CN108538443B - Organic carrier for solar electronic paste and electronic paste containing organic carrier - Google Patents
Organic carrier for solar electronic paste and electronic paste containing organic carrier Download PDFInfo
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- CN108538443B CN108538443B CN201810282917.3A CN201810282917A CN108538443B CN 108538443 B CN108538443 B CN 108538443B CN 201810282917 A CN201810282917 A CN 201810282917A CN 108538443 B CN108538443 B CN 108538443B
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- 238000003756 stirring Methods 0.000 claims abstract description 78
- 239000000843 powder Substances 0.000 claims abstract description 74
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 239000011521 glass Substances 0.000 claims abstract description 45
- 229920000642 polymer Polymers 0.000 claims abstract description 45
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 238000002360 preparation method Methods 0.000 claims abstract description 24
- 238000012216 screening Methods 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 239000000080 wetting agent Substances 0.000 claims abstract description 21
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 20
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 229920005862 polyol Polymers 0.000 claims abstract description 7
- 150000003077 polyols Chemical class 0.000 claims abstract description 7
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 4
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 29
- 238000010907 mechanical stirring Methods 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 21
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 17
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 230000005684 electric field Effects 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 11
- RJCLZEKYUQKDAL-UHFFFAOYSA-M 1-ethyl-3-methylimidazol-3-ium;2-hydroxypropanoate Chemical compound CC(O)C([O-])=O.CC[N+]=1C=CN(C)C=1 RJCLZEKYUQKDAL-UHFFFAOYSA-M 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 8
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 150000001336 alkenes Chemical class 0.000 claims description 8
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000005355 lead glass Substances 0.000 claims description 7
- 239000011268 mixed slurry Substances 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 150000005846 sugar alcohols Polymers 0.000 claims description 7
- MGNZXYYWBUKAII-UHFFFAOYSA-N cyclohexa-1,3-diene Chemical compound C1CC=CC=C1 MGNZXYYWBUKAII-UHFFFAOYSA-N 0.000 claims description 6
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 claims description 6
- 229960000367 inositol Drugs 0.000 claims description 6
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 claims description 6
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 5
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 5
- SQUHHTBVTRBESD-UHFFFAOYSA-N Hexa-Ac-myo-Inositol Natural products CC(=O)OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O SQUHHTBVTRBESD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 5
- 239000004914 cyclooctane Substances 0.000 claims description 5
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 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
- 150000002148 esters Chemical class 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- ZAZKJZBWRNNLDS-UHFFFAOYSA-N methyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OC ZAZKJZBWRNNLDS-UHFFFAOYSA-N 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 4
- 150000007524 organic acids Chemical group 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- CFNJLPHOBMVMNS-UHFFFAOYSA-N pentyl butyrate Chemical compound CCCCCOC(=O)CCC CFNJLPHOBMVMNS-UHFFFAOYSA-N 0.000 claims description 4
- -1 perfluoroalkyl ammonium sulfonate Chemical compound 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 239000001993 wax Substances 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- MWRSABPHNREIIX-UHFFFAOYSA-N 9,9-dimethyldecan-1-ol Chemical compound CC(C)(C)CCCCCCCCO MWRSABPHNREIIX-UHFFFAOYSA-N 0.000 claims description 3
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- YFNONBGXNFCTMM-UHFFFAOYSA-N butoxybenzene Chemical compound CCCCOC1=CC=CC=C1 YFNONBGXNFCTMM-UHFFFAOYSA-N 0.000 claims description 3
- 235000015165 citric acid Nutrition 0.000 claims description 3
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 claims description 3
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims description 3
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims description 3
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- OIQGMAAUSGKPEX-UHFFFAOYSA-N C(C(O)C)(=O)O.C(C)N1CN(C=C1)C Chemical compound C(C(O)C)(=O)O.C(C)N1CN(C=C1)C OIQGMAAUSGKPEX-UHFFFAOYSA-N 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 241001122767 Theaceae Species 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- WJTCGQSWYFHTAC-UHFFFAOYSA-N cyclooctane Chemical compound C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 claims description 2
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 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
- 150000002170 ethers Chemical class 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 2
- WIBFFTLQMKKBLZ-SEYXRHQNSA-N n-butyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCCC WIBFFTLQMKKBLZ-SEYXRHQNSA-N 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- DLRJIFUOBPOJNS-UHFFFAOYSA-N phenetole Chemical compound CCOC1=CC=CC=C1 DLRJIFUOBPOJNS-UHFFFAOYSA-N 0.000 claims description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 2
- 235000013824 polyphenols Nutrition 0.000 claims description 2
- 229910052714 tellurium Inorganic materials 0.000 claims description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 2
- 229940116411 terpineol Drugs 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract description 7
- 238000007639 printing Methods 0.000 abstract description 6
- 238000001132 ultrasonic dispersion Methods 0.000 abstract description 6
- 238000007650 screen-printing Methods 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 12
- 239000004721 Polyphenylene oxide Substances 0.000 description 5
- 239000000693 micelle Substances 0.000 description 5
- 229920000570 polyether Polymers 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 125000003944 tolyl group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- FWORXMBUQIOLAM-UHFFFAOYSA-N OCC(O)CO.C1=CC=CC1 Chemical group OCC(O)CO.C1=CC=CC1 FWORXMBUQIOLAM-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- SNRUBQQJIBEYMU-NJFSPNSNSA-N dodecane Chemical group CCCCCCCCCCC[14CH3] SNRUBQQJIBEYMU-NJFSPNSNSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses an organic carrier for solar electronic paste and electronic paste containing the organic carrier, wherein the organic carrier comprises the following components in percentage by weight: 2-30% of polymer carrier, 20-50% of solvent, 10-50% of screening agent, 5-10% of wetting agent, 5-20% of solid content blending agent, 5-20% of antioxidant and 5-10% of orange peel preventing agent; wherein the polymer carrier is prepared by a polymerization reaction between an organic vinyl and a polyol; the electronic paste consists of 10-50% of organic carrier, 50-90% of silver powder and 1.5-3.5% of glass powder; the preparation process of the electronic paste comprises the following steps: organic weighing, ultrasonic dispersion, low-speed stirring, powder weighing, low-speed stirring, grinding and vacuum stirring; the electronic paste prepared by the organic carrier has good screening property, regular printing line shape and higher aspect ratio, and can eliminate the phenomena of solvent precipitation, screen blockage, virtual printing and the like during screen printing.
Description
Technical Field
The invention relates to a preparation method of a solar slurry organic carrier and a solar electronic slurry. In particular to a method for preparing a solar electronic paste organic carrier by virtue of a polymerization reaction between organic alkene and polyalcohol and producing the solar electronic paste by using the carrier through a certain process, belonging to the field of solar photovoltaic.
Background
The solar cell is an energy converter which directly converts light energy into electric energy on the basis of photovoltaic effect generated by solar illumination on a semiconductor P-N junction. As shown in fig. 4, the photoelectric conversion process can be summarized as follows: when sunlight irradiates the solar cell, one part of the sunlight is reflected by the surface of the solar cell, the other part of the sunlight is absorbed by the solar cell, and a small amount of the sunlight penetrates through the solar cell. Among photons absorbed by the solar cell, the photons with energy larger than the forbidden bandwidth of the semiconductor excite valence electrons of atoms in the semiconductor, the electrons are bound by atomic nuclei, and a large number of photo-generated electron-hole pairs are generated in a P region, a space charge region and an N region of the solar cell, which is called as internal photoelectric effect, so that the solar cell converts light energy into electric energy by means of the internal photoelectric effect.
The photo-generated current generated by the battery is collected by the metal grid lines on the surface of the battery piece so as to form current for the load to use. The grid line printing of the photovoltaic cell slice adopts vacuum evaporation or chemical plating at first, and the current commonly adopted screen printing process is simple in equipment, convenient to operate, simple in plate making, low in cost and strong in adaptability compared with the former two processes.
In order to improve the efficiency, the line width of the screen with mesh junction on the market at present reaches 28um, and the mesh number reaches 400 meshes, and the variation of the parameters also has very strict requirements on the printability of the electronic paste. Along with the narrowing of the line width and the increase of the mesh number, the probability of the phenomena of net blocking, line breaking, virtual printing and the like in the printing process is higher, if the paste cannot be printed on the surface of the battery piece rapidly and perfectly, the production of subsequent components can be directly influenced, and even the production stop of manufacturers can be caused. It follows that the printability of the paste plays the most critical role throughout the cell process.
The invention utilizes the polymerization reaction between organic alkene and polyalcohol to prepare the organic carrier of the solar electronic paste, and the solar electronic paste is produced by the carrier. The slurry has good flexibility, proper bonding strength and excellent screening performance.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
To achieve these objects and other advantages in accordance with the present invention, there is provided an organic vehicle for a solar electronic paste, comprising the following components in weight percent:
2-30% of polymer carrier, 20-50% of solvent, 10-50% of screening agent, 5-10% of wetting agent, 5-20% of solid content blending agent, 5-20% of antioxidant and 5-10% of orange peel preventing agent;
wherein the polymer carrier is prepared by a polymerization reaction between an organic vinyl and a polyol.
Preferably, the solvent is any one of ethers, esters and alcohols; the net-passing agent is aliphatic hydrocarbon or aromatic hydrocarbon; the wetting agent comprises a non-polar or weakly polar liquid hydrocarbon and a surfactant having a low surface tension; the solid content blending agent is paraffin wax and polyamide wax; the antioxidant is 2, 6-di-tert-butyl-4-methylphenol, tea polyphenol, tert-butyl hydroquinone and aniline; the orange peel preventing agent is perfluoroalkyl esterified FC-430, perfluoroalkyl ammonium sulfonate FC-120 and perfluoroalkyl polyvinyl alcohol FC-171.
Preferably, the ether substances are diethylene glycol butyl ether, propylene glycol methyl ether, ethylene glycol phenyl ether, anisole, phenetole and butyl phenyl ether; the ester substances are ethyl benzoate, tributyl citrate, dibutyl phthalate, dioctyl phthalate, amyl butyrate, methyl myristate and butyl oleate; the alcohol substance is any one of butyl carbitol, phenethyl alcohol, trimethyl nonanol, cyclopentanol and terpineol.
Preferably, the screening agent is any one of dodecane, cyclooctane and cyclohexylbenzene; the wetting agent is any one of xylene, toluene and cyclohexane.
Preferably, the preparation of the polymeric support comprises the steps of:
step one, adding a certain amount of polyhydric alcohol and a certain amount of organic alkene substances into a reaction kettle with a mechanical stirring and heating device, and fully stirring at room temperature to uniformly mix; then adding a small amount of catalyst, and stirring again at room temperature to mix uniformly;
step two, heating to 50-120 ℃, and then continuously stirring for 1-3 hours at the temperature, wherein a proper organic solvent can be added according to the state of a product to adjust the consistency of the polymer; after the reaction is completed, the polymer carrier is taken out and stored in a sealed manner for later use.
Preferably, the polyhydric alcohol is any one of ethylene glycol, glycerol and inositol; the organic alkene substance is any one of styrene, cyclopentadiene and cyclohexadiene; the catalyst is organic acid or inorganic acid; the organic solvent is any one of butyl carbitol, ethyl benzoate and phenethyl alcohol.
Preferably, the weight ratio of the polyhydric alcohol to the organic alkene substance is 1: 0.5 to 5; the weight ratio of the polyol to the catalyst is 1: 0.01 to 0.03; the organic acid is acrylic acid, oxalic acid, formic acid, lactic acid and citric acid; the inorganic acid is any one of sulfuric acid, nitric acid, hydrochloric acid, boric acid, phosphoric acid and pyroantimonic acid.
Preferably, the preparation process of the polymer carrier is replaced by the following process: fully stirring a certain amount of polyhydric alcohol and a certain amount of organic alkene substances to be uniformly mixed, then adding a small amount of catalyst, and stirring again at room temperature to be uniformly mixed; then placing the obtained material in a sealed container, introducing nitrogen into the sealed container to saturate the nitrogen, and then placing the sealed container in an electron accelerator of 1.5MeV and 30mA to carry out irradiation stirring treatment for 45-60 min; adding an organic solvent, N-vinyl pyrrolidone and 1-ethyl-3-methylimidazolium lactic acid into the reacted feed liquid, then adding the feed liquid into a high-voltage pulse electric field treatment chamber, and treating by using a high-voltage pulse electric field; a polymeric support is obtained.
Preferably, the parameters of the high-voltage pulse electric field treatment are as follows: the pulse amplitude is 8-12 KV, the pulse frequency is 800-1000 Hz, the pulse width is 8-12 us, and the processing time is 60-90 min; the irradiation dose rate adopted by irradiation is 100-200 Gy.min-1The irradiation dose is 30-60 kGy; the mass ratio of the reacted feed liquid to the organic solvent is 1: 0.02-0.2; the mass ratio of the reacted feed liquid to the 1-ethyl-3-methylimidazolium lactic acid is 1: 0.05-0.08; the mass ratio of the N-vinyl pyrrolidone to the 1-ethyl-3-methylimidazol lactic acid is 1: 1-3.
The invention also provides solar electronic paste containing the organic carrier, which comprises the following components in percentage by weight: 10-50% of organic carrier, 50-90% of silver powder and 1.5-3.5% of glass powder;
the glass powder is one or a mixture of more of spherical, flaky and irregular glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder or tellurium glass powder;
the silver powder is one or a mixture of more of spherical silver powder, flaky silver powder, irregular silver powder and linear silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
The invention at least comprises the following beneficial effects: the electronic paste prepared by the organic carrier has good screening property, regular printing line shape and higher aspect ratio, and can eliminate the phenomena of solvent precipitation, screen blockage, virtual printing and the like during screen printing.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
FIG. 1 is a top view of a line type for printing 30um screen with net knots by using the electronic paste of example 1;
FIG. 2 is a 3D diagram of printing a 30um screen-bonded line pattern with a screen using the electronic paste of example 1;
fig. 3 is a top line view of a 28um screen without mesh knots printed using the electronic paste of example 1;
fig. 4 is a schematic diagram of the working principle of the photovoltaic cell.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1:
an organic carrier for solar electronic paste comprises the following raw materials in parts by weight:
20 parts of polymer carrier, 40 parts of solvent, 10 parts of screening agent, 5 parts of wetting agent, 10 parts of solid content blending agent, 10 parts of antioxidant and 5 parts of orange peel preventing agent;
the polymer carrier is ethylene glycol-cyclohexadiene polyether; the solvent is butyl carbitol; the screening agent is dodecane; the wetting agent is xylene; the solid content blending agent is paraffin; the antioxidant is 2, 6-di-tert-butyl-4-methylphenol; the orange peel preventing agent is perfluoroalkyl esterified FC-430;
the preparation method of the organic carrier comprises the following steps: weighing the polymer carrier, the solvent, the screening agent, the wetting agent, the solid content blending agent, the antioxidant and the orange peel preventing agent in proportion in a container, and mechanically stirring and mixing; placing the roughly mixed organic carrier into an ultrasonic oscillator for ultrasonic dispersion for 30-60 s; repeating the steps until no obvious organic micelle exists in the carrier, taking out the carrier, and sealing and storing the carrier for later use;
the preparation of the polymer carrier comprises the following steps:
step one, adding 1 part of ethylene glycol and 1.27 parts of cyclohexadiene into a reaction kettle with a mechanical stirring and heating device according to parts by weight, and fully stirring at room temperature to uniformly mix; then, 0.02 part of acrylic acid is added, and the mixture is stirred again at room temperature to be uniformly mixed;
step two, heating to 70 ℃, and then continuing stirring for 2 hours at the temperature, wherein proper butyl carbitol is added according to the state of the product to adjust the consistency of the polymer; after the reaction is completed, the polymer carrier is taken out and stored in a sealed manner for later use.
Example 2:
an organic carrier for solar electronic paste comprises the following raw materials in parts by weight:
30 parts of polymer carrier, 35 parts of solvent, 10 parts of screening agent, 5 parts of wetting agent, 10 parts of solid content blending agent, 5 parts of antioxidant and 5 parts of orange peel preventing agent;
the polymer carrier is glycerol-cyclopentadiene polyether; the solvent is ethyl benzoate; the net-passing agent is cyclohexylbenzene; the wetting agent is cyclohexane; the solid content blending agent is paraffin; the antioxidant is 2, 6-di-tert-butyl-4-methylphenol; the orange peel preventing agent is perfluoroalkyl ammonium sulfonate FC-120;
the preparation method of the organic carrier comprises the following steps: weighing the polymer carrier, the solvent, the screening agent, the wetting agent, the solid content blending agent, the antioxidant and the orange peel preventing agent in proportion in a container, and mechanically stirring and mixing; placing the roughly mixed organic carrier into an ultrasonic oscillator for ultrasonic dispersion for 30-60 s; repeating the steps until no obvious organic micelle exists in the carrier, taking out the carrier, and sealing and storing the carrier for later use;
the preparation of the polymer carrier comprises the following steps:
step one, adding 1 part of glycerol and 0.72 part of cyclopentadiene into a reaction kettle with a mechanical stirring and heating device according to parts by weight, and fully stirring at room temperature to uniformly mix; then, 0.01 part of sulfuric acid is added, and the mixture is stirred again at room temperature to be uniformly mixed;
step two, heating to 70 ℃, and then continuing stirring for 2 hours at the temperature, wherein proper ethyl benzoate can be added according to the state of the product to adjust the consistency of the polymer; after the reaction is completed, the polymer carrier is taken out and stored in a sealed manner for later use.
Example 3:
an organic carrier for solar electronic paste comprises the following raw materials in parts by weight:
25 parts of polymer carrier, 35 parts of solvent, 10 parts of screening agent, 5 parts of wetting agent, 10 parts of solid content blending agent, 10 parts of antioxidant and 5 parts of orange peel preventing agent;
the polymer carrier is inositol-styrene polyether; the solvent is phenethyl alcohol; the screening agent is cyclooctane; the wetting agent is toluene; the solid content blending agent is paraffin; the antioxidant is 2, 6-di-tert-butyl-4-methylphenol; the orange peel preventing agent is perfluoroalkyl polyvinyl alcohol FC-171;
the preparation method of the organic carrier comprises the following steps: weighing the polymer carrier, the solvent, the screening agent, the wetting agent, the solid content blending agent, the antioxidant and the orange peel preventing agent in proportion in a container, and mechanically stirring and mixing; placing the roughly mixed organic carrier into an ultrasonic oscillator for ultrasonic dispersion for 30-60 s; repeating the steps until no obvious organic micelle exists in the carrier, taking out the carrier, and sealing and storing the carrier for later use;
the preparation of the polymer carrier comprises the following steps:
step one, adding 1 part of inositol and 3.5 parts of styrene into a reaction kettle with a mechanical stirring and heating device according to parts by weight, and fully stirring at room temperature to mix uniformly; then 0.02 part of oxalic acid is added, and the mixture is stirred again at room temperature to be uniformly mixed;
step two, heating to 70 ℃, and then continuing stirring for 2 hours at the temperature, wherein proper phenethyl alcohol can be added according to the state of the product to adjust the consistency of the polymer; after the reaction is completed, the polymer carrier is taken out and stored in a sealed manner for later use.
Example 4:
an organic carrier for solar electronic paste comprises the following raw materials in parts by weight:
30 parts of polymer carrier, 30 parts of solvent, 10 parts of screening agent, 5 parts of wetting agent, 10 parts of solid content blending agent, 10 parts of antioxidant and 5 parts of orange peel preventing agent;
the polymer carrier is inositol-styrene polyether; the solvent is trimethyl nonanol; the screening agent is cyclooctane; the wetting agent is toluene; the solid content blending agent is polyamide wax; the antioxidant is tert-butyl hydroquinone; the orange peel preventing agent is perfluoroalkyl polyvinyl alcohol FC-171;
the preparation method of the organic carrier comprises the following steps: weighing the polymer carrier, the solvent, the screening agent, the wetting agent, the solid content blending agent, the antioxidant and the orange peel preventing agent in proportion in a container, and mechanically stirring and mixing; placing the roughly mixed organic carrier into an ultrasonic oscillator for ultrasonic dispersion for 30-60 s; repeating the steps until no obvious organic micelle exists in the carrier, taking out the carrier, and sealing and storing the carrier for later use;
the preparation of the polymer carrier comprises the following steps:
step one, adding 1 part of inositol and 3.5 parts of styrene into a reaction kettle with a mechanical stirring and heating device according to parts by weight, and fully stirring at room temperature to mix uniformly; then 0.02 part of citric acid is added, and the mixture is stirred again at room temperature to be uniformly mixed;
step two, heating to 70 ℃, and then continuing stirring for 2 hours at the temperature, wherein proper phenethyl alcohol can be added according to the state of the product to adjust the consistency of the polymer; after the reaction is completed, the polymer carrier is taken out and stored in a sealed manner for later use.
Example 5:
an organic carrier for solar electronic paste comprises the following raw materials in parts by weight:
25 parts of polymer carrier, 35 parts of solvent, 10 parts of screening agent, 5 parts of wetting agent, 10 parts of solid content blending agent, 10 parts of antioxidant and 5 parts of orange peel preventing agent;
the polymer carrier is inositol-styrene polyether; the solvent is butyl phenyl ether; the screening agent is cyclooctane; the wetting agent is toluene; the solid content blending agent is polyamide wax; the antioxidant is aniline; the orange peel preventing agent is perfluoroalkyl polyvinyl alcohol FC-171;
the preparation method of the organic carrier comprises the following steps: weighing the polymer carrier, the solvent, the screening agent, the wetting agent, the solid content blending agent, the antioxidant and the orange peel preventing agent in proportion in a container, and mechanically stirring and mixing; placing the roughly mixed organic carrier into an ultrasonic oscillator for ultrasonic dispersion for 30-60 s; repeating the steps until no obvious organic micelle exists in the carrier, taking out the carrier, and sealing and storing the carrier for later use;
the preparation of the polymer carrier comprises the following steps:
step one, adding 1 part of inositol and 3.5 parts of styrene into a reaction kettle with a mechanical stirring and heating device according to parts by weight, and fully stirring at room temperature to mix uniformly; then 0.02 part of pyroantimonic acid is added, and the mixture is stirred again at room temperature to be uniformly mixed;
step two, heating to 70 ℃, and then continuing stirring for 2 hours at the temperature, wherein proper phenethyl alcohol can be added according to the state of the product to adjust the consistency of the polymer; after the reaction is completed, the polymer carrier is taken out and stored in a sealed manner for later use.
Example 6:
the preparation process of the polymer carrier is replaced by the following process: according to the weight portion, 1 portion of glycerol and 0.72 portion of cyclopentadiene are fully stirred to be uniformly mixed, then 0.01 portion of sulfuric acid is added, and the mixture is stirred again at room temperature to be uniformly mixed; then placing the obtained material in a sealed container, introducing nitrogen to saturate the nitrogen, and then placing the sealed container in an electron accelerator of 1.5MeV and 30mA to carry out irradiation stirring treatment for 60 min; adding ethyl benzoate, N-vinyl pyrrolidone and 1-ethyl-3-methylimidazolium lactic acid into the reacted feed liquid, then adding the feed liquid into a high-voltage pulse electric field treatment chamber, and treating by using a high-voltage pulse electric field; obtaining a polymer carrier; the parameters of the high-voltage pulse electric field treatment are as follows: the pulse amplitude is 12KV, the pulse frequency is 1000Hz, the pulse width is 10us, and the processing time is 90 min; the irradiation dose rate adopted by irradiation is 200Gy.min-1Spoke of Chinese characterThe mass ratio of the reacted feed liquid to the ethyl benzoate is 1:0.1 according to the dose of 60 kGy; the mass ratio of the reacted feed liquid to the 1-ethyl-3-methylimidazolium lactic acid is 1: 0.06; the mass ratio of the N-vinyl pyrrolidone to the 1-ethyl-3-methylimidazolium lactic acid is 1: 2;
the remaining process parameters and procedures were exactly the same as in example 2.
Example 7:
the preparation process of the polymer carrier is replaced by the following process: according to the parts by weight, 1 part of cyclohexanehexol and 3.5 parts of styrene are fully stirred to be uniformly mixed, then 0.02 part of oxalic acid is added, and the mixture is stirred again at room temperature to be uniformly mixed; then placing the obtained material in a sealed container, introducing nitrogen to saturate the nitrogen, and then placing the sealed container in an electron accelerator of 1.5MeV and 30mA to carry out irradiation stirring treatment for 50 min; adding ethyl benzoate, N-vinyl pyrrolidone and 1-ethyl-3-methylimidazolium lactic acid into the reacted feed liquid, then adding the feed liquid into a high-voltage pulse electric field treatment chamber, and treating by using a high-voltage pulse electric field; obtaining a polymer carrier; the parameters of the high-voltage pulse electric field treatment are as follows: the pulse amplitude is 10KV, the pulse frequency is 800Hz, the pulse width is 12us, and the processing time is 60 min; the irradiation dose rate adopted by irradiation is 150Gy.min-1The mass ratio of the reacted feed liquid to the ethyl benzoate is 1:0.2, wherein the irradiation dose is 50 kGy; the mass ratio of the reacted feed liquid to the 1-ethyl-3-methylimidazolium lactic acid is 1: 0.08; the mass ratio of the N-vinyl pyrrolidone to the 1-ethyl-3-methylimidazolium lactic acid is 1: 3;
the remaining process parameters and procedures were exactly the same as in example 3.
Example 8:
a solar electronic paste comprising the organic vehicle of embodiment 1, the solar electronic paste comprising the following components in parts by weight: 10 parts of organic carrier, 88 parts of silver powder and 2 parts of glass powder;
the glass powder is spherical glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder;
the silver powder is spherical silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
Example 9:
a solar electronic paste comprising the organic vehicle of embodiment 2, the solar electronic paste comprising the following components in parts by weight: 23 parts of organic carrier, 75 parts of silver powder and 2 parts of glass powder;
the glass powder is spherical glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder;
the silver powder is spherical silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
Example 10:
a solar electronic paste comprising the organic vehicle of embodiment 3, the solar electronic paste comprising the following components in parts by weight: 18 parts of organic carrier, 80 parts of silver powder and 2 parts of glass powder;
the glass powder is spherical glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder;
the silver powder is spherical silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
Example 11:
a solar electronic paste comprising the organic vehicle of embodiment 4, the solar electronic paste comprising the following components in parts by weight: 23 parts of organic carrier, 75 parts of silver powder and 2 parts of glass powder;
the glass powder is spherical glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder;
the silver powder is spherical silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
Example 12:
a solar electronic paste comprising the organic vehicle of embodiment 5, the solar electronic paste comprising the following components in parts by weight: 23 parts of organic carrier, 75 parts of silver powder and 2 parts of glass powder;
the glass powder is spherical glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder;
the silver powder is spherical silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
Example 13:
the organic vehicle in example 9 was replaced with the organic vehicle prepared in example 6, and the remaining process parameters and procedures were exactly the same as in example 9.
Example 14:
the organic vehicle in example 10 was replaced with the organic vehicle prepared in example 7, and the remaining process parameters and procedures were exactly the same as in example 10.
Example 15:
the organic vehicle prepared in example 9 was replaced with a prior art lipid cellulose vehicle, and the remaining process parameters and procedures were exactly the same as those in example 9.
Example 16:
the organic vehicle prepared in example 9 was replaced with a prior art hydroxycellulose vehicle, and the remaining process parameters and procedures were exactly the same as those in example 9.
The electronic paste prepared in examples 8-14 and comparative examples 1-2 was printed to prepare solar cells, and the performance of the solar cells was tested, with the results shown in tables 1 and 2; table 1 shows the electronic paste web tie 32um screen printing data; table 2 shows the electrical performance data of the electronic paste material with mesh junction 32um screen printing plate;
TABLE 1
TABLE 2
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (5)
1. An organic carrier for solar electronic paste is characterized by comprising the following components in percentage by weight:
2-30% of polymer carrier, 20-50% of solvent, 10-50% of screening agent, 5-10% of wetting agent, 5-20% of solid content blending agent, 5-20% of antioxidant and 5-10% of orange peel preventing agent;
wherein the polymer carrier is prepared by a polymerization reaction between an organic vinyl and a polyol;
the solvent is any one of ethers, esters and alcohols; the solid content blending agent is paraffin or polyamide wax; the antioxidant is any one of 2, 6-di-tert-butyl-4-methylphenol, tea polyphenol, tert-butyl hydroquinone and aniline; the orange peel preventing agent is any one of perfluoroalkyl esterified substance FC-430, perfluoroalkyl ammonium sulfonate FC-120 and perfluoroalkyl polyvinyl alcohol FC-171; the screening agent is any one of dodecane, cyclooctane and cyclohexylbenzene; the wetting agent is any one of dimethylbenzene, methylbenzene and cyclohexane;
the preparation of the polymer carrier comprises: fully stirring a certain amount of polyhydric alcohol and a certain amount of organic alkene substances to be uniformly mixed, then adding a small amount of catalyst, and stirring again at room temperature to be uniformly mixed; then placing the obtained material in a sealed container, introducing nitrogen into the sealed container to saturate the nitrogen, and then placing the sealed container in an electron accelerator of 1.5MeV and 30mA to carry out irradiation stirring treatment for 45-60 min; adding an organic solvent, N-vinyl pyrrolidone and 1-ethyl-3-methylimidazolium lactic acid into the reacted feed liquid, then adding the feed liquid into a high-voltage pulse electric field treatment chamber, and treating by using a high-voltage pulse electric field; obtaining a polymer carrier;
the parameters of the high-voltage pulse electric field treatment are as follows: the pulse amplitude is 8-12 KV, the pulse frequency is 800-1000 Hz, the pulse width is 8-12 us, and the processing time is 60-90 min; the irradiation dose rate adopted by irradiation is 100-200 Gy.min-1The irradiation dose is 30-60 kGy; the mass ratio of the feed liquid to the organic solvent after the reaction is1: 0.02-0.2; the mass ratio of the reacted feed liquid to the 1-ethyl-3-methylimidazolium lactic acid is 1: 0.05-0.08; the mass ratio of the N-vinyl pyrrolidone to the 1-ethyl-3-methylimidazol lactic acid is 1: 1-3.
2. The organic vehicle for solar electronic paste according to claim 1, wherein the ether substance is any one of diethylene glycol butyl ether, propylene glycol methyl ether, ethylene glycol phenyl ether, anisole, phenetole, butyl phenyl ether; the ester substance is any one of ethyl benzoate, tributyl citrate, dibutyl phthalate, dioctyl phthalate, amyl butyrate, methyl myristate and butyl oleate; the alcohol substance is any one of butyl carbitol, phenethyl alcohol, trimethyl nonanol, cyclopentanol and terpineol.
3. The organic vehicle for solar electronic paste according to claim 1, wherein the polyol is any one of ethylene glycol, glycerol, and inositol; the organic alkene substance is any one of styrene, cyclopentadiene and cyclohexadiene; the catalyst is organic acid or inorganic acid; the organic solvent is any one of butyl carbitol, ethyl benzoate and phenethyl alcohol.
4. The organic vehicle for solar electronic paste according to claim 3, wherein the weight ratio of the polyol to the organic vinyl is 1: 0.5 to 5; the weight ratio of the polyol to the catalyst is 1: 0.01 to 0.03; the organic acid is any one of acrylic acid, oxalic acid, formic acid, lactic acid and citric acid; the inorganic acid is any one of sulfuric acid, nitric acid, hydrochloric acid, boric acid, phosphoric acid and pyroantimonic acid.
5. A solar electronic paste comprising the organic vehicle as claimed in any one of claims 1 to 4, wherein the solar electronic paste comprises the following components in percentage by weight: 10-50% of organic carrier, 50-90% of silver powder and 1.5-3.5% of glass powder;
the glass powder is one or a mixture of more of spherical, flaky and irregular glass powder; d of the spherical glass powder50Is 2-3 um, D100Is 7-9 um; the glass powder is lead glass powder or tellurium glass powder;
the silver powder is one or a mixture of more of spherical silver powder, flaky silver powder, irregular silver powder and linear silver powder; d of the spherical silver powder50Is 1.5 to 2.0um, D1004.0-5.0 um;
the preparation method of the electronic paste comprises the following steps: putting the organic carrier and the glass powder into a stirring cylinder, and mechanically stirring to uniformly mix; adding silver powder into an organic carrier, and performing low-speed mechanical stirring, wherein the stirring paddle, the side wall and the bottom of the stirring kettle are scraped during the low-speed mechanical stirring to strip dry powder attached to the stirring paddle and the side wall and the bottom of the stirring kettle; repeating the process until no dry powder and particles are present in the slurry; transferring the mixed slurry to a three-roller machine, and according to the clearance between a fast roller and a middle roller: 100um, 70um, 40um, medium roll-slow roll gap: grinding at 50um, 30um and 10um, wherein each pair of gaps is ground for 3-6 times; and transferring the ground slurry into a vacuum stirring kettle, and performing low-speed mechanical stirring in a vacuum state to remove bubbles in the slurry and realize secondary mixing to obtain the electronic slurry.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101609850A (en) * | 2009-07-14 | 2009-12-23 | 中南大学 | Lead-free silver conductive paste used for positive electrode of solar battery and preparation technology thereof |
| CN102262914A (en) * | 2010-05-31 | 2011-11-30 | 比亚迪股份有限公司 | Conductive silver paste and preparation method thereof as well as solar cell slice |
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