WO2011102242A1 - 太陽電池用封止膜及びこれを用いた太陽電池 - Google Patents
太陽電池用封止膜及びこれを用いた太陽電池 Download PDFInfo
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- WO2011102242A1 WO2011102242A1 PCT/JP2011/052355 JP2011052355W WO2011102242A1 WO 2011102242 A1 WO2011102242 A1 WO 2011102242A1 JP 2011052355 W JP2011052355 W JP 2011052355W WO 2011102242 A1 WO2011102242 A1 WO 2011102242A1
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- WIPO (PCT)
- Prior art keywords
- sealing film
- solar cell
- ethylene
- mass
- parts
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- XNTUJOTWIMFEQS-UHFFFAOYSA-N octadecanoyl octadecaneperoxoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCCCCCCCC XNTUJOTWIMFEQS-UHFFFAOYSA-N 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
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- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
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- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- WYKYCHHWIJXDAO-UHFFFAOYSA-N tert-butyl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)C WYKYCHHWIJXDAO-UHFFFAOYSA-N 0.000 description 1
- JZFHXRUVMKEOFG-UHFFFAOYSA-N tert-butyl dodecaneperoxoate Chemical compound CCCCCCCCCCCC(=O)OOC(C)(C)C JZFHXRUVMKEOFG-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical class C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 description 1
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- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
- C08L23/0876—Neutralised polymers, i.e. ionomers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/14—Hemicellulose; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09K2200/0625—Polyacrylic esters or derivatives thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present invention relates to a solar cell encapsulating film comprising an ethylene-vinyl acetate copolymer as a main component, and in particular, a solar cell encapsulating film in which generation of acetic acid is suppressed in a moist heat environment and insulation is maintained.
- a solar cell encapsulating film comprising an ethylene-vinyl acetate copolymer as a main component, and in particular, a solar cell encapsulating film in which generation of acetic acid is suppressed in a moist heat environment and insulation is maintained.
- a solar cell generally has a surface side transparent protective member 11 made of a glass substrate or the like, a surface side sealing film 13A, a solar cell 14 such as a silicon crystal power generation element, a back side sealing film. 13B and the back surface side protection member (back cover) 12 are laminated in this order, and after deaeration under reduced pressure, the surface side sealing film 13A and the back surface side sealing film 13B are cross-linked and cured by heating and pressurizing, and integrated by bonding. Is manufactured.
- a plurality of solar cell cells 14 are connected and used in order to obtain a high electric output. Therefore, in order to ensure the insulation of the solar cell 14, the solar cell is sealed using the insulating sealing films 13 ⁇ / b> A and 13 ⁇ / b> B.
- thin-film solar cells such as thin-film silicon-based, thin-film amorphous silicon-based solar cells, and copper indium selenide (CIS) -based solar cells are being developed.
- a transparent substrate such as glass or polyimide substrate
- a power generation element layer such as a semiconductor layer is formed by chemical vapor deposition or the like, and a sealing film or the like is laminated thereon and bonded and integrated.
- an ethylene-polar monomer copolymer such as an ethylene vinyl acetate copolymer (hereinafter also referred to as EVA) or an ethylene ethyl acrylate copolymer (EEA) is used.
- EVA ethylene vinyl acetate copolymer
- EVA ethylene ethyl acrylate copolymer
- a film is used.
- EVA films are preferably used because they are inexpensive and have high transparency.
- the EVA film for sealing films has improved the crosslinking density using crosslinking agents, such as an organic peroxide, other than EVA, in order to improve film
- Solar cells are often used for a long period of time outdoors in high-temperature and high-humidity environments and in wind and rain.
- an EVA film when used as a sealing film, it may hydrolyze over time due to moisture or water permeation to produce acetic acid.
- Such acetic acid may come into contact with the conductors and electrodes of the internal solar battery cell to generate rust and reduce power generation efficiency.
- Patent Document 1 discloses an EVA film containing 0.5% by mass or less of acid acceptor particles having an average particle diameter of 5 ⁇ m or less as a transparent film used for a solar cell sealing film or the like.
- this transparent film for a solar cell sealing film the generation of acetic acid from EVA can be suppressed, and the durability of the solar cell can be improved.
- an object of the present invention is a solar cell encapsulating film containing an ethylene-vinyl acetate copolymer as a main component, in which the generation of acetic acid in a moist heat environment is suppressed, and a solar cell in which electrical insulation is maintained. It is providing the sealing film for batteries.
- an object of the present invention is to provide a solar cell using this sealing film.
- the above object is a solar cell sealing film containing an ethylene-vinyl acetate copolymer, a crosslinking agent, and hydrotalcite, and further having the following formula (I):
- R 1 , R 2 , and R 3 are H or CH 3 , and n is an integer of 9 to 14.
- This is achieved by the battery sealing film.
- hydrotalcite in the solar cell sealing film containing EVA as a main component, it is possible to suppress the generation of acetic acid in a moist heat environment.
- the crosslinking agent by adding the (meth) acrylate compound of the above formula (I) in the presence of the crosslinking agent, it is possible to suppress a decrease in the electrical insulation of the sealing film caused by blending hydrotalcite. This is presumably because a compound containing an ethyleneoxy group or a propyleneoxy group is firmly incorporated in the EVA crosslinked structure and ions can be captured.
- R 2 in the formula (I) is H.
- the content of the (meth) acrylate compound is 0.1 to 1.0 part by mass with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer.
- the content of the hydrotalcite is 0.1 to 1.5 parts by mass with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer.
- the crosslinking agent is an organic peroxide.
- the above object is achieved by a solar cell using the solar cell sealing film of the present invention.
- the encapsulating film for a solar cell mainly composed of an ethylene-vinyl acetate copolymer contains hydrotalcite, and the generation of acetic acid in a moist heat environment is suppressed.
- the (meth) acrylate compound of the above formula (I) in the presence of water, a decrease in electrical insulation of the sealing film caused by blending hydrotalcite is suppressed.
- the sealing film for solar cells excellent in insulation can be provided, without giving a bad influence to a photovoltaic cell in a humid heat environment.
- the solar cell sealing film of the present invention it is possible to provide a solar cell with improved durability in a moist heat environment and high power generation efficiency.
- the sealing film for solar cells of the present invention has the following formula (I) in addition to at least an ethylene-vinyl acetate copolymer, a crosslinking agent, and hydrotalcite:
- R 1 , R 2 , R 3 are H or CH 3 and n is an integer of 9 to 14
- acrylate or methacrylate Means.
- production of the acetic acid from EVA in a humid heat environment is suppressed by containing a hydrotalcite.
- compound I also referred to as “compound I” in the present invention
- the compound I has a certain number of ethyleneoxy groups or propyleneoxy groups and two carbon-carbon double bonds (—C ⁇ C—) derived from a (meth) acryloyl group. Therefore, Compound I is firmly incorporated into the crosslinked structure of the ethylene-polar monomer copolymer by two double bonds in the sealing film.
- the decrease in electrical insulation caused when hydrotalcite is blended in the sealing film is considered to be due to the movement of ions in the sealing film due to charged hydrotalcite particles.
- hydrotalcite particles can be captured by the ethyleneoxy group or propyleneoxy group.
- the compound I since the compound I is firmly incorporated in the crosslinked structure, it is considered that the movement of ions in the sealing film can be restricted and the decrease in electrical insulation can be suppressed.
- the compound I has 9 to 14 ethyleneoxy groups (—CH 2 CH 2 O— (when R 2 is H)) or propyleneoxy group (—CH (CH 3 )) as shown in the above formula I.
- the ethyleneoxy group or propyleneoxy group contributes to the suppression of the decrease in electrical insulation by the function of ionic bonding with the hydrotalcite particles. Since the steric hindrance is small and the hydrotalcite particles can be easily captured, an ethyleneoxy group (when R 2 is H) is more preferable. When the number n of these alkyleneoxy groups is smaller than 9, the capturing ability of the hydrotalcite particles is not sufficient, and the deterioration of the electrical insulating properties of the sealing film cannot be sufficiently suppressed. On the other hand, when the ratio is larger than 14, there is a problem in workability such as a decrease in compatibility with EVA.
- Compound I is firmly incorporated into the crosslinked structure of the EVA crosslinking agent by the two carbon-carbon double bonds of the (meth) acryloyl group at both terminal portions.
- a compound having a (meth) acryloyl group only at one terminal portion it is not sufficiently incorporated into the crosslinked structure, so that the movement of ions cannot be sufficiently restricted, and the decrease in electrical insulation cannot be sufficiently suppressed.
- compound I include nonaethylene glycol di (meth) acrylate, decaethylene glycol di (meth) acrylate, undecaethylene glycol di (meth) acrylate, dodecaethylene glycol di (meth) acrylate, and tridecaethylene glycol di (Meth) acrylate, polyethylene glycol di (meth) acrylate having 9 to 14 ethyleneoxy groups of tetradecaethylene glycol di (meth) acrylate, nonapropylene glycol di (meth) acrylate, decapropylene glycol di (meth) acrylate, un Decapropylene glycol di (meth) acrylate, dodecapropylene glycol di (meth) acrylate, tridecapropylene glycol di (meth) acrylate, tetradecapropylene group Propyleneoxy groups Koruji (meth) acrylate is 9-14 polypropylene glycol di (meth) acrylate. These compounds may be used alone or in combination of two or
- polyethylene glycol di (meth) acrylates having an ethyleneoxy group of 9 to 14 are preferable, nonaethylene glycol di (meth) acrylate and tetradecaethylene glycol di (meth) acrylate are more preferable, and tetradecaethylene is particularly preferable.
- Glycol di (meth) acrylate is preferred.
- the content of Compound I is preferably 0.1 to 1.0 part by mass, more preferably 0.1 to 0.5 part by mass with respect to 100 parts by mass of EVA. If the compounding amount of compound I is too small, the effect of suppressing the decrease in electrical insulation may not be sufficiently exerted, and if the compounding amount of compound I is too large, the effect of the crosslinking agent is inhibited and the crosslinking rate decreases. However, the workability may be reduced, such as being difficult to knead or kneading.
- the content of vinyl acetate in the ethylene-vinyl acetate copolymer (EVA) used in the present invention is 20 to 35 parts by mass, more preferably 22 to 30 parts by mass, especially 24 to 28 parts by mass with respect to 100 parts by mass of EVA. Is preferred.
- EVA ethylene-vinyl acetate copolymer
- the sealing film obtained is hard, so that content of the vinyl acetate unit of EVA is low. If the content of vinyl acetate is less than 20 parts by mass, the resulting sealing film may not have sufficient transparency when crosslinked and cured at high temperatures. Further, if it exceeds 35 parts by mass, the sealing film may have insufficient hardness, and further carboxylic acid, alcohol, amine, etc. are generated, and foaming is likely to occur at the interface between the sealing film and the protective member. There is a fear.
- an ethylene-unsaturated carboxylic acid copolymer such as an ethylene-acrylic acid copolymer and an ethylene-methacrylic acid copolymer, Ionomer in which some or all of carboxyl groups of acid copolymer are neutralized with the above metal, ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer, ethylene -Ethylene-isobutyl acrylate copolymer, ethylene-unsaturated carboxylic acid ester copolymer such as ethylene-n-butyl acrylate copolymer, ethylene-isobutyl acrylate-methacrylic acid copolymer, ethylene-acrylic acid n- Ethylene-unsaturated carboxylic acid ester-unsaturated carboxylic acid such as butyl-methacrylic acid copolymer
- hydrotalcite may be anything as long as it is generally referred to as hydrotalcite or hydrotalcite-like compound, and may be naturally produced or synthesized from various metal salts. But it ’s okay.
- Hydrotalcite has a layered structure and has the property of incorporating anions between layers. Generally, it is a salt of a divalent metal or a trivalent metal hydroxide, and is represented, for example, by the following formula (II).
- M 2+ is a divalent metal
- M 3+ is a trivalent metal
- A is an anion
- n is a valence of the anion (A)
- z is a hydration number. .
- M 2+ examples include Mg 2+ , Fe 2+ , Zn 2+ , Ca 2+ , Li 2+ , Ni 2+ , Co 2+ , and Cu 2+ , and Mg 2+ is particularly preferable.
- M 3+ examples include Al 3+ , Fe 3+ , Mn 3+ , and Al 3+ is particularly preferable.
- n is preferably 1 to 3.
- A examples include CO 3 2 ⁇ , OH ⁇ , F ⁇ , Cl ⁇ , Br ⁇ , NO 3 ⁇ , HPO 3 2 ⁇ , SO 4 2 ⁇ , and CO 3 2 ⁇ is particularly preferable.
- hydrotalcite for example, Mg 4.5 Al 2 (OH) 13 CO 3 .3.5H 2 O, Mg 4 Al 2 (OH) 12 CO 3 .3H 2 O, Mg 5 Al 2 (OH) 14 CO 3 .4H 2 O, Mg 6 Al 2 (OH) 16 CO 3 .4H 2 O, Mg 8 Al 2 (OH) 20 CO 3 .5H 2 O, Mg 10 Al 2 (OH) 22 (CO 3 ) 2 ⁇ 4H 2 O, Mg 6 Al 2 (OH) 16 HPO 4 ⁇ 4H 2 O, Ca 6 Al 2 (OH) 16 CO 3 ⁇ 4H 2 O, Zn 6 Al 6 (OH) 16 CO 3 ⁇ 4H 2 O, and the like.
- Mg 2+ and Al 3+ hydroxide salts are particularly preferred.
- the content of hydrotalcite is not particularly limited. However, if the content of hydrotalcite is too large, the transparency may decrease.
- the transparency of the solar cell sealing film is, for example, preferably 10% or less in terms of haze value (according to JIS K 7136 (2000)), so the hydrotalcite content is 100 parts by mass of an ethylene-vinyl acetate copolymer. Is preferably 0.1 to 1.5 parts by weight, more preferably 0.1 to 1.0 parts by weight, and particularly preferably 0.1 to 0.5 parts by weight.
- the crosslinking agent is capable of forming a crosslinked structure of an ethylene-vinyl acetate copolymer.
- an organic peroxide or a photopolymerization initiator is preferably used.
- an organic peroxide because a sealing film with improved temperature dependency of adhesive strength, transparency, moisture resistance, and penetration resistance can be obtained.
- Any organic peroxide may be used as long as it decomposes at a temperature of 100 ° C. or higher to generate radicals.
- the organic peroxide is generally selected in consideration of the film formation temperature, the adjustment conditions of the composition, the curing temperature, the heat resistance of the adherend, and the storage stability. In particular, the one having a decomposition temperature of 70 ° C. or more with a half-life of 10 hours is preferable.
- organic peroxide examples include, from the viewpoint of processing temperature and storage stability of the resin, for example, benzoyl peroxide curing agent, tert-hexyl peroxypivalate, tert-butyl peroxypivalate, 3, 5, 5- Trimethylhexanoyl peroxide, di-n-octanoyl peroxide, lauroyl peroxide, stearoyl peroxide, 1,1,3,3-tetramethylbutylperoxy-2-ethylhexanoate, succinic acid peroxide, 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane, 2,5-dimethyl-2,5-di (2-ethylhexanoylperoxy) hexane, 1-cyclohexyl-1-methylethyl Peroxy-2-ethylhexanoate, tert-hexylpa Oxy-2-ethylhexano
- benzoyl peroxide-based curing agent any can be used as long as it decomposes at a temperature of 70 ° C. or higher to generate radicals, and those having a decomposition temperature of 50 hours or higher with a half-life of 10 hours are preferable, It can be appropriately selected in consideration of preparation conditions, film formation temperature, curing (bonding) temperature, heat resistance of the adherend, and storage stability.
- Usable benzoyl peroxide curing agents include, for example, benzoyl peroxide, 2,5-dimethylhexyl-2,5-bisperoxybenzoate, p-chlorobenzoyl peroxide, m-toluoyl peroxide, 2, Examples include 4-dichlorobenzoyl peroxide and t-butyl peroxybenzoate.
- the benzoyl peroxide curing agent may be used alone or in combination of two or more.
- organic peroxide 2,5-dimethyl-2,5di (tert-butylperoxy) hexane and 1,1-bis (tert-hexylperoxy) -3,3,5-trimethylcyclohexane are particularly preferable. . Thereby, the sealing film for solar cells which has the outstanding insulating property is obtained.
- the content of the organic peroxide is preferably 0.1 to 2 parts by mass, more preferably 0.2 to 1.5 parts by mass with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer. preferable. If the content of the organic peroxide is small, the insulating property of the resulting sealing film may be lowered, and if it is increased, the compatibility with the copolymer may be deteriorated.
- photopolymerization initiator any known photopolymerization initiator can be used, but a photopolymerization initiator having good storage stability after blending is desirable.
- photopolymerization initiators include 2-hydroxy-2-methyl-1-phenylpropan-1-one, 1-hydroxycyclohexyl phenyl ketone, and 2-methyl-1- (4- (methylthio) phenyl).
- Acetophenone series such as -2-morpholinopropane-1
- benzoin series such as benzyldimethyl ketal
- benzophenone series such as benzophenone, 4-phenylbenzophenone, hydroxybenzophenone, thioxanthone series such as isopropylthioxanthone, 2-4-diethylthioxanthone
- methylphenylglyoxylate can be used.
- 2-hydroxy-2-methyl-1-phenylpropan-1-one, 1-hydroxycyclohexyl phenyl ketone, 2-methyl-1- (4- (methylthio) phenyl) -2-morpholinopropane-1 examples include benzophenone.
- photopolymerization initiators may contain one or more known photopolymerization accelerators such as benzoic acid-based or tertiary amine-based compounds such as 4-dimethylaminobenzoic acid, if necessary. Can be mixed and used. Moreover, it can be used individually by 1 type of only a photoinitiator, or 2 or more types of mixture.
- the content of the photopolymerization initiator is preferably 0.5 to 5.0 parts by mass with respect to 100 parts by mass of the ethylene-polar monomer copolymer.
- the solar cell sealing film of the present invention may further contain a crosslinking aid, if necessary.
- the cross-linking aid can improve the gel fraction of the ethylene-polar monomer copolymer and improve the adhesion and durability of the sealing film.
- the content of the crosslinking aid is generally 10 parts by mass or less, preferably 0.1 to 5 parts by mass, more preferably 0.1 to 2.5 parts by mass with respect to 100 parts by mass of the ethylene-polar monomer copolymer. Used in the department. Thereby, the sealing film excellent in adhesiveness is obtained.
- crosslinking aid compound having a radical polymerizable group as a functional group
- examples of the crosslinking aid include trifunctional crosslinking aids such as triallyl cyanurate and triallyl isocyanurate, and (meth) acrylic esters (eg, NK ester) ) Monofunctional or bifunctional crosslinking aids.
- trifunctional crosslinking aids such as triallyl cyanurate and triallyl isocyanurate, and (meth) acrylic esters (eg, NK ester) ) Monofunctional or bifunctional crosslinking aids.
- triallyl cyanurate and triallyl isocyanurate are preferable, and triallyl isocyanurate is particularly preferable.
- the sealing film for solar cell of the present invention preferably has excellent adhesive strength in consideration of the sealing performance inside the solar cell. Therefore, an adhesion improver may be further included.
- a silane coupling agent can be used as the adhesion improver.
- the silane coupling agent include ⁇ -chloropropylmethoxysilane, vinylethoxysilane, vinyltris ( ⁇ -methoxyethoxy) silane, ⁇ -methacryloxypropyltrimethoxysilane, vinyltriacetoxysilane, ⁇ -glycidoxypropyltrimethoxy.
- Silane ⁇ -glycidoxypropyltriethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane, vinyltrichlorosilane, ⁇ -mercaptopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, N- ⁇ Mention may be made of-(aminoethyl) - ⁇ -aminopropyltrimethoxysilane. These silane coupling agents may be used alone or in combination of two or more. Of these, ⁇ -methacryloxypropyltrimethoxysilane is particularly preferred.
- the content of the silane coupling agent is preferably 0.1 to 0.7 parts by mass, particularly 0.15 to 0.65 parts by mass with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer.
- the sealing film for solar cell of the present invention is used as necessary for improving or adjusting various physical properties of the film (optical properties such as mechanical strength and transparency, heat resistance, light resistance, crosslinking speed, etc.). Further, it may further contain various additives such as a plasticizer, other acryloxy group-containing compound, methacryloxy group-containing compound and / or epoxy group-containing compound other than Compound I in the present invention.
- the plasticizer is not particularly limited, but generally an ester of a polybasic acid or an ester of a polyhydric alcohol is used. Examples thereof include dioctyl phthalate, dihexyl adipate, triethylene glycol-di-2-ethylbutyrate, butyl sebacate, tetraethylene glycol diheptanoate, and triethylene glycol dipelargonate.
- One type of plasticizer may be used, or two or more types may be used in combination.
- the plasticizer content is preferably in the range of 5 parts by mass or less with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer.
- the acryloxy group-containing compound and the methacryloxy group-containing compound are generally acrylic acid or methacrylic acid derivatives, and examples thereof include acrylic acid or methacrylic acid esters and amides.
- ester residues include linear alkyl groups such as methyl, ethyl, dodecyl, stearyl, lauryl, cyclohexyl group, tetrahydrofurfuryl group, aminoethyl group, 2-hydroxyethyl group, 3-hydroxypropyl group And 3-chloro-2-hydroxypropyl group.
- Examples of amides include diacetone acrylamide.
- polyhydric alcohols such as ethylene glycol, triethylene glycol, polypropylene glycol, polyethylene glycol, trimethylolpropane, and pentaerythritol, and esters of acrylic acid or methacrylic acid can also be used.
- Epoxy-containing compounds include triglycidyl tris (2-hydroxyethyl) isocyanurate, neopentyl glycol diglycidyl ether, 1,6-hexanediol diglycidyl ether, allyl glycidyl ether, 2-ethylhexyl glycidyl ether, phenyl glycidyl ether, phenol (Ethyleneoxy) 5 glycidyl ether, pt-butylphenyl glycidyl ether, adipic acid diglycidyl ester, phthalic acid diglycidyl ester, glycidyl methacrylate, butyl glycidyl ether.
- the acryloxy group-containing compound, the methacryloxy group-containing compound, or the epoxy group-containing compound is generally 0.5 to 5.0 parts by mass, particularly 1.0 to 100 parts by mass of the ethylene-vinyl acetate copolymer. It is preferably contained in an amount of ⁇ 4.0 parts by mass.
- the solar cell sealing film of the present invention may contain an ultraviolet absorber, a light stabilizer and an anti-aging agent.
- the ultraviolet absorber is not particularly limited, but 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-dodecyloxybenzophenone, 2,4-dihydroxybenzophenone, 2,2′-dihydroxy-4-methoxy
- Preferred examples include benzophenone ultraviolet absorbers such as benzophenone and 2-hydroxy-4-n-octoxybenzophenone.
- the blending amount of the benzophenone ultraviolet absorber is preferably 0.01 to 5 parts by mass with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer.
- the inclusion of the light stabilizer can also suppress the deterioration of the ethylene-vinyl acetate copolymer due to the influence of the irradiated light and the like, and the yellowing of the solar cell sealing film.
- a light stabilizer called a hindered amine type is preferably used as the light stabilizer.
- LA-52, LA-57, LA-62, LA-63LA-63p, LA-67, LA-68 (all ADEKA), Tinuvin 744, Tinuvin® 770, Tinuvin® 765, Tinuvin 144, Tinuvin® 622LD, CHIMASSORB® 944LD (all manufactured by Ciba Specialty Chemicals Co., Ltd.), UV-3034 (manufactured by BF Goodrich) Can be mentioned.
- the light stabilizer may be used alone or in combination of two or more kinds, and the blending amount is 0.01 to 5 parts by mass with respect to 100 parts by mass of the ethylene-vinyl acetate copolymer. It is preferable that
- antioxidants examples include hindered phenol antioxidants such as N, N′-hexane-1,6-diylbis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionamide], Examples thereof include phosphorus heat stabilizers, lactone heat stabilizers, vitamin E heat stabilizers, and sulfur heat stabilizers.
- the solar cell sealing film of the present invention described above may be formed according to a known method.
- a composition in which each of the above materials is mixed by a known method using a super mixer (high-speed fluid mixer), a roll mill or the like is molded by ordinary extrusion molding, calendar molding (calendering), or the like, and then a sheet-like material It can manufacture by the method of obtaining.
- a sheet-like material can be obtained by dissolving the composition in a solvent and coating the solution on a suitable support with a suitable coating machine (coater) and drying to form a coating film.
- the heating temperature during film formation is preferably a temperature at which the crosslinking agent does not react or hardly reacts.
- the temperature is preferably 50 to 90 ° C, particularly 40 to 80 ° C.
- the thickness of the solar cell sealing film is not particularly limited, but may be in the range of 50 ⁇ m to 2 mm.
- the structure of the solar cell of the present invention is not particularly limited as long as the solar cell sealing film of the present invention is used.
- the structure etc. which sealed the cell for solar cells by interposing the sealing film for solar cells of this invention between the surface side transparent protection member and the back surface side protection member, and making it bridge-integrate are mentioned.
- the side (light-receiving surface side) by which the light of a photovoltaic cell is irradiated is called “front surface side”
- the surface opposite to the light-receiving surface of a photovoltaic cell is called "back surface side.”
- the front surface side transparent protective member 11 the front surface side sealing film 13A, the solar cell cell 14, the back surface side sealing.
- the film 13B and the back surface side protection member 12 may be laminated, and the sealing film may be cross-linked and cured according to a conventional method such as heat and pressure.
- the laminate is heated with a vacuum laminator at a temperature of 135 to 180 ° C., further 140 to 180 ° C., particularly 155 to 180 ° C., a degassing time of 0.1 to 5 minutes, and a press pressure of 0.1.
- Heat pressing may be performed at a pressure of ⁇ 1.5 kg / cm 2 and a press time of 5-15 minutes.
- the ethylene-vinyl acetate copolymer contained in the front surface side sealing film 13A and the back surface side sealing film 13B is cross-linked, whereby the front surface side sealing film 13A and the back surface side sealing film 13B are interposed.
- the surface side transparent protection member 11, the back surface side transparent member 12, and the cell 14 for solar cells can be integrated, and the cell 14 for solar cells can be sealed.
- the solar cell sealing film of the present invention is not limited to a solar cell using a single crystal or polycrystalline silicon crystal solar cell as shown in FIG. It can also be used for sealing films of thin film solar cells such as solar cells and copper indium selenide (CIS) solar cells.
- the solar cell of the present invention is formed on the thin film solar cell element layer formed by a chemical vapor deposition method or the like on the surface of the surface side transparent protective member such as a glass substrate, a polyimide substrate, or a fluororesin transparent substrate.
- the structure for laminating the battery sealing film and the back surface side protective member and adhering and integrating them On the solar cell element formed on the surface of the back surface side protective member, the structure for laminating the battery sealing film and the back surface side protective member and adhering and integrating them, the front surface side Laminated transparent protective member, bonded and integrated structure, or front side transparent protective member, front side sealing film, thin film solar cell element, back side sealing film, and back side protective member are laminated in this order, For example, a structure that is bonded and integrated.
- the sealing film for solar cell of the present invention suppresses the generation of acetic acid under a wet heat environment and is excellent in electrical insulation, and thus provides a solar cell with high durability under a wet heat environment and high power generation efficiency. can do.
- the surface-side transparent protective member 11 used in the solar cell of the present invention is usually a glass substrate such as silicate glass.
- the thickness of the glass substrate is generally from 0.1 to 10 mm, and preferably from 0.3 to 5 mm.
- the glass substrate may generally be chemically or thermally strengthened.
- the back surface side protective member 12 used in the present invention is preferably a plastic film such as polyethylene terephthalate (PET). Further, a film obtained by laminating a fluorinated polyethylene film, particularly a fluorinated polyethylene film / Al / fluorinated polyethylene film in this order in consideration of heat resistance and wet heat resistance may be used.
- PET polyethylene terephthalate
- the solar cell (including a thin film solar cell) of the present invention is characterized by a sealing film used on the front surface side and / or the back surface side as described above. Therefore, the members other than the sealing film such as the front-side transparent protective member, the back-side protective member, and the solar cell need only have the same configuration as the conventionally known solar cell, and are not particularly limited. .
- Acetic acid generation amount glass plate FL glass: thickness 3 mm
- each solar cell sealing film produced above and Al-deposited polyvinyl fluoride resin film (thickness 200 ⁇ m) are laminated in this order
- the module was left in an environment of a temperature of 121 ° C. and a humidity of 100 RH for 240 hours.
- the solar cell sealing film was taken out from the module, and 1.0 g thereof was immersed in acetone (2.0 ml) at room temperature (25 ° C.) for 48 hours, and the amount of acetic acid (ppm) contained in the acetone extract was gas chromatographed. Was quantified. Evaluation made the less than 3500 ppm acceptable and made 3500 ppm or more unacceptable with reference to the acetic acid generation amount of the sealing film (Comparative Example 14) which did not mix hydrotalcite and a (meth) acrylate compound.
- Tables 1 and 2 show the results of the volume resistivity of each sample.
- EVA 0.1 to 6.0 parts by mass of hydrotalcite and a (meth) acrylate compound satisfying the above formula (I)
- R 1 and R 3 is CH 3
- R 2 is H
- n is 9 or 14
- Compound I was blended in an amount of 0.1 to 2.0 parts by mass.
- the volume resistivity and the amount of acetic acid generated were acceptable.
- the calendar moldability was poor, and the compounding amount of Compound I was 0.1 to 1.0 parts by mass.
- Example 12 which mix
- the haze value exceeded 10% and transparency was falling. Therefore, it was shown that the blending amount of hydrotalcite is preferably 0.1 to 1.5 parts by mass.
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Abstract
Description
(1)前記式(I)におけるR2が、Hである。
(2)前記(メタ)アクリレート化合物の含有量が、前記エチレン-酢酸ビニル共重合体100質量部に対して、0.1~1.0質量部である。
(3)前記ハイドロタルサイトの含有量が、前記エチレン-酢酸ビニル共重合体100質量部に対して、0.1~1.5質量部である。
(4)前記架橋剤が、有機過酸化物である。
本発明において化合物Iは、上記式Iに示すように9~14個のエチレンオキシ基(-CH2CH2O-(R2がHの場合))又はプロピレンオキシ基(-CH(CH3)CH2O-(R2がCH3の場合))を有し、更に、分子の両末端部分に(メタ)アクリロイル基(本発明において、アクリロイル基又はメタアクリロイル基を意味する)又は(メタ)アクリロイルオキシ基(本発明において、アクリロイルオキシ基又はメタアクリロイルオキシ基を意味する)を有する。
本発明に使用するエチレン-酢酸ビニル共重合体(EVA)における酢酸ビニルの含有量は、EVA100質量部に対して20~35質量部、さらに22~30質量部、特に24~28質量部とするのが好ましい。EVAの酢酸ビニル単位の含有量が低い程、得られる封止膜が硬くなる傾向がある。酢酸ビニルの含有量が20質量部未満では、高温で架橋硬化させる場合に、得られる封止膜の透明性が充分でない恐れがある。また、35質量部を超えると封止膜の硬さが不十分となる場合があり、更にカルボン酸、アルコール、アミン等が発生し封止膜と保護部材等との界面で発泡が生じ易くなる恐れがある。
本発明において、ハイドロタルサイトは、一般にハイドロタルサイト類、ハイドロタルサイト様化合物といわれるものであれば、どのようなものでも良く、天然に産出されるものでも、各種金属塩から合成されるものでも良い。ハイドロタルサイトは、層状構造を持ち、層間にアニオンを取り込む性質を有する。一般に、2価の金属及び3価の金属の水酸化物の塩であり、例えば、下記式(II)で表される。
本発明において架橋剤は、エチレン-酢酸ビニル共重合体の架橋構造を形成することができるものである。架橋剤は、有機過酸化物又は光重合開始剤を用いることが好ましい。
本発明の太陽電池用封止膜は、必要に応じて、さらに架橋助剤を含んでいてもよい。前記架橋助剤は、エチレン-極性モノマー共重合体のゲル分率を向上させ、封止膜の接着性及び耐久性を向上させることができる。
本発明の太陽電池用封止膜は、太陽電池内部の封止性能を考慮すると、優れた接着力を有するのが好ましい。そのために、接着向上剤をさらに含んでいても良い。接着向上剤としては、シランカップリング剤を用いることができる。これにより、優れた接着力を有する太陽電池用封止膜を形成することが可能となる。前記シランカップリング剤としては、γ-クロロプロピルメトキシシラン、ビニルエトキシシラン、ビニルトリス(β-メトキシエトキシ)シラン、γ-メタクリロキシプロピルトリメトキシシラン、ビニルトリアセトキシシラン、γ-グリシドキシプロピルトリメトキシシラン、γ-グリシドキシプロピルトリエトキシシラン、β-(3,4-エポキシシクロヘキシル)エチルトリメトキシシラン、ビニルトリクロロシラン、γ-メルカプトプロピルトリメトキシシラン、γ-アミノプロピルトリエトキシシラン、N-β-(アミノエチル)-γ-アミノプロピルトリメトキシシランを挙げることができる。これらシランカップリング剤は、単独で使用しても、又は2種以上組み合わせて使用しても良い。なかでも、γ-メタクリロキシプロピルトリメトキシシランが特に好ましく挙げられる。
本発明の太陽電池用封止膜は、膜の種々の物性(機械的強度、透明性等の光学的特性、耐熱性、耐光性、架橋速度等)の改良あるいは調整のため、必要に応じて、可塑剤、本発明における化合物Iの他のアクリロキシ基含有化合物、メタクリロキシ基含有化合物及び/又はエポキシ基含有化合物などの各種添加剤をさらに含んでいてもよい。
本発明の太陽電池の構造は、本発明の太陽電池用封止膜を用いていれば、特に制限されない。例えば、表面側透明保護部材と裏面側保護部材との間に、本発明の太陽電池用封止膜を介在させて架橋一体化させることにより太陽電池用セルを封止させた構造などが挙げられる。なお、本発明において、太陽電池セルの光が照射される側(受光面側)を「表面側」と称し、太陽電池セルの受光面とは反対面側を「裏面側」と称する。
[実施例1~12、比較例1~14]
表1及び表2に示す配合で各材料をロールミルに供給し、70℃で、混練して太陽電池用封止膜組成物を調製した。前記太陽電池用封止膜組成物を、70℃で、カレンダ成形し、放冷後、各太陽電池用封止膜(厚さ0.6mm)を作製した。
(1)カレンダ成形性
前記太陽電池用封止膜組成物をカレンダ成形する際に、混練不良等の問題なく成形できた場合を○、成形し難かった場合を×とした。
ガラス板(FLガラス:厚さ3mm)、上記で作製した各太陽電池用封止膜、及びAl蒸着したポリフッ化ビニル樹脂フィルム(厚さ200μm)をこの順で積層し、真空ラミネータにて90℃で仮圧着した後、加熱し、ゲル化分率90%以上まで架橋させ、酢酸発生量定量用モジュールとした。
上記で作製した各太陽電池用封止膜の100mmx100mmの大きさのサンプルを作製し、真空ラミネータにて90℃で仮圧着した後、加熱し、ゲル化分率90%以上まで架橋させた。
白板ガラス(厚さ;3mm)/各太陽電池用封止膜/白板ガラス(厚さ;3mm)をこの順で積層し、(2)と同様に架橋させたモジュールについて、JIS K 7136(2000年)に従って、ヘイズ値(%)を測定した。その際、ヘイズメーター(日本電色工業(株)製、NDH-2000型)を用いた。
(1)~(3)の評価がいずれも合格の場合を○とし、(1)の評価のみが×の場合を△、それ以外を×とした。(4)はより好ましい配合を設定するための指標とした。
各サンプルの体積固有抵抗の結果を表1及び表2に示す。実施例1~12において、EVA100質量部に対して、ハイドロタルサイト0.1~6.0質量部、及び上記式(I)を満たす(メタ)アクリレート化合物(式(I)中、R1及びR3がCH3、R2がH、nが9又は14のもの)(化合物I)を0.1~2.0質量部配合した太陽電池用封止膜を評価した。その結果、すべての実施例において、体積固有抵抗、酢酸発生量は合格であった。但し、化合物Iを1.5、及び2.0質量部配合した実施例5、及び6についてはカレンダ成形性が不良であり、化合物Iの配合量は、0.1~1.0質量部がより好ましいことが示された。また、ハイドロタルサイトを6.0質量部配合した実施例12では、ヘイズ値が10%を越え、透明性が低下していた。従って、ハイドロタルサイトの配合量は、0.1~1.5質量部が好ましいことが示された。
12 裏面側保護部材
13A 表面側封止膜
13B 裏面側封止膜
14 太陽電池用セル
Claims (6)
- 前記式(I)におけるR2が、Hである請求項1に記載の太陽電池用封止膜。
- 前記(メタ)アクリレート化合物の含有量が、前記エチレン-酢酸ビニル共重合体100質量部に対して、0.1~1.0質量部である請求項1又は2に記載の太陽電池用封止膜。
- 前記ハイドロタルサイトの含有量が、前記エチレン-酢酸ビニル共重合体100質量部に対して、0.1~1.5質量部である請求項1~3のいずれか1項に記載の太陽電池用封止膜。
- 前記架橋剤が、有機過酸化物である請求項1~4のいずれか1項に記載の太陽電池用封止膜。
- 請求項1~5のいずれか1項に記載の太陽電池封止膜を用いたことを特徴とする太陽電池。
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CN2011800098413A CN102762652A (zh) | 2010-02-18 | 2011-02-04 | 太阳能电池用密封膜以及使用其的太阳能电池 |
EP11744530.4A EP2537893B1 (en) | 2010-02-18 | 2011-02-04 | Sealing film for photovoltaic modules and photovoltaic modules using same |
ES11744530.4T ES2587593T3 (es) | 2010-02-18 | 2011-02-04 | Película sellante para módulos fotovoltaicos y módulos fotovoltaicos que usan la misma |
JP2012500554A JP5914323B2 (ja) | 2010-02-18 | 2011-02-04 | 太陽電池用封止膜及びこれを用いた太陽電池 |
US13/579,475 US20120309878A1 (en) | 2010-02-18 | 2011-02-04 | Solar cell sealing film and solar cell using the sealing film |
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WO2017057708A1 (ja) * | 2015-09-30 | 2017-04-06 | 味の素株式会社 | 封止用樹脂組成物 |
WO2018181664A1 (ja) * | 2017-03-31 | 2018-10-04 | 味の素株式会社 | 封止用の組成物 |
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EP2960265B1 (en) * | 2013-02-21 | 2018-11-14 | Mitsubishi Chemical Corporation | Crosslinking resin composition and sealing medium |
CN103254802B (zh) * | 2013-03-19 | 2015-06-03 | 江苏鹿山光伏科技有限公司 | 一种抗光伏组件潜在电势诱导衰减的eva封装胶膜 |
CN104031567B (zh) * | 2013-12-27 | 2015-06-17 | 杭州福斯特光伏材料股份有限公司 | 一种双重引发的快速交联eva胶膜 |
CN105086097A (zh) * | 2014-05-09 | 2015-11-25 | 杜邦公司 | 可交联的乙烯/乙酸乙烯酯共聚物的组合物及包含该组合物的太阳能电池封装材料 |
WO2016032837A1 (en) * | 2014-08-25 | 2016-03-03 | Solutia Inc. | Thin film photovoltaic module with stabilized polymer |
CN111763286B (zh) * | 2019-04-02 | 2023-01-31 | 阿特斯阳光电力集团股份有限公司 | 一种封装材料及其制备方法和用途 |
CN115141450A (zh) * | 2022-08-04 | 2022-10-04 | 奥瑞邦(厦门)新材料有限公司 | 一种光伏胶膜母粒、制备方法及光伏胶膜 |
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WO2017057708A1 (ja) * | 2015-09-30 | 2017-04-06 | 味の素株式会社 | 封止用樹脂組成物 |
KR20180061335A (ko) * | 2015-09-30 | 2018-06-07 | 아지노모토 가부시키가이샤 | 밀봉용 수지 조성물 |
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WO2018181664A1 (ja) * | 2017-03-31 | 2018-10-04 | 味の素株式会社 | 封止用の組成物 |
JPWO2018181664A1 (ja) * | 2017-03-31 | 2020-02-13 | 味の素株式会社 | 封止用の組成物 |
JP7024785B2 (ja) | 2017-03-31 | 2022-02-24 | 味の素株式会社 | 封止用の組成物 |
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JP5914323B2 (ja) | 2016-05-11 |
ES2587593T3 (es) | 2016-10-25 |
EP2537893B1 (en) | 2016-07-13 |
JPWO2011102242A1 (ja) | 2013-06-17 |
CN102762652A (zh) | 2012-10-31 |
US20120309878A1 (en) | 2012-12-06 |
EP2537893A4 (en) | 2014-12-10 |
EP2537893A1 (en) | 2012-12-26 |
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