WO2012060652A2 - 태양전지의 봉지재용 시트 - Google Patents
태양전지의 봉지재용 시트 Download PDFInfo
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- WO2012060652A2 WO2012060652A2 PCT/KR2011/008351 KR2011008351W WO2012060652A2 WO 2012060652 A2 WO2012060652 A2 WO 2012060652A2 KR 2011008351 W KR2011008351 W KR 2011008351W WO 2012060652 A2 WO2012060652 A2 WO 2012060652A2
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- Prior art keywords
- sheet
- solar cell
- heat
- seat
- sealing materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/50—Encapsulations or containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10678—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising UV absorbers or stabilizers, e.g. antioxidants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
- B32B17/10944—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin in powder form
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
- H10F19/804—Materials of encapsulations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/322—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of solar panels
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/202—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive being in the form of fibres
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
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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 encapsulant having a low thermal contraction rate and high flexibility.
- a solar cell encapsulant sheet 4 of a heat-adhesive resin is placed on a surface of a surface side protection member 1 made of glass or transparent resin, and a plurality of solar cell elements ( 3) up. Moreover, the sheet
- the laminated body thus made is pressurized between the two protective members 1 and 2 while heating it, and the sealing sheets 4 and 4 are melted and integrated.
- 2 shows a solar cell module in which the encapsulant sheets 4 and 4 are melted and integrated with other members, and the encapsulant sheets 4 and 4 are integrated as an encapsulant 4 '. It is shown.
- the heat-adhesive resin sheet used for the said sealing material sheet 4 was formed by extrusion processing by T-die, or calendering process, the heat-adhesive resin sheet extended in the machine direction formed in this way is All have large heat shrinkage. For this reason, when such a heat-adhesive resin sheet is used for the sheet
- the heat-adhesive resin sheet with a small thermal contraction rate is well known as described in patent document 1, for example.
- the well-known heat-adhesive sheet with a small thermal contraction rate heat-bonds one part or all part of heat-adhesive resin powder.
- bonded some or all of the heat-adhesive resin powder is heat shrinkable compared with the sheet
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-363507
- Patent Document 2 Japanese Patent Publication No. 2009-4437
- the heat-adhesive resin sheet described in Patent Document 1 can fuse the whole heat-adhesive resin powder, but in the case where all of the heat-adhesive resin powder is fused, similar flexibility to the sheet by extrusion is obtained. Only is obtained. Obviously, it is disclosed that a part of the heat-adhesive resin powder can be fused, and that the entire heat-adhesive resin powder can be fused as described above, not only on the flexibility thereof, but on improving the heat shrinkage rate. It is obvious.
- the voids thus produced have little effect on the performance as a battery, but because they are aesthetically bad, they are treated as defective products when viewed as a finished product.
- An object of the present invention is to provide a sheet for a solar cell encapsulant having high flexibility while having a small shrinkage rate at the time of heating, and to improve the productivity of the solar cell module.
- the first invention is characterized in that a part of the heat-adhesive resin powder is fused to maintain voids, and the apparent density is 20 (%) or more and 70 (%) or less of the net density of the heat-adhesive resin.
- the second invention is based on the first invention, and the heat-adhesive resin is composed of an ethylene copolymer, and its ethylene content is 60 (% by weight) or more and 90 (% by weight) or less and the melt mass flow (melt).
- the mass-flow rate is characterized by being 1 (g / 10 minutes) or more and 50 (g / 10 minutes) or less.
- the sheet for the encapsulant of the solar cells of the first and second inventions is formed by fusion bonding a part of the heat-adhesive resin powder, the heat shrinkage rate is very low, and the flexibility is also very high compared to the heat-adhesive resin sheet used in the past. high. For this reason, when this sheet
- seat for sealing materials is provided with the space
- ethylene resin content of the ethylene copolymer 60 (wt%) or more, a heat-adhesive resin powder having good fluidity can be obtained, and the handleability of the resin powder can be improved and a uniform sheet for sealing material can be formed. Can be.
- seat for sealing materials of the solar cell with especially high transparency and flexibility can be obtained by making the said ethylene resin content into 90 (weight%) or less.
- the melt mass flow of the ethylene copolymer is 1 (g / 10 min) or more and 50 (g / 10 min) or less, the fluidity of the encapsulant during thermal bonding of the solar cell element is optimally maintained, It is possible to prevent the encapsulant from leaking out between the protective members of the solar cell while preventing the remaining of voids.
- FIG. 1 is a view showing a configuration of a general solar cell, and shows a state in which the sheet for encapsulant is not hot melted.
- FIG. 2 is a view showing the configuration of a general solar cell.
- the encapsulant sheet of the solar cell of the present invention is a sheet formed by fusing a part of the heat-adhesive resin powder, and its apparent density is 20 (%) or more and 70 (%) or less of the pure density of the heat-adhesive resin. do.
- seat for sealing materials of a present Example is used as the sheet
- the heat-adhesive resin powder constituting the encapsulant sheet 4 can be obtained by grinding the pellets of the heat-adhesive resin by mechanical grinding, freeze grinding, chemical grinding, or the like.
- the particle size of the obtained powder is not particularly limited, but in view of the fluidity of the powder and the flexibility of the sheet, the range of 32 mesh to 200 mesh is preferable.
- the heat-adhesive resin powder manufactured as mentioned above is spread
- a part of said heat-adhesive resin powder is fused by this heating, and the said powders adhere
- the heat shrinkage rate is very small, less than 2 (%). For this reason, when manufacturing a solar cell using the sheet
- seat 4 for sealing materials obtained by the above was fusion
- gap is made from the sheet
- seat 4 for sealing materials of this solar cell is a preferable range for 20 (%) or more and 70 (%) or less of the pure density of a heat-adhesive resin for the following reasons.
- the apparent density of the encapsulant sheet 4 is less than 20 (%) of the pure density of the resin, the porosity is too large, making it difficult to extract air from the voids in the encapsulant sheet 4 at the time of manufacturing the solar cell module. Bubbles remain in the sealing material 4 'in which the ash sheet 4 is melted. In addition, if the porosity of the encapsulant sheet 4 is too large, it is difficult to maintain the form as a sheet, and there is also a problem that the manufacturing cost increases in order to form such a sheet.
- seat 4 for sealing materials of this invention is made into 20 (%) or more and 70 (%) or less of a heat adhesive resin.
- this highly flexible sealing material sheet 4 By using this highly flexible sealing material sheet 4, the gap between the surroundings of the solar cell element 3 and the sealing material sheet 4 at the time of manufacturing a solar cell is made small, and the sealing material 4 'after heat bonding is carried out. You can avoid leaving voids in the. That is, the incidence rate of defective products due to voids can be reduced.
- seat 4 for sealing materials can be adjusted with the dispersion state of the resin powder spread
- gap is provided in this said sheet
- seat 4 for sealing materials has high cushioning property, and the influence of the external force on the solar cell element 3 which has a pair of sealing material sheets 4 and 4 in the manufacturing process of a solar cell can be alleviated. have.
- the optimal thickness of the encapsulant sheet 4 varies depending on the thickness and size of the solar cell element to be bonded, its arrangement, and the like.
- the solar cell element 3 shown in FIG. 2 has two protective members 1 and 2. It is necessary to determine based on the amount of resin which is reliably adhered between the) and at the same time, the voids do not occur in the encapsulant 4 'in the thermally bonded state.
- the encapsulant sheet 4 is too thin, the cushioning property becomes insufficient, and the solar cell element 3 may be damaged.
- the encapsulant sheet 4 is too thick and the encapsulant 4 'of the manufactured solar cell is too thick, the light transmittance of the solar light is reduced and the electromotive force of the solar cell is deteriorated.
- the heat-adhesive resin used for the said sealing material sheet 4 is resin which expresses adhesiveness by adding heat, and there exist an ethylene copolymer, polyvinyl butyral, copolymerized nylon, polyester, etc., especially ethylene It can be said that a system copolymer is excellent in the workability, durability, etc.
- An ethylene copolymer is a copolymer of ethylene and resin which can be copolymerized with ethylene, for example, there are the followings.
- copolymers of ethylene and vinyl esters such as vinyl acetate or vinyl propionate, ethylene and ethylene and unsaturated carboxylic acid esters such as methyl acrylate, ethyl acrylate, isobutyl acrylate, nbutyl acrylate and methyl methacrylate.
- High polymers, copolymers of ethylene and unsaturated carbon acids such as acrylic acid and methacrylic acid, or monomers in which some of the ethylene and unsaturated carbon acids are neutralized with metal salts such as sodium, zinc and lithium, propylene, 1-butene and 1-hexene And a mixture of two or more kinds of these copolymers, in addition to copolymers with? -Olefins such as 1-octene, 4-methyl and 1-pentene.
- the ethylene content in the copolymer is preferably 60 (% by weight) or more and less than 90 (% by weight).
- the adhesiveness of the copolymer becomes strong, making it difficult to take out as a powder, and even if a powder is obtained, the fluidity of the powder becomes poor, and as a result, uniform powder dispersion becomes difficult. If uniform powder dispersion is difficult, the uniform sealing sheet 4 cannot be obtained.
- the nonuniform type of sheet for borosilicate material is one in which the porosity of the resin is different or the sheet thickness is nonuniform in some places.
- melt mass flow (JIS K6924-1) of resin used for the sealing material sheet of this invention such as an ethylene-type copolymer
- 1 (g / 10min) or more and 50 (g / 10min) or less are preferable, It is more preferable.
- it is 2 (g / 10 minutes) or more and 40 (g / 10 minutes) or less. If the melt mass flow of the resin is less than 1 (g / 10 min), the fluidity of the resin in the hot melt state is deteriorated, and the encapsulant sheet using such a resin is encapsulated with the encapsulant 4 and the solar cell element when the solar cell is manufactured.
- the melt mass flow of the resin is 50 (g / 10 min) or more, since the fluidity is too high, the adhesive may flow out from the end faces of the protective members 1 and 2, which is not preferable.
- Addition of a crosslinking agent is preferable for the purpose of improving heat resistance, transparency, and adhesiveness of the sheet
- a crosslinking agent organic peroxide is used preferably, The half-life temperature of the 1 hour is preferable 70-180 degreeC, and 90-160 degreeC is especially preferable.
- peroxides examples include tertiary butyl peroxy isopropyl carbonate, tertiary butyl peroxy 2-ethylhexyl carbonate, tertiary butyl peroxy acetate, tertiary butyl peroxy benzoate, tertiary butyl dicumyl peroxide, 2,5-dimethyl-2,5 bis (tertiarybutylperoxy) hexane, di tert-butylbutylperoxide, 2,5-dimethyl-2,5-bis (tertiarybutylperoxy) hexyn-1,1- Bis (tertbutylperoxy) cyclohexane, methylethylketone peroxide, 2,5-dimethylhexyl-2,5-bisperoxybenzoate, tert-butylhydroperoxide, p-methanehydroperoxide, benzoyl per Oxides, p-chloro
- the addition amount of the said organic peroxide is 0.1-15 (weight part) with respect to 100 ethylene part (weight part), Preferably it is 0.5-5 (weight part).
- a crosslinking adjuvant can be added.
- Triaryl cyanurate, triaryl isocyanurate, (meth) acrylic ester, etc. are mentioned as a crosslinking adjuvant.
- the addition amount of these crosslinking adjuvant is 0.05-15 (weight part) with respect to 100 (weight part) of ethylene-type copolymers, Preferably it is 0.1-5 (weight part).
- silane coupling agent can be added in order to improve the adhesiveness of an ethylene-type copolymer.
- silane coupling agents (gamma) -chloropropyl methoxysilane, vinylethoxysilane, vinyl tris ((beta) -methoxyethoxy) silane, (gamma) -methacryloxypropyl trimethoxysilane, vinyl triacetoxysilane, (gamma) -Glycidoxypropyltrimethoxysilane, ⁇ -Glycidoxypropyltriethoxysilane, ⁇ - (3,4-epoxyhexyl) ethyltriethoxysilane, vinyltrichlorosilane, ⁇ -melcaptopropyltrimethoxysilane and ⁇ -aminopropyltriethoxysilane and N- ⁇ - (aminoethyl) - ⁇ -aminopropyltrime
- an ethylene-type copolymer can add additives, such as a ultraviolet absorber, a light stabilizer, and antioxidant.
- UV absorber 2-hydroxy-4-methoxybenzophenone, 2, 2-dihydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-2-carboxybenzophenone, 2-hydroxy Benzophenone series, such as oxy-4- octoxy benzophenone, 2- (2-hydroxy-3, 5-di- tert butylphenyl) benzotriazole, 2- (2-hydroxy-5- methylphenyl) benzotriazole
- salicylic acid esters such as benzotriazoles such as 2- (2-hydroxy-5-tertylphenyl) benzotriazole, phenyl salicylate and p-octylphenyl salicylate, and other 2-ethyl and 2'- Ethoxy-oxanide, etc. are mentioned.
- a hindered amine type is preferable.
- antioxidants examples include hindered phenolic antioxidants, phosphorus thermal stabilizers, lactone thermal stabilizers and sulfur thermal stabilizers.
- additives is 0.01-2 (weight part) with respect to 100 (weight part) of ethylene copolymers, Preferably it is 0.03-1 (weight%).
- seat 4 for sealing materials comprised as mentioned above is excellent in flexibility, it exists in the space
- seat for sealing materials shown in this Example were measured by the method shown below.
- seat for sealing materials of a comparative example were also measured by the same method.
- ⁇ L [(L 1 -L 2 ) / L 1 ] ⁇ 100
- W weight per unit area of sheet (g / cm 2 )
- V volume per unit area of sheet (cm 3 / cm 2 )
- a third butylper having an ethylene vinyl acetate copolymer (100 parts by weight) containing 28 (% by weight) of vinyl oxide and having a melt mass flow of 18 (g / 10 minutes), having a half life temperature of 119.3 ° C. as a crosslinking agent.
- Oxy 2-ethylhexyl carbonate 1 (parts by weight) and 0.5 (parts by weight) of ⁇ -methacryloxypropyltrimethoxysilane as a silane coupling agent are mixed and melt kneaded by setting the resin temperature to 100 ° C. with an extruder. To obtain a heat adhesive resin.
- the pure density of this heat adhesive resin was 948 (kg / m ⁇ 3> ).
- the heat adhesive resin was pulverized by freeze grinding using liquid nitrogen to obtain a heat adhesive resin powder having a particle size of 42 mesh to 200 mesh.
- the heat-sealing resin powder was uniformly spread on the release sheet with a powder spreader, and then the sheet 4 for encapsulant of this embodiment was partially fused by heating the resin powder at 110 ° C. with a far-infrared heater. Got it.
- seat 4 for sealing materials was 1 (mm), and the weight per unit area was 400 (g / cm ⁇ 2> ).
- the apparent density was 400 (kg / m 3 ) and was 42 (%) of the net density of the heat adhesive resin.
- the solar cell module was produced using the sheet
- seat 4 for sealing materials is raised on the surface of the surface side protection member 1 which consists of glass, and many solar cell elements 3 are mounted on it. Moreover, the sheet
- the laminating agent thus produced was set in a laminator for solar cell production, the temperature of the hot plate was 130 deg. C, and degassed in a vacuum time of 3 minutes, followed by pressing for 5 minutes at a pressure of 1 (kgf / cm 2 ).
- seat for sealing materials of the said Example In order to contrast with the sheet
- seat for sealing materials of this comparative example was melt
- seat for sealing materials of this comparative example obtained was almost fusion
- the thickness of this sealing material sheet was 0.45 (mm), and was half or less of the thickness of the sealing material sheet of the said Example.
- the sealing sheet of this comparative example had a weight per unit area of 400 (g / cm 2 ) and an apparent density of 889 (kg / m 3 ). That is, the apparent density of the sheet
- the incidence rate of the defective product was 5 (%).
- the reason can be considered as follows.
- seat for sealing materials of this comparative example was large in apparent density, ie, the porosity was small, and sufficient flexibility was not acquired. For this reason, in the manufacturing process of a solar cell module, the space
- seat for sealing materials of this comparative example is low in porosity and thinner as compared with the sheet
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Photovoltaic Devices (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims (2)
- 열접착성 수지 분말의 일부를 융착하여 공극을 유지하는 동시에, 겉보기 밀도가 열접착성 수지의 순밀도의 20(%) 이상 70(%) 이하인 태양전지의 봉지재용 시트.
- 제1항에 있어서,상기 열접착성 수지가 에틸렌계 공중합체로 이루어지고, 이 에틸렌계 공중합체의 에틸렌 함유량은 60(중량%) 이상 90(중량%) 이하, 용융 질량 흐름은 1(g/10분)이상 50(g/10분)이하인 태양전지의 봉지재용 시트.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011103679T DE112011103679T5 (de) | 2010-11-05 | 2011-11-04 | Bahn für die Verwendung als ein Verpackungsmaterial für Solarzellen |
| CN201180053522.2A CN103201850B (zh) | 2010-11-05 | 2011-11-04 | 太阳能电池的密封材料用薄片 |
| US13/883,732 US8815966B2 (en) | 2010-11-05 | 2011-11-04 | Sheet for use as a packaging material for solar cells |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0109843 | 2010-11-05 | ||
| KR1020100109843A KR101239533B1 (ko) | 2010-11-05 | 2010-11-05 | 태양전지의 봉지재용 시트 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012060652A2 true WO2012060652A2 (ko) | 2012-05-10 |
| WO2012060652A3 WO2012060652A3 (ko) | 2012-08-02 |
Family
ID=46024966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2011/008351 Ceased WO2012060652A2 (ko) | 2010-11-05 | 2011-11-04 | 태양전지의 봉지재용 시트 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8815966B2 (ko) |
| KR (1) | KR101239533B1 (ko) |
| CN (1) | CN103201850B (ko) |
| DE (1) | DE112011103679T5 (ko) |
| WO (1) | WO2012060652A2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675971A (zh) * | 2019-03-11 | 2020-09-18 | 杭州福斯特应用材料股份有限公司 | 一种封装材料、相关的胶膜和其制法以及光伏组件 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160029983A (ko) * | 2014-09-05 | 2016-03-16 | 주식회사 에스에너지 | 태양전지 모듈 |
| CN104530995B (zh) * | 2015-01-19 | 2016-10-26 | 苏州度辰新材料有限公司 | 一种太阳能电池封装胶膜及其制备方法 |
| JP6512113B2 (ja) * | 2016-01-08 | 2019-05-15 | 信越化学工業株式会社 | 太陽電池モジュールの製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002363507A (ja) | 2001-06-13 | 2002-12-18 | Tosoh Corp | 熱接着性シート |
| JP2006190865A (ja) * | 2005-01-07 | 2006-07-20 | Du Pont Mitsui Polychem Co Ltd | 太陽電池封止材 |
| JP4697194B2 (ja) * | 2006-10-13 | 2011-06-08 | 日立化成工業株式会社 | 太陽電池セルの接続方法及び太陽電池モジュール |
| JP4912122B2 (ja) | 2006-11-14 | 2012-04-11 | 三井・デュポンポリケミカル株式会社 | 架橋性エチレン共重合体組成物、該共重合体組成物からなる太陽電池素子封止用シートおよびこれを用いた太陽電池モジュール |
| US7943845B2 (en) * | 2007-02-07 | 2011-05-17 | E. I. Du Pont De Nemours And Company | Solar cells encapsulated with poly(vinyl butyral) |
| JP4994124B2 (ja) | 2007-06-19 | 2012-08-08 | 三井化学東セロ株式会社 | 太陽電池封止用シートおよびその製造方法 |
| JP2009218465A (ja) * | 2008-03-12 | 2009-09-24 | Toray Ind Inc | 太陽電池モジュール用封止フィルムおよびそれを用いた太陽電池モジュール |
| JP5190999B2 (ja) * | 2009-03-25 | 2013-04-24 | 旭化成イーマテリアルズ株式会社 | 樹脂封止シート |
| WO2011031297A2 (en) * | 2009-08-28 | 2011-03-17 | Sion Power Corporation | Electrochemical cells comprising porous structures comprising sulfur |
-
2010
- 2010-11-05 KR KR1020100109843A patent/KR101239533B1/ko not_active Expired - Fee Related
-
2011
- 2011-11-04 DE DE112011103679T patent/DE112011103679T5/de not_active Ceased
- 2011-11-04 CN CN201180053522.2A patent/CN103201850B/zh not_active Expired - Fee Related
- 2011-11-04 US US13/883,732 patent/US8815966B2/en not_active Expired - Fee Related
- 2011-11-04 WO PCT/KR2011/008351 patent/WO2012060652A2/ko not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675971A (zh) * | 2019-03-11 | 2020-09-18 | 杭州福斯特应用材料股份有限公司 | 一种封装材料、相关的胶膜和其制法以及光伏组件 |
| CN111675971B (zh) * | 2019-03-11 | 2022-05-03 | 杭州福斯特应用材料股份有限公司 | 一种封装材料、相关的胶膜和其制法以及光伏组件 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103201850A (zh) | 2013-07-10 |
| US20130231411A1 (en) | 2013-09-05 |
| WO2012060652A3 (ko) | 2012-08-02 |
| KR101239533B1 (ko) | 2013-03-06 |
| CN103201850B (zh) | 2016-04-06 |
| DE112011103679T5 (de) | 2013-08-14 |
| US8815966B2 (en) | 2014-08-26 |
| KR20120048288A (ko) | 2012-05-15 |
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