CN110015851A - A kind of glass powder being used to prepare silver paste of solar cells and its application - Google Patents
A kind of glass powder being used to prepare silver paste of solar cells and its application Download PDFInfo
- Publication number
- CN110015851A CN110015851A CN201910310455.6A CN201910310455A CN110015851A CN 110015851 A CN110015851 A CN 110015851A CN 201910310455 A CN201910310455 A CN 201910310455A CN 110015851 A CN110015851 A CN 110015851A
- Authority
- CN
- China
- Prior art keywords
- glass powder
- silver paste
- solar cells
- lead
- dosage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 101
- 239000011521 glass Substances 0.000 title claims abstract description 100
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 76
- 239000004332 silver Substances 0.000 title claims abstract description 72
- 229910052714 tellurium Inorganic materials 0.000 claims abstract description 19
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 17
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 17
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 15
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 13
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000012074 organic phase Substances 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- 229910000464 lead oxide Inorganic materials 0.000 claims description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 8
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 8
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 8
- UPWOEMHINGJHOB-UHFFFAOYSA-N oxo(oxocobaltiooxy)cobalt Chemical compound O=[Co]O[Co]=O UPWOEMHINGJHOB-UHFFFAOYSA-N 0.000 claims description 8
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- -1 alcohol ester Chemical class 0.000 claims description 6
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 4
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 4
- KOPBYBDAPCDYFK-UHFFFAOYSA-N Cs2O Inorganic materials [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 229910019603 Rh2O3 Inorganic materials 0.000 claims description 4
- 229910018162 SeO2 Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 claims description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
- AKUNKIJLSDQFLS-UHFFFAOYSA-M dicesium;hydroxide Chemical compound [OH-].[Cs+].[Cs+] AKUNKIJLSDQFLS-UHFFFAOYSA-M 0.000 claims description 4
- FSCIDASGDAWVED-UHFFFAOYSA-N dimethyl hexanedioate;dimethyl pentanedioate Chemical compound COC(=O)CCCC(=O)OC.COC(=O)CCCCC(=O)OC FSCIDASGDAWVED-UHFFFAOYSA-N 0.000 claims description 4
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(III) oxide Inorganic materials O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 claims description 4
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 claims description 4
- RSEIMSPAXMNYFJ-UHFFFAOYSA-N europium(III) oxide Inorganic materials O=[Eu]O[Eu]=O RSEIMSPAXMNYFJ-UHFFFAOYSA-N 0.000 claims description 4
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 4
- QZQVBEXLDFYHSR-UHFFFAOYSA-N gallium(III) oxide Inorganic materials O=[Ga]O[Ga]=O QZQVBEXLDFYHSR-UHFFFAOYSA-N 0.000 claims description 4
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 4
- JYTUFVYWTIKZGR-UHFFFAOYSA-N holmium oxide Inorganic materials [O][Ho]O[Ho][O] JYTUFVYWTIKZGR-UHFFFAOYSA-N 0.000 claims description 4
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 4
- 229910003443 lutetium oxide Inorganic materials 0.000 claims description 4
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 4
- GNMQOUGYKPVJRR-UHFFFAOYSA-N nickel(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Ni+3].[Ni+3] GNMQOUGYKPVJRR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 claims description 4
- PZFKDUMHDHEBLD-UHFFFAOYSA-N oxo(oxonickeliooxy)nickel Chemical compound O=[Ni]O[Ni]=O PZFKDUMHDHEBLD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- 229910001953 rubidium(I) oxide Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims description 4
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium(III) oxide Inorganic materials O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 4
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 claims description 4
- 150000003505 terpenes Chemical group 0.000 claims description 4
- 235000007586 terpenes Nutrition 0.000 claims description 4
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium (III) oxide Inorganic materials [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 claims description 4
- FIXNOXLJNSSSLJ-UHFFFAOYSA-N ytterbium(III) oxide Inorganic materials O=[Yb]O[Yb]=O FIXNOXLJNSSSLJ-UHFFFAOYSA-N 0.000 claims description 4
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical group BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 claims description 3
- 238000010146 3D printing Methods 0.000 claims description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical group O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- WUOACPNHFRMFPN-SECBINFHSA-N (S)-(-)-alpha-terpineol Chemical compound CC1=CC[C@@H](C(C)(C)O)CC1 WUOACPNHFRMFPN-SECBINFHSA-N 0.000 claims description 2
- RUJPNZNXGCHGID-UHFFFAOYSA-N (Z)-beta-Terpineol Natural products CC(=C)C1CCC(C)(O)CC1 RUJPNZNXGCHGID-UHFFFAOYSA-N 0.000 claims description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- UDSFAEKRVUSQDD-UHFFFAOYSA-N Dimethyl adipate Chemical compound COC(=O)CCCCC(=O)OC UDSFAEKRVUSQDD-UHFFFAOYSA-N 0.000 claims description 2
- MUXOBHXGJLMRAB-UHFFFAOYSA-N Dimethyl succinate Chemical compound COC(=O)CCC(=O)OC MUXOBHXGJLMRAB-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- OVKDFILSBMEKLT-UHFFFAOYSA-N alpha-Terpineol Natural products CC(=C)C1(O)CCC(C)=CC1 OVKDFILSBMEKLT-UHFFFAOYSA-N 0.000 claims description 2
- 229940088601 alpha-terpineol Drugs 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 229940008099 dimethicone Drugs 0.000 claims description 2
- QYMFNZIUDRQRSA-UHFFFAOYSA-N dimethyl butanedioate;dimethyl hexanedioate;dimethyl pentanedioate Chemical compound COC(=O)CCC(=O)OC.COC(=O)CCCC(=O)OC.COC(=O)CCCCC(=O)OC QYMFNZIUDRQRSA-UHFFFAOYSA-N 0.000 claims description 2
- XTDYIOOONNVFMA-UHFFFAOYSA-N dimethyl pentanedioate Chemical compound COC(=O)CCCC(=O)OC XTDYIOOONNVFMA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 229940051250 hexylene glycol Drugs 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- QJVXKWHHAMZTBY-GCPOEHJPSA-N syringin Chemical compound COC1=CC(\C=C\CO)=CC(OC)=C1O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 QJVXKWHHAMZTBY-GCPOEHJPSA-N 0.000 claims description 2
- 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 2
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052710 silicon Inorganic materials 0.000 abstract description 12
- 239000010703 silicon Substances 0.000 abstract description 12
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 7
- 238000009766 low-temperature sintering Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 15
- 238000005245 sintering Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 239000010970 precious metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000005355 lead glass Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 235000013350 formula milk Nutrition 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
This application discloses a kind of glass powder for being used to prepare silver paste of solar cells and its applications.The glass powder of the application is included in noble metal, lead and tellurium glass powder system, adds metal oxide and nonmetal oxide；Noble metal dosage is the 8-55% of glass powder total weight, and lead dosage is 10-50wt%, and tellurium dosage is 10-50wt%, and other metal oxide dosages are 1-60wt%, and other nonmetal oxide dosages are 5-60wt%.The application takes the lead in using glass powder of the noble metal-lead-tellurium system as silver paste of solar cells, and adds the metal oxide and nonmetal oxide of specific components and content, lowers lead dosage, safer environmental protection；And glass powder softening point is low, is able to achieve silver paste of solar cells low-temperature sintering, effectively reacts with silicon nitride anti-reflection layer, a large amount of Argent grains are restored in silver-colored silicon interface, good ohmic contact is formed, electronics in N layers of silicon is made to be easier to be collected by silver grating line, improves photoelectric conversion efficiency.
Description
Technical field
This application involves solar cell material fields, more particularly to a kind of glass for being used to prepare silver paste of solar cells
Glass powder and its application.
Background technique
Solar battery plays important as a kind of environmentally protective new energy conversion equipment in current life
Energy conversion effect, can effectively convert sunlight into electric energy.The electrode of solar battery includes front electrode and back
Front electrode and the corresponding electric slurry of rear electrode are usually passed through print in the fabrication of a solar cell by face electrode
The mode of brush is printed on the two sides of battery, and the preparation of electrode is then completed by sintering.For preparing the slurry master of front electrode
If silver paste, i.e. silver paste of solar cells, mainly by silver powder, glass powder, organic phase composition.Glass powder is in electrode preparation
Main function is to be etched away the silicon nitride anti-reflection layer of battery front side by high-temperature process, enables the N-type layer of battery fine
Contacted with silver, furthermore glass powder is there are also bonding grid line and the effects of silicon wafer.
In order to achieve the effect that etch anti-reflection layer, often contain lead oxide in glass powder, leaded glass powder can be effective
The anti-reflection layer on N-type layer surface is etched, and has the function of reducing glass softening point, for solar cell properties superiority and inferiority, sintering
Energy consumption height suffers from very important effect.But at the same time, since lead oxide itself is toxic, to environment nocuousness；Therefore, such as
It is effective to reduce the use for even banning lead in glass powder in the case where where not influencing glass powder performance and use, it is current
The common pursuit of silver paste of solar cells R and D and target.
Summary of the invention
The purpose of the application is to provide a kind of glass powder being newly formulated for being used to prepare silver paste of solar cells and its application.
The application uses following technical scheme:
The one side of the application discloses a kind of glass powder for being used to prepare silver paste of solar cells, be included in noble metal,
In the glass powder system of lead and tellurium, other metal oxides and other nonmetal oxides are added；The dosage of noble metal is glass
The 8-55% of powder total weight, the dosage of lead are the 10-50% of glass powder total weight, and the dosage of tellurium is the 10- of glass powder total weight
50%, the dosage of other metal oxides is the 1-60% of glass powder total weight, and the dosage of other nonmetal oxides is glass
The 5-60% of powder total weight；Noble metal be selected from the simple substance of at least one of Ru, Pd, Ag, Re, Os, Ir, Pt and Au, oxide,
At least one of nitrate, carbonate, sulfate, phosphate and acetate；Lead is lead oxide powder；Tellurium is tellurium dioxide powder
End；Other metal oxides are selected from Na2O、Li2O、K2O、MgO、CaO、Sc2O3、TiO2、V2O5、CrO3、MnO2、Fe2O3、Fe3O4、
Co2O3、Ni2O3、NiO、CuO、ZnO、Ga2O3、Al2O3、Rb2O、SrO、Y2O3、ZrO2、Nb2O5、MoO3、Tc2O7、RuO2、Rh2O3、
PdO、CdO、In2O3、SnO2、Sb2O3、Cs2O、BaO、HfO2、Ta2O5、WO3、Bi2O3、La2O3、CeO2、Nd2O3、Pm2O3、Sm2O3、
Eu2O3、Gd2O3、Tb2O3、Dy2O3、Ho2O3、Er2O3、Tm2O3、Yb2O3And Lu2O3At least one of；Other nonmetal oxides
Selected from P2O5、SiO2、B2O3And SeO2At least one of.In the application, so-called other metal oxides refer to except noble metal and
The oxide of metal other than lead, so-called other nonmetal oxides refer to the nonmetallic oxide in addition to tellurium.
It should be noted that the application is in noble metal-lead-tellurium glass powder system, specific components and dosage are added
Metal oxide containing precious metals and nonmetal oxide substitute part lead with this, to reduce the use of 5-15% lead oxide in glass powder.
Although the application reduces the dosage of lead, still, the glass powder of the application equally has the characteristics that softening point is low, as solar energy
Battery silver paste can be effectively reacted, and at silver-colored silicon contact interface with silicon nitride anti-reflection layer in use, can be realized low-temperature sintering
Good Ohmic contact is formed, so that electronics is easy to be collected by silver grating line in N layers of silicon, to improve the photoelectric conversion effect of battery
Rate.Therefore, the glass powder of the application can be used for preparing the solar battery of low energy consumption, Environmental Safety.
The glass powder that the another side of the application discloses the application is preparing the application in silver paste of solar cells.
It should be noted that the glass powder of the application is researched and developed particular for silver paste of solar cells, it will be understood that
In addition to this, however not excluded that can be also used for other fields, such as silk-screen printing, 3D printing or electronic component encapsulation etc..
The application's discloses a kind of silver paste of solar cells of glass powder containing the application on one side again.
Preferably, the silver paste of solar cells of the application includes the glass powder of silver powder, organic phase and the application.
Preferably, in the silver paste of solar cells of the application, the weight of silver powder is the 75- of silver paste of solar cells total weight
94.5%, the weight of organic phase is the 5-15% of silver paste of solar cells total weight, and the weight of glass powder is solar battery silver
Starch the 0.5-10% of total weight.
It should be noted that the glass powder of the application can replace existing lead glass powder, dosage can refer to existing
Lead glass powder dosage, still, in order to reach better silver paste effect, in the preferred scheme of the application, to solar battery
The dosage of each component is defined in silver paste；It is appreciated that according to different use requirements or experimental design, solar battery
The dosage of each component can carry out appropriate adjustment other than the range that the application limits in silver paste, be not specifically limited herein.
Preferably, in the silver paste of solar cells of the application, organic phase include ethyl cellulose, polyamide wax, terpinol,
Phenolic resin, solvent and additive solvent are containing alcohol more than eight carbon and/or containing at least one in alcohol esters more than eight carbon
Kind；Additive is at least one of dibasic ester.
Preferably, solvent is terpenes, repefral, dibutyl phthalate, butyl carbitol, butyl card
It must at least one of alcohol ester and hexylene glycol.
Preferably, terpenes is α-terpineol or β-terpineol；Butyl carbitol ester is acetate of butyl carbitol.
Preferably, additive DBE, DBE-2, DBE-3, DBE-4, DBE-5, DBE-6, DBE 1B, dimethicone and
At least one of epoxy resin.
It should be noted that the key of the application is glass powder, can join as silver powder and organic phase and its dosage
Examine existing silver paste of solar cells.
The application's discloses the glass powder of the application or the silver paste of solar cells of the application in solar-electricity on one side again
Application in pond, silk-screen printing, 3D printing or electronic component encapsulation.
A kind of solar battery for disclosing silver paste of solar cells preparation using the application on one side again of the application is just
Face electrode.
The application's discloses a kind of solar battery on one side again, the solar battery use the application glass powder or
The silver paste of solar cells of the application or the front electrode of solar battery of the application.
The preparation method of the glass powder for disclosing the application on one side again of the application, includes the following steps,
(1) each raw material is weighed by weight, is uniformly mixed；
(2) uniformly mixed raw material is melt into bath of glass at high temperature；
(3) bath of glass is poured into deionized water and is quenched, be prepared into frit；
(4) by obtained frit ball mill grinding at partial size D90 in 5 μm of powders below, that is, obtain the glass of the application
Powder.
Preferably, step (2) specifically includes, and uniformly mixed raw material is put into crucible, covers, is then placed in crucible
In 1200 DEG C of Muffle furnace, 30 minutes are kept the temperature, mixed raw material is made to be melt into bath of glass.
The beneficial effects of the present application are as follows:
The application takes the lead in using noble metal-lead-tellurium system as the glass powder for preparing silver paste of solar cells, and wherein
The metal oxide containing precious metals and nonmetal oxide for adding specific components and dosage, substitute part lead with this, to reduce glass powder
The use of middle 5-15wt% lead oxide.Although the application reduces the dosage of lead, still, the glass powder of the application equally has soft
Change the low feature of point, as silver paste of solar cells in use, can be realized low-temperature sintering, can effectively with silicon nitride anti-reflection layer
Reaction, and good Ohmic contact is formed at silver-colored silicon contact interface, so that electronics is easy to be collected by silver grating line in N layers of silicon, from
And improve the photoelectric conversion efficiency of battery.The glass powder and silver paste of solar cells of the application, to prepare low energy consumption, Environmental Safety
Solar battery lay a good foundation.
Detailed description of the invention
Fig. 1 is the low range scanning electron microscope (SEM) photograph at interface between battery silver grating line and battery N-type layer in the embodiment of the present application；
Fig. 2 is the high magnification scanning electron microscope (SEM) photograph at interface between battery silver grating line and battery N-type layer in the embodiment of the present application；
Fig. 3 is the sintering temperature curve figure of silver paste of solar cells in the embodiment of the present application.
Specific embodiment
Aiming at the problem that containing a large amount of lead in existing lead glass powder, the application creativeness proposes a kind of new sun
Energy battery silver paste glass powder system, i.e. noble metal-lead-tellurium glass powder system, and by adding specific components and content wherein
Metal oxide and nonmetal oxide so that preparation glass powder: on the one hand, the dosage of lead can be substantially reduced；It is another
Aspect ensures that glass powder softening point is low while reducing lead dosage, can not only realize low-temperature sintering, and can be effective
It is reacted with silicon nitride anti-reflection layer, forms good Ohmic contact, so that electronics is more easier to be collected by silver grating line in N layers of silicon, from
And improve the photoelectric conversion efficiency of battery.
In the glass powder of the application, noble metal-lead-tellurium glass powder system refers to the base body being made of noble metal-lead-tellurium
System, the dosage of noble metal are the 8-55% of glass powder total weight, and the dosage of lead is the 10-50% of glass powder total weight, the use of tellurium
Amount is the 10-50% of glass powder total weight；Wherein, noble metal is selected from least one of Ru, Pd, Ag, Re, Os, Ir, Pt and Au
At least one of simple substance, oxide, nitrate, carbonate, sulfate, phosphate and acetate；Lead is lead oxide powder；Tellurium
For tellurium dioxide powder.In the glass powder of the application, other metal oxides of specific components and content refer to that dosage is glass
The Na of powder total weight 1-60%2O、Li2O、K2O、MgO、CaO、Sc2O3、TiO2、V2O5、CrO3、MnO2、Fe2O3、Fe3O4、Co2O3、
Ni2O3、NiO、CuO、ZnO、Ga2O3、Al2O3、Rb2O、SrO、Y2O3、ZrO2、Nb2O5、MoO3、Tc2O7、Rh2O3、CdO、In2O3、
SnO2、Sb2O3、Cs2O、BaO、HfO2、Ta2O5、WO3、Bi2O3、La2O3、CeO2、Nd2O3、Pm2O3、Sm2O3、Eu2O3、Gd2O3、
Tb2O3、Dy2O3、Ho2O3、Er2O3、Tm2O3、Yb2O3And Lu2O3At least one of.Specific components and content it is other nonmetallic
Oxide refers to that dosage is the P of glass powder total weight 5-60%2O5、SiO2、B2O3And SeO2At least one of.
The application is described in further detail below by specific embodiments and the drawings.Following embodiment is only to the application
It is further described, should not be construed as the limitation to the application.
Embodiment one
This example adds metal oxide and nonmetal oxide prepares glass in the glass powder system of noble metal, lead and tellurium
Glass powder.Wherein, the metal simple-substance of noble metal Ru, Pd, Ag, Re, Os, Ir, Pt or Au, lead are lead oxide powder, and tellurium is titanium dioxide
Telloy.The Detailed composition of this example glass powder is shown in Table 1.
1 glass powder formula (weight percent %) of table
" precious metal element " refers to that the dosage weight percent of corresponding precious metal simple substance, such as " Ru10 " indicate in table 1
The dosage of metal Ru is 10wt%；Remaining component is also all weight percent.
Each raw material are weighed according to the percentage of table 1, mixing is respectively prepared the mixture of 100g, is put into oxygen after mixing
Change in aluminium crucible, after capping, crucible is put into heating melting in Muffle furnace, the set temperature of Muffle furnace is 1000 DEG C, heat preservation 30
Minute.The glass metal melted is poured into deionized water, is quenched；Frit drying will be obtained after quenching, then using planetary
Ball mill pulverizer is crushed to partial size D90 at 5 μm hereinafter, obtaining the glass powder of each test.
The glass powder for weighing the preparation of table 1 respectively mixes with silver powder and organic phase, prepares silver paste of solar cells.Wherein, glass
Glass powder accounts for the 2.8% of silver paste gross weight, and silver powder accounts for the 88.2% of silver paste gross weight, and organic phase accounts for the 9% of silver paste gross weight.By institute
Silver paste of solar cells obtained is printed on the monocrystalline silicon piece for having plated silicon nitride film, the sintering of solar battery special sintering furnace,
Sintering condition is shown in Fig. 3, then carries out I-V characteristic curve test with solar simulator system, calculates solar battery conversion
Efficiency；I-V characteristic curve test method reference: Kong Fanjian, the test of solar module I-V characteristic curve, " in the 11st
State's photovoltaic conference and exhibition proceeding ", p958-965.Using the solar battery silver of 1~32# of this example test glass powder
The test result of slurry is shown in Table 2.
2 solar battery sheet transfer efficiency test result of table
| Test | Average photoelectric conversion efficiency | Test | Average photoelectric conversion efficiency | Test | Average photoelectric conversion efficiency |
| 1 | 18.66% | 12 | 16.05% | 23 | 14.26% |
| 2 | 18.31% | 13 | 17.94% | 24 | 13.95% |
| 3 | 17.12% | 14 | 17.31% | 25 | 18.12% |
| 4 | 15.95% | 15 | 16.33% | 26 | 18.22% |
| 5 | 18.32% | 16 | 14.92% | 27 | 17.79% |
| 6 | 17.81% | 17 | 17.61% | 28 | 15.94% |
| 7 | 17.55% | 18 | 16.31% | 29 | 18.67% |
| 8 | 16.37% | 19 | 16.11% | 30 | 18.31% |
| 9 | 18.36% | 20 | 13.38% | 31 | 17.27% |
| 10 | 18.01% | 21 | 18.11% | 32 | 15.51% |
| 11 | 17.72% | 22 | 17.03% |
Table 2 the results show that using this example glass powder prepare silver paste, be used for preparing solar battery, Neng Goushi
The low temperature Fast Sintering of existing solar battery, while can also ensure that solar battery incident photon-to-electron conversion efficiency with higher.
The sintered silver grating line of cell piece and N-type of the glass powder preparation of this example test 3 are used using scanning electron microscopic observation
Interface between silicon layer, as a result as depicted in figs. 1 and 2, Fig. 1 are the observation result figures under low magnification, and Fig. 2 is high times magnification
Several observation result figures.The results show that it can be seen that Ag largely restored between Ag grid line and N-type silicon after sintering
Grain, especially Fig. 2 can clearly be seen that a large amount of graininess Ag, it is seen then that glass powder Yu the silicon nitride hair of this example during the sintering process
Etching reaction has been given birth to, and has formed a large amount of conductive silver particles at silver-colored silicon interface, good Ohmic contact has been formed, significantly reduces
Silver-colored silicon contact resistance.
In addition, it is necessary to explanation, the 1~32# of test of this example is to prepare glass powder, Ke Yili using precious metal simple substance
Solution, other than precious metal simple substance, metal oxide, nitrate, carbonate, sulfate, phosphate or acetate equally may be used
To be used to prepare the glass powder of this example.Other than the metal oxide used in the table 1, other conventional use of metals oxidations
Object, such as MgO, CaO, Sc2O3、TiO2、CrO3、MnO2、Fe2O3、Fe3O4、Co2O3、Ni2O3、NiO、CuO、Ga2O3、Rb2O、
SrO、Y2O3、ZrO2、Nb2O5、MoO3、Tc2O7、RuO2、Rh2O3、PdO、CdO、In2O3、Sb2O3、Cs2O、BaO、HfO2、Ta2O5、
WO3、La2O3、CeO2、Nd2O3、Pm2O3、Sm2O3、Eu2O3、Gd2O3、Tb2O3、Dy2O3、Ho2O3、Er2O3、Tm2O3、Yb2O3、Lu2O3
Etc. the glass powder that can be equally used for this example.Other than the nonmetal oxide used in the table 1, other conventional use of non-gold
Belong to oxide, such as P2O5、SeO2It can be used for the glass powder of this example.
Embodiment two
This example carries out test using the glass powder for testing 2# in one table 1 of embodiment and prepares silver paste of solar cells, analysis silver
The consumption proportion of powder, organic phase and glass powder.Silver paste of solar cells formula is shown in Table 3.
The silver paste formula (weight percent %) of 3 solar battery different proportion of table
| Experiment | Silver powder | Organic phase | Glass powder |
| 1 | 75% | 15% | 10% |
| 2 | 85% | 10% | 5% |
| 3 | 88% | 9% | 3% |
| 4 | 90% | 8% | 2% |
| 5 | 94.5% | 5% | 0.5% |
Each component is weighed by the weight ratio of table 3, and total weight 100g after mixing, then is ground with three-roll grinder, that is, is made
The silver paste of solar cells of this example.
It is printed as solar battery likewise, being made after silver paste of solar cells according to the identical method of embodiment one, too
Positive energy battery sintering condition and I-V characteristic curve test method are the same as example 1, and test result is shown in Table 4.
The cell piece transfer efficiency of the silver paste of solar cells preparation of 4 different ratio of table
| Test | Photoelectric conversion efficiency |
| 1 | 14.55% |
| 2 | 17.31% |
| 3 | 18.92% |
| 4 | 18.37% |
| 5 | 13.36% |
Table 4 the results show that in silver paste of solar cells silver powder accounting can be silver paste of solar cells total weight 75-
94.5%, preferred values 85-90%；The accounting of organic phase can be the 5-15% of silver paste of solar cells total weight, and preferred values are
8-10%；The accounting of glass powder can be the 0.5-10%, preferred values 2-5% of silver paste of solar cells total weight.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, and it cannot be said that this Shen
Specific implementation please is only limited to these instructions.For those of ordinary skill in the art to which this application belongs, it is not taking off
Under the premise of from the application design, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the protection of the application
Range.
Claims (10)
1. a kind of glass powder for being used to prepare silver paste of solar cells, it is characterised in that: including the glass in noble metal, lead and tellurium
In powder system, metal oxide and nonmetal oxide are added；
The dosage of the noble metal is the 8-55% of glass powder total weight, and the dosage of the lead is the 10- of glass powder total weight
50%, the dosage of the tellurium is the 10-50% of glass powder total weight, and the dosage of the metal oxide is glass powder total weight
1-60%, the dosage of the nonmetal oxide are the 5-60% of glass powder total weight；
The noble metal is selected from the simple substance of at least one of Ru, Pd, Ag, Re, Os, Ir, Pt and Au, oxide, nitrate, carbon
At least one of hydrochlorate, sulfate, phosphate and acetate；The lead is lead oxide powder；The tellurium is tellurium dioxide powder；
The metal oxide is selected from Na2O、Li2O、K2O、MgO、CaO、Sc2O3、TiO2、V2O5、CrO3、MnO2、Fe2O3、Fe3O4、
Co2O3、Ni2O3、NiO、CuO、ZnO、Ga2O3、Al2O3、Rb2O、SrO、Y2O3、ZrO2、Nb2O5、MoO3、Tc2O7、Rh2O3、CdO、
In2O3、SnO2、Sb2O3、Cs2O、BaO、HfO2、Ta2O5、WO3、Bi2O3、La2O3、CeO2、Nd2O3、Pm2O3、Sm2O3、Eu2O3、
Gd2O3、Tb2O3、Dy2O3、Ho2O3、Er2O3、Tm2O3、Yb2O3And Lu2O3At least one of；
The nonmetal oxide is selected from P2O5、SiO2、B2O3And SeO2At least one of.
2. glass powder according to claim 1 is preparing the application in silver paste of solar cells.
3. a kind of silver paste of solar cells containing glass powder described in claim 1.
4. silver paste of solar cells according to claim 3, it is characterised in that: including silver powder, organic phase and claim 1
The glass powder.
5. silver paste of solar cells according to claim 4, it is characterised in that: the weight of the silver powder is solar battery
The 75-94.5% of silver paste total weight, the weight of the organic phase are the 5-15% of silver paste of solar cells total weight, the glass
The weight of powder is the 0.5-10% of silver paste of solar cells total weight.
6. silver paste of solar cells according to claim 4 or 5, it is characterised in that: the organic phase includes ethyl cellulose
Element, polyamide wax, terpinol, phenolic resin, solvent and additive；
The solvent is containing alcohol more than eight carbon and/or containing at least one of alcohol esters more than eight carbon；The additive
For at least one of dibasic ester；
Preferably, the solvent is terpenes, repefral, dibutyl phthalate, butyl carbitol, butyl card
It must at least one of alcohol ester and hexylene glycol；
Preferably, the terpenes is α-terpineol or β-terpineol；The butyl carbitol ester is acetate of butyl carbitol；
Preferably, the additive is DBE, DBE-2, DBE-3, DBE-4, DBE-5, DBE-6, DBE1B, dimethicone and ring
At least one of oxygen resin.
7. glass powder according to claim 1 or the described in any item silver paste of solar cells of claim 3-6 are in the sun
Application in energy battery, silk-screen printing, 3D printing or electronic component encapsulation.
8. a kind of front electrode of solar battery using the described in any item silver paste of solar cells preparations of claim 3-6.
9. a kind of solar battery, it is characterised in that: the solar battery uses glass powder described in claim 1 or power
Benefit requires the described in any item silver paste of solar cells of 3-6 or front electrode of solar battery according to any one of claims 8.
10. the preparation method of glass powder according to claim 1, it is characterised in that: include the following steps,
(1) each raw material is weighed by weight, is uniformly mixed；
(2) uniformly mixed raw material is melt into bath of glass at high temperature；
(3) bath of glass is poured into deionized water and is quenched, be prepared into frit；
(4) by obtained frit ball mill grinding at partial size D90 in 5 μm of powders below, that is, obtain the glass powder；
Preferably, step (2) specifically includes, and uniformly mixed raw material is put into crucible, covers, crucible is then placed in 1000
DEG C Muffle furnace in, keep the temperature 30 minutes, so that mixed raw material is melt into bath of glass.
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| CN114409248B (en) * | 2022-01-06 | 2023-04-07 | 江苏日御光伏新材料科技有限公司 | Low-heat-loss tellurium-lithium-silicon-zirconium system glass material, and conductive paste and application thereof |
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