CN102352067B - EVA (ethylene-vinyl acetate) for enhancing efficiency of solar module - Google Patents
EVA (ethylene-vinyl acetate) for enhancing efficiency of solar module Download PDFInfo
- Publication number
- CN102352067B CN102352067B CN 201110361547 CN201110361547A CN102352067B CN 102352067 B CN102352067 B CN 102352067B CN 201110361547 CN201110361547 CN 201110361547 CN 201110361547 A CN201110361547 A CN 201110361547A CN 102352067 B CN102352067 B CN 102352067B
- Authority
- CN
- China
- Prior art keywords
- eva
- solar components
- butyl
- tert
- improving solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000005038 ethylene vinyl acetate Substances 0.000 title abstract description 46
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title abstract description 46
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title abstract description 13
- 230000002708 enhancing effect Effects 0.000 title abstract 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
- -1 phosphorous acid ester Chemical class 0.000 claims description 18
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 14
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 10
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- 229950002083 octabenzone Drugs 0.000 claims description 7
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 235000019260 propionic acid Nutrition 0.000 claims description 5
- 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 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 4
- GPOGLVDBOFRHDV-UHFFFAOYSA-N (2-nonylphenyl) dihydrogen phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(O)O GPOGLVDBOFRHDV-UHFFFAOYSA-N 0.000 claims description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- YEYQUBZGSWAPGE-UHFFFAOYSA-N 1,2-di(nonyl)benzene Chemical compound CCCCCCCCCC1=CC=CC=C1CCCCCCCCC YEYQUBZGSWAPGE-UHFFFAOYSA-N 0.000 claims description 3
- NOSXUFXBUISMPR-UHFFFAOYSA-N 1-tert-butylperoxyhexane Chemical class CCCCCCOOC(C)(C)C NOSXUFXBUISMPR-UHFFFAOYSA-N 0.000 claims description 3
- OCSIKZYSDOXRPA-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)-3-octadecylhenicosane-1,3-diol dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.C(CCCCCCCCCCCCCCCCC)C(O)(C(CO)(CO)CO)CCCCCCCCCCCCCCCCCC OCSIKZYSDOXRPA-UHFFFAOYSA-N 0.000 claims description 3
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 3
- 150000005690 diesters Chemical class 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 3
- GLDOVTGHNKAZLK-UHFFFAOYSA-N n-octadecyl alcohol Natural products CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 3
- LIXVMPBOGDCSRM-UHFFFAOYSA-N nonylbenzene Chemical compound CCCCCCCCCC1=CC=CC=C1 LIXVMPBOGDCSRM-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229940059574 pentaerithrityl Drugs 0.000 claims description 3
- 150000003053 piperidines Chemical class 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- PYOLJOJPIPCRDP-UHFFFAOYSA-N 1,1,3-trimethylcyclohexane Chemical compound CC1CCCC(C)(C)C1 PYOLJOJPIPCRDP-UHFFFAOYSA-N 0.000 claims description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical group [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims description 2
- UQNCVOXEVRELFR-UHFFFAOYSA-N aminopropylone Chemical compound O=C1C(NC(=O)C(N(C)C)C)=C(C)N(C)N1C1=CC=CC=C1 UQNCVOXEVRELFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002313 adhesive film Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- FANGQVKSFHFPBY-UHFFFAOYSA-N 2-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound OC(=O)C(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 FANGQVKSFHFPBY-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- 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
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an EVA (ethylene-vinyl acetate) for enhancing efficiency of a solar module. The EVA is packaged between glass and cell plate in the solar module, i.e. applied to the upper EVA adhesive film. The EVA is prepared by adding a novel ultraviolet absorber and other components into the main component EVA; the EVA has favorable absorption property for ultraviolet light of which the wavelength range is 345-380nm; and the incident light of the upper EVA adhesive film and the light reflected onto the cell plate are enhanced in the module, thereby enhancing the photoelectric conversion efficiency of the cell plate.
Description
Technical field
The present invention relates to a kind of EVA that solar components is used that encapsulates, refer more particularly to a kind of EVA that cell piece is improved solar components efficient in the spectral response of the effective wave band of ultraviolet region by changing EVA.
Background technology
Current, the lasting use of conventional energy resources has brought a series of economy and the social concerns such as energy scarcity and environmental degradation, in general, conventional energy resources refers to technical comparative maturity and the energy that has been utilized on a large scale, and new forms of energy typically refer to not yet on a large scale the energy that utilizes, just developing in active research.Therefore, coal, oil, Sweet natural gas and big-and-middle-sized water power all are counted as conventional energy resources, and the free of contamination green energy resource that sun power utilizes just at present on a large scale, countries in the world are all at the active development solar module, and high conversion efficiency, low cost are the main trend of solar module development, also are the targets that technical study person pursues.
The material of the EVA of traditional solar components encapsulation usefulness is ethene-vinyl acetate fat, polyolefine, and Polyurethane etc., it all is that the ultraviolet aging resistance performance is high, the ultraviolet wavelength section was ended before 380nm.And dynamical solar battery sheet is very high to the response of ultraviolet band (280-400nm) photoelectric transformation efficiency, and solar components spectral simulation device effective wavelength section is between the 345-1100nm, therefore we consider that on the one hand ultraviolet ray on the impact of component internal material aging performance, can effectively utilize the light of the effective wave band of this a part of UV-light between the 345-380nm on the other hand.
Solar components inside is provided with EVA, cell piece, welding, backboard is because cell piece and welding all are inorganic materials, therefore directly the ultraviolet light irradiation there is no burn-in effects to it, because backboard is to be made of polymer composite mostly, is subject to easily UV-light and causes photodegradation, cause molecular weight to reduce, darken the intensity step-down.So must stop direct ultraviolet light and aging irradiation, therefore, how to utilize effectively that the EVA between glass and cell piece is the UV-light between 345-380nm to wavelength in the solar components, the photoelectric transformation efficiency that further improves solar components is the technical barrier that invention faces.
Summary of the invention
The objective of the invention is for improving the efficient of solar components, a kind of novel EVA glued membrane is proposed, it is applied in the solar components between glass and cell piece sensitive surface, to pass through changing EVA to the spectral response of cell piece at the effective wave band of ultraviolet region, strengthen the incident light on EVA surface and reflex to and on glassly return reflected light on the cell piece from glass-reflected again, with further lifting cell piece photoelectric transformation efficiency.
For achieving the above object, the present invention proposes following technical scheme: a kind of EVA for improving solar components efficient is characterized in that: described EVA is become by the preparation of raw material of following weight part proportioning:
Wherein, described ultraviolet absorbers is mixed by ESCALOL 567 and Octabenzone.
Described oxidation inhibitor is that following one or more mixing match form: three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, distearyl tetramethylolmethane diphosphorous acid fat, [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the β-positive octadecanol ester of (4-hydroxyl-3,5 di-tert-butyl-phenyl) propionic acid, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), three (nonyl phenyl) phosphite.
Described linking agent is superoxide, and it is by being selected from 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 1,1-(two tert-butyl peroxide) 3,3,5-trimethyl-cyclohexane, one or more that reach in the t-butyl peroxy 2-ethylhexyl carbonic ether mix.
Described photostabilizer is for being selected from two (the 1-octyloxies-2 of hindered amines, 2,6,6-tetramethyl--4-piperidyl) last of the ten Heavenly stems diester, two (2,2,6,6-tetramethyl--4-piperidyl) sebate, and poly-succinic (4 hydroxyls-2,2,6,6-tetramethyl--1 piperidines ethanol fat) one or more in mix.
ESCALOL 567 maximum absorption wavelength scope in the described ultraviolet absorbers is 280-340nm, and its optimum weight part proportioning is 0.1-0.25 part.
The absorbing wavelength scope of the Octabenzone in the described ultraviolet absorbers is 270-330nm, and its optimum weight part proportioning is 0.1-0.25 part.
Described silane coupling agent is for being selected from γ-aminopropyl triethoxysilane (KH-550), γ-glycidyl ether oxygen propyl trimethoxy silicane, vinyltriethoxysilane, the 3-aminopropyl trimethoxysilane, and one or more mixing match in the vinyltrimethoxy silane form.
What the weight in the described titanium dioxide was counted 10%-50% is rutile-type, and the particle diameter of titanium dioxide is 100-400nm.
Described EVA is applied on the upper strata EVA glued membrane in the solar components.
Compared with prior art, after being packaged in upper strata EVA in the solar components and adopting the EVA that the present invention proposes, it has the following advantages:
The first, can take full advantage of solar spectral simulator wavelength is UV-light between the 345-380nm, even cell piece is that UV-light between 345-380nm is able to sufficient absorption to wavelength, promoted the photoelectric transformation efficiency of the common class cell piece of sun power and high-effect battery sheet, the present invention can make the CTM (Cell to Module, the packaging efficiency of assembly) of assembly promote 0.3-1% and not wait.
The second, by adding special material titanium dioxide, under the certain condition of EVA transmittance, can strengthen the reflection of incident beam, thereby improve the efficient light of returning from reflection of glass surface, further improve the photoelectric transformation efficiency of solar cell.
Description of drawings
Fig. 1 is the front view of solar components;
Fig. 2 adopts the vertical view of the solar components of EVA encapsulation of the present invention;
Fig. 3 is incident beam light re-using figure after EVA reflection in upper strata of the present invention;
Fig. 4 is the light whereabouts figure of incident light after traditional upper strata EVA reflection.
Embodiment
Below in conjunction with accompanying drawing of the present invention, the technical scheme in the preferred embodiment of the present invention is carried out clear, complete description.
As shown in Figure 1, 2, 3, the disclosed Novel EVA that is used for improving solar components efficient, it is applied in the solar components between glass and cell piece, it is the cell piece sensitive side, described solar components comprises glass 1, upper strata EVA glued membrane 2, cell piece 3, the EVA of lower floor glued membrane 4 and backboard 5 from top to bottom successively, and in addition, assembly also comprises terminal box 6, be welded in the bus-bar 8 of 3 of cell pieces, and the frame 7 that is coated on the assembly periphery.Disclosed Novel EVA is the sensitive side that is encapsulated in 3 of glass and cell pieces, i.e. upper strata EVA glued membrane 2.
Specifically, the EVA that disclosed being used for improves solar components efficient comes by improvement processing formula and technique at main raw ethene-vinyl acetate fat, and its raw material by following weight part proportioning is made:
1) 100 parts ethene-vinyl acetate fat;
2) 0.5-1.2 part oxidation inhibitor;
3) 0.3-1.2 part linking agent;
4) 0.05-0.20 part photostabilizer;
5) 0.1-0.5 part ultraviolet absorbers;
6) 0.5-1.5 part silane coupling agent;
7) 0.05-1 part titanium dioxide.
Wherein, described antioxidant is divided into hindered phenol type antioxidant and phosphite kind antioxidant, described oxidation inhibitor is specially following one or more mixing match and forms: three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, distearyl tetramethylolmethane diphosphorous acid fat, [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(4-hydroxyl-3,5 di-tert-butyl-phenyls) the positive octadecanol ester of propionic acid, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), three (nonyl phenyl) phosphite.
Described linking agent is mainly peroxide, described linking agent is specially following one or more mixing match and forms: 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 1,1-(two tert-butyl peroxide) 3,3, the 5-trimethyl-cyclohexane, t-butyl peroxy 2-ethylhexyl carbonic ether.
Described photostabilizer is by two (the 1-octyloxies-2 of hindered amines, 2,6,6-tetramethyl--4-piperidyl) last of the ten Heavenly stems diester, two (2,2,6,6-tetramethyl--4-piperidyl) sebate, and poly-succinic (4 hydroxyls-2,2,6,6-tetramethyl--1 piperidines ethanol fat) one or several in mix.
Described ultraviolet absorbers is mixed by ESCALOL 567 and 2 kinds of compositions of Octabenzone, and the characteristic of ESCALOL 567 used in the present invention and Octabenzone 2 is respectively:
The ESCALOL 567 performance is white crystalline powder, and density is 1.324g/cm3,62～66 ℃ of fusing points, 150～160 ℃ of boiling points (0.67kPa), 220 ℃ (2.4kPa).Be dissolved in most of organic solvents such as ethylene vinyl acetate, water insoluble.This product maximum absorption wavelength scope is 280-340nm, and Heat stability is good just begins when temperature is added to 200 ℃ to decompose; Absorb hardly visible light.Its optimum amount is 0.1-0.25 part among the present invention.
Octabenzone is white crystalline powder, and density is 1.160g/cm3, and 48～49 ℃ of fusing points are dissolved in most of organic solvents such as ethylene vinyl acetate, and are water insoluble.Its consumingly absorbing wavelength be the ultraviolet ray of 270-330nm, can be used for various polyolefine, polyester, the materials such as ethylene-vinyl acetate fat, volatility is little.Optimum amount among the present invention is 0.1-0.25 part.
Described silane coupling agent is tackifier, by γ-aminopropyl triethoxysilane (KH-550), γ-glycidyl ether oxygen propyl trimethoxy silicane, vinyltriethoxysilane, the 3-aminopropyl trimethoxysilane), one or more mixing match that reach in the vinyltrimethoxy silane form.
What weight was counted 10%-50% in the described titanium dioxide is rutile-type, and particle diameter is between the 100-400nm.White titania powder of the present invention has 2 advantages:
1) be that UV-light between 220-330nm produces Intrinsic Gettering to wavelength; Because wavelength is the pet layer (macromolecular material) that this section UV-light between 220-330nm can strong destruction backboard, causes its xanthochromia, thereby uses white titania powder that wavelength period is the ultraviolet absorption between the 220-330nm.
2) in the certain situation of material transmittance, add titanium dioxide and can strengthen the reflection of incident beam, thereby improved the efficient light of returning from reflection of glass surface, further improved the photoelectric transformation efficiency of solar cell.
Be depicted as the reflected light whereabouts figure that upper strata EVA glued membrane in the solar components adopts respectively EVA of the present invention and traditional E VA such as Fig. 3,4, as can be seen from Figure 3, the incident light that shines the upper strata EVA glued membrane that adopts EVA material of the present invention reflexes to through upper strata EVA and returns on the cell piece from glass-reflected after on glass again, and the incident light that shines the upper strata EVA glued membrane that adopts traditional EVA material does not pass through the reflection of glass again and directly scatters on the cell piece, thereby has improved the solar components photoelectric transformation efficiency.
Technology contents of the present invention and technical characterictic have disclosed as above; yet those of ordinary skill in the art still may be based on teaching of the present invention and announcements and are done all replacement and modifications that does not deviate from spirit of the present invention; therefore; protection domain of the present invention should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present invention and modifications, and contained by the present patent application claim.
Claims (8)
1. EVA who be used for to improve solar components efficient, it is characterized in that: described EVA is become by the preparation of raw material of following weight part proportioning:
Wherein, described ultraviolet absorbers is mixed by ESCALOL 567 and Octabenzone; What the weight in the described titanium dioxide was counted 10%-50% is rutile-type, and the particle diameter of titanium dioxide is 100-400nm.
2. the EVA for improving solar components efficient according to claim 1, it is characterized in that: described oxidation inhibitor is for being selected from three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, distearyl tetramethylolmethane diphosphorous acid fat, [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(4-hydroxyl-3,5 di-tert-butyl-phenyls) the positive octadecanol ester of propionic acid, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), one or more that reach in three (nonyl phenyl) phosphite mix.
3. the EVA for improving solar components efficient according to claim 2, it is characterized in that: described linking agent is superoxide, it is by being selected from 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 1,1-(two tert-butyl peroxide) 3,3,5-trimethyl-cyclohexane, one or more that reach in the t-butyl peroxy 2-ethylhexyl carbonic ether mix.
4. the EVA for improving solar components efficient according to claim 1, it is characterized in that: described photostabilizer is for being selected from hindered amines pair (1-octyloxies-2,2,6,6-tetramethyl--4-piperidyl) last of the ten Heavenly stems diester, two (2,2,6,6-tetramethyl--4-piperidyl) sebate, and poly-succinic (4 hydroxyls-2,2,6,6-tetramethyl--1 piperidines ethanol fat) one or more in mix.
5. the EVA for improving solar components efficient according to claim 1, it is characterized in that: the absorbing wavelength scope of described ESCALOL 567 is 280-340nm, its optimum weight part proportioning is 0.1-0.25 part.
6. the EVA for improving solar components efficient according to claim 1, it is characterized in that: the absorbing wavelength scope of described Octabenzone is 270-330nm, its optimum weight part proportioning is 0.1-0.25 part.
7. the EVA for improving solar components efficient according to claim 1, it is characterized in that: described silane coupling agent is for being selected from γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, vinyltriethoxysilane, the 3-aminopropyl trimethoxysilane, and one or more mixing match in the vinyltrimethoxy silane form.
8. according to claim 1 to the described EVA for improving solar components efficient of 7 any one, it is characterized in that: described EVA is arranged in the sensitive side of solar components cell piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110361547 CN102352067B (en) | 2011-11-15 | 2011-11-15 | EVA (ethylene-vinyl acetate) for enhancing efficiency of solar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110361547 CN102352067B (en) | 2011-11-15 | 2011-11-15 | EVA (ethylene-vinyl acetate) for enhancing efficiency of solar module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102352067A CN102352067A (en) | 2012-02-15 |
| CN102352067B true CN102352067B (en) | 2013-04-10 |
Family
ID=45575724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110361547 Expired - Fee Related CN102352067B (en) | 2011-11-15 | 2011-11-15 | EVA (ethylene-vinyl acetate) for enhancing efficiency of solar module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102352067B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014146317A1 (en) * | 2013-03-22 | 2014-09-25 | 韩华新能源（启东）有限公司 | Novel photovoltaic module |
| CN104419333A (en) * | 2013-08-21 | 2015-03-18 | 晶科能源有限公司 | Solar cell module and packaging film thereof |
| CN103642117B (en) * | 2013-12-04 | 2016-04-13 | 苏州泰科尼光伏材料有限公司 | EVA adhesive film of solar cell package and preparation method thereof |
| CN105802548B (en) * | 2016-05-27 | 2017-10-31 | 苏州度辰新材料有限公司 | A kind of white packaging adhesive film for being used for double glass photovoltaic modulies and preparation method thereof |
| CN107286449A (en) * | 2017-05-18 | 2017-10-24 | 江苏东昇光伏科技有限公司 | A kind of EVA material used for solar batteries and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091901A2 (en) * | 2003-04-11 | 2004-10-28 | Madico, Inc. | Bright white protective laminates |
| CN101037584A (en) * | 2007-04-25 | 2007-09-19 | 周均华 | Solar energy battery back board packaging material and preparation method thereof |
| CN101626039A (en) * | 2009-07-27 | 2010-01-13 | 江阴爱康太阳能器材有限公司 | Solar cell packaging EVA adhesive film capable of resisting heat, humidity, ultraviolet light and aging |
| CN101921425A (en) * | 2010-08-30 | 2010-12-22 | 苏州度辰新材料有限公司 | Ethylene vinyl acetate adhesive film and solar battery assembly |
| CN102115643A (en) * | 2010-12-31 | 2011-07-06 | 广州鹿山新材料股份有限公司 | Novel solar cell packaging adhesive film |
| CN102115642A (en) * | 2010-12-31 | 2011-07-06 | 广州鹿山新材料股份有限公司 | EVA (ethylene vinyl-acetate copolymer) adhesive film capable of simplifying packaging structure of solar battery |
| CN102303437A (en) * | 2011-06-27 | 2012-01-04 | 杭州信丰新能源科技有限公司 | Solar cell package protecting film and preparation method thereof |
| CN102329596A (en) * | 2010-08-16 | 2012-01-25 | 无锡中阳新能源科技有限公司 | High-thermal conductivity insulating packaging material for solar thermoelectricity utilization and preparation method thereof |
| CN102433077A (en) * | 2011-10-11 | 2012-05-02 | 宁波威克丽特功能塑料有限公司 | Ethylene vinyl acetate (EVA) adhesive film for solar cell and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080264484A1 (en) * | 2007-02-16 | 2008-10-30 | Marina Temchenko | Backing sheet for photovoltaic modules and method for repairing same |
-
2011
- 2011-11-15 CN CN 201110361547 patent/CN102352067B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091901A2 (en) * | 2003-04-11 | 2004-10-28 | Madico, Inc. | Bright white protective laminates |
| CN101037584A (en) * | 2007-04-25 | 2007-09-19 | 周均华 | Solar energy battery back board packaging material and preparation method thereof |
| CN101626039A (en) * | 2009-07-27 | 2010-01-13 | 江阴爱康太阳能器材有限公司 | Solar cell packaging EVA adhesive film capable of resisting heat, humidity, ultraviolet light and aging |
| CN102329596A (en) * | 2010-08-16 | 2012-01-25 | 无锡中阳新能源科技有限公司 | High-thermal conductivity insulating packaging material for solar thermoelectricity utilization and preparation method thereof |
| CN101921425A (en) * | 2010-08-30 | 2010-12-22 | 苏州度辰新材料有限公司 | Ethylene vinyl acetate adhesive film and solar battery assembly |
| CN102115643A (en) * | 2010-12-31 | 2011-07-06 | 广州鹿山新材料股份有限公司 | Novel solar cell packaging adhesive film |
| CN102115642A (en) * | 2010-12-31 | 2011-07-06 | 广州鹿山新材料股份有限公司 | EVA (ethylene vinyl-acetate copolymer) adhesive film capable of simplifying packaging structure of solar battery |
| CN102303437A (en) * | 2011-06-27 | 2012-01-04 | 杭州信丰新能源科技有限公司 | Solar cell package protecting film and preparation method thereof |
| CN102433077A (en) * | 2011-10-11 | 2012-05-02 | 宁波威克丽特功能塑料有限公司 | Ethylene vinyl acetate (EVA) adhesive film for solar cell and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102352067A (en) | 2012-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102352067B (en) | EVA (ethylene-vinyl acetate) for enhancing efficiency of solar module | |
| CN103937418B (en) | A kind of high reflecting rate white EVA adhesive film and preparation technology thereof | |
| CN102115642B (en) | EVA (ethylene vinyl-acetate copolymer) adhesive film capable of simplifying packaging structure of solar battery | |
| CN102732160B (en) | EVA (ethylene vinyl acetate copolymer) packaging adhesive film capable of improving light spectrum conversion efficiency of solar cell module | |
| CN108003801A (en) | A kind of light conversion POE glued membranes and its photovoltaic module of encapsulation | |
| CN103762260A (en) | Packaging adhesive film for solar cell module | |
| CN102504713A (en) | Novel ultraviolet-resistant EVA (Ethylene-Vinyl Acetate) glue film | |
| CN103087642A (en) | Solar cell packaging adhesive film and preparation method thereof | |
| CN102533142A (en) | EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof | |
| CN202948962U (en) | Battery strip complex reflector large angle bevel encapsulated photovoltaic module | |
| CN204303836U (en) | Solar cell backboard | |
| CN201975406U (en) | Crystalline silicon solar cell component | |
| CN209087882U (en) | Photovoltaic module | |
| CN204303839U (en) | Solar cell backboard | |
| CN106566435A (en) | Up-conversion luminescent EVA photovoltaic adhesive film | |
| CN116741866A (en) | Composite adhesive film and photovoltaic module | |
| CN201416751Y (en) | Luminous photovoltaic module | |
| CN204303835U (en) | Solar cell backboard | |
| CN103107208B (en) | For the electrode isolation structure of solar module | |
| CN104103704B (en) | A kind of pair of glass photovoltaic module structure and method for packing | |
| CN111087940B (en) | Light guide composite packaging adhesive film and preparation method and application thereof | |
| CN103333622B (en) | Ethylene-vinyl acetate copolymer adhesive film and preparation method thereof | |
| JP2012191068A (en) | Solar cell module and manufacturing method therefor | |
| CN103441166B (en) | Solar module | |
| CN104241426B (en) | Anti-dazzle weather-proof composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160218 Address after: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Patentee after: CSI SOLAR POWER (CHINA) Inc. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee after: CHANGSHU TEGU NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Patentee before: CSI SOLAR POWER (CHINA) Inc. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Co-patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee after: CSI SOLAR POWER GROUP Co.,Ltd. Co-patentee after: CHANGSHU TEGU NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Co-patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee before: CSI SOLAR POWER (CHINA) Inc. Co-patentee before: CHANGSHU TEGU NEW MATERIAL TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee after: CHANGSHU TEGU NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 215129 No. 199 Lu Shan Road, Suzhou high tech Zone, Suzhou, Jiangsu Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee before: CHANGSHU TEGU NEW MATERIAL TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 |