CN102592708B - Aluminum conductor slurry for silicon solar energy battery - Google Patents
Aluminum conductor slurry for silicon solar energy battery Download PDFInfo
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- CN102592708B CN102592708B CN201210030232.2A CN201210030232A CN102592708B CN 102592708 B CN102592708 B CN 102592708B CN 201210030232 A CN201210030232 A CN 201210030232A CN 102592708 B CN102592708 B CN 102592708B
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- aluminum conductor
- aluminum
- slurry
- conductor slurry
- aluminium powder
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Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 71
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000002002 slurry Substances 0.000 title claims abstract description 35
- 239000004020 conductor Substances 0.000 title claims abstract description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 16
- 239000010703 silicon Substances 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 38
- 239000012752 auxiliary agent Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 16
- 239000013530 defoamer Substances 0.000 claims description 15
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- 239000004014 plasticizer Substances 0.000 claims description 10
- 239000004094 surface-active agent Substances 0.000 claims description 10
- 239000002562 thickening agent Substances 0.000 claims description 10
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical group CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 8
- -1 sucrose ester Chemical class 0.000 claims description 7
- 229930006000 Sucrose Natural products 0.000 claims description 5
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 5
- 239000005720 sucrose Substances 0.000 claims description 5
- 239000001087 glyceryl triacetate Substances 0.000 claims description 4
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 4
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 4
- 229960002622 triacetin Drugs 0.000 claims description 4
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 3
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical group CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims description 3
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 229940116411 terpineol Drugs 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 238000005245 sintering Methods 0.000 abstract description 8
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 2
- 229910000676 Si alloy Inorganic materials 0.000 abstract 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000000969 carrier Substances 0.000 abstract 1
- 239000006023 eutectic alloy Substances 0.000 abstract 1
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical group CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 229910000632 Alusil Inorganic materials 0.000 description 2
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical group [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 1
- JZPXQBRKWFVPAE-UHFFFAOYSA-N cyclopentane;indium Chemical compound [In].[CH]1[CH][CH][CH][CH]1 JZPXQBRKWFVPAE-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- DITXJPASYXFQAS-UHFFFAOYSA-N nickel;sulfamic acid Chemical group [Ni].NS(O)(=O)=O DITXJPASYXFQAS-UHFFFAOYSA-N 0.000 description 1
- 229940023462 paste product Drugs 0.000 description 1
- 125000002097 pentamethylcyclopentadienyl group Chemical group 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The invention discloses aluminum conductor slurry for silicon solar energy battery. The slurry is composed of, by weight, 60% to 75% of aluminum powder, 4% to 10% of glass powder and 20% to 35% of organic carriers; and the aluminum powder is a mixture of three aluminum powder with different grain sizes in proportion. The aluminum conductor slurry for silicon solar energy battery utilizes a collocation of three aluminum powder with different grain sizes, in particular to the added submicron aluminum powder so that the compactness of high conduction network is obviously improved, the contact area of aluminum and silicon interface is increased, the distributing pattern of eutectic alloy in the interface is compact and the continuous and uniform aluminum silicon alloy layer is easily formed in alloy sintering so that the photoelectric conversion efficiency is improved. Besides, after the sintering of the aluminum conductor slurry, the surface contact of aluminum silicon alloy produces a certain stress influence on the silicon crystal close to the back and the warping of the battery cells is reduced.
Description
Technical field
The present invention relates to technical field of electronic materials, be specifically related to a kind of silicon solar cell aluminum conductor slurry.
Background technology
In order to export the electric energy of silicon solar cell, must on battery, make positive and negative two electrodes.Traditionally the electrode that is produced on battery plane of illumination is become to top electrode, the electrode that is produced on cell backside is become to bottom electrode or back electrode.Wherein bottom electrode is anodal, aluminium paste silver aluminium paste, consists of, and wherein aluminium paste, because aluminium is base metal, is used comparatively extensive.
Specification requirement for electrode material aluminium paste comprises following aspect: form aluminium back of the body p-p
+knot (homotype heterojunction), improves open circuit voltage; Form silicon-aluminum silicon chip is carried out to effective gettering; Can form firmly ohmic contact with silicon; There is good conductivity and chemical stability good etc.
The main component of aluminum conductor slurry is aluminium powder, frit and organic carrier.Aluminium powder is conductive phase, and frit is Binder Phase, and organic carrier is the carrier of conductive phase and Binder Phase particulate, and the conductive phase of solia particle shape and bonding are equated to wrap up to be uniformly dispersed into the slurry with fluid behaviour, avoids precipitation and lamination.
But domestic aluminium paste product forms or quality all has larger gap with same kind of products at abroad, the aluminium paste that particularly most domestic producer produces still, for leaded aluminium paste, is unfavorable for the import and export of environmental protection and product.In addition, the understrressing between the conductive layer after sintering and silicon plate, the easy warpage of cell piece, affects the photoelectric transformation efficiency of cell piece.
Summary of the invention
The object of the invention is to overcome the defect existing in prior art, rear surface of solar cell electrode aluminum conductor slurry is provided, after this aluminum conductor slurry sintering, can form the fine and close network with superior electrical conductivity energy, the contact area of aluminium silicon interface is large, and cell piece warpage is less.
For achieving the above object, technical scheme of the present invention has been to provide a kind of silicon solar cell aluminum conductor slurry, and the composition of described slurry comprises: the organic carrier of the aluminium powder of 60~75wt%, the glass dust of 4~10wt% and 20~35wt%; Particle diameter 0.1~1 aluminium powder of μ m of consisting of of described aluminium powder: 5~20wt% and the aluminium powder of the particle diameter of 20~45wt%, 1~3 μ m, surplus is the aluminium powder of particle diameter 3~6 μ m.
Preferred technical scheme is that described glass dust comprises: the Bi of 40~60wt%
2o
3, 5~25wt% B
2o
3, the ZnO of 10~35wt% is, the SiO of 5~10wt%
2, 1~5wt% Al
2o
3, the CaO of 0.1~5wt% is, the MgO of 0.1~3wt%.
Preferred technical scheme is that described aluminum conductor slurry also comprises the metallo-organic compound additive of 0.1~5wt%.
Preferred technical scheme is that described metallo-organic compound additive is for containing one or more in the organic compound of In, Sn, Ga, Ni and Cu.
Preferably technical scheme is, the organic solvent that consists of 50~70wt% of described organic carrier and the auxiliary agent of 30~50wt%.
Preferred technical scheme is, described organic solvent is the combination of any or they in ethyl carbitol, terpineol, terpinol, butyl carbitol and butyl carbitol acetate.
Preferred technical scheme is that the percentage by weight that described auxiliary agent and described auxiliary agent account for described organic carrier is respectively: the thickener of 5~20wt%, the plasticizer of 15~25wt%, the surfactant of 1~5wt% and the levelling agent of 1~10wt%.
Preferred technical scheme is, described thickener is Sodium Polyacrylate, described plasticizer is triacetin or citrate, and described surfactant is sucrose ester, and described levelling agent is the copolymer of silicone-modified polyacrylate or acrylate and butyl acrylate.
Preferably technical scheme is, described auxiliary agent also comprises defoamer, and the percentage by weight that described defoamer accounts for described organic carrier is 1~5wt%.
Preferred technical scheme is that described defoamer is dimethyl silicone polymer.
Advantage of the present invention and beneficial effect are: the present invention uses the collocation of three kinds of different-grain diameter aluminium powders, especially add sub-micron aluminium powder, can significantly improve the compactness of conductive network, increase the contact area of aluminium silicon interface, it is finer and close to there is the distributional pattern of alloy congruent melting in interface, in alloy sintering process, easily form the alusil alloy layer of continuous uniform, be conducive to improve photoelectric conversion efficiency.In addition, after this aluminum conductor slurry sintering, alusil alloy Surface Contact also produces the stress influence of certain depth to the silicon crystal near the back side, has reduced the warpage of cell piece.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention is a kind of silicon solar cell aluminum conductor slurry, and its composition comprises: the organic carrier of the aluminium powder of 62wt%, the glass dust of 9wt% and 28wt%; Particle diameter 0.1~1 aluminium powder of μ m of consisting of of aluminium powder: 5wt% and the aluminium powder of the particle diameter of 40wt% 1~3 μ m, the aluminium powder of 55wt% particle diameter 3~6 μ m.
Wherein, glass dust comprises: the Bi of 40wt%
2o
3, 5wt% B
2o
3, the ZnO of 35wt% is, the SiO of 10wt%
2, 5wt% Al
2o
3, the CaO of 2wt% is, the MgO of 3wt%.
Wherein, aluminum conductor slurry also comprises the metallo-organic compound additive of 1wt%.
Wherein, metallo-organic compound additive is copper acetate and cyclopentadienyl indium, and weight ratio is 1: 1.
Wherein, the organic solvent that consists of 50wt% of organic carrier and the auxiliary agent of 50wt%.
Wherein, organic solvent is ethyl carbitol.
Wherein, the percentage by weight that auxiliary agent and auxiliary agent account for organic carrier is respectively: the thickener of 20wt%, the plasticizer of 20wt%, the surfactant of 1wt% and the levelling agent of 5wt%.
Wherein, thickener is polypropylene sodium sodium, and plasticizer is triacetin, and surfactant is sucrose ester, and levelling agent is silicone-modified polyacrylate.
Wherein, auxiliary agent also comprises defoamer, and the percentage by weight that defoamer accounts for organic carrier is 4wt%.
Wherein, defoamer is dimethyl silicone polymer.
The preparation of slurry: configure by weight percentage raw material, put into reaction vessel and stir, then use three-roll grinder rolling 5~10 times.
Adopt the above-mentioned aluminum conductor slurry of 325 order stainless steel wire reticulated printing, heat-agglomerating, sintering temperature peak value is 780~800 ℃, peak temperature temperature retention time is 20s.
Embodiment 2
The present invention is a kind of silicon solar cell aluminum conductor slurry, and its composition comprises: the organic carrier of the aluminium powder of 68wt%, the glass dust of 5wt% and 22wt%; Particle diameter 0.1~1 aluminium powder of μ m of consisting of of aluminium powder: 10wt% and the aluminium powder of the particle diameter of 32wt% 1~3 μ m, surplus is the aluminium powder of particle diameter 3~6 μ m.
Wherein, glass dust comprises: the Bi of 50wt%
2o
3, 15wt% B
2o
3, the ZnO of 23wt% is, the SiO of 7wt%
2, 1wt% Al
2o
3, the CaO of 3wt% is, the MgO of 1wt%.
Wherein, aluminum conductor slurry also comprises the metallo-organic compound additive of 5wt%.
Wherein, metallo-organic compound additive is nickel sulfamic acid and stannous octoate, and weight ratio is 1: 3.
Wherein, the organic solvent that consists of 60wt% of organic carrier and the auxiliary agent of 40wt%.
Wherein, organic solvent is the combination in butyl carbitol and butyl carbitol acetate, and weight ratio is 1: 1.
Wherein, the percentage by weight that auxiliary agent and auxiliary agent account for organic carrier is respectively: the thickener of 12wt%, the plasticizer of 15wt%, the surfactant of 3wt% and the levelling agent of 9wt%.
Wherein, thickener is Sodium Polyacrylate, and plasticizer is citrate, and surfactant is sucrose ester, and levelling agent is the copolymer of acrylate and butyl acrylate.
Wherein, auxiliary agent also comprises defoamer, and the percentage by weight that defoamer accounts for organic carrier is 1wt%.
Wherein, defoamer is dimethyl silicone polymer.
The preparation of slurry is identical with embodiment 1.
Embodiment 3
The present invention is a kind of silicon solar cell aluminum conductor slurry, and its composition comprises: the organic carrier of the aluminium powder of 70wt%, the glass dust of 4wt% and 23wt%; Particle diameter 0.1~1 aluminium powder of μ m of consisting of of aluminium powder: 20wt% and the aluminium powder of the particle diameter of 25wt% 1~3 μ m, surplus is the aluminium powder of particle diameter 3~6 μ m.
Wherein, glass dust comprises: the Bi of 55wt%
2o
3, 25wt% B
2o
3, the ZnO of 10wt% is, the SiO of 5wt%
2, 3wt% Al
2o
3, the CaO of 1wt% is, the MgO of 1wt%.
Wherein, aluminum conductor slurry also comprises the metallo-organic compound additive of 3wt%.
Wherein, metallo-organic compound additive is acetylacetone,2,4-pentanedione gallium and pentamethyl cyclopentadienyl group indium, and weight ratio is 1: 1.
Wherein, the organic solvent that consists of 70wt% of organic carrier and the auxiliary agent of 30wt%.
Wherein, organic solvent is terpinol.
Wherein, the percentage by weight that auxiliary agent and auxiliary agent account for organic carrier is respectively: the thickener of 5wt%, the plasticizer of 15wt%, the surfactant of 5wt%, the levelling agent of 1wt%.
Wherein, thickener is Sodium Polyacrylate, and plasticizer is triacetin, and surfactant is sucrose ester, and levelling agent is silicone-modified polyacrylate.
Wherein, auxiliary agent also comprises defoamer, and the percentage by weight that defoamer accounts for organic carrier is 4wt%.
Wherein, defoamer is dimethyl silicone polymer.
The preparation of slurry is identical with embodiment 1.
The performance of specific embodiment and slurry and Solar panel backside electrode sees the following form:
The prepared rear surface of solar cell electrode of the present invention uses aluminum conductor slurry performance as follows:
Frit softening point is 400~500 ℃, and fineness is less than 10 μ m, and viscosity is 25~50Pas, the backplate smooth surface after sintering, and conductive layer is fine and close, and cell piece is tested under reference condition, and the photoelectric conversion efficiency of battery (100) sees the following form in batches:
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of 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. a silicon solar cell aluminum conductor slurry, is characterized in that, the composition of described slurry comprises: the organic carrier of the aluminium powder of 60~75wt%, the glass dust of 4~10wt% and 20~35wt%, particle diameter 0.1~1 aluminium powder of μ m of consisting of of described aluminium powder: 5~20wt% and the aluminium powder of the particle diameter of 20~45wt%, 1~3 μ m, surplus is the aluminium powder of particle diameter 3~6 μ m, the organic solvent that consists of 50~70wt% of described organic carrier and the auxiliary agent of 30~50wt%, described organic solvent is ethyl carbitol, terpineol, terpinol, any in butyl carbitol and butyl carbitol acetate or their combination, the percentage by weight that described auxiliary agent and described auxiliary agent account for described organic carrier is respectively: the thickener of 5~20wt%, the plasticizer of 15~25wt%, the surfactant of 1~5wt% and the levelling agent of 1~10wt%, described thickener is Sodium Polyacrylate, described plasticizer is triacetin or citrate, described surfactant is sucrose ester, described levelling agent is the copolymer of silicone-modified polyacrylate or acrylate and butyl acrylate.
2. aluminum conductor slurry as claimed in claim 1, is characterized in that, described glass dust comprises: the Bi of 40~60wt%
2o
3, 5~25wt% B
2o
3, the ZnO of 10~35wt% is, the SiO of 5~10wt%
2, 1~5wt% Al
2o
3, the CaO of 0.1~5wt% is, the MgO of 0.1~3wt%.
3. aluminum conductor slurry as claimed in claim 1, is characterized in that, described aluminum conductor slurry also comprises the metallo-organic compound additive of 0.1~5wt%.
4. aluminum conductor slurry as claimed in claim 3, is characterized in that, described metallo-organic compound additive is for containing one or more in the organic compound of In, Sn, Ga, Ni and Cu.
5. aluminum conductor slurry as claimed in claim 1, is characterized in that, described auxiliary agent also comprises defoamer, and the percentage by weight that described defoamer accounts for described organic carrier is 1~5wt%.
6. aluminum conductor slurry as claimed in claim 5, is characterized in that, described defoamer is dimethyl silicone polymer.
Priority Applications (1)
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CN201210030232.2A CN102592708B (en) | 2012-02-13 | 2012-02-13 | Aluminum conductor slurry for silicon solar energy battery |
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CN103000256A (en) * | 2012-11-10 | 2013-03-27 | 江苏瑞德新能源科技有限公司 | Undoped solar cell back aluminum slurry |
KR101716549B1 (en) * | 2014-11-19 | 2017-03-15 | 삼성에스디아이 주식회사 | Composition for forming solar cell electrode and electrode prepared using the same |
CN109074895B (en) | 2016-08-16 | 2022-05-27 | 浙江凯盈新材料有限公司 | Thick film paste for front side metallization in silicon solar cells |
KR101994368B1 (en) * | 2016-09-21 | 2019-06-28 | 삼성에스디아이 주식회사 | Method of forming electrode pattern for solar cell, electrode manufactured using the same and solar cell |
SG11201809794SA (en) | 2016-12-20 | 2018-12-28 | Zhejiang Kaiying New Materials Co Ltd | Interdigitated back contact metal-insulator-semiconductor solar cell with printed oxide tunnel junctions |
MY189222A (en) * | 2016-12-20 | 2022-01-31 | Zhejiang Kaiying New Mat Co Ltd | Siloxane-containing solar cell metallization pastes |
CN106997789B (en) * | 2017-02-20 | 2019-03-01 | 江苏瑞德新能源科技有限公司 | A kind of solar energy aluminum conductor slurry and preparation method thereof |
CN107240437A (en) * | 2017-06-30 | 2017-10-10 | 江苏瑞德新能源科技有限公司 | A kind of passivation emitter solar cell aluminium paste |
US10749045B1 (en) | 2019-05-23 | 2020-08-18 | Zhejiang Kaiying New Materials Co., Ltd. | Solar cell side surface interconnects |
US10622502B1 (en) | 2019-05-23 | 2020-04-14 | Zhejiang Kaiying New Materials Co., Ltd. | Solar cell edge interconnects |
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JP4714633B2 (en) * | 2006-04-25 | 2011-06-29 | シャープ株式会社 | Conductive paste for solar cell electrode |
CN101425545B (en) * | 2008-04-30 | 2010-08-18 | 范琳 | Environment protection type silicon solar cell back electric field aluminum pulp and producing method thereof |
JP5113710B2 (en) * | 2008-10-08 | 2013-01-09 | 京都エレックス株式会社 | Conductive paste for forming electrode of solar cell element, solar cell element, and method for manufacturing the solar cell element |
CN101901844B (en) * | 2009-05-27 | 2012-06-06 | 比亚迪股份有限公司 | Solar cell conductive slurry and preparation method thereof |
CN101609847B (en) * | 2009-07-08 | 2011-05-18 | 西安交通大学苏州研究院 | Paste for forming solar battery electrode |
TWI576861B (en) * | 2010-02-12 | 2017-04-01 | 碩禾電子材料股份有限公司 | Conductive aluminum pastes and the fabrication method thereof, the solar cell and the module thereof |
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