CN108269869A - A kind of photovoltaic component encapsulating film and include its photovoltaic module - Google Patents
A kind of photovoltaic component encapsulating film and include its photovoltaic module Download PDFInfo
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- CN108269869A CN108269869A CN201611260140.8A CN201611260140A CN108269869A CN 108269869 A CN108269869 A CN 108269869A CN 201611260140 A CN201611260140 A CN 201611260140A CN 108269869 A CN108269869 A CN 108269869A
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- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 32
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 229920000098 polyolefin Polymers 0.000 claims abstract description 11
- 239000000155 melt Substances 0.000 claims abstract description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 27
- -1 trifluoroacetylacetone (TFA)-phenanthroline Chemical compound 0.000 claims description 18
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 14
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 12
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 7
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 7
- 235000019260 propionic acid Nutrition 0.000 claims description 7
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 7
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims description 5
- 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 5
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 4
- 239000004611 light stabiliser Substances 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 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- YVXIQVXKXBYVRO-UHFFFAOYSA-N 2,2,2-trifluoroacetic acid 1,1,1-trifluoropentane-2,4-dione Chemical compound OC(=O)C(F)(F)F.CC(=O)CC(=O)C(F)(F)F YVXIQVXKXBYVRO-UHFFFAOYSA-N 0.000 claims description 2
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-Tetramethylpiperidine Substances CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052693 Europium Inorganic materials 0.000 claims description 2
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 241000534944 Thia Species 0.000 claims description 2
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 125000001544 thienyl group Chemical group 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000002834 transmittance Methods 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- 229920006113 non-polar polymer Polymers 0.000 abstract description 2
- 229920006395 saturated elastomer Polymers 0.000 abstract description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229940117958 vinyl acetate Drugs 0.000 description 3
- SHXHPUAKLCCLDV-UHFFFAOYSA-N 1,1,1-trifluoropentane-2,4-dione Chemical compound CC(=O)CC(=O)C(F)(F)F SHXHPUAKLCCLDV-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- NOSXUFXBUISMPR-UHFFFAOYSA-N 1-tert-butylperoxyhexane Chemical compound CCCCCCOOC(C)(C)C NOSXUFXBUISMPR-UHFFFAOYSA-N 0.000 description 1
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 description 1
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001459 mortal effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/055—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
-
- 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
- Y02E10/52—PV systems with concentrators
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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of photovoltaic component encapsulating film, the encapsulating film includes polyolefin elastomer base material and the rare earth organic light conversion agents being scattered in the polyolefin elastomer base material；The melt index of the polyolefine material is 3~30g/10min.The present invention is base material using POE polyolefin elastomers, for non-polar polymer, it is saturated structures, without double bond, there is apparent advantage in terms of weather-proof, color inhibition and water vapor transmittance, insulating properties, and rare earth organic light conversion agents are added, ultraviolet light of the wavelength less than 400nm can be converted into the visible ray that wavelength is more than 400nm, increase the output power of component.
Description
Technical field
The invention belongs to photovoltaic module design fields, and in particular to a kind of photovoltaic component encapsulating film and the photovoltaic group for including it
Part.
Background technology
Traditional encapsulating material EVA is the copolymer of ethylene and vinylacetate, low pole, and the introducing of vinyl acetate is similary
Crystallization and a kind of elastomer of better performances are destroyed, the transparency and elasticity are fine, but vinylacetate is containing unsaturated double
Key C=O, easy light, heat, moisture influence and decompose or aoxidize and generate xanthochromia, the generation of free acetic acid, this is traditional encapsulation
The mortal wound of material EVA, acetic acid meeting corroding electrode lead to cracking.
Traditional photovoltaic encapsulation glued membrane is EVA (ethylene-vinyl acetate copolymer) material, low with fusing point, good fluidity,
The advantages that transparency is high, and laminating technology is ripe, is the main encapsulating material of current solar double-glass assemblies, but has acetic acid in EVA systems
Presence, weatherability is poor, degradation easy to aging during the long-time service of component outdoors, influences the power of component；In addition EVA
Encapsulating material has higher steam percent of pass, and particular without the solar double-glass assemblies of edge sealing, the transmission of high steam directly affects group
The unfailing performance of part, causes power drop.
The wavelength band for the solar radiation observed on the ground is about 295~2500nm, the wave band that cell piece can utilize
About more than 400nm wavelength, the ultraviolet light less than 400nm cannot be by cell piece using generating electricity, and traditional encapsulating material is not
Ultraviolet light can be utilized, it is impossible to increase the output power of component.
This field needs to develop a kind of photovoltaic module encapsulated layer, with good block-water performance, and can improve institute
State the electricity conversion of photovoltaic module.
Invention content
The purpose of the present invention is to provide a kind of photovoltaic component encapsulating film, the encapsulating film includes polyolefin elastomer base
Material and the rare earth organic light conversion agents being scattered in the polyolefin elastomer base material；The melt index of the polyolefine material
For 3~30g/10min, for example, 4g/10min, 6g/10min, 14g/10min, 16g/10min, 17g/10min, 19g/10min,
21g/10min, 24g/10min, 25g/10min, 27g/10min, 28g/10min, 29g/10min etc..
The present invention with polyolefin elastomer (POE) be base material, inside do not contain acetic acid, weather resistance is excellent；POE polyenes
The elastomer that hydrocarbon is obtained using metallic catalyst realization ethylene with other alpha-olefine polymerizings, without polar chemical key, block-water performance
It is excellent；In addition, the present invention in polyolefin elastomer base material add in rare earth organic light conversion agents can absorb 97% or so 200~
The ultraviolet light of 400nm, and it is 400~1100nm visible rays that cell piece uses to be converted into, to increase the work(of component
Rate exports.
The polyolefin elastomer of particular melt index (3~30g/10min) is conducive to uniformly dividing for rare earth organic light conversion agents
It dissipates.
Select POE polyolefin encapsulating materials, melt index be 3~30g/10min, POE polyolefin encapsulating material water absorption rates
Low, water vapor transmittance is low, has higher reliability to component；Good insulating, the volume resistivity of traditional EVA encapsulating materials is about
It is 1015~1016Ω × cm, and POE encapsulating materials are about 1016~1017Ω × cm, electric property are more preferable；No acidic release, it is resistance to
It is more superior to wait performance；POE polyolefin occupy more than advantage, during component use, POE polyolefin encapsulating material agings
It has excellent performance, the power attenuation of component will not be caused because of the too fast aging of encapsulating material, POE polyolefin is after component
The output power of component can effectively be increased during phase use.
The present invention can will cannot be converted into using rare earth organic light conversion agents by the ultraviolet light that photovoltaic cell is absorbed and utilized
The visible ray that can be utilized by photovoltaic cell, to improve the initial output power of component.
Preferably, the rare earth organic light conversion agents account for 0.1~0.5wt% of polyolefin elastomer, such as 0.2%,
0.3%th, 0.4% etc..
The additive amount of the rare earth organic light conversion agents can to the greatest extent convert ultraviolet light in 0.1~0.5wt%
For visible ray, utilized by photovoltaic device；And the addition of too many rare earth organic light conversion agents is unfavorable for it and uniformly disperses, and influences reliable
Property, glued membrane xanthochromia can be caused.
Preferably, the rare earth organic light conversion agents have the structure of formula (1)：
In formula (1), R is arbitrary a kind in thia cyclic group, preferably thienyl；X is rare earth metal, preferably europium (Eu), lanthanum
(La), arbitrary a kind in gadolinium (Gd).
Preferably, the rare earth organic light conversion agents include Eu- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex, La-
Appointing in α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex and Gd- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex
The combination of a kind or at least two kinds of of meaning.
Increase Eu- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex or La- α-thiophene trifluoroacetylacetone (TFA)-neighbour is luxuriant and rich with fragrance
Sieve quinoline complex or Gd- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex class rare earth organic light conversion agents, can improve component
Power is about 1%-2%, and the structure of terres rares organic light conversion agents is similar with lower structure：
As optimal technical scheme, the encapsulating film includes following component in parts by weight：
100 parts by weight of polyolefin elastomer base material
0.8~1.6 parts by weight of crosslinking agent
0.2~0.5 parts by weight of light stabilizer
0.1~0.5 parts by weight of coupling agent
0.1~0.5 parts by weight of antioxidant
0.1~0.5 parts by weight of rare earth organic light conversion agents.
Preferably, the polyolefin elastomer includesAnd/orWherein, it is 1000~10000 that x, which is 1000~10000, y,.
Preferably, the polyolefin elastic body resistivity is 1016~1017Ω × cm, such as 0.1 × 1017Ω×cm、0.2
×1017Ω×cm、0.3×1017Ω×cm、0.4×1017Ω×cm、0.5×1017Ω×cm、0.6×1017Ω×cm、0.7
×1017Ω×cm、0.8×1017Ω×cm、0.9×1017Ω × cm etc..
Preferably, the crosslinking agent includes the first crosslinking agent and the second crosslinking agent；
First crosslinking agent includes two (tertiary butyl of the peroxidating 2 ethyl hexanoic acid tert-butyl ester and/or 2,5- dimethyl -2,5-
Peroxy) hexane；
Second crosslinking agent includes Triallyl isocyanurate and/or trimethylol-propane trimethacrylate.
Two kinds of crosslinking agents are used cooperatively, and can be more advantageous to polyolefin elastomer and be formed fine and close polymer, improve envelope
Fill the mechanical property of film.
Preferably, the adding proportion of first crosslinking agent is 0.5~0.5wt% of polyolefin elastomer base material.
Preferably, the adding proportion of second crosslinking agent is 0.3~0.8wt% of polyolefin elastomer base material.
Preferably, the light stabilizer includes double -2,2,6, the 6- tetramethyl piperidine alcohol esters of decanedioic acid.
Preferably, the coupling agent includes γ-(methacryloxypropyl) propyl trimethoxy silicane.
Preferably, the antioxidant includes four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
As optimal technical scheme, the encapsulating film includes following component in parts by weight：
100 parts by weight
0.5~0.8 parts by weight of the peroxidating 2 ethyl hexanoic acid tert-butyl ester
0.3~0.8 parts by weight of Triallyl isocyanurate
Double 0.2~0.5 parts by weight of -2,2,6,6- tetramethyl piperidines alcohol ester of decanedioic acid
γ -0.1~0.5 parts by weight of (methacryloxypropyl) propyl trimethoxy silicane
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 0.1~0.5 parts by weight
Eu- α-thiophene trifluoroacetylacetone (TFA) -0.1~0.5 parts by weight of phenanthroline complex.
The preparation method of encapsulating film of the present invention may be used the prior art and obtain, and can directly be made using photovoltaic industry
Extrusion the tape casting is processed.
The two of the object of the invention are to provide a kind of photovoltaic module, and the photovoltaic module includes the photovoltaic group described in the first purpose
Part encapsulating film.
Compared with prior art, the invention has the advantages that：
The present invention is base material using POE polyolefin elastomers, is non-polar polymer, is saturated structures, no double bond, resistance to
It waits, have apparent advantage, and add rare earth organic light conversion agents in terms of color inhibition and water vapor transmittance, insulating properties, can incite somebody to action
Ultraviolet light of the wavelength less than 400nm is converted into the visible ray that wavelength is more than 400nm, increases the output power of component.Use rare earth
Organic light conversion agents can will cannot be converted into what can be utilized by photovoltaic cell by the ultraviolet light that photovoltaic cell is absorbed and utilized
Visible ray, to improve the initial output power of component.By rare earth organic light conversion agents and with particular melt index POE polyolefin
Elastomer coordinates, and can obtain the dispersion effect of preferable rare earth organic light conversion agents, further improves the photoelectric conversion effect of device
Rate；And the addition of rare earth organic light conversion agents does not influence the block-water effect after POE polyolefin elastomer polymerization film formations.
Specific embodiment
The technical solution further illustrated the present invention below by specific embodiment.
Those skilled in the art it will be clearly understood that the embodiment be only to aid in understand the present invention, be not construed as to this hair
Bright concrete restriction.
Embodiment 1
A kind of encapsulating film, including following component：
100 parts by weight of polyolefin elastomer base material
First crosslinking agent, 0.6 parts by weight
Second crosslinking agent, 0.6 parts by weight
Double 0.3 parts by weight of -2,2,6,6- tetramethyl piperidines alcohol ester of decanedioic acid
γ -0.4 parts by weight of (methacryloxypropyl) propyl trimethoxy silicane
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 0.4 parts by weight
0.3 parts by weight of rare earth organic light conversion agents；
The polyolefin elastomer base material isX for 1000~
10000, y be 1000~10000, resistivity 1016~1017Ω × cm, melt index 20g/10min；
First crosslinking agent is the peroxidating 2 ethyl hexanoic acid tert-butyl ester；
Second crosslinking agent is Triallyl isocyanurate；
The rare earth organic light conversion agents are Eu- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex；
Preparation method：By each component of the encapsulating film, Screw Extrusion post-calendering obtains encapsulating film after mixing.
Embodiment 2
With embodiment 1 difference lies in：
The polyolefin elastomer base material isX is 1000~10000,
Y is 1000~10000, resistivity 1016~1017Ω × cm, melt index 10g/10min；
First crosslinking agent is 2,5- dimethyl -2,5- two (t-butylperoxy) hexane；
Second crosslinking agent is trimethylol-propane trimethacrylate；
The rare earth organic light conversion agents are Gd- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex.
Embodiment 3
With embodiment 1 difference lies in：
The encapsulating film includes following component in parts by weight：
100 parts by weight of polyolefin elastomer base material
First crosslinking agent, 0.5 parts by weight
Second crosslinking agent, 0.8 parts by weight
Double 0.2 parts by weight of -2,2,6,6- tetramethyl piperidines alcohol ester of decanedioic acid
γ -0.5 parts by weight of (methacryloxypropyl) propyl trimethoxy silicane
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 0.1 parts by weight
0.5 parts by weight of rare earth organic light conversion agents；
The polyolefin elastomer base material isX is 1000-
10000, y 1000-10000；Its resistivity is 1016~1017Ω × cm, melt index 30g/10min.
Embodiment 4
With embodiment 1 difference lies in：
The encapsulating film includes following component in parts by weight：
100 parts by weight of polyolefin elastomer base material
First crosslinking agent, 0.8 parts by weight
Second crosslinking agent, 0.3 parts by weight
Double 0.5 parts by weight of -2,2,6,6- tetramethyl piperidines alcohol ester of decanedioic acid
γ -0.1 parts by weight of (methacryloxypropyl) propyl trimethoxy silicane
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 0.5 parts by weight
0.1 parts by weight of rare earth organic light conversion agents.
Embodiment 5
Difference lies in the polyolefin elastomer base material is with embodiment 1
X is that 1000~10000, y is 1000~10000, resistivity 1016~1017Ω × cm, melt index 3.6g/10min.
Comparative example 1
Difference lies in the addition of rare earth organic light conversion agents is 0.6 parts by weight with embodiment 1.
Comparative example 2
Difference lies in the addition of rare earth organic light conversion agents is 0.05 parts by weight with embodiment 1.
Comparative example 3
Difference lies in the polyolefin elastomer base material is with embodiment 1
X is that 1000~10000, y is 1000~10000, resistivity 1016~1017Ω × cm, melt index 2.5g/10min.
Comparative example 4
Difference lies in the polyolefin elastomer base material is with embodiment 1
X is that 1000~10000, y is 1000~10000, resistivity 1016~1017Ω × cm, melt index 36g/10min.
Performance test
By a photovoltaic module, there is 5 grid PERC monocrystalline, 72 chip architecture, the method for covering following examples 1~5 thereon
Obtained encapsulating film.By obtained photovoltaic module progress water preventing ability, the measure of component power, assay method Q/ICFCI-
2003、IEC-62804；
Test result see the table below：
| Water preventing ability 0.5mm (g/m2·day) | Component power | |
| Embodiment 1 | 2.8 | 298.9 |
| Embodiment 2 | 3.6 | 301.9 |
| Embodiment 3 | 1.9 | 303.1 |
| Embodiment 4 | 2.6 | 302.4 |
| Embodiment 5 | 2.7 | 300.4 |
| Comparative example 1 | 21.6 | 296.7 |
| Comparative example 2 | 20.8 | 294.9 |
| Comparative example 3 | 21.5 | 297.3 |
| Comparative example 4 | 22.1 | 296.3 |
Applicant states that the present invention illustrates the process of the present invention, but not office of the invention by above-described embodiment
It is limited to above-mentioned processing step, that is, does not mean that the present invention has to rely on above-mentioned processing step and could implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to raw material selected by the present invention
Addition, selection of concrete mode etc., all fall within protection scope of the present invention and the open scope.
Claims (10)
1. a kind of photovoltaic component encapsulating film, which is characterized in that the encapsulating film includes polyolefin elastomer base material and is scattered in
Rare earth organic light conversion agents in the polyolefin elastomer base material；
The melt index of the polyolefine material is 3~30g/10min.
2. photovoltaic component encapsulating film as described in claim 1, which is characterized in that the rare earth organic light conversion agents account for polyolefin bullet
0.1~0.5wt% of property body；
Preferably, the rare earth organic light conversion agents have the structure of formula (1)：
In formula (1), R is arbitrary a kind in thia cyclic group, preferably thienyl；X is rare earth metal, preferably europium (Eu), lanthanum
(La), arbitrary a kind in gadolinium (Gd).
3. photovoltaic component encapsulating film as claimed in claim 1 or 2, which is characterized in that the rare earth organic light conversion agents include Eu-
α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex, La- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex and Gd- α-
Arbitrary a kind or at least two kinds of of combination in thiophene trifluoroacetylacetone (TFA)-phenanthroline complex.
4. the photovoltaic component encapsulating film as described in one of claims 1 to 3, which is characterized in that the encapsulating film is in parts by weight
Including following component：
100 parts by weight of polyolefin elastomer base material
0.8~1.6 parts by weight of crosslinking agent
0.2~0.5 parts by weight of light stabilizer
0.1~0.5 parts by weight of coupling agent
0.1~0.5 parts by weight of antioxidant
0.1~0.5 parts by weight of rare earth organic light conversion agents.
5. photovoltaic component encapsulating film as claimed in claim 4, which is characterized in that the polyolefin elastomer includes
Wherein, it is 1000~10000 that x, which is 1000~10000, y,；
Preferably, the polyolefin elastic body resistivity is 1016~1017Ω×cm。
6. photovoltaic component encapsulating film as described in claim 4 or 5, which is characterized in that the crosslinking agent includes the first crosslinking agent
With the second crosslinking agent；
First crosslinking agent includes two (t-butyl peroxy of the peroxidating 2 ethyl hexanoic acid tert-butyl ester and/or 2,5- dimethyl -2,5-
Base) hexane；
Second crosslinking agent includes Triallyl isocyanurate and/or trimethylol-propane trimethacrylate.
7. photovoltaic component encapsulating film as claimed in claim 6, which is characterized in that the adding proportion of first crosslinking agent is poly-
0.5~0.5wt% of olefin elastomer base material；
Preferably, the adding proportion of second crosslinking agent is 0.3~0.8wt% of polyolefin elastomer base material.
8. the photovoltaic component encapsulating film as described in one of claim 4~7, which is characterized in that the light stabilizer includes the last of the ten Heavenly stems two
Sour double -2,2,6,6- tetramethyl piperidine alcohol esters；
Preferably, the coupling agent includes γ-(methacryloxypropyl) propyl trimethoxy silicane；
Preferably, the antioxidant includes four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
9. the photovoltaic component encapsulating film as described in one of claim 4~8, which is characterized in that the encapsulating film is in parts by weight
Including following component：
100 parts by weight
0.5~0.8 parts by weight of the peroxidating 2 ethyl hexanoic acid tert-butyl ester
0.3~0.8 parts by weight of Triallyl isocyanurate
Double 0.2~0.5 parts by weight of -2,2,6,6- tetramethyl piperidines alcohol ester of decanedioic acid
γ -0.1~0.5 parts by weight of (methacryloxypropyl) propyl trimethoxy silicane
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 0.1~0.5 parts by weight
Eu- α-thiophene trifluoroacetylacetone (TFA) -0.1~0.5 parts by weight of phenanthroline complex.
10. a kind of photovoltaic module, which is characterized in that the photovoltaic module includes the photovoltaic module described in one of claim 1~9
Encapsulating film.
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Cited By (1)
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| CN110628335A (en) * | 2019-09-10 | 2019-12-31 | 昆山天洋热熔胶有限公司 | Energy storage type POE photovoltaic packaging adhesive film and preparation method thereof |
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