powder 70～85%
Glass binder 5～10%
The carrier phase: by organic binder bond, the mixture 5～25% that solvent and auxiliary agent are formed
Preferred glass binding agent in the used for solar batteries slurry of the present invention is made up of following component: SiO by mass percentage
2: 10～20%, ZnO:0～3%, Bi
2O
3: 15～30%, ZrO
2: 5～15%, B
2O
3: 10～20%, MoO
3: 1～6%, Al
2O
3: 5～15%, TiO
2: 3～10%.
The preferred silver powder of conductive metal powder or aluminium powder in the used for solar batteries slurry of the present invention.
Carrier is preferably pressed mass ratio mutually and is made up of following component in the used for solar batteries slurry of the present invention:
Organic binder bond 3～8%
Solvent 85～95%
Auxiliary agent 0.1～3%
Wherein, described organic binder bond is acrylic resin, phenolic resins, ethyl cellulose, cellaburate or polyvinyl butyral resin;
Described solvent is terpinol, turpentine oil, butanols, butyl glycol ether, ethylene glycol ethyl ether, propylene glycol butyl ether, diethylene glycol ether or diethylene glycol monobutyl ether acetate;
Described auxiliary agent is one or both the mixture in dibutyl phthalate, repefral or the dimethicone.
Above-mentioned used for solar batteries slurry prepares as follows:
A. the preparation of glass binder: press mass ratio SiO
2: 10～20%, ZnO:0～3%, Bi
2O
3: 15～30%, ZrO
2: 5～15%, B
2O
3: 10～20%, MoO
3: 1～6%, Al
2O
3: 5～15%, TiO
2: 3～10%, carry out drying, 120～150 ℃ of baking temperatures, 3～5 hours drying times with putting into Muffle furnace after the even mixing of above-mentioned raw materials; Be warming up to 800～1300 ℃ again, be incubated 1～2 hour, frit after will melting after insulation finishes is poured the container made of iron that deionized water is housed into and is carried out shrend, dried 5～6 hours down at 90～120 ℃ after the shrend, carry out coarse crushing after the oven dry, the frit of coarse crushing, is dried to 10um with ball mill grinding;
B. the preparation of organic binder bond: by quality than organic binder bond: 3～8%, solvent: 85～95%, auxiliary agent: 0.1～3%, above-mentioned raw materials is mixed in blender;
C. the preparation of used for solar batteries slurry: by quality than conductive metal powder: 70～85%, glass binder: 5～10%, organic binder bond: 5～25%, stir after each component weighed, carry out ball milling, make the used for solar batteries slurry.
The invention has the beneficial effects as follows: the solar cell conductive paste by the present invention's preparation, do not need in the glass dust to add the more serious metallic lead of environmental pollution, meet the solar cell environmental protection requirement fully, and adhesive force is good, the rete difficult drop-off; By the rational proportion to the carrier phase, slurry has good rheological, and the depth-width ratio of coating is higher, can improve the light utilization of solar cell.
Embodiment
Following non-limiting example can make those of ordinary skill in the art more fully understand the present invention, but does not limit the present invention in any way.
Embodiment 1～4
A. the preparation of glass binder: weigh by selected raw material mass ratio, put into Muffle furnace after evenly mixing and carry out drying, 150 ℃ of baking temperatures, 4 hours drying times; Be warming up to 1200 ℃ again, be incubated 1.5 hours, the frit after will melting after insulation finishes is poured the container made of iron that deionized water is housed into and is carried out shrend, dried 5 hours down at 120 ℃ after the shrend, carry out coarse crushing after the oven dry, the frit of coarse crushing, is dried to 10um with ball mill grinding;
B. the preparation of organic binder bond: by selected raw material mass ratio weigh the back in blender, mix;
C. the preparation of used for solar batteries slurry: stir after each component weighed, carry out ball milling, make the used for solar batteries slurry.
The raw material proportioning sees Table 1
Table 1
Claims (5)
1. used for solar batteries slurry, by function mutually and the carrier phase composition, it is characterized in that: described slurry is made up of following component by mass percentage:
Function phase: conductive metal powder 70～85%
Glass binder 5～10%
The carrier phase: by organic binder bond, the mixture 5～25% that solvent and auxiliary agent are formed
2. used for solar batteries slurry according to claim 1 is characterized in that: described glass binder, formed by following component by mass percentage: SiO
2: 10～20%, ZnO:0～3%, Bi
2O
3: 15～30%, ZrO
2: 5～15%, B
2O
3: 10～20%, MoO
3: 1～6%, Al
2O
3: 5～15%, TiO
2: 3～10%.
3. used for solar batteries slurry according to claim 1, it is characterized in that: described conductive metal powder is silver powder or aluminium powder.
4. used for solar batteries slurry according to claim 1, it is characterized in that: described carrier is pressed mass ratio mutually and is made up of following component:
Organic binder bond 3～8%
Solvent 85～95%
Auxiliary agent 0.1～3%
Wherein, described organic binder bond is acrylic resin, phenolic resins, ethyl cellulose, cellaburate or polyvinyl butyral resin;
Described solvent is terpinol, turpentine oil, butanols, butyl glycol ether, ethylene glycol ethyl ether, propylene glycol butyl ether, diethylene glycol ether or diethylene glycol monobutyl ether acetate;
Described auxiliary agent is one or both the mixture in dibutyl phthalate, repefral, the dimethicone.
5. used for solar batteries slurry is characterized in that: preparation as follows:
A. the preparation of glass binder: press mass ratio with SiO
2: 10～20%, ZnO:0～3%, Bi
2O
3: 15～30%, ZrO
2: 5～15%, B
2O
3: 10～20%, MoO
3: 1～6%, Al
2O
3: 5～15%, TiO
2: 3～10% evenly mix the back drying, are warming up to 800～1300 ℃ after the drying, are incubated 1～2 hour, insulation is poured frit into container made of iron after finishing, and carries out shrend, dries after the shrend, carry out coarse crushing then, the frit after the coarse crushing is ground to below the 10um dries;
B. the preparation of organic binder bond: by mass percentage with organic binder bond: 3～8%, solvent: 85～95%, auxiliary agent: 0.1～3% mixes;
C. the preparation of used for solar batteries slurry: press mass ratio with conductive metal powder: 70～85%, glass binder: 5～10%, organic binder bond: 5～25% stir after weighing, and carry out ball milling, make the used for solar batteries slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100693241A CN103310871A (en) | 2012-03-15 | 2012-03-15 | Slurry for solar cells and preparation methods of slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100693241A CN103310871A (en) | 2012-03-15 | 2012-03-15 | Slurry for solar cells and preparation methods of slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103310871A true CN103310871A (en) | 2013-09-18 |
Family
ID=49135990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100693241A Pending CN103310871A (en) | 2012-03-15 | 2012-03-15 | Slurry for solar cells and preparation methods of slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103310871A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606569A (en) * | 2013-10-26 | 2014-02-26 | 溧阳市东大技术转移中心有限公司 | Photovoltaic cell structure |
| CN104538193A (en) * | 2014-12-18 | 2015-04-22 | 中国科学院上海硅酸盐研究所 | Titanium dioxide slurry and preparation method and application thereof |
| CN105679410A (en) * | 2016-04-26 | 2016-06-15 | 江阴市天邦涂料股份有限公司 | High-adhesion-stability silver-aluminum slurry for solar battery |
| CN105741905A (en) * | 2014-12-30 | 2016-07-06 | 三星Sdi株式会社 | Composition for solar cell electrode and electrode prepared using the same |
| CN106158068A (en) * | 2016-07-05 | 2016-11-23 | 湖南省国银新材料有限公司 | conductive silver paste and preparation method thereof |
| CN106297956A (en) * | 2016-11-10 | 2017-01-04 | 北京市合众创能光电技术有限公司 | A kind of crystal silicon solar energy battery positive silver paste and preparation method thereof |
| CN107274961A (en) * | 2017-05-18 | 2017-10-20 | 江苏东昇光伏科技有限公司 | A kind of aluminum slurry used for solar batteries and preparation method thereof |
| CN112435774A (en) * | 2020-10-21 | 2021-03-02 | 中国电子科技集团公司第十三研究所 | Copper conductor slurry suitable for ceramic packaging shell and preparation method thereof |
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| CN101271928A (en) * | 2008-05-04 | 2008-09-24 | 常州亿晶光电科技有限公司 | High-viscosity solar cell front silver paste and preparation method thereof |
| WO2009041182A1 (en) * | 2007-09-27 | 2009-04-02 | Murata Manufacturing Co., Ltd. | Ag electrode paste, solar battery cell, and process for producing the solar battery cell |
| US20100059116A1 (en) * | 2008-09-05 | 2010-03-11 | E. I. Du Pont De Nemours And Company | Aluminum pastes and use thereof in the production of silicon solar cells |
| CN102157219A (en) * | 2011-01-12 | 2011-08-17 | 西安银泰新能源材料科技有限公司 | Silver paste for positive electrode of crystalline silicon solar cell and preparation method thereof |
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2012
- 2012-03-15 CN CN2012100693241A patent/CN103310871A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009041182A1 (en) * | 2007-09-27 | 2009-04-02 | Murata Manufacturing Co., Ltd. | Ag electrode paste, solar battery cell, and process for producing the solar battery cell |
| CN101271928A (en) * | 2008-05-04 | 2008-09-24 | 常州亿晶光电科技有限公司 | High-viscosity solar cell front silver paste and preparation method thereof |
| US20100059116A1 (en) * | 2008-09-05 | 2010-03-11 | E. I. Du Pont De Nemours And Company | Aluminum pastes and use thereof in the production of silicon solar cells |
| CN102157219A (en) * | 2011-01-12 | 2011-08-17 | 西安银泰新能源材料科技有限公司 | Silver paste for positive electrode of crystalline silicon solar cell and preparation method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606569A (en) * | 2013-10-26 | 2014-02-26 | 溧阳市东大技术转移中心有限公司 | Photovoltaic cell structure |
| CN104538193A (en) * | 2014-12-18 | 2015-04-22 | 中国科学院上海硅酸盐研究所 | Titanium dioxide slurry and preparation method and application thereof |
| CN105741905A (en) * | 2014-12-30 | 2016-07-06 | 三星Sdi株式会社 | Composition for solar cell electrode and electrode prepared using the same |
| TWI622180B (en) * | 2014-12-30 | 2018-04-21 | 三星Sdi 股份有限公司 | Composition for solar cell electrodes and solar cell electrodes |
| US9997648B2 (en) | 2014-12-30 | 2018-06-12 | Samsung Sdi Co., Ltd. | Composition for solar cell electrode and electrode prepared using the same |
| CN108269643A (en) * | 2014-12-30 | 2018-07-10 | 三星Sdi株式会社 | Composition for electrode of solar battery and the electrode of solar battery using its preparation |
| CN105679410A (en) * | 2016-04-26 | 2016-06-15 | 江阴市天邦涂料股份有限公司 | High-adhesion-stability silver-aluminum slurry for solar battery |
| CN105679410B (en) * | 2016-04-26 | 2017-02-15 | 江阴市天邦涂料股份有限公司 | High-adhesion-stability silver-aluminum slurry for solar battery |
| CN106158068A (en) * | 2016-07-05 | 2016-11-23 | 湖南省国银新材料有限公司 | conductive silver paste and preparation method thereof |
| CN106297956A (en) * | 2016-11-10 | 2017-01-04 | 北京市合众创能光电技术有限公司 | A kind of crystal silicon solar energy battery positive silver paste and preparation method thereof |
| CN107274961A (en) * | 2017-05-18 | 2017-10-20 | 江苏东昇光伏科技有限公司 | A kind of aluminum slurry used for solar batteries and preparation method thereof |
| CN112435774A (en) * | 2020-10-21 | 2021-03-02 | 中国电子科技集团公司第十三研究所 | Copper conductor slurry suitable for ceramic packaging shell and preparation method thereof |
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Application publication date: 20130918 |
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