CN111662644A - Photovoltaic packaging adhesive film and preparation method and application thereof - Google Patents
Photovoltaic packaging adhesive film and preparation method and application thereof Download PDFInfo
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- CN111662644A CN111662644A CN202010371839.1A CN202010371839A CN111662644A CN 111662644 A CN111662644 A CN 111662644A CN 202010371839 A CN202010371839 A CN 202010371839A CN 111662644 A CN111662644 A CN 111662644A
- Authority
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- China
- Prior art keywords
- adhesive film
- packaging adhesive
- parts
- rare earth
- light conversion
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 95
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 69
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 55
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 55
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 48
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 39
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 29
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 18
- 239000007822 coupling agent Substances 0.000 claims abstract description 16
- 239000013110 organic ligand Substances 0.000 claims abstract description 3
- -1 bipyridyl triazole compound Chemical class 0.000 claims description 25
- 238000005266 casting Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 8
- 229920003192 poly(bis maleimide) Polymers 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052765 Lutetium Inorganic materials 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910052775 Thulium Inorganic materials 0.000 claims description 4
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 4
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 4
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 4
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 claims description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 3
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 3
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- 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 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 239000008393 encapsulating agent Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 150000001451 organic peroxides Chemical group 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 150000008301 phosphite esters Chemical group 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000002250 absorbent Substances 0.000 abstract description 3
- 230000002745 absorbent Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000001308 synthesis method Methods 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 abstract description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical group C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 42
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 21
- 239000000155 melt Substances 0.000 description 19
- 238000012360 testing method Methods 0.000 description 19
- 239000002994 raw material Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 230000032683 aging Effects 0.000 description 7
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 6
- PZRWFKGUFWPFID-UHFFFAOYSA-N 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCCCCCCCCCCCC)OCC21COP(OCCCCCCCCCCCCCCCCCC)OC2 PZRWFKGUFWPFID-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000003446 ligand Substances 0.000 description 5
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 5
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 description 4
- 239000004808 2-ethylhexylester Substances 0.000 description 3
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 3
- HVOXPIVEKMVASW-UHFFFAOYSA-N [Eu+3].N1=C(C=CC2=CC=C3C=CC=NC3=C12)C1=NC=NN1.N1=C(C=CC2=CC=C3C=CC=NC3=C12)C1=NC=NN1.N1=C(C=CC2=CC=C3C=CC=NC3=C12)C1=NC=NN1 Chemical compound [Eu+3].N1=C(C=CC2=CC=C3C=CC=NC3=C12)C1=NC=NN1.N1=C(C=CC2=CC=C3C=CC=NC3=C12)C1=NC=NN1.N1=C(C=CC2=CC=C3C=CC=NC3=C12)C1=NC=NN1 HVOXPIVEKMVASW-UHFFFAOYSA-N 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 3
- KDGNCLDCOVTOCS-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OOC(C)(C)C KDGNCLDCOVTOCS-UHFFFAOYSA-N 0.000 description 2
- PEIOJDSKZHVEQV-UHFFFAOYSA-N 1,3-diphenylpropane-1,3-dione europium(3+) 1,10-phenanthroline Chemical compound [Eu+3].N1=CC=CC2=CC=C3C=CC=NC3=C12.C(C1=CC=CC=C1)(=O)CC(C1=CC=CC=C1)=O.C(C1=CC=CC=C1)(=O)CC(C1=CC=CC=C1)=O.C(C1=CC=CC=C1)(=O)CC(C1=CC=CC=C1)=O PEIOJDSKZHVEQV-UHFFFAOYSA-N 0.000 description 2
- DBYHNAIXTVQWTK-UHFFFAOYSA-N P(O)(O)O.P(O)(O)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1 Chemical compound P(O)(O)O.P(O)(O)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1 DBYHNAIXTVQWTK-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 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
- DDAWKKSMUHNSBG-UHFFFAOYSA-N CC(C)(C)C(C=C1)=CC(C(C)(C)C)=C1C(C=C(C=C1)C2=CC=CC=C2)=C1OP(O)OC(C=CC(C1=CC=CC=C1)=C1)=C1C1=C(C(C)(C)C)C=C(C(C)(C)C)C=C1.CC(C)(C)C(C=C1)=CC(C(C)(C)C)=C1C(C=C(C=C1)C2=CC=CC=C2)=C1OP(O)OC(C=CC(C1=CC=CC=C1)=C1)=C1C1=C(C(C)(C)C)C=C(C(C)(C)C)C=C1 Chemical compound CC(C)(C)C(C=C1)=CC(C(C)(C)C)=C1C(C=C(C=C1)C2=CC=CC=C2)=C1OP(O)OC(C=CC(C1=CC=CC=C1)=C1)=C1C1=C(C(C)(C)C)C=C(C(C)(C)C)C=C1.CC(C)(C)C(C=C1)=CC(C(C)(C)C)=C1C(C=C(C=C1)C2=CC=CC=C2)=C1OP(O)OC(C=CC(C1=CC=CC=C1)=C1)=C1C1=C(C(C)(C)C)C=C(C(C)(C)C)C=C1 DDAWKKSMUHNSBG-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- RRFWWSOELBTKEK-UHFFFAOYSA-N P(O)(O)O.P(O)(O)O.C(CCCCCCCCCCCCCCCCC)C(O)(C(CO)(CO)CO)CCCCCCCCCCCCCCCCCC Chemical compound P(O)(O)O.P(O)(O)O.C(CCCCCCCCCCCCCCCCC)C(O)(C(CO)(CO)CO)CCCCCCCCCCCCCCCCCC RRFWWSOELBTKEK-UHFFFAOYSA-N 0.000 description 1
- UZFOEOWVDFOHCJ-UHFFFAOYSA-N [Eu].FCC1=NNC(=N1)C1=CC=CC(=N1)C1=NC=CC=C1.FCC1=NNC(=N1)C1=CC=CC(=N1)C1=NC=CC=C1.FCC1=NNC(=N1)C1=CC=CC(=N1)C1=NC=CC=C1 Chemical compound [Eu].FCC1=NNC(=N1)C1=CC=CC(=N1)C1=NC=CC=C1.FCC1=NNC(=N1)C1=CC=CC(=N1)C1=NC=CC=C1.FCC1=NNC(=N1)C1=CC=CC(=N1)C1=NC=CC=C1 UZFOEOWVDFOHCJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical group OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- IXDAOYYROAXYLL-UHFFFAOYSA-N tert-butyl 2-ethylhexoxy carbonate Chemical compound CCCCC(CC)COOC(=O)OC(C)(C)C IXDAOYYROAXYLL-UHFFFAOYSA-N 0.000 description 1
- KGKNBDYZZIBZQL-UHFFFAOYSA-N tert-butyl carboxyoxy carbonate Chemical compound CC(C)(C)OC(=O)OOC(O)=O KGKNBDYZZIBZQL-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- 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
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/322—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of solar panels
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- 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)
- Adhesives Or Adhesive Processes (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic packaging adhesive film and a preparation method and application thereof. The photovoltaic packaging adhesive film comprises the following components in parts by mass: 90-400 parts of ethylene-vinyl acetate copolymer, 0.5-5 parts of cross-linking agent, 0.1-3 parts of auxiliary cross-linking agent, 0.1-3 parts of antioxidant, 0.1-5 parts of coupling agent and 5-10 parts of light conversion agent master batch; wherein, the light conversion agent master batch is prepared by EVA and rare earth organic complex; the structural formula of the rare earth organic complex is LnL3Ln represents a central rare earth ion, and L represents an organic ligand. The rare earth organic complex light conversion material adopted by the packaging adhesive film has the advantages of simple synthesis method, good compatibility with an adhesive film matrix, high light conversion efficiency, stable physical and chemical properties and lightNot easy to lose efficacy under illumination and the like. The packaging adhesive film prepared by the light conversion agent can replace an ultraviolet absorbent and a stabilizer, and the photoelectric conversion efficiency of the solar cell module is improved.
Description
Technical Field
The invention relates to the technical field of optical functional materials, in particular to a long-acting light conversion photovoltaic packaging adhesive film and a preparation method and application thereof.
Background
Sunlight is a power source for human beings, animals and plants to live and develop, and the loss of a large amount of non-renewable energy and increasingly serious environmental problems now cause human beings to pay attention to the development and popularization of natural and pollution-free new energy: and (4) solar energy. Among the numerous uses of solar energy, photovoltaic cells are most widely used. The photovoltaic cell needs to be placed in an outdoor environment for a long time in practical use, and the photovoltaic cell is brittle and has poor corrosion resistance, so that the photovoltaic cell needs to be packaged and protected before use, and the most widely used photovoltaic cell packaging material at present is an EVA (ethylene vinyl acetate copolymer) adhesive film.
In the working process of the photovoltaic cell, due to the structure and performance of the photovoltaic cell, solar rays of all wave bands cannot be completely absorbed and utilized, and most of infrared light and high-energy ultraviolet light are wasted and lost, so that the energy conversion efficiency of the photovoltaic cell is reduced. In order to better utilize solar energy to improve the efficiency of the photovoltaic cell, the rare earth compound with the light conversion function is uniformly compounded with the EVA adhesive film, high-energy ultraviolet light which cannot be directly absorbed by the solar cell is converted into visible light which can be directly utilized by the EVA adhesive film on the basis of ensuring the good use performance of the EVA adhesive film, the utilization rate of the solar energy and the efficiency of the photovoltaic cell are improved, and an environment-friendly society is created for human beings.
The rare earth compound mainly comprises a rare earth inorganic compound and a rare earth organic complex. The rare earth inorganic compound based on rare earth oxide or inorganic salt has poor dispersibility and compatibility with EVA packaging adhesive films, and is easy to agglomerate after being doped, so that the light transmittance of the adhesive films is reduced, and the photoelectric conversion efficiency of the battery is reduced. The traditional rare earth organic complex has good compatibility with high polymer materials and high initial brightness, can realize the improvement of the energy conversion efficiency of the photovoltaic cell, but has poor weather resistance, namely is easy to photolysis under sunlight, and has limited improvement on the generating efficiency of the photovoltaic cell.
Disclosure of Invention
In order to overcome the problems of the existing rare earth compound composite EVA (ethylene vinyl acetate) packaging adhesive film, the invention aims to provide a photovoltaic packaging adhesive film with long-acting light conversion, the second aim of the invention is to provide a preparation method of the photovoltaic packaging adhesive film, and the third aim of the invention is to provide application of the photovoltaic packaging adhesive film.
The invention concept of the invention is as follows: the long-acting light conversion material is added in the photovoltaic packaging adhesive film, so that ultraviolet light with low utilization rate of the solar crystalline silicon battery assembly can be converted into red orange light with high utilization rate, the photoelectric conversion efficiency of the solar battery piece is improved, and the self aging of the packaging adhesive film can be delayed. The rare earth organic complex light conversion agent adopted by the packaging adhesive film has good compatibility with an adhesive film matrix, strong light stability and high luminous efficiency, and can solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a long-acting light conversion photovoltaic packaging adhesive film, which comprises the following components in parts by mass:
the master batch of the light conversion agent is prepared from ethylene-vinyl acetate copolymer and rare earth organic complex; the structural formula of the rare earth organic complex is LnL3(ii) a Wherein Ln represents a central rare earth ion selected from any one of neodymium, europium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium; l represents an organic ligand, and is selected from any one of a bipyridyl triazole compound, an o-phenanthroline triazole compound, a quinoline triazole compound, a tetrazole compound substituted by nitrogen-containing bidentate heterocycle and a 1,2, 3-triazole compound substituted by nitrogen-containing bidentate heterocycle.
Preferably, in the photovoltaic packaging adhesive film, the light conversion agent master batch is prepared from 70-99 parts by mass of ethylene-vinyl acetate copolymer and 1-30 parts by mass of rare earth organic complex. The mass percentage of the rare earth organic complex in the light conversion agent master batch is preferably 1-30%.
Preferably, in the photovoltaic packaging adhesive film, the mass content of Vinyl Acetate (VA) of the ethylene-vinyl acetate copolymer is 28-33%.
Preferably, in the photovoltaic packaging adhesive film, the melt index of the ethylene-vinyl acetate copolymer under the test condition of 190 ℃/2.16kg is 10g/10 min-40 g/10 min.
Preferably, in the photovoltaic packaging adhesive film, the rare earth organic complex is selected from at least one of the following compounds:
Further preferably, in the photovoltaic packaging adhesive film, the rare earth organic complex is at least one selected from the group consisting of tris [5- (2,2 '-bipyridin-6-yl) -1,2, 4-1H-triazole ] europium (III) (compound a), tris [5- (1, 10-phenanthroline-2-yl) -1,2, 4-1H-triazole ] europium (III) (compound b), tris [5- (4,4' -dimethyl-2, 2 '-bipyridin-6-yl) -1,2, 4-1H-triazole ] europium (III) (compound c), and tris [ 3-fluoromethyl-5- (2,2' -bipyridin-6-yl) -1,2, 4-1H-triazole ] europium (III) (compound d). The structural formula of the rare earth organic complexes is shown as follows:
preferably, in the photovoltaic packaging adhesive film, the amount of the rare earth organic complex accounts for 0.05-1% of the total mass of the photovoltaic packaging adhesive film.
The preparation methods of the rare earth organic complexes in the invention can be seen in the disclosures of CN103044466A, CN103265567A, CN103172649A and CN 103242354A.
Preferably, in the photovoltaic packaging adhesive film, the crosslinking agent is an organic peroxide crosslinking agent; more preferably, the crosslinking agent is at least one selected from the group consisting of tert-butyl peroxycarbonate-2-ethylhexyl ester, 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane, and tert-butyl peroxyisopropyl carbonate.
Preferably, in the photovoltaic encapsulant film, the auxiliary crosslinking agent is at least one selected from triallylisocyanurate, ethylene glycol dimethacrylate, N' -m-phenyl bismaleimide and trimethylolpropane trimethacrylate.
Preferably, in the photovoltaic packaging adhesive film, the antioxidant is a phosphite antioxidant; more preferably, the antioxidant is at least one selected from the group consisting of triphenyl phosphite (TPPi), tris (nonylphenyl) phosphite (TNPP), tetrakis (2, 4-di-t-butylphenyl-4, 4' -biphenyl) bisphosphite (P-EPQ), and dioctadecylpentaerythritol bisphosphite (antioxidant 618).
Preferably, in the photovoltaic packaging adhesive film, the coupling agent is a silane coupling agent; more preferably, the coupling agent is at least one selected from the group consisting of vinyltris (. beta. -methoxyethoxy) silane (KH172), γ -glycidoxypropyltrimethoxysilane (KH560), γ - (methacryloyloxy) propyltrimethoxysilane (KH570), and γ -mercaptopropyltriethoxysilane (KH 580).
The invention also provides a preparation method of the long-acting light conversion photovoltaic packaging adhesive film.
The preparation method of the photovoltaic packaging adhesive film comprises the following steps:
1) mixing ethylene-vinyl acetate copolymer and rare earth organic complex, extruding by a double-screw extruder, and granulating to obtain light conversion agent master batch;
2) mixing the ethylene-vinyl acetate copolymer, the cross-linking agent, the auxiliary cross-linking agent, the antioxidant, the coupling agent and the light conversion agent master batch, and performing casting molding to obtain the photovoltaic packaging adhesive film.
Preferably, in step 1) of the preparation method of the photovoltaic packaging adhesive film, the operating temperature of the double-screw extruder is 70-100 ℃.
Preferably, in the step 1) of the preparation method of the photovoltaic packaging adhesive film, the rotating speed of the double-screw extruder is 100 r/min-300 r/min.
Preferably, in the step 2) of the preparation method of the photovoltaic packaging adhesive film, the tape casting specifically comprises the steps of adding the material into a tape casting machine, and performing plasticizing extrusion, stretching, traction and rolling to obtain the photovoltaic packaging adhesive film.
Preferably, in the step 2) of the preparation method of the photovoltaic packaging adhesive film, the casting temperature is 70-90 ℃; more preferably, the casting temperature is 75 to 85 ℃.
Preferably, in the step 2) of the preparation method of the photovoltaic packaging adhesive film, the thickness of the photovoltaic packaging adhesive film is 0.7 mm-0.9 mm; further preferably, the thickness of the photovoltaic packaging adhesive film is 0.8 mm.
The invention also provides application of the long-acting light conversion photovoltaic packaging adhesive film.
An application of the photovoltaic packaging adhesive film in preparing a photovoltaic cell. In particular, the photovoltaic packaging adhesive film is used as a packaging material of a photovoltaic cell.
The invention has the beneficial effects that:
the rare earth organic complex light conversion material adopted by the packaging adhesive film has the advantages of simple synthesis method, good compatibility with an adhesive film substrate, high light conversion efficiency, stable physical and chemical properties, difficult failure under illumination and the like. The packaging adhesive film prepared by the light conversion agent can replace an ultraviolet absorbent and a stabilizer, and can convert ultraviolet light with low utilization rate of the solar crystalline silicon cell module into visible light with high utilization rate, so that the photoelectric conversion efficiency of the solar cell module is improved.
Specifically, compared with the prior art, the invention has the following advantages:
1. the rare earth organic complex adopted by the invention has simple synthesis method and good compatibility with the adhesive film substrate, and converts the ultraviolet light which cannot be directly absorbed by the photovoltaic module into red orange light which can be used by the photovoltaic module on the basis of ensuring high transmittance. Meanwhile, the light conversion efficiency is high, the physical and chemical properties are stable, and the light is not easy to lose efficacy.
2. Compared with the traditional beta-diketone rare earth organic complex, the rare earth organic complex adopted by the invention increases the binding energy of the ligand and the metal ions through the saturated coordination of the trivalent metal ions and the tridentate ligand, so that the ligand is more difficult to dissociate, and the problem of short light conversion service life of the traditional rare earth organic complex under sunlight is effectively solved.
3. The rare earth organic complex is firstly prepared into master batch and then used for manufacturing packaging adhesive films, so that the rare earth organic complex can be pre-dispersed, the dispersibility of the rare earth organic complex in an adhesive film matrix is improved, and the dust pollution during field operation is reduced. The rare earth organic complex is doped into the photovoltaic packaging adhesive film, so that the packaging adhesive film has a light conversion effect, the photoelectric conversion efficiency of the solar cell piece is improved, the self aging of the packaging adhesive film can be delayed, the use of an ultraviolet absorbent is reduced/avoided, and the photovoltaic packaging adhesive film has a very high economic value and a good commercial application prospect.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The starting materials, reagents or apparatuses used in the examples and comparative examples were obtained from conventional commercial sources or can be prepared by known existing methods, unless otherwise specified. Unless otherwise indicated, the testing or testing methods are conventional in the art.
The amounts of the raw materials "parts" mentioned in the following examples are "parts by mass" unless otherwise specified.
Example 1
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
10 parts by mass of rare earth organic complex tris [ 3-fluoromethyl-5- (2,2' -bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III) and 90 parts by mass of EVA raw material with the vinyl acetate content of 28% and the melt index of 20g/10min are added into a high-speed mixer, the mixture is uniformly stirred by the high-speed mixer, extruded by a screw extruder with the rotation speed of 150r/min at the operation temperature of 70-100 ℃, and granulated by water cooling to prepare the light conversion agent master batch.
The light conversion agent masterbatch of 5 parts by mass prepared in the example, EVA with a vinyl acetate content of 28% and a melt index (190 ℃/2.16kg under the test condition) of 20g/10min, 1.0 part of tert-butyl peroxydicarbonate-2-ethyl hexyl ester as a crosslinking agent, N' -m-phenyl bismaleimide as an auxiliary crosslinking agent, gamma- (methacryloyloxy) propyl trimethoxysilane as a coupling agent, and tris (nonylphenyl) phosphite as an antioxidant are uniformly mixed by a high-speed mixer, and then are put into a casting machine, plasticized, extruded, stretched, pulled, and rolled at 80 ℃ to prepare an EVA adhesive film with a thickness of 0.8 mm.
Example 2
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
1 part by mass of rare earth organic complex tris [5- (4,4 '-dimethyl-2, 2' -bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III) and 99 parts by mass of EVA raw material with the vinyl acetate content of 33% and the melt index of 25g/10min are added into a high-speed mixer, are uniformly stirred by the high-speed mixer, are extruded by a screw extruder with the rotation speed of 200r/min at the operation temperature of 70-100 ℃, are granulated by water cooling, and are prepared into light conversion agent master batches.
The light conversion agent masterbatch of 5 parts by mass prepared in the embodiment, EVA with a vinyl acetate content of 33% and a melt index (190 ℃/2.16kg under the test condition) of 25g/10min, 0.5 part of a crosslinking agent tert-butyl peroxy-isopropyl carbonate, 0.1 part of an auxiliary crosslinking agent ethylene glycol dimethacrylate, 0.2 part of a coupling agent gamma-mercaptopropyl triethoxysilane and 0.1 part of an antioxidant dioctadecyl pentaerythritol diphosphite are uniformly mixed by a high-speed mixer, and then put into a casting machine, and an EVA adhesive film with a thickness of 0.8mm is prepared by plasticizing, extruding, stretching, pulling and rolling at 80 ℃.
Example 3
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
5 parts by mass of rare earth organic complex tris [5- (1, 10-phenanthroline-2-yl) -1,2, 4-1H-triazole ] europium (III) and 95 parts by mass of EVA raw material with the vinyl acetate content of 28% and the melt index of 30g/10min are added into a high-speed mixer, are uniformly stirred by the high-speed mixer, are extruded by a screw extruder with the rotating speed of 150r/min at the operating temperature of 70-100 ℃, and are granulated by water cooling to prepare the light conversion agent master batch.
10 parts by mass of the light conversion agent master batch prepared in the embodiment, 400 parts by mass of EVA with a vinyl acetate content of 28% and a melt index (190 ℃/2.16kg under the test condition) of 30g/10min, 2 parts by mass of tert-butyl peroxydicarbonate as a crosslinking agent, 1.5 parts by mass of ethylene glycol dimethacrylate as an auxiliary crosslinking agent, 1 part by mass of gamma- (methacryloyloxy) propyltrimethoxysilane as a coupling agent and 1.5 parts by mass of tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenylyl) bisphosphite as an antioxidant are uniformly mixed by a high-speed mixer, and then are put into a casting machine, and an EVA adhesive film with a thickness of 0.8mm is prepared by plasticizing, extruding, stretching, drawing and rolling at 80 ℃.
Example 4
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
adding 10 parts by mass of rare earth organic complex tris [5- (4,4 '-dimethyl-2, 2' -bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III) and 90 parts by mass of EVA raw material with the vinyl acetate content of 33% and the melt index of 30g/10min into a high-speed mixer, uniformly stirring by using the high-speed mixer, extruding by using a screw extruder with the rotation speed of 200r/min at the operation temperature of 70-100 ℃, and performing water cooling granulation to prepare the light conversion agent master batch.
Taking 5 parts by mass of the light conversion agent master batch prepared in the embodiment, 120 parts by mass of EVA with the vinyl acetate content of 33% and the melt index (190 ℃/2.16kg under the test condition) of 30g/10min, 1.2 parts by mass of a crosslinking agent 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, 0.6 part by mass of an auxiliary crosslinking agent trimethylolpropane trimethacrylate, 0.5 part by mass of a coupling agent gamma- (methacryloyloxy) propyl trimethoxy silane and 0.3 part by mass of antioxidant triphenyl phosphite, uniformly mixing by a high-speed mixer, putting into a casting machine, plasticizing, extruding, stretching, drawing and rolling at 80 ℃ to prepare an EVA adhesive film with the thickness of 0.8 mm.
Example 5
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
20 parts by mass of rare earth organic complex tris [ 3-fluoromethyl-5- (2,2' -bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III) and 80 parts by mass of EVA raw material with the vinyl acetate content of 28% and the melt index of 30g/10min are added into a high-speed mixer, the mixture is uniformly stirred by the high-speed mixer, extruded by a screw extruder with the rotation speed of 150r/min at the operation temperature of 70-100 ℃, and granulated by water cooling to prepare the light conversion agent master batch.
Taking 5 parts by mass of the light conversion agent master batch prepared in the embodiment, 130 parts by mass of EVA with a vinyl acetate content of 28% and a melt index (190 ℃/2.16kg under the test condition) of 30g/10min, 1.6 parts by mass of a crosslinking agent of 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, 0.4 part by mass of an auxiliary crosslinking agent of N, N' -m-phenyl bismaleimide, 1 part by mass of a coupling agent of gamma-glycidyl ether oxypropyltrimethoxysilane and 0.4 part by mass of an antioxidant of dioctadecyl pentaerythritol diphosphite, uniformly mixing by a high-speed mixer, putting into a casting machine, plasticizing, extruding, stretching, drawing and rolling at 80 ℃ to prepare an EVA adhesive film with a thickness of 0.8 mm.
Example 6
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
15 parts by mass of rare earth organic complex tris [5- (1, 10-phenanthroline-2-yl) -1,2, 4-1H-triazole ] europium (III) and 85 parts by mass of EVA raw material with 28% of vinyl acetate content and 30g/10min of melt index are added into a high-speed mixer, uniformly stirred by the high-speed mixer, extruded by a screw extruder with the rotating speed of 150r/min at the operating temperature of 70-100 ℃, and granulated by water cooling to prepare the light conversion agent master batch.
5 parts by mass of the light conversion agent master batch prepared in the embodiment, 250 parts by mass of EVA with a vinyl acetate content of 28% and a melt index (190 ℃/2.16kg under the test condition) of 30g/10min, 1.3 parts by mass of a crosslinking agent tert-butyl peroxycarbonic acid-2-ethyl hexyl ester, 1.2 parts by mass of an auxiliary crosslinking agent trimethylolpropane trimethacrylate, 0.8 part by mass of a coupling agent gamma- (methacryloyloxy) propyl trimethoxy silane and 1 part by mass of an antioxidant tris (nonylphenyl) phosphite are uniformly mixed by a high-speed mixer, and then put into a casting machine, and an EVA adhesive film with the thickness of 0.8mm is prepared by plasticizing, extruding, stretching, drawing and rolling at 80 ℃.
Example 7
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
adding 15 parts by mass of rare earth organic complex tris [5- (2,2' -bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III) and 85 parts by mass of EVA raw material with the vinyl acetate content of 33% and the melt index of 40g/10min into a high-speed mixer, uniformly stirring by using the high-speed mixer, extruding by using a screw extruder with the rotating speed of 200r/min at the operating temperature of 70-100 ℃, and performing water cooling granulation to prepare the light conversion agent master batch.
10 parts by mass of the light conversion agent master batch prepared in the embodiment, 300 parts by mass of EVA with a vinyl acetate content of 33% and a melt index (190 ℃/2.16kg under the test condition) of 40g/10min, 2.5 parts by mass of a crosslinking agent tert-butyl peroxycarbonic acid-2-ethyl hexyl ester, 1.3 parts by mass of co-crosslinking agent N, N' -m-phenyl bismaleimide, 1.2 parts by mass of coupling agent gamma-mercaptopropyltriethoxysilane and 1.3 parts by mass of antioxidant tris (nonylphenyl) phosphite are uniformly mixed by a high-speed mixer, and then are put into a casting machine, and an EVA adhesive film with a thickness of 0.8mm is prepared by plasticizing, extruding, stretching, drawing and rolling at 80 ℃.
Example 8
The preparation method of the long-acting light conversion photovoltaic packaging adhesive film comprises the following steps:
30 parts by mass of rare earth organic complex tris [ 3-fluoromethyl-5- (2,2' -bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III) and 70 parts by mass of EVA raw material with the vinyl acetate content of 28% and the melt index of 10g/10min are added into a high-speed mixer, the mixture is uniformly stirred by the high-speed mixer, extruded by a screw extruder with the rotation speed of 150r/min at the operation temperature of 70-100 ℃, and granulated by water cooling to prepare the light conversion agent master batch.
Taking 5 parts by mass of the light conversion agent master batch prepared in the embodiment, 150 parts by mass of EVA with the vinyl acetate content of 28% and the melt index (190 ℃/2.16kg under the test condition) of 10g/10min, 0.8 part of the cross-linking agent 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, 0.8 part of the auxiliary cross-linking agent ethylene glycol dimethacrylate, 1.5 parts of the coupling agent gamma-glycidyl ether oxypropyltrimethoxysilane and 0.6 part of the antioxidant tetrakis (2, 4-di-t-butylphenyl-4, 4' -biphenyl) bisphosphite, uniformly mixing by a high-speed mixer, putting into a casting machine, plasticizing, extruding, stretching, drawing and rolling at 80 ℃ to prepare the EVA adhesive film with the thickness of 0.8 mm.
Comparative example 1
The preparation method of the photovoltaic packaging adhesive film comprises the following steps:
1 part by mass of rare earth organic complex tris [ 3-fluoromethyl-5- (2,2 '-bipyridyl-6-yl) -1,2, 4-1H-triazole ] europium (III), 134 parts by mass of EVA with the vinyl acetate content of 28% and the melt index of 30g/10min, 1.6 parts by mass of a crosslinking agent 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, 0.4 part by mass of an auxiliary crosslinking agent N, N' -m-phenyl bismaleimide, 0.7 part by mass of a coupling agent glycidyl ether oxypropyltrimethoxysilane and 1.3 parts by mass of an antioxidant dioctadecyl pentaerythritol diphosphite are mixed uniformly by a high-speed mixer, and then are put into a casting machine, and are plasticized, extruded, stretched, pulled and rolled at 80 ℃ to prepare an EVA adhesive film with the thickness of 0.8 mm.
Comparative example 2
The beta-diketone ligand is one of the most studied europium complex ligands, and the example selects the most common tris (dibenzoylmethane) phenanthroline europium (III) to prepare the photoconversion EVA adhesive film for comparison.
The preparation method of the photovoltaic packaging adhesive film comprises the following steps:
adding 20 parts by mass of tris (dibenzoylmethane) phenanthroline europium (III) and 80 parts by mass of EVA raw material with the vinyl acetate content of 28% and the melt index of 30g/10min into a high-speed mixer, uniformly stirring by using the high-speed mixer, extruding by using a screw extruder with the rotating speed of 150r/min at the operating temperature of 70-100 ℃, and performing water cooling granulation to prepare the light conversion agent master batch.
Taking 5 parts by mass of the light conversion agent master batch prepared in the embodiment, 130 parts by mass of EVA with the vinyl acetate content of 28% and the melt index of 30g/10min, 1.6 parts by mass of a crosslinking agent 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, 0.4 part by mass of an auxiliary crosslinking agent N, N' -m-phenyl bismaleimide, 0.7 part by mass of a coupling agent glycidyl ether oxypropyltrimethoxysilane and 1.3 parts by mass of an antioxidant dioctadecyl pentaerythritol diphosphite, uniformly mixing at a high speed, putting into a casting machine, and plasticizing, extruding, stretching, drawing and rolling at 80 ℃ to prepare an EVA adhesive film with the thickness of 0.8 mm.
Performance testing
The EVA adhesive films prepared in the examples 1-8 and the comparative examples 1-2 are subjected to performance tests, and the test items and the test method are as follows:
1. transparency of
And (3) carrying out light transmittance test on the EVA adhesive film according to a GB/T2410 test method.
2. Ultraviolet irradiation resistance
The ultraviolet radiation aging performance test is carried out according to the standard of the international electrotechnical commission IEC 61345. The experimental conditions are as follows: the surface temperature of the sample is 60 +/-5 ℃, the wavelength is 200-400 nm, and the irradiation intensity is 15 KW.h/m2And the irradiation time is 1000 h.
And (3) testing items:
a: the yellowness index (Δ YI) was measured according to GB2409-80 "method for measuring yellow index of plastics".
B: after the ultraviolet irradiation, the samples in the examples were observed for the presence or absence of defects such as delamination and bubbles.
3. Resistance to wet heat aging
The resistance to wet heat aging was tested according to GB/T2423.3. The experimental conditions are as follows: the temperature is 85 ℃, the humidity is 85 percent, and the time is 2000 h.
A: the yellowness index (Δ YI) was measured according to GB2409-80 "method for measuring yellow index of plastics".
B: after the resistance to wet heat aging, the samples in the examples were observed for the presence of defects such as delamination and bubbles.
4. Test for photoelectric conversion efficiency of solar cell
Covering the prepared EVA light conversion film on the surface of a solar standard cell (QE-B1 type), connecting into an electrochemical workstation, and fixing the light source intensity at 100mW/m2Illumination area of 4cm2And measuring an I-V characteristic curve of the solar cell to calculate the photoelectric conversion efficiency of the solar cell, wherein the scanning voltage range is-2V.
The test results are shown in table 1.
TABLE 1 EVA film test results of examples 1-8 and comparative examples 1-2
The above test results fully show that the EVA packaging adhesive film has very good transparency and excellent ultraviolet irradiation resistance and humidity and heat aging resistance, and the addition of the light conversion material enables ultraviolet light to be effectively utilized, so that the photovoltaic packaging material with the light conversion function has higher photoelectric conversion efficiency.
The photovoltaic packaging adhesive film with the light conversion function can convert ultraviolet light with the wavelength of 300nm-400nm into red orange light with the wavelength of 580nm-700nm, namely, a spectral band with low quantum efficiency of a crystalline silicon cell is converted into a spectral band with high quantum efficiency, so that spectral energy is more reasonably utilized, the photoelectric conversion efficiency of the solar cell is improved, the self-aging of the packaging adhesive film can be delayed, the popularization and development of the solar cell are facilitated, and the photovoltaic packaging adhesive film has practical significance.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A photovoltaic packaging adhesive film is characterized in that: the paint comprises the following components in parts by mass:
the light conversion agent master batch is prepared from an ethylene-vinyl acetate copolymer and a rare earth organic complex;
the structural formula of the rare earth organic complex is LnL3(ii) a Wherein Ln represents central rare earth ion selected from Nd, Eu, Dy and HoAny one of erbium, thulium, ytterbium and lutetium; l represents an organic ligand, and is selected from any one of a bipyridyl triazole compound, an o-phenanthroline triazole compound, a quinoline triazole compound, a tetrazole compound substituted by nitrogen-containing bidentate heterocycle and a 1,2, 3-triazole compound substituted by nitrogen-containing bidentate heterocycle.
2. The photovoltaic packaging adhesive film of claim 1, wherein: the light conversion agent master batch is prepared from 70-99 parts by mass of ethylene-vinyl acetate copolymer and 1-30 parts by mass of rare earth organic complex.
3. The photovoltaic packaging adhesive film according to claim 1 or 2, wherein: the rare earth organic complex is selected from at least one of the following compounds:
4. The photovoltaic packaging adhesive film of claim 3, wherein: the dosage of the rare earth organic complex accounts for 0.05-1% of the total mass of the photovoltaic packaging adhesive film.
5. The photovoltaic packaging adhesive film of claim 1, wherein: the crosslinking agent is an organic peroxide crosslinking agent.
6. The photovoltaic packaging adhesive film of claim 1, wherein: the auxiliary crosslinking agent is at least one selected from triallyl isocyanurate, ethylene glycol dimethacrylate, N' -m-phenyl bismaleimide and trimethylolpropane trimethacrylate.
7. The photovoltaic packaging adhesive film of claim 1, wherein: the antioxidant is phosphite ester antioxidant.
8. The photovoltaic packaging adhesive film of claim 1, wherein: the coupling agent is a silane coupling agent.
9. The preparation method of the photovoltaic packaging adhesive film according to any one of claims 1 to 8, characterized by comprising the following steps: the method comprises the following steps:
1) mixing ethylene-vinyl acetate copolymer and rare earth organic complex, extruding by a double-screw extruder, and granulating to obtain light conversion agent master batch;
2) mixing the ethylene-vinyl acetate copolymer, the cross-linking agent, the auxiliary cross-linking agent, the antioxidant, the coupling agent and the light conversion agent master batch, and performing casting molding to obtain the photovoltaic packaging adhesive film.
10. Use of the photovoltaic encapsulant film of any of claims 1-8 in the manufacture of a photovoltaic cell.
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| CN112592529A (en) * | 2020-11-19 | 2021-04-02 | 广东省科学院化工研究所 | Light conversion film and preparation method and application thereof |
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