CN106601327B - Low solvent volatility conductive slurry for front electrode of solar battery and preparation method - Google Patents
Low solvent volatility conductive slurry for front electrode of solar battery and preparation method Download PDFInfo
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- CN106601327B CN106601327B CN201611191334.7A CN201611191334A CN106601327B CN 106601327 B CN106601327 B CN 106601327B CN 201611191334 A CN201611191334 A CN 201611191334A CN 106601327 B CN106601327 B CN 106601327B
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- 239000002002 slurry Substances 0.000 title claims abstract description 41
- 239000002904 solvent Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000002608 ionic liquid Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 6
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims abstract description 3
- -1 carbitol Chemical compound 0.000 claims description 50
- 239000003960 organic solvent Substances 0.000 claims description 10
- 150000001450 anions Chemical class 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 5
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 4
- 239000001856 Ethyl cellulose Substances 0.000 claims description 4
- 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 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 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
- 239000002253 acid Substances 0.000 claims description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 229920001249 ethyl cellulose Polymers 0.000 claims description 4
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 4
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 4
- 239000004014 plasticizer Substances 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Natural products C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000000843 powder Substances 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
- 239000001993 wax Substances 0.000 claims description 3
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 claims description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 241001614291 Anoplistes Species 0.000 claims description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000001293 FEMA 3089 Substances 0.000 claims description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- MZVQCMJNVPIDEA-UHFFFAOYSA-N [CH2]CN(CC)CC Chemical group [CH2]CN(CC)CC MZVQCMJNVPIDEA-UHFFFAOYSA-N 0.000 claims description 2
- QFIGQGUHYKRFAI-UHFFFAOYSA-K aluminum;trichlorate Chemical compound [Al+3].[O-]Cl(=O)=O.[O-]Cl(=O)=O.[O-]Cl(=O)=O QFIGQGUHYKRFAI-UHFFFAOYSA-K 0.000 claims description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N anhydrous guanidine Natural products NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims description 2
- GUNJVIDCYZYFGV-UHFFFAOYSA-K antimony trifluoride Chemical compound F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- IJCCOEGCVILSMZ-UHFFFAOYSA-L copper;dichlorate Chemical compound [Cu+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O IJCCOEGCVILSMZ-UHFFFAOYSA-L 0.000 claims description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims description 2
- 125000004494 ethyl ester group Chemical group 0.000 claims description 2
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 claims description 2
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 2
- JRSGPUNYCADJCW-UHFFFAOYSA-K iron(3+);trichlorate Chemical compound [Fe+3].[O-]Cl(=O)=O.[O-]Cl(=O)=O.[O-]Cl(=O)=O JRSGPUNYCADJCW-UHFFFAOYSA-K 0.000 claims description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000787 lecithin Substances 0.000 claims description 2
- 235000010445 lecithin Nutrition 0.000 claims description 2
- 229940067606 lecithin Drugs 0.000 claims description 2
- 229960001614 levamisole Drugs 0.000 claims description 2
- 239000004200 microcrystalline wax Substances 0.000 claims description 2
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 2
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 2
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 2
- 229940081974 saccharin Drugs 0.000 claims description 2
- 235000019204 saccharin Nutrition 0.000 claims description 2
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 claims description 2
- 239000001384 succinic acid Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 claims description 2
- GTQFPPIXGLYKCZ-UHFFFAOYSA-L zinc chlorate Chemical compound [Zn+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O GTQFPPIXGLYKCZ-UHFFFAOYSA-L 0.000 claims description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims 4
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims 1
- CBECDWUDYQOTSW-UHFFFAOYSA-N 2-ethylbut-3-enal Chemical compound CCC(C=C)C=O CBECDWUDYQOTSW-UHFFFAOYSA-N 0.000 claims 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- LZDLRJOUWKXNIG-UHFFFAOYSA-N carbonic acid;fluoroform Chemical compound OC(O)=O.FC(F)F LZDLRJOUWKXNIG-UHFFFAOYSA-N 0.000 claims 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 claims 1
- 125000002091 cationic group Chemical group 0.000 claims 1
- GZWONCIYSKNACB-UHFFFAOYSA-N difluoro(fluoroimino)-$l^{4}-sulfane Chemical compound FN=S(F)F GZWONCIYSKNACB-UHFFFAOYSA-N 0.000 claims 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims 1
- 239000000113 methacrylic resin Substances 0.000 claims 1
- JTHNLKXLWOXOQK-UHFFFAOYSA-N n-propyl vinyl ketone Natural products CCCC(=O)C=C JTHNLKXLWOXOQK-UHFFFAOYSA-N 0.000 claims 1
- 150000003233 pyrroles Chemical class 0.000 claims 1
- 238000007790 scraping Methods 0.000 claims 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000007613 slurry method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000005838 radical anions Chemical class 0.000 description 2
- JYELWBARXZUASV-UHFFFAOYSA-N 1-(2-methylpropanoyloxy)pentyl 2-methylpropanoate Chemical compound CCCCC(OC(=O)C(C)C)OC(=O)C(C)C JYELWBARXZUASV-UHFFFAOYSA-N 0.000 description 1
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- WRLRISOTNFYPMU-UHFFFAOYSA-N [S].CC1=CC=CC=C1 Chemical compound [S].CC1=CC=CC=C1 WRLRISOTNFYPMU-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229940005989 chlorate ion Drugs 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- H01B1/14—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
- 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
- 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
Abstract
The present invention relates to electrocondution slurry technical fields, especially a kind of low solvent volatility front electrode of solar battery formation electrocondution slurry and preparation method thereof, component includes 80%~90% silver powder, 1%~10% glass dust and 4%~15% organic carrier, contained solvent has extremely low vapour pressure in the organic carrier, and wherein organic carrier composition and preparation method is as follows：Solvent accounts for 60%~85%；Resin accounts for 5%~35%；Other auxiliary agents account for 1%~10%；Organic carrier each component is pre-mixed in a reservoir, when then stirring 12 is small in 85 DEG C of oil bath, when heat preservation 3 is small, cooling can obtain organic carrier.The problems such as slurry that the present invention is made using ionic liquid as solvent can keep preferable printing during much time using, because of the volatilization of solvent slurry will not be caused to be dried, and printing is difficult.
Description
Technical field
The present invention relates to electrocondution slurry technical field, especially a kind of low solvent volatility front electrode of solar battery is used
Electrocondution slurry and preparation method.
Background technology
In solar cell making process, the industrial method one of Ohm contact electrode is formed on its semiconductor surface
As be silk-screen printing, by electrocondution slurry coated in silicon chip surface by way of silk-screen printing, metal is allowed to by drying, sintering
Change forms electrode.
The electrocondution slurry of silk-screen printing has conductive phase, glass phase and organic carrier phase composition.Conductive phase is mainly metal
Silver powder, the conductive materials as electrode.Glass is mutually made of metal and nonmetallic oxide, and liquid is generated in sintering process
Phase burns the antireflection films such as silicon nitride and provides cohering for silicon chip and electrode.Organic carrier plays moistening, dispersion powder particle
Effect, and provide slurry good printing performance.Solvent in organic carrier play dissolving cellulose, polyamide it is cured and its
The effect of its various resin.Partial organic solvent also have simultaneously change slurry plasticity or change pulp surface activity or
Person change surface tension the effects that, these effect contribute to slurry formed with high depth than conductive electrode.Organic carrier exists
It gradually volatilizees in drying sintering process after printing from slurry, is formed on silicon substrate surface and coordinated grouping by conductive phase and glass
Into conductive electrode.
Solvent in electrocondution slurry organic carrier at present, generally using organic solvent, such as terpinol, butyl carbitol, second
Glycol, two formicester of succinic acid, pentanediol diisobutyrate, ethyl acetate, adjacent two formicester of benzene class, N-Methyl pyrrolidone, benzene two
Several compositions in the organic solvents such as alcohol phenyl ether, organic solvent should can dissolve the resinous woods such as the cellulose in organic carrier
Material, progressively vapors away in drying course again, and therefore, general slurry is made using the organic solvent echelon collocation of different boiling
With to achieve the purpose that progressively to volatilize from slurry in drying course.However, the vapour pressure of organic solvent is generally than relatively low,
In the printing process repeatedly of slurry, organic solvent is easy to evaporate from slurry.Therefore slurry can be with usage time
Increase and be dried, printing effect is caused to be deteriorated or even be difficult to print.
The content of the invention
In order to solve problem of the prior art, invention is providing a kind of low solvent volatility solar cell just
Face electrode electrocondution slurry and preparation method thereof employs the extremely low ionic liquid of vapour pressure as solvent, and ionic liquid has
The characteristic of cellulose and other resin materials is dissolved, and ionic liquid has extremely low vapour pressure, below its boiling point almost
It does not evaporate.
The technical solution adopted by the present invention to solve the technical problems is a kind of low solvent volatility solar battery front side
Electrode electrocondution slurry, it is characterized in that, it is organic that component includes 80%~90% silver powder, 1%~10% glass dust and 4%~15%
Carrier,
Contained solvent has extremely low vapour pressure, wherein organic carrier composition and preparation method in the organic carrier
It is as follows：
Solvent accounts for 60%~85%；
Resin accounts for 5%~35%；
Other auxiliary agents account for 1%~10%；
Organic carrier each component is pre-mixed in a reservoir, when then stirring 12 is small in 85 DEG C of oil bath, heat preservation 3 is small
When, cooling can obtain organic carrier.
According to another embodiment of the invention, further comprise, the solvent is by boiling point between 30 DEG C~500 DEG C
One or several kinds of ionic liquids and boiling point are formed in the mixture of 100 DEG C~400 DEG C of one or more of organic solvents.
According to another embodiment of the invention, further comprise, the solvent is terpinol, turpentine oil, carbitol, fourth
In base carbitol acetate, tributyl citrate, cyclohexanone, alcohol ester 12, dimethyphthalate, neck two fourth of phthalic acid
The middle one or several kinds of ester；
According to another embodiment of the invention, further comprise, the ionic liquid for one or more of cations with
The mixture that one or more of anion are composed.
According to another embodiment of the invention, further comprise, it is described cation include glyoxaline cation, pyridine sun from
Son, quaternary ammonium cation, quaternary phosphonium cations, triazole cation, pyrroles cation, piperidines cation, guanidine cation, morpholine sun from
One or several kinds in son, oxazolidine cation, amino acid cation, sulfonium salt cation.
According to another embodiment of the invention, further comprise, it is cloudy that the anion includes halide anion, aluminium chlorate
Ion, chloric acid gold anion, copper chlorate anion, ferric chlorate anion, zinc chlorate anion, chloric acid tin anion, tetrafluoro boron
Acid radical anion, hexafluorophosphoric acid anion, nitrate anion, nitrite-anion, sulfate anion, acetate the moon from
Son, antimony fluoride anion, double trifluoro sulfimide anion, double five fluosulfonic acid imines anion, double fluosulfonic acid imines anion,
Double fluosulfonic acid Asias carboanion, fluoroform carbonate anion, trifluoromethanesulfonic acid anion, lactic acid anion, to methylbenzene sulphur
Acid radical anion, amino acids anion, acetyl sulfimide anion, saccharin anion, sulfuric acid ester anion, succinic acid
One or more of di-isooctyl azochlorosulfonate acid anion, 4,5 Nitroimidazole anion, five nitro tetramisole anion.
According to another embodiment of the invention, further comprise, in terms of the weight of the paste compound, organic carrier
In ion liquid solvent exist with the amount of 0.2wt%~8wt%.
According to another embodiment of the invention, further comprise, the resin is ethyl cellulose, polyamide is cured, first
Base acrylic resin, polyvinyl butyral, the one or more of diethylaminoethyl base ethyl ester.
According to another embodiment of the invention, further comprise, the auxiliary agent is surfactant, plasticizer, thickening
Agent, dispersant；
The surfactant is lecithin, the one or more of Span 85；The plasticizer is two fourth of phthalic acid
Ester；The thickener is polybutyl methacrylate, ethyl cellulose, polyvinyl butyral, carboxymethyl cellulose, ethoxy
At least one of cellulose and rosin resin, the dispersant are that the dispersant is polyethylene wax, polyethylene glycol, ethylene
At least one of base bis-stearamides, glyceryl monostearate and microcrystalline wax.
A kind of preparation method of piece low solvent volatility conductive slurry for front electrode of solar battery, by silver powder,
Glass powder, organic carrier premixing are placed on three-roller and roll, with Hegman grind gage measure fineness for 3~7um when to get
To conductive slurry for front electrode of solar battery.
The invention has the advantages that the slurry that the present invention is made using ionic liquid as solvent, in much time using
Preferable printing can be kept in the process, because of the volatilization of solvent slurry will not be caused to be dried, and print the problems such as difficult.
Specific embodiment
With reference to embodiment, the present invention is described further.
Embodiment 1
According to the organic carrier component for shown in table 1, weighing corresponding weight, when then stirring 12 is small in 85 DEG C of oil bath,
Keep the temperature 3 it is small when, organic carrier is made after cooling.Weigh the silver powder of corresponding weight in table 1, glass dust and Manufactured organic
Carrier be mixed after 30 minutes, be placed on three-roller and roll 15 times, with Hegman grind gage measure fineness for 3~7um when, then return
Return mixer stirring 1 it is small when.Obtain conductive slurry for front electrode of solar battery.
1 front electrode of solar battery formation slurry of table
Embodiment 2
According to the organic carrier component for shown in table 2, weighing corresponding weight, when then stirring 12 is small in 85 DEG C of oil bath,
Keep the temperature 3 it is small when, organic carrier is made after cooling.Weigh the silver powder of corresponding weight in table 2, glass dust and Manufactured organic
Carrier be mixed after 30 minutes, be placed on three-roller and roll 15 times, with Hegman grind gage measure fineness for 3~7um when, then return
Return mixer stirring 1 it is small when.Obtain conductive slurry for front electrode of solar battery.
2 front electrode of solar battery formation slurry of table
Embodiment 3
According to the organic carrier component for shown in table 3, weighing corresponding weight, when then stirring 12 is small in 85 DEG C of oil bath,
Keep the temperature 3 it is small when, organic carrier is made after cooling.Weigh the silver powder of corresponding weight in table 3, glass dust and Manufactured organic
Carrier be mixed after 30 minutes, be placed on three-roller and roll 15 times, with Hegman grind gage measure fineness for 3~7um when, then return
Return mixer stirring 1 it is small when.Obtain conductive slurry for front electrode of solar battery.
3 front electrode of solar battery formation slurry of table
Electrocondution slurry made from Examples 1 to 3 is subjected to printing test, test result such as table 4.
4 slurry viscosity value of table is with the situation of change of printing time
| Print 2 it is small when viscosity （Pa·S） | Print 4 it is small when viscosity （Pa·S） | Print 6 it is small when viscosity （Pa·S） | Print 8 it is small when viscosity （Pa·S） | Print 10 it is small when viscosity （Pa·S） | Print 12 it is small when viscosity （Pa·S） | |
| Implement Example 1 | 256 | 257 | 263 | 263 | 265 | 265 |
| Implement Example 2 | 255 | 258 | 263 | 265 | 266 | 269 |
| Implement Example 3 | 253 | 257 | 261 | 263 | 263 | 265 |
As shown in table 4, using slurry of the present invention, the viscosity of slurry is with the increasing of printing time in printing process
Add and be increased slightly, but do not influence printing fluency, the network blocking phenomenon in printing process is less, is not required in long-time printing process
Solvent is frequently added to adjust viscosity number.
Claims (4)
1. a kind of low solvent volatility conductive slurry for front electrode of solar battery, it is characterized in that, component includes 80%~90%
Silver powder, 1%~10% glass dust and 4%~15% organic carrier,
The organic carrier composition and preparation method are as follows：
Solvent accounts for 60%~85%；
Resin accounts for 5%~35%；
Auxiliary agent accounts for 1%~10%；
Organic carrier each component is pre-mixed in a reservoir, it is cold when heat preservation 3 is small when then stirring 12 is small in 85 DEG C of oil bath
But, organic carrier can be obtained, solvent is existed by one or several kinds of ionic liquids of the boiling point between 30 DEG C~500 DEG C and boiling point
The mixture composition of 100 DEG C~400 DEG C of one or more of organic solvents, ionic liquid are one or more of cationic and a kind of
Or the mixture that several anion are composed, organic solvent for terpinol, turpentine oil, carbitol, butyl carbitol acetate,
It is a kind of or several in tributyl citrate, cyclohexanone, alcohol ester 12, repefral, dibutyl phthalate
Kind, cation include glyoxaline cation, pyridylium, quaternary ammonium cation, quaternary phosphonium cations, triazole cation, pyrroles's sun from
One in son, piperidines cation, guanidine cation, morpholine cation, oxazolidine cation, amino acid cation, sulfonium salt cation
Kind is several, and anion includes halide anion, aluminium chlorate anion, chloric acid gold anion, copper chlorate anion, ferric chlorate
Anion, zinc chlorate anion, chloric acid tin anion, tetrafluoroborate anion, hexafluorophosphoric acid anion, nitrate anion the moon from
Son, nitrite-anion, sulfate anion, acetate anion, antimony fluoride anion, double trifluoro sulfimide the moon from
Sub, double five fluosulfonic acid imines anion, double fluosulfonic acid imines anion, double fluosulfonic acid Asias carboanion, fluoroform carbonic acid the moon from
Son, trifluoromethanesulfonic acid anion, lactic acid anion, p-methyl benzenesulfonic acid root anion, amino acids anion, acetyl sulphonyl
Imines anion, saccharin anion, sulfuric acid ester anion, succinic acid di-isooctyl azochlorosulfonate acid anion, 4,5 Nitroimidazoles
Anion, five nitro tetramisole anion, in terms of the weight of the paste compound, ionic liquid in organic carrier with
The amount of 0.2wt%~8wt% exists.
2. low solvent volatility conductive slurry for front electrode of solar battery according to claim 1, it is characterized in that, institute
Resin is stated as ethyl cellulose, polyamide wax, methacrylic resin, polyvinyl butyral, diethylaminoethyl base
The one or more of ethyl ester.
3. low solvent volatility conductive slurry for front electrode of solar battery according to claim 1, it is characterized in that, institute
Auxiliary agent is stated as surfactant, plasticizer, thickener, dispersant；The surfactant for lecithin, Span 85 one kind or
It is several；The plasticizer is dibutyl phthalate；The thickener is polybutyl methacrylate, ethyl cellulose, gathers
At least one of vinyl butyral, carboxymethyl cellulose, hydroxyethyl cellulose and rosin resin, the dispersant are poly- second
At least one of alkene wax, polyethylene glycol, vinyl bis-stearamides, glyceryl monostearate and microcrystalline wax.
It is 4. a kind of according to the low solvent volatility conductive slurry for front electrode of solar battery of claim 1-3 any one of them
Preparation method, it is characterized in that, silver powder, glass powder, organic carrier premixing are placed on three-roller and rolled, with scraping
Plate fineness gauge measure fineness for 3~7um when to get to conductive slurry for front electrode of solar battery.
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| CN108746664A (en) * | 2018-09-10 | 2018-11-06 | 河南金渠银通金属材料有限公司 | A kind of high oil absorption rate photovoltaic silver powder and the preparation method and application thereof |
| CN109378109A (en) * | 2018-12-25 | 2019-02-22 | 苏州柏特瑞新材料有限公司 | A kind of solar cell size and preparation method thereof applied to filament printing |
| CN111341485B (en) * | 2020-04-13 | 2021-09-07 | 湖南省国银新材料有限公司 | Conductive silver paste for LED aluminum oxide substrate and preparation method thereof |
| CN111863309B (en) * | 2020-08-26 | 2021-10-08 | 南通天盛新能源股份有限公司 | High-tension main grid silver paste applied to N-type solar cell and preparation method thereof |
| CN112829486B (en) * | 2021-01-22 | 2023-02-28 | 中汽创智科技有限公司 | Printing slurry, bipolar plate flow field using same and processing method thereof |
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| 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 |
| CN104157328A (en) * | 2014-08-26 | 2014-11-19 | 天津顺御科技有限公司 | Silicon solar cell front face electrode silver paste and preparing method thereof |
| CN104485155A (en) * | 2014-12-30 | 2015-04-01 | 山西森达源科技有限公司 | Solar positive electrode silver paste preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104157328A (en) * | 2014-08-26 | 2014-11-19 | 天津顺御科技有限公司 | Silicon solar cell front face electrode silver paste and preparing method thereof |
| CN104485155A (en) * | 2014-12-30 | 2015-04-01 | 山西森达源科技有限公司 | Solar positive electrode silver paste preparation method |
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