WO2000035025A1 - Revetement pour cellule solaire film d'etancheite et cellule solaire - Google Patents
Revetement pour cellule solaire film d'etancheite et cellule solaire Download PDFInfo
- Publication number
- WO2000035025A1 WO2000035025A1 PCT/JP1999/006725 JP9906725W WO0035025A1 WO 2000035025 A1 WO2000035025 A1 WO 2000035025A1 JP 9906725 W JP9906725 W JP 9906725W WO 0035025 A1 WO0035025 A1 WO 0035025A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- solar cell
- transparent
- cover material
- moisture
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 158
- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 65
- 239000000853 adhesive Substances 0.000 claims abstract description 50
- 230000001070 adhesive effect Effects 0.000 claims abstract description 50
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229910052809 inorganic oxide Inorganic materials 0.000 claims abstract description 25
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 22
- 238000010030 laminating Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 11
- 230000006750 UV protection Effects 0.000 claims abstract description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract 4
- 230000004224 protection Effects 0.000 claims abstract 4
- 230000001681 protective effect Effects 0.000 claims description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- -1 polyethylene terephthalate Polymers 0.000 claims description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 239000002250 absorbent Substances 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 9
- 239000011342 resin composition Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 5
- 150000001451 organic peroxides Chemical group 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 5
- 229920001038 ethylene copolymer Polymers 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 3
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 241000282821 Hippopotamus Species 0.000 claims 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims 1
- 239000011112 polyethylene naphthalate Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract 12
- 230000010354 integration Effects 0.000 abstract 4
- 239000013039 cover film Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 229920002799 BoPET Polymers 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 239000012965 benzophenone Substances 0.000 description 5
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 4
- 150000008366 benzophenones Chemical class 0.000 description 4
- 239000012964 benzotriazole Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 150000001565 benzotriazoles Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 description 2
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical compound CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- DBOSBRHMHBENLP-UHFFFAOYSA-N 4-tert-Butylphenyl Salicylate Chemical compound C1=CC(C(C)(C)C)=CC=C1OC(=O)C1=CC=CC=C1O DBOSBRHMHBENLP-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- UMONYKSKMNJCEW-UHFFFAOYSA-N OC1C(C(=O)C2=CC=CC=C2)(C=C(C=C1)S(=O)(=O)O)OC Chemical compound OC1C(C(=O)C2=CC=CC=C2)(C=C(C=C1)S(=O)(=O)O)OC UMONYKSKMNJCEW-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 2
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 description 2
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 description 1
- CDMCCEDQTPRWNI-UHFFFAOYSA-N (4-tert-butylphenyl) hydrogen sulfate Chemical compound CC(C)(C)C1=CC=C(OS(O)(=O)=O)C=C1 CDMCCEDQTPRWNI-UHFFFAOYSA-N 0.000 description 1
- NALFRYPTRXKZPN-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane Chemical compound CC1CC(C)(C)CC(OOC(C)(C)C)(OOC(C)(C)C)C1 NALFRYPTRXKZPN-UHFFFAOYSA-N 0.000 description 1
- HSLFISVKRDQEBY-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclohexane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCC1 HSLFISVKRDQEBY-UHFFFAOYSA-N 0.000 description 1
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- FJIKHMCNQRGNFE-UHFFFAOYSA-N 2,2,4-trimethylheptan-4-ylbenzene Chemical compound C(C)(C)(C)CC(C)(CCC)C1=CC=CC=C1 FJIKHMCNQRGNFE-UHFFFAOYSA-N 0.000 description 1
- PWMYBNYORINWQV-UHFFFAOYSA-N 2,2-dimethyloct-3-ene Chemical compound CCCCC=CC(C)(C)C PWMYBNYORINWQV-UHFFFAOYSA-N 0.000 description 1
- QWQNFXDYOCUEER-UHFFFAOYSA-N 2,3-ditert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1C(C)(C)C QWQNFXDYOCUEER-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- WXRQLBCBMKPTKI-UHFFFAOYSA-N 3-benzoyl-4-hydroxy-5-methoxybenzenesulfonic acid Chemical compound COC1=CC(S(O)(=O)=O)=CC(C(=O)C=2C=CC=CC=2)=C1O WXRQLBCBMKPTKI-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- PNLBOAKZPLWGCB-UHFFFAOYSA-N C(C)(C)(C)C=COC(C)(CC)OC=CC(C)(C)C Chemical compound C(C)(C)(C)C=COC(C)(CC)OC=CC(C)(C)C PNLBOAKZPLWGCB-UHFFFAOYSA-N 0.000 description 1
- WAXNQBOTEAUXDE-UHFFFAOYSA-N CCCCCCOC=CC(C)(C)C Chemical compound CCCCCCOC=CC(C)(C)C WAXNQBOTEAUXDE-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- NOZAQBYNLKNDRT-UHFFFAOYSA-N [diacetyloxy(ethenyl)silyl] acetate Chemical compound CC(=O)O[Si](OC(C)=O)(OC(C)=O)C=C NOZAQBYNLKNDRT-UHFFFAOYSA-N 0.000 description 1
- ACOGMWBDRJJKNB-UHFFFAOYSA-N acetic acid;ethene Chemical compound C=C.CC(O)=O ACOGMWBDRJJKNB-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- 229960003328 benzoyl peroxide Drugs 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- PMCSZAHJFAGFJW-UHFFFAOYSA-N chloromethoxy-(3-chloropropyl)-dimethoxysilane Chemical compound ClCO[Si](OC)(OC)CCCCl PMCSZAHJFAGFJW-UHFFFAOYSA-N 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical class CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- QRMPKOFEUHIBNM-UHFFFAOYSA-N p-dimethylcyclohexane Natural products CC1CCC(C)CC1 QRMPKOFEUHIBNM-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 239000005050 vinyl trichlorosilane Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B32—LAYERED PRODUCTS
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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- H—ELECTRICITY
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- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2327/00—Polyvinylhalogenides
- B32B2327/12—Polyvinylhalogenides containing fluorine
- B32B2327/18—PTFE, i.e. polytetrafluoroethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2369/00—Polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/12—Photovoltaic modules
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- 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
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31616—Next to polyester [e.g., alkyd]
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31645—Next to addition polymer from unsaturated monomers
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Definitions
- the present invention relates to a cover material used as a transparent protective member of a solar battery cell, a sealing film using the cover material, and a solar cell, and more particularly to a transparent film having both moisture resistance and light resistance.
- the solar cell cover material, the solar cell cover material / sealing film that is effective in reducing the weight, impact resistance and durability of the solar cell, and the power bar material for the solar cell are transparent on the front side and the Z or rear side.
- the present invention relates to a lightweight, high impact resistance, high durability solar cell used as a protective member. Background art
- a solar cell generally has an ethylene monoacetate vinyl copolymer (between a glass substrate 1 as a front-side transparent protective member on the light-receiving side and a back-side protective member (back cover 1)).
- EVA ethylene monoacetate vinyl copolymer
- the solar cell that is, the power generating element 4 made of silicon or the like is sealed by the sealing films of the films 3A and 3B.
- a glass substrate 1, an EVA film 3A for a sealing film, a silicon power generating element 4, an EVA film 3B for a sealing film, and a back cover 2 are laminated in this order, and the EVA is heated and melted. It is manufactured by bonding and integrating by crosslinking and curing.
- a transparent protective member on the front side of a solar cell is required to be excellent in durability against ultraviolet rays at first.
- glass sheets have excellent light resistance and moisture resistance, but have the disadvantage that they are heavy, are easily damaged by impact, and are easily broken.
- a transparent resin film If it is a transparent resin film, it is light and does not have the problem of damage due to impact. No resin film with good light and moisture resistance has been provided. That is, for example, a fluororesin film such as 2-ethylene-4-fluorinated ethylene copolymer (ETFE) is known as a transparent resin film having excellent light resistance. However, since this film has moisture permeability, It cannot be used as a transparent protective member on the front side of a solar cell. Disclosure of the invention
- An object of the present invention is a cover material used as a transparent protective member of a solar cell, which is made of a transparent film having both moisture resistance and light resistance, and which is lighter, has improved shock resistance and durability of the solar cell.
- a solar cell cover material, a solar cell cover material dual-purpose sealing film, and a solar cell cover material as a transparent protective member on the front side and / or the rear side which is effective for improving the lightness, high impact resistance, high It is to provide a durable solar cell.
- the solar cell cover material according to the first aspect of the present invention is a cover material used as a transparent protective member of a solar cell, comprising a transparent high moisture-proof film and a transparent high light-resistant film excellent in ultraviolet light resistance. Are laminated and integrated.
- a solar cell power that is formed by laminating a transparent and highly moisture-proof film and a transparent and highly light-resistant film can sufficiently satisfy the moisture resistance and light resistance required for a transparent protective member of a solar cell. .
- a cover material for a solar cell according to a second aspect of the present invention is a cover material used as a transparent protective member of a cell for a solar cell, comprising: a transparent high light-resistant film and a transparent high moisture-proof film; Characterized by being laminated and integrated with an adhesive containing
- the moisture resistance required for the transparent protective member of the solar cell is ensured by the transparent high moisture proof film, and the light resistance is ensured by the transparent high light resistance film and the ultraviolet absorber in the adhesive. be able to.
- a cover material for a solar cell according to a third aspect of the present invention is a cover material used as a transparent protective member of a cell for a solar cell, comprising: a transparent high light-resistant film and a transparent high moisture-proof film; It is characterized by being laminated and integrated with an EVA resin adhesive containing a crosslinking agent.
- the moisture resistance required for the transparent protective member of the solar cell is provided by a transparent high moisture-proof film, and the light resistance is provided by the transparent high light-resistant film and the ultraviolet absorber in the EVA resin adhesive. Can be secured.
- this EVA resin Adhesives themselves have high moisture-proof properties, and EVA resin-based adhesives containing cross-linking agents are also excellent in weather resistance, which is effective for improving the properties of cover materials.
- a cross-linking agent to be added to the EVA resin-based adhesive an organic peroxide can be used as a cross-linking agent to be added to the EVA resin-based adhesive.
- the cover material for a solar cell according to the fourth aspect of the present invention is a cover material used as a transparent protective member of a cell for a solar cell, wherein a surface of a transparent substrate film containing an ultraviolet absorber is coated with an inorganic oxide. It is characterized by being provided with a high light-resistant high-moisture-proof transparent film formed by coating an object.
- the moisture resistance required for the transparent protective member of the solar cell is obtained by an inorganic oxide coating film, and the light resistance is obtained by an ultraviolet absorber incorporated in the transparent base film. Can be secured.
- the solar cell cover material / sealing film of the present invention is a sealing film that also serves as a transparent protective member of a solar cell, and is formed by laminating and integrating the above-described solar cell cover material and an EVA film. It is.
- the solar cell according to the present invention is a solar cell in which a solar cell is sealed between a front-side protective member and a back-side protective member, wherein the solar cell according to the present invention is used as the front-side and Z- or back-side protective member.
- a utility bar material is used.
- FIG. 1 is a sectional view showing an embodiment of a cover material for a solar cell according to a first embodiment of the present invention.
- FIG. 2 is a sectional view showing an embodiment of the transparent high-moisture-proof film according to the first embodiment.
- FIG. 3 is a cross-sectional view showing another embodiment of the transparent high-moisture-proof film according to the first embodiment.
- FIG. 4 is a cross-sectional view showing an embodiment of the sealing film of the present invention using the solar cell cover material shown in FIG.
- FIG. 5 is a sectional view showing an embodiment of a solar cell of the present invention using the solar cell cover material shown in FIG.
- FIG. 6 is a sectional view showing an embodiment of a solar cell cover material according to the second aspect of the present invention.
- FIG. 7 shows an embodiment of the sealing film of the present invention using the solar cell cover material shown in FIG. FIG.
- FIG. 8 is a sectional view showing an embodiment of a solar cell of the present invention using the solar cell cover material shown in FIG.
- FIG. 9 is a cross-sectional view illustrating an embodiment of a solar cell cover material according to the third aspect of the present invention.
- FIG. 10 is a sectional view showing an embodiment of the sealing film of the present invention using the solar cell cover material shown in FIG.
- FIG. 11 is a cross-sectional view showing an embodiment of the solar cell of the present invention using the solar cell cover material shown in FIG.
- FIG. 12 is a cross-sectional view showing an embodiment of a cover material for a solar cell according to a fourth embodiment of the present invention.
- FIG. 13 is a cross-sectional view showing another embodiment of the solar cell cover material according to the fourth embodiment of the present invention.
- FIG. 14 is a cross-sectional view showing another embodiment of the solar cell cover material according to the fourth embodiment of the present invention.
- FIG. 15 is a cross-sectional view showing an embodiment of a sealing film for a solar cell cover and also using the solar cell cover material shown in FIG. 13 according to the present invention.
- FIG. 16 is a cross-sectional view showing an embodiment of the solar cell of the present invention using the solar cell cover material shown in FIG.
- FIG. 17 is a cross-sectional view showing a conventional solar cell.
- the solar cell cover material of the present invention is used as a front side transparent protective member, but the solar cell cover material of the present invention can also be used as a back side transparent protective member. Further, it can be used for both the front side transparent protective member and the back side transparent protective member.
- FIG. 1 is a cross-sectional view showing an embodiment of a cover material for a solar cell according to a first embodiment of the present invention.
- FIGS. 2 and 3 are cross-sectional views showing an embodiment of a transparent high-moisture-proof film according to the present invention. 4 is the figure
- FIG. 5 is a cross-sectional view showing an embodiment of the solar cell cover material / sealing film of the present invention using the solar cell cover material of FIG. 1, and FIG. 5 is a solar cell of the present invention using the solar cell cover material of FIG.
- FIG. 2 is a cross-sectional view illustrating an embodiment of a battery.
- the cover material 11 for a solar cell shown in FIG. 1 is obtained by laminating a transparent and moisture-proof film 12 and a transparent and light-resistant film 13 via an adhesive sheet 14 and bonding them together.
- a transparent base film 12A such as a polyethylene terephthalate (PET) film is made of silica by a CVD (chemical vapor deposition) or PVD (reactive vapor deposition) method. It is preferable to form a moisture-proof film 12B made of a coating film of an inorganic oxide such as alumina. That is, as a moisture-proof film, a film in which a metal film such as aluminum is formed on a base film is also known.However, in the case of a metal such as aluminum, when applied to a solar cell, current may leak. As the moisture-proof film, an inorganic oxide coating film is preferable.
- the moisture-proof film 12B made of an inorganic oxide such as silica or alumina formed on the surface of the base film 12A is easily peeled off during handling.
- a moisture-proof film 12B made of an inorganic oxide such as silica or alumina is formed on the surface of the base film 12A such as the PET film described above.
- Two films were formed, and they were bonded together with an adhesive sheet 12C with the moisture-proof films 12B and 12B facing inside, so that the moisture-proof film 12B was not exposed on the surface.
- the adhesive sheet 12C the same adhesive sheet 14 used for bonding the transparent high-moisture-proof film 12 and the transparent high-light-resistant film 13 described later can be used. Adhesion treatment may be performed.
- a PET film having a thickness of 6 to 250 ⁇ m is suitable for the base film 12 A, and a moisture-proof film 12 B Is preferably formed to a thickness of about 5 ⁇ m or less. Further, the thickness of the adhesive sheet 12C is preferably about 5 to 50 zm.
- Examples of the transparent light-resistant film 13 include a fluororesin film excellent in ultraviolet resistance and a resin film into which an ultraviolet absorbent is kneaded.
- the fluororesin films include polytetrafluoroethylene (PTFE), 4-fluoroethylene-perchloroalkoxy copolymer (PFA), and 4-fluoroethylene-16-propylene fluoride copolymer.
- PTFE polytetrafluoroethylene
- PFA 4-fluoroethylene-perchloroalkoxy copolymer
- FEP fluoroethylene-16-propylene fluoride copolymer
- Coalescence (FEP), 2-Ethylene 4-fluoride Examples include ethylene copolymer (ETFE), poly (3-chlorofluoroethylene) (PCTFE), polyvinylidene fluoride (PVDF), and polyvinyl fluoride (PVF).
- Acrylic, polycarbonate, PET, polyethylene naphtholate (PEN) films and the like can be cited as the resin film into which the ultraviolet absorber is kneaded, and the 2-hydroxy-14-octane is used as the ultraviolet absorber.
- Benzophenones such as xylbenzophenone and 2-hydroxy-1-methoxy-5-sulfobenzophenone; benzotriazoles such as 2- (2,1-hydroxy-5-methylphenyl) benzotriazole; phenylsulcylate; Hindered amine-based ultraviolet absorbers such as p-t-butylphenylsulfuric acid and the like can be mentioned. In general, about 1 to 20% by weight is added to the base resin.
- the thickness of such a transparent light-resistant film 13 is preferably about 12 to 200 ⁇ m.
- the cover material 11 for a solar cell of the present invention is heated and heated under the bonding conditions of the bonding sheet 14 with the bonding sheet 14 interposed between the above-mentioned transparent and moisture-proof film 12 and the transparent and light-resistant film 13. It can be easily manufactured by bonding and integrating by pressing.
- the adhesive sheet 14 used here is preferably an EVA film described later, which is generally used in the manufacture of solar cells, and preferably has a thickness of about 5 to 50 ⁇ m.
- the transparent and light-resistant film 13 is disposed on the front side and the transparent and highly moisture-proof film 12 is disposed on the inner side.
- sealing can be performed using the cover material of the present invention instead of the conventional solar cell glass plate shown in FIG. At that time, it is preferable to use the cover material of the present invention by previously laminating and integrating it with the sealing EVA film.
- the encapsulating film 15 for a cover material for a solar cell of the present invention is a cover material 11 of the present invention obtained by bonding a transparent high moisture-proof film 12 and a transparent high light-resistant film 13. And the EVA film 16 are laminated and integrated.
- the encapsulant film 15 also used as a cover material for a solar cell is a solar cell of the present invention in which the transparent high moisture-proof film 12 and the transparent high light-resistant film 13 are bonded in advance. Pond birch materials 11 can be easily manufactured by laminating and integrating them. In this case, a suitable lamination temperature is about 75 to 90 ° C.
- the thickness of the EVA film 16 is preferably about 0.1 to 1 mm.
- the solar cell 10 of the present invention uses the solar cell cover material / sealing film 15 to form a solar cell such as a back cover ⁇ 7, an EVA film 18 and a silicon power generation element 19 as shown in FIG.
- the laminated body of the cell for use and the sealing film 15 also used as a cover material for a solar cell is subjected to a vacuum lamination overnight at a temperature of 120 to 150 ° C and a deaeration time of 2 to 15 according to a conventional method. It can be easily manufactured by pressurizing with heat and pressure for 0.5 min., Press pressure 0.5 to latm, and press time 8 to 45 minutes.
- FIG. 6 is a cross-sectional view showing an embodiment of a solar cell cover material according to the second embodiment of the present invention.
- FIG. 7 is a solar cell cover material of the present invention using the solar cell cover material of FIG.
- FIG. 8 is a cross-sectional view showing an embodiment of a dual-purpose sealing film.
- FIG. 8 is a cross-sectional view showing an embodiment of a solar cell of the present invention using the solar cell cover material of FIG.
- the solar cell cover material 21 shown in FIG. 6 is made of an adhesive sheet comprising a transparent and highly moisture-proof film 22 and a transparent and highly light-resistant film 23 and an ultraviolet absorbent (hereinafter referred to as an “ultraviolet absorbing adhesive sheet”). It is laminated through 24 and bonded and integrated.
- a transparent base film 12 A such as a PET film is subjected to CVD (chemical vapor deposition), PVD (reaction A moisture-proof film 12B composed of a coating film of an inorganic oxide such as silica or alumina formed by a vapor deposition method, or the surface of a base film 12A such as a PET film as shown in FIG.
- CVD chemical vapor deposition
- PVD reaction A moisture-proof film 12B composed of a coating film of an inorganic oxide such as silica or alumina formed by a vapor deposition method, or the surface of a base film 12A such as a PET film as shown in FIG.
- the adhesive sheet 12 C the same sheet as the UV-absorbing adhesive sheet 24 used for bonding the transparent high moisture-proof film 22 and the transparent high light-resistant film 23 described below can be used (however, The ultraviolet absorber may not be blended, but it is desirable to blend it.) It is only necessary to perform the bonding treatment under the bonding conditions.
- the transparent high light-resistant film 23 the fluororesin film excellent in ultraviolet resistance exemplified in the first embodiment described above or the resin film kneaded with an ultraviolet absorbent can be used.
- the ultraviolet absorbing adhesive sheet 24 a film formed by blending an ultraviolet absorbing agent with various adhesive resins such as epoxy, acrylic, urethane, and ester can be used.
- the ultraviolet absorber include benzophenones such as 2-hydroxy-14-octoxybenzophenone and 2-hydroxy-1-methoxy-5-sulfobenzophenone; and 2- (2,1-hydroxy-15-methylphenyl).
- Benzotriazoles such as benzotriazole; hindered amine ultraviolet absorbers such as phenyl salicylate and p-t-butylphenyl salicylate; and usually 1 to 50 with respect to the base resin. It is blended in an amount of about% by weight.
- the thickness of such an ultraviolet-absorbing adhesive sheet 24 is preferably about 5 to 50 m.
- the solar cell cover material 21 of the present invention is obtained by interposing an ultraviolet-absorbing adhesive sheet 24 between the above-mentioned transparent high-moisture-proof film 22 and the transparent high-light-resistant film 23, thereby forming the ultraviolet-absorbing adhesive sheet 24. It can be easily manufactured by bonding and integrating under heat and pressure under the above bonding conditions.
- the transparent light-resistant film 23 is disposed on the front side and the transparent high moisture-proof film 22 is disposed on the inner side.
- sealing can be performed using the cover material of the present invention instead of the conventional solar cell glass plate shown in FIG. At that time, it is preferable to use the cover material of the present invention by previously laminating and integrating it with the EVA film for sealing.
- the encapsulating film 25 which is a cover material for a solar cell of the present invention, is formed by bonding a transparent high moisture proof film 22 and a transparent high light fast film 23 with an adhesive containing an ultraviolet absorber.
- the cover material 21 of the present invention and the EVA film 26 are laminated and integrated.
- the solar cell cover material / sealing film 25 was used in the production of the EVA film 26 in advance to cover the solar cell cover of the present invention in which the transparent high moisture proof film 22 and the transparent high light resistance film 23 were bonded. It can be easily manufactured by laminating and integrating the materials 21. In this case, a suitable lamination temperature is about 75 to 90 ° C. It is preferable that the thickness of the EVA film 26 is about 0.1 to 1 mm.
- the solar cell 20 of the present invention uses the solar cell cover material / sealing film 25 to form a solar cell such as a battery cover 17, an EVA film 18, a silicon power generation element 19, and the like.
- the laminated body of the battery cover material and sealing film 25 is vacuum-laminated at 120-150 ° C overnight, deaeration time 2-15 minutes, and press pressure 0.5-l atm according to the usual method. It can be easily manufactured by press-bonding with heat and pressure in a press time of 8 to 45 minutes.
- FIG. 9 is a cross-sectional view showing an embodiment of a solar cell cover material according to a third embodiment of the present invention.
- FIG. 10 is a solar cell cover material of the present invention using the solar cell cover material of FIG.
- FIG. 11 is a cross-sectional view showing an embodiment of a dual-purpose sealing film.
- FIG. 11 is a cross-sectional view showing an embodiment of a solar cell of the present invention using the solar cell cover material of FIG.
- the solar cell cover material 31 shown in FIG. 9 is a sheet made of an EVA resin-based adhesive containing a transparent and highly moisture-proof film 32 and a transparent and highly light-resistant film 33 together with an ultraviolet absorbent and a cross-linking agent (hereinafter referred to as an ultraviolet absorbent EVA adhesive). This is called “sheet”.) It is laminated via 34 and bonded and integrated.
- a transparent substrate film 12A such as a PET film is subjected to CVD (chemical vapor deposition), PVD (reaction A moisture-proof film 12B made of a coating film of an inorganic oxide such as silica or alumina by a vapor deposition method, or a surface of a base film 12A such as a PET film as shown in FIG.
- CVD chemical vapor deposition
- PVD reaction A moisture-proof film 12B made of a coating film of an inorganic oxide such as silica or alumina by a vapor deposition method, or a surface of a base film 12A such as a PET film as shown in FIG.
- the adhesive sheet 12C the same one as the UV absorbing EVA adhesive sheet 34 used for bonding the transparent high moisture-proof film 32 and the transparent high light-resistant film 33 described later can be used (however, The ultraviolet absorber may not be blended.), And the bonding treatment may be performed under the bonding conditions.
- the ultraviolet light resistance exemplified in the first embodiment described above.
- a fluororesin film having excellent properties or a resin film into which an ultraviolet absorber is kneaded can be used.
- the UV-absorbing EVA adhesive sheet 34 may be a film obtained by forming a film of an EVA resin composition in which an EVA resin is mixed with an ultraviolet absorber, a crosslinking agent, and other additives as necessary.
- the EVA resin composition suitable as a film forming material for the ultraviolet absorbing EVA adhesive sheet 34 according to the present invention is as described later.
- the EVA resin composition for forming the UV-absorbing EVA adhesive sheet 34 is mixed with an UV-absorbing agent to impart light resistance to the UV-absorbing EVA adhesive sheet 4.
- Benzophenones such as, 2-hydroxy-14-octoxybenzophenone and 2-hydroxy-1-methoxy-15-sulfobenzophenone; 2- (2,1-hydroxy-15-methylphenyl) benzoto Benzotriazoles such as lyazole; hindertomine-based ultraviolet absorbers such as phenylsarcylate and p-t-butylphenylsarcylate; usually 1 to 100 parts by weight of EVA resin. About 50 parts by weight are blended.
- the thickness of the UV absorbing EVA adhesive sheet 34 made of such an EVA resin composition is preferably about 5 to 50 m.
- the solar cell cover material 31 of the present invention is obtained by interposing an ultraviolet absorbing EVA adhesive sheet 34 between the above-mentioned transparent and highly moisture-proof film 32 and the transparent and highly light-resistant film 33 to form the ultraviolet ray absorbing EVA adhesive sheet 34. It can be easily manufactured by bonding and integrating under heat and pressure under the bonding conditions.
- the transparent light-resistant film 33 is disposed on the front side and the transparent high moisture-proof film 32 is disposed on the inner side.
- sealing can be performed using the cover material of the present invention instead of the conventional solar cell glass plate shown in FIG. At this time, it is preferable to use the cover material of the present invention by previously laminating and integrating it with the sealing EVA film.
- the solar cell cover material / sealing film 35 of the present invention is obtained by blending a transparent high-moisture-proof film 32 and a transparent high-light-resistant film 33 with an ultraviolet absorber and a crosslinking agent: EVA resin-based adhesive
- the cover material 31 of the present invention, which is adhered with, and the EVA film 36 are laminated and integrated.
- the solar cell cover material / sealing film 35 was used for the solar cell cover material of the present invention in which the transparent high moisture-proof film 32 and the transparent high light resistance film 33 were previously bonded. It can be easily manufactured by laminating and integrating 31. In this case, a suitable lamination temperature is about 75 to 90 ° C.
- the solar cell 30 of the present invention uses the sealing film 35 also serving as a cover material for a solar cell to form a knock cover 17, an EVA film 18, a silicon power generation element 19, and the like.
- the laminated body of the solar cell and the sealing film 35 also serving as a cover material for the solar cell is subjected to a vacuum laminating process at a temperature of 120-: I 50 ° C, degassing time 2- in accordance with a conventional method. It can be easily manufactured by press-bonding with heat and pressure for 15 minutes, press pressure 0.5 to 1 atin, and press time 8 to 45 minutes.
- FIGS. 12 to 14 are cross-sectional views showing an embodiment of a solar cell cover material according to a fourth embodiment of the present invention.
- FIG. 15 is a solar cell of the present invention using this solar cell cover material.
- FIG. 16 is a cross-sectional view showing an embodiment of a solar cell according to the present invention using the cover material for a solar cell.
- the solar cell cover material 41 shown in FIG. 12 is formed by forming a moisture-proof film made of an inorganic oxide coating film 43 on the surface of a transparent substrate film 42 containing an ultraviolet absorber. It is made of a light-resistant, highly moisture-proof transparent film.
- the base resin of the transparent base film 42 acrylic, polycarbonate, PET, PEN and the like, preferably PET are mentioned, and as the ultraviolet absorbent to be mixed with this base resin, 2-hydroxy-1- Benzophenones such as 2-hydroxybenzophenone, 2-hydroxy-methoxy-5-sulfobenzophenone; benzotriazols such as 2- (2,1-hydroxy-5-methylphenyl) benzotriazole; Hindamine-based ultraviolet absorbers such as lusarcylate and p-t-butylphenylsulcylate can be mentioned. Usually, about 1 to 20% by weight is added to the base resin.
- the thickness of such a transparent substrate film 42 is preferably about 12 to 200 ⁇ m.
- Examples of the inorganic oxide forming the moisture-proof film include silica and alumina.
- Such an inorganic oxide coating film can be formed by CVD (chemical vapor deposition), PVD (reactive vapor deposition), or the like, and preferably has a thickness of about 5 to 50 ⁇ m. .
- the coating film 43 formed of an inorganic oxide such as silica or alumina formed on the surface of the transparent base film 42 is easily peeled off during handling. For this reason, as shown in FIG. 13, an adhesive sheet 44 is provided on the transparent base film 42 on which the inorganic oxide coating film 43 is formed, on the coating film 43 side, as shown in FIG. A cover material 41 made of a laminated film to which a transparent protective film 45 is bonded, or a coating film 43 made of an inorganic oxide such as silica or alumina is formed on the surface of a transparent base film 42 such as the PET film described above.
- the coating films 43 and 43 were bonded together with an adhesive sheet 44 with the 43 side facing inward to use a cover material 41B that prevented the coating film 43 from being exposed on the surface.
- an adhesive sheet 44 an EVA film described later, which is generally used for manufacturing a solar cell, is preferable, and an adhesive treatment may be performed under the adhesive conditions.
- the transparent protective film 45 an acrylic, polycarbonate, PET, PEN film or the like, preferably a PET film can be used, and this transparent protective film 45 may also contain an ultraviolet absorber.
- the thickness of the transparent protective film 45 is preferably about 6 to 200 / m, and the thickness of the adhesive sheet 44 is preferably about 5 to 50 m.
- the cover material of the present invention is not a laminated type as shown in FIGS. 13 and 14, but when the coating film 43 is exposed, the transparent base film 42 is on the front side. Further, as shown in FIG. 13, when the transparent protective films 45 are laminated, it is preferable that the transparent protective films 45 are arranged on the front surface side.
- sealing can be performed using the cover material of the present invention instead of the conventional solar cell glass plate shown in FIG. At this time, it is preferable to use the cover material of the present invention by previously laminating and integrating it with the sealing EVA film.
- the solar cell cover material / sealing film 46 of the present invention is a power bar material 41 A of the present invention (the cover material 41 and the cover material 41 B may be used).
- EVA film 47 are laminated and integrated.
- the solar cell cover material / sealing film 46 can be easily manufactured by laminating and integrating the solar cell cover material 41 A of the present invention in manufacturing the EVA film 47.
- a suitable lamination temperature in this case is about 75 to 90 ° C.
- the thickness of the EVA film 47 is preferably about 0.1 to 1 mm.
- the solar cell 40 of the present invention uses the solar cell cover material / sealing film 46 to form a solar cell such as a back cover 17, an EVA film 18, a silicon power generation element 19, and the like.
- the laminated body of the solar cell cover material / encapsulating film 46 is vacuum-laminated overnight at a temperature of 120 to 150 ° C, a deaeration time of 2 to 15 minutes, and a pressing pressure of 0.5.
- ⁇ La tm can be easily manufactured by pressurizing under pressure with heating time of 8 to 45 minutes.
- the EVA resin composition according to the present invention has a bridge structure by blending a cross-linking agent to improve weather resistance.
- the cross-linking agent generates radicals at 100 ° C. or higher.
- Organic peroxides are used, and those having a decomposition temperature of 70 ° C. or more with a half-life of 10 hours are particularly preferable in consideration of the stability during compounding.
- Such organic peroxides include, for example, 2,5-dimethylhexane; 2,5-dihydridoperoxide; 2,5-dimethyl-12,5-di (t-butylvinyloxy) hexane; 3-di-t-butylperoxide; t-dicumylperoxide; 2,5-dimethyl-2,5-di (t-butylperoxy) hexine; dicumylperoxide; hi, hi, -bis (T-butylpropyl isopropyl) benzene; n-butyl-1,4,4-bis (t-butylvinyl) butane; 2,2-bis (t-butylvinyloxy) butane; 1,1-bis ( t-butylperoxy) cyclohexane; 1,1-bis (t-butylperoxy) 3,3,5-trimethylcyclohexane; t-butylperoxybenzoate; be
- silane coupling agent is added to the EVA resin for the purpose of improving the adhesive strength with the power generation element as a sealing film of the solar cell, or for the purpose of improving the adhesive strength between the films as an adhesive sheet.
- Known silane coupling agents used for this purpose include, for example, chlorochloropropyltrimethoxysilane; vinyltrichlorosilane; vinyltriethoxysilane; vinyltris-methoxetoxy) silane; methacryloxypropyltrimethoxysilane.
- the amount of these silane coupling agents is generally not more than 5 parts by weight, preferably from 0: 2 to 100 parts by weight, based on 100 parts by weight of the EVA resin.
- a crosslinking aid can be added to the EVA resin in order to improve the gel fraction of the EVA resin and improve the durability.
- Known crosslinking aids for this purpose include trifunctional crosslinking aids such as triallyl isocyanurate and triallyl isocyanate, as well as monofunctional crosslinking aids such as NK esters. Can be mentioned.
- the amount of such a crosslinking aid is generally 10 parts by weight or less, preferably 1 to 5 parts by weight, based on 100 parts by weight of the EVA resin.
- hydroquinone for the purpose of improving the stability of the EVA resin, it is possible to add hydroquinone; hydroquinone monomethyl ether; p-benzoquinone; methylhydroquinone, and the like. 5 parts by weight or less.
- a coloring agent such as metal oxides and metal powders, and organic pigments such as azo, phthalocyanine, alkyd, acidic or basic dye lakes.
- colorants include inorganic pigments such as metal oxides and metal powders, and organic pigments such as azo, phthalocyanine, alkyd, acidic or basic dye lakes.
- Ultraviolet absorbers include benzophenones such as 2-hydroxy-14-octoxybenzophenone; 2-hydroxy-4-methoxy-15-sulfobenzophenone; 2- (2'-hydroxy-5- Methylphenyl) Benzotriazoles such as benzotriazole; phenyl salsylate; hindertoamines such as p-t-butylphenyl salicylate.
- Anti-aging agents include amines; phenols; bisphenyls; hindered amines, for example, di-t-butyl-p-cresol; bis (2,2,6,6-tetramethyl-4-piperazyl) sebake There are Industrial applicability
- the solar cell cover material of the present invention is a transparent resin film having both good moisture resistance and light resistance, the use of this solar cell cover material as a transparent protective member for a solar cell is improved. It is possible to provide a solar cell which can be adapted to a flexible shape, is lightweight, has excellent impact resistance, and has excellent durability without problems of ultraviolet ray deterioration and emission.
- the solar cell cover material / sealing film of the present invention is provided with the solar cell cover of the present invention.
- the solar cell of the present invention uses the solar cell cover material of the present invention as a transparent protective member on the front side and the front side or the rear side, can respond to a flexible shape, is lightweight, and has impact resistance and durability. Excellent.
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Laminated Bodies (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69924025T DE69924025T2 (de) | 1998-12-07 | 1999-12-01 | Abdeckmaterial für solarzelle |
EP99973354A EP1150357B1 (en) | 1998-12-07 | 1999-12-01 | Cover material for solar cell |
US09/800,526 US6441299B2 (en) | 1998-12-07 | 2001-03-08 | Covering member for solar battery |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/347225 | 1998-12-07 | ||
JP10347224A JP2000174296A (ja) | 1998-12-07 | 1998-12-07 | 太陽電池用カバー材、封止膜及び太陽電池 |
JP34722598A JP3978911B2 (ja) | 1998-12-07 | 1998-12-07 | 太陽電池用カバー材、封止膜及び太陽電池 |
JP10347227A JP2000174299A (ja) | 1998-12-07 | 1998-12-07 | 太陽電池用カバー材、封止膜及び太陽電池 |
JP10/347226 | 1998-12-07 | ||
JP10/347227 | 1998-12-07 | ||
JP10/347224 | 1998-12-07 | ||
JP34722698A JP3978912B2 (ja) | 1998-12-07 | 1998-12-07 | 太陽電池用カバー材、封止膜及び太陽電池 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/800,526 Continuation US6441299B2 (en) | 1998-12-07 | 2001-03-08 | Covering member for solar battery |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000035025A1 true WO2000035025A1 (fr) | 2000-06-15 |
Family
ID=27480678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/006725 WO2000035025A1 (fr) | 1998-12-07 | 1999-12-01 | Revetement pour cellule solaire film d'etancheite et cellule solaire |
Country Status (5)
Country | Link |
---|---|
US (1) | US6441299B2 (ja) |
EP (1) | EP1150357B1 (ja) |
DE (1) | DE69924025T2 (ja) |
ES (1) | ES2238877T3 (ja) |
WO (1) | WO2000035025A1 (ja) |
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CN108682706B (zh) * | 2018-06-01 | 2019-08-16 | 汉能移动能源控股集团有限公司 | 太阳能电池封装板及其制备工艺、太阳能电池及其封装工艺 |
FR3089058B1 (fr) * | 2018-11-26 | 2020-12-25 | Commissariat Energie Atomique | Dispositif photovoltaïque comportant au moins une couche de revêtement ponçable sur au moins un module photovoltaïque |
CN111490017A (zh) * | 2020-04-16 | 2020-08-04 | 电子科技大学 | 一种可用于光电子器件的防潮结构及其制备方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002003475A1 (en) * | 2000-07-03 | 2002-01-10 | Bridgestone Corporation | Backside covering material for a solar cell module and its use |
JP2002026346A (ja) * | 2000-07-03 | 2002-01-25 | Bridgestone Corp | 太陽電池用バックカバー材兼用封止膜及び太陽電池 |
US6521825B2 (en) * | 2000-07-03 | 2003-02-18 | Bridgestone Corporation | Backside covering material for a solar cell module and its use |
Also Published As
Publication number | Publication date |
---|---|
EP1150357B1 (en) | 2005-03-02 |
US6441299B2 (en) | 2002-08-27 |
DE69924025T2 (de) | 2005-07-21 |
ES2238877T3 (es) | 2005-09-01 |
EP1150357A1 (en) | 2001-10-31 |
US20010009160A1 (en) | 2001-07-26 |
DE69924025D1 (de) | 2005-04-07 |
EP1150357A4 (en) | 2002-06-12 |
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