CN103227236A - A method for manufacturing a solar-energy battery module group and a solar-energy battery module group - Google Patents
A method for manufacturing a solar-energy battery module group and a solar-energy battery module group Download PDFInfo
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- CN103227236A CN103227236A CN201310029917XA CN201310029917A CN103227236A CN 103227236 A CN103227236 A CN 103227236A CN 201310029917X A CN201310029917X A CN 201310029917XA CN 201310029917 A CN201310029917 A CN 201310029917A CN 103227236 A CN103227236 A CN 103227236A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention is aimed at providing a method for manufacturing a solar-energy battery module group with excellent durability with an unprecedented simple manufacturing method. In order to achieve the purpose, the method for manufacturing a solar-energy battery module group is provided. The structure of the solar-energy battery module group comprises a back panel, a silicone rubber sheet (A), multiple solar-energy battery units, a silicone rubber sheet (B), and a surface panel which are successively laminated. The method for manufacturing a solar-energy battery module group is characterized in that the ultraviolet irradiation is performed on at least one of the surface and the back surface of the silicone rubber sheet (A) and the silicone rubber sheet (B). And then the licone rubber sheet (A) and the silicone rubber sheet (B) are bonded in order to be laminated.
Description
Technical field
The present invention relates to a kind of manufacture method of solar cell module, in more detail, relate to a kind of the manufacture method of silicone rubber (Silicone rubber is also referred to as silicon rubber) sheet material as the solar cell module of encapsulant.
Background technology
Now, sunlight being converted to the solar cell of electric energy, as the representative of clean energy resource and exploitation constantly, and is the most noticeable technology.
As the material of solar cell, can enumerate: monocrystalline silicon, polysilicon, amorphous silicon, amorphous silicon germanium, and the amorphous semiconductor of four sides system such as amorphous SiC; Or, CdS, Cu
2II-VI family or III-V compound semiconductors such as GaAs, GaAlAs such as S.
In solar cell is in the past made, be to use glass plate to be used as panel, yet, lighting, application property, the plastic film that reaches the production excellence or metallic film are carried out as the research and development of the pliability solar cell of panel.As the solar cell module following structure is arranged: the two sides is the structure of glass plate; And the top layer is not a glass plate, and is to use fluororesin, polymethyl methacrylate, polysulfones, polyether sulfone, polyvinyl chloride or Merlon etc., especially uses the structure of tetrafluoroethene (ETFE) sheet material of weatherability, light transmission excellence.
In addition; as be used to protect, the encapsulant of fixed solar battery unit; use ethylene-vinyl acetate copolymer (ethylene-vinyl acetate copolymer, EVA), vinyl chloride copolymer, polyvinyl alcohol (polyvinyl alcohol, PVA) or polyvinyl butyral resin (polyvinyl butyral; PVB) etc.; yet because arbitrary material is compared with silicone material, weatherability is all relatively poor, therefore; in needing the purposes of long durability, can use silicone material.
The prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication sho 62-152183 communique
Patent documentation 2: Japanese Patent Publication 63-46783 communique
Patent documentation 3: Japanese Unexamined Patent Application Publication 2007-527109 communique
Patent documentation 4: No. 4760315 communique of Japan Patent
Summary of the invention
Yet, because in the past silicone material is aqueous, therefore when making the solar cell module, can be involved in bubble or needs to repeat complicated fabrication schedule such as heating process, thereby need special manufacturing installation and become a problem.On the other hand, if utilize the vacuum hotpressing device, silicone rubber sheet forming after similarly will being heating and curing with ethylene-vinyl acetate copolymer (EVA), to have following problem so: because and panel and solar battery cell etc. between adherence insufficient, therefore, can't give full play to sealing effectiveness, as the durability of solar cell module also variation.
The present invention finishes in view of the above problems, and purpose is to provide a kind of unprecedented easy manufacture method of utilizing, and makes the method for the solar cell module of excellent in te pins of durability.
In order to solve above-mentioned problem, the invention provides a kind of manufacture method of solar cell module, the structure of described solar cell module for by back panel, silicone rubber sheet material (A), a plurality of solar battery cell, silicone rubber sheet material (B), and surface panel successively lamination form; The manufacture method of described solar cell module is characterised in that:
One side at least in aforementioned silicone rubber sheet (A) and the surface (B) and the back side is carried out ultraviolet irradiation, fit and lamination then.
Manufacture method according to this solar cell module, can improve silicone rubber sheet material and panel or solar battery cell and silicone rubber adherence each other as problem, and can improve the durability of solar cell module, and can make a kind of solar cell module, at high pressure accelerating aging test (pressure cooker test, PCT), dewfall is freezed can not reduce module generating efficiency, excellent in te pins of durability in cyclic test etc.
In addition, reach (B), more preferably for the addition curable silicone rubber sheet material of employing use platinum catalyst or with free radical (radical) the curing type silicone rubber sheet material of organic peroxide as catalyst as aforementioned silicone rubber sheet (A).
If use this silicone rubber sheet material,, can make the solar cell module more easily by the operability and the processing and forming of excellence.
In addition, the invention provides a kind of solar cell module, it is characterized in that:
Its structure for by back panel, silicone rubber sheet material (A), a plurality of solar battery cell, silicone rubber sheet material (B), and surface panel successively lamination form; And the one side at least in aforementioned silicone rubber sheet (A) and the surface (B) and the back side is handled through ultraviolet irradiation.
The silicone rubber sheet material of solar cell module of the present invention and panel or solar battery cell and silicone rubber adherence excellence each other.Therefore, the excellent in te pins of durability of solar cell module is freezed can not reduce module generating efficiency, excellent in te pins of durability in cyclic test etc. in high pressure accelerating aging test, dewfall.
As described above, the manufacture method of solar cell module of the present invention, as with weatherability, thermal endurance, and the silicone rubber of cold resistance excellence is as the method for encapsulant, it is a kind of unprecedented easy manufacture method, and can improve silicone rubber sheet material and panel or solar battery cell as problem, and silicone rubber adherence each other, and the durability of raising solar cell module, and can make a kind of solar cell module, in the high pressure accelerating aging test, dewfall is freezed can not reduce the module generating efficiency in cyclic test etc., excellent in te pins of durability.
Description of drawings
Fig. 1 is the synoptic diagram of an example of expression solar cell module of the present invention.
Wherein, description of reference numerals is as follows:
1 blank glass (back panel)
2 silicone rubber sheet materials (A)
3 solar battery cells
4 silicone rubber sheet materials (B)
5 blank glass (surface panel)
6 encapsulants
10 solar cell modules
Embodiment
Below, further describe the present invention in detail.
As mentioned above, expectation proposes a kind of easy manufacture method of solar cell module, and described method is as encapsulant with the silicone rubber of excellent in te pins of durability (Silicone rubber is also referred to as silicon rubber).
The inventor has carried out research with keen determination, found that a kind of manufacture method of solar cell module, the structure of described solar cell module for by back panel, silicone rubber sheet material (A), a plurality of solar battery cell, silicone rubber sheet material (B), and surface panel successively lamination form; Handle by the one side at least in aforementioned silicone rubber sheet (A) and (B) the surface and the back side is carried out ultraviolet irradiation, fit then and lamination can be made the solar cell module of excellent in te pins of durability easily, thereby finish the present invention.
Below, at first, for can make among the present invention with the member of formation of silicone sheet material as the solar cell module of encapsulant, be described in detail.
According to the solar cell module 10 that manufacture method manufacturing of the present invention forms, structure is for to form (with reference to Fig. 1) by back panel 1, silicone rubber sheet material (A) 2, a plurality of solar battery cell 3, silicone rubber sheet material (B) 4, surface panel 5 lamination successively.
Silicone rubber sheet material (A) and (B)
Silicone rubber sheet material (A) reaches (B), can make following silicone rubber composition curing and be fabricated to sheet.
Organopolysiloxane as the main component of silicone rubber composition more preferably is by shown in the following average chemical formula (1):
RnSiO (4-n)/2 (1) (n is 1.95～2.05 positive number).
In the formula, R represents to replace or unsubstituted monovalence alkyl, specifically, and can illustration: methyl, ethyl, and alkyl such as propyl group; Cycloalkyl such as cyclopenta, cyclohexyl; Thiazolinyl such as vinyl, acrylic; Aryl such as phenyl, tolyl; Or, utilize chlorine atom, fluorine atom etc., the halogenation alkyl after their part hydrogen atom is replaced etc.; Generally more preferably be, the main chain of organopolysiloxane is made up of dimethyl siloxane units, or in the main chain of this organopolysiloxane, import vinyl, phenyl, and trifluoro propyl etc.In addition, molecule chain end can be blocked by three organosilicon alkyl (triorganosilyl) or hydroxyl, and this three organosilicons alkyl can illustration: TMS, dimethyl vinyl silanes base, and trivinyl silylation etc.
And more preferably the number-average degree of polymerization of composition is more than 200 for this reason, and the viscosity under 25 ℃ is more than the 0.3Pa.s.If number-average degree of polymerization is more than 200, the mechanical strength excellence after the curing.From the viewpoint of operability, the upper limit of number-average degree of polymerization more preferably is below 20,000, especially below 10,000.
In addition, this organopolysiloxane more preferably is to have at least 2 thiazolinyls that are binding on silicon atom in 1 molecule, more preferably contains 0.001～5 mole of %, the vinyl of 0.01～1 mole of % especially for R.
Generally, more preferably be in silicone rubber sheet material (A), (B), allotment silicone resin and enhancement mode silicon dioxide are so that improve the mechanical strength of silicone rubber; For the sealant of solar cell module, because the transparency is also very important, therefore allotment has silicone resin mostly, so that guarantee the transparency.At this moment, be not particularly limited as resin-like (chain, three-dimensional netted) organopolysiloxane, so long as contain thiazolinyl and SiO
4/2Unit (Q unit) and/or R " SiO
3/2The organopolysiloxane of (T unit) (R'' is R or R') gets final product, can illustration: by SiO
4/2Unit (Q unit), RR'
2SiO
1/2Unit and R'
3SiO
1/2The M unit of unit etc. is formed, and the mol ratio of M/Q is 0.6～1.2 resin-like organopolysiloxane; With resin-like organopolysiloxane of forming by T unit and M unit and/or D unit etc.
The more preferably allotment ratio of organopolysiloxane and resin-like organopolysiloxane more preferably is 60:40～100:0 according to mass ratio, especially more preferably is 80:20～100:0.If making the addition of resin-like organopolysiloxane is below 40 mass parts, just need not to worry that viscosity is too high, and operability is more good.
On the other hand, as enhancement mode silicon dioxide, be 50m more preferably for BET method specific area
2More than/the g, 100～400m especially
2/ g.But this enhancement mode silicon dioxide illustration: cigarette system silicon dioxide (dry type silicon dioxide), precipitated silica (wet silicon dioxide) etc.In addition, can also utilize organopolysiloxane, organosilazanes, chlorosilane, reach alkoxy silane etc., hydrophobization be carried out on the surface of enhancement mode silicon dioxide handle.The addition of this enhancement mode silicon dioxide can be deployed into the degree of the harmless silicone rubber sheet material transparency.Can be by utilizing twin-roll machine (twin roll), Banbury mixer (banbury mixer), kneader (kneader), reaching planetary mixer mixing rolls such as (planetary mixer), mentioned component is evenly mixed, and heat-treat with the temperature more than 100 ℃ as required, and obtain allocating the silicone rubber composition of enhancement mode silicon dioxide.
As making the silicone rubber composition be solidified into the curing agent of rubber sheet, can be the known in the past curing agent that is generally used for curing silicon rubber, can illustration: employed di-tert-butyl peroxide, 2 in the radical reaction, 5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane, and cumyl peroxide organic peroxides such as (dicumyl peroxide); And, when as the addition reaction curing agent, when organopolysiloxane has thiazolinyl, the product of forming by organic hydrogen polysiloxanes that contains the hydrogen atom that is binding on silicon atom more than 2 in 1 molecule and platinum group metal class catalyst; Wherein, its addition and common identical the getting final product of silicone rubber.
As the silicone rubber composition, also can use in mixed milling type silicone rubber composition and the aqueous type silicone rubber composition any.From the point of operability, processing and forming, the silicone rubber composition of the enhancement mode silicon dioxide of organic peroxide curing type or addition reaction curing type is arranged for allotment more preferably.
And then, in order to improve the adherence with panel or solar battery cell, generally can at random allocate the additive that is called the auxiliary agent of adhering.Specifically, also can add: the organic compound that contains epoxy radicals or acrylic, methacrylic organic functional bases such as (methallyl); With, and then have the silane compound or the silicone compounds of these organic functional bases; And then have the water-disintegrable silylation of alkoxyl etc., and have the organo-silicon compound of above-mentioned organic functional base.
Owing to be to be sheet with above-mentioned silicone rubber composition molding; according to catalyst condition of cure separately; make its curing; and make sheet material; therefore; the sheet thickness of solar cell module encapsulant is more than the 100 μ m, and from mouldability, operability, and as sealant so that the protection battery, required sheet thickness is comparatively suitable about 300～2000 μ m.
Silicone rubber sheet material (A) can be a same material with silicone rubber sheet material (B), also can be the solidfied material of different components.
More preferably be to use the addition curable silicone rubber sheet material of platinum catalyst or with the radical-curable silicone rubber sheet material of organic peroxide as catalyst.
Back panel
Require back panel that the temperature of solar cell device is carried out high efficiency and heat radiation, can enumerate as material: glass material, synthetic resin material, metal material or their composite component.As the example of glass material, can enumerate blue or green glass sheet, blank glass or tempered glass etc.; As the synthetic resin material, can enumerate allyl resin, Merlon (PC) resin, PETG (PET) resin or epoxy resin etc.And then, use the back-sheet of TPT (polyvinyl fluoride composite membrane) etc.As metal material, can enumerate copper, aluminium or iron etc. in addition; As composite material, can enumerate comprised silicon dioxide and titanium dioxide, aluminium oxide, and aluminium nitride etc. have the synthetic resin etc. of the material of high thermal conductivity.
Surface panel
As the surface is the panel of so-called sensitive surface, the member that need have the transparency, weatherability, resistance to impact and the long-term reliability in outdoor application, for example have: blank tempered glass, allyl resin, fluororesin or polycarbonate resin etc., in general, thickness is that blank tempered glass about 3～5mm is widely used.
Solar battery cell
In solar battery cell, be to use a kind or 2 kinds of silicon materials being selected from monocrystalline silicon or the polysilicon, make solar battery cell, and solar battery cell group (solar battery cell string, solar strings) is to utilize TAB line (internal connection line), solar cell device is formed by connecting.
The relevant detailed content of the manufacture method of solar cell module of the present invention, following record.
Specifically, be a kind of manufacture method of solar cell module 10, the structure of described solar cell module 10 is for to be formed by back panel 1, silicone rubber sheet material (A) 2, a plurality of solar battery cell 3, silicone rubber sheet material (B) 4, surface panel 5 lamination successively; And, the one side at least in aforementioned silicone rubber sheet (A) and the surface (B) and the back side is carried out ultraviolet irradiation handle, fit and lamination then.
As making the interface show adhesive processing, be to engage after the ultraviolet ray of 172nm or 126nm more preferably for illumination wavelength.In addition, position as irradiation ultraviolet radiation, single face irradiation ultraviolet radiation separately to silicone rubber sheet material (A), (B), thereby panel and silicone rubber sheet material are adhered well, and on the face of irradiation ultraviolet radiation not, because of the adherence on surface, between the silicone rubber sheet material and the connecting airtight property between solar battery cell and the silicone rubber sheet material also become well, can produce a kind of bubble-tight solar cell module that has.
On the other hand, if two-sided irradiation separately to silicone rubber sheet material (A), (B), then back panel, surface panel, the mutual adherence of solar battery cell improve, and silicone rubber sheet material and panel, silicone rubber sheet material and solar battery cell can adhere or connect airtight well.
In addition, not only can carry out ultraviolet irradiation, also can carry out back panel and surface panel to the silicone rubber sheet material.
And then, by with back panel, silicone rubber sheet material (A), solar battery cell, silicone rubber sheet material (B), and surface panel lamination, and carry out that vacuum is connected airtight etc., can make well.
In addition, as shown in Figure 1, can also on the peripheral part of panel, encapsulant 6 be set, as butyl rubber, silicone rubber, and acrylate rubber etc.When using the lower encapsulant of weatherability such as butyl rubber, more preferably be the aluminium etc. that is covered in the outside.
[embodiment]
Below, embodiment and comparative example are shown, specify the present invention, but the present invention is not limited to following embodiment.
And the ultraviolet irradiation condition in following embodiment and the comparative example is as described below.
The ultraviolet irradiation condition
(carry out following processing on material surface: ultraviolet illumination is 10mW/cm for Ushio, Inc.) the SCQ05 device of Electric Co., Ltd's manufacturing to use oxtail
2, irradiation time is 10 seconds, ultraviolet integrating illumination is 100mW/cm
2Second.
[embodiment, comparative example]
The making of solar cell module (no encapsulant)
To 340mm * 360mm and thickness is on the blank tempered glass of 3.2mm, the addition curable silicone rubber sheet material that lamination is 500 microns, and then, the silicon single crystal solar battery cell group of mounting 2 * 2 arrays (adding up to 4 unit), and then the addition curable silicone rubber sheet material of 500 microns of laminations in the above, and up behind the lamination blank tempered glass, use the vacuum compressing device, through vacuum degree be 1Torr, 130 ℃ add thermo-compressed, hot pressing 5 minutes, thus produce the solar cell module.
And, the silicone rubber sheet material that embodiment 1 is to use the two sides at silicone rubber sheet material (A) and (B) surface/back side to carry out ultraviolet irradiation, and 2 faces of embodiment to the back panel of contact silicone rubber sheet material (A), and the face of the surface panel of contact silicone rubber sheet material (B) carried out ultraviolet irradiation.And then comparative example 1 is not to any member irradiation ultraviolet radiation and makes.
The making of solar cell module (encapsulant is arranged)
To 340mm * 360mm and thickness is on the blank tempered glass of 3.2mm, the addition curable silicone rubber sheet material that lamination is 500 microns, and then, the silicon single crystal solar battery cell group of mounting 2 * 2 arrays, and then the addition curable silicone rubber sheet material of 500 microns of laminations in the above, and up behind the lamination blank tempered glass, use the vacuum compressing device, with vacuum degree be 1Torr, 130 ℃ add thermo-compressed, hot pressing 5 minutes.Then, by the butyl rubber that outside the peripheral part adhesion of panel, is covered, thereby make the solar cell module by aluminium.
And, the silicone rubber sheet material that embodiment 3 is to use the two sides at silicone rubber sheet material (A) and (B) surface/back side to carry out ultraviolet irradiation, and 4 faces of embodiment to silicone rubber sheet material (A) contact back panel, and the face of silicone rubber sheet material (B) contact surface panel carried out ultraviolet irradiation.And then comparative example 2 is not to any member irradiation ultraviolet radiation and makes.
For the foregoing description 1 to embodiment 4, comparative example 1 resulting solar cell module to the comparative example 2, ground as follows carries out high pressure accelerating aging test and dewfall freezing test.
The high pressure accelerating aging test
The solar cell module is dropped in 2 air pressure, 125 ℃, 100% the high pressure accelerating aging test, will be through the module generating efficiency differential after 100 hours in table 1.
The dewfall freezing test
About the dewfall freezing test, will be from the temperature change to-40 ℃ of the state that keeps 85 ℃ and 85% humidity certain hour as 1 cycle, the module generating efficiency differential of implementing 10 all after dates is in table 2.
Table 1
| ? | |
| Embodiment | |
| 1 | Almost do not descend |
| |
Almost do not descend |
| |
Almost do not descend |
| Embodiment 4 | Almost do not descend |
| Comparative example 1 | Descend more than 10% |
| Comparative example 2 | Descend 5% |
Table 2
| ? | |
| Embodiment | |
| 1 | Almost do not descend |
| |
Almost do not descend |
| |
Almost do not descend |
| Embodiment 4 | Almost do not descend |
| Comparative example 1 | Descend more than 5% |
| Comparative example 2 | Descend 3% |
Shown in table 1 and 2, the solar cell module of manufacturing in the comparative example 1 and 2, in arbitrary test of high pressure accelerating aging test and dewfall freezing test, generating efficiency all descends.
On the other hand, the solar cell module of manufacturing among the embodiment 1 to 4, in arbitrary test of high pressure accelerating aging test and dewfall freezing test, generating efficiency does not all almost descend, confirmed manufacture method (embodiment 1 to 4) according to solar cell module of the present invention, can utilize easy method, produce the solar cell module of excellent in te pins of durability.
In addition, the present invention is not limited to above-mentioned execution mode.Above-mentioned execution mode is an illustration, has and the identical structure of the described technological thought essence of claims of the present invention, and the technical scheme of performance same function effect, all be included in the technical scope of the present invention.
Claims (3)
1. the manufacture method of a solar cell module, the structure of described solar cell module for by back panel, silicone rubber sheet material (A), a plurality of solar battery cell, silicone rubber sheet material (B), and surface panel successively lamination form; The manufacture method of described solar cell module is characterised in that:
One side at least in aforementioned silicone rubber sheet (A) and the surface (B) and the back side is carried out ultraviolet irradiation, fit and lamination then.
2. the manufacture method of solar cell module as claimed in claim 1, wherein, aforementioned silicone rubber sheet (A) and (B) be to have adopted the addition curable silicone rubber sheet material that uses platinum catalyst or with the radical-curable silicone rubber sheet material of organic peroxide as catalyst.
3. a solar cell module is characterized in that,
Its structure for by back panel, silicone rubber sheet material (A), a plurality of solar battery cell, silicone rubber sheet material (B), and surface panel successively lamination form; And the one side at least in aforementioned silicone rubber sheet (A) and the surface (B) and the back side has been implemented the ultraviolet irradiation processing.
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| JP2012013533A JP2013153085A (en) | 2012-01-25 | 2012-01-25 | Manufacturing method of solar cell module and solar cell module |
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| JP6233196B2 (en) * | 2013-08-30 | 2017-11-22 | 信越化学工業株式会社 | Manufacturing method of solar cell module |
| JP6217328B2 (en) * | 2013-11-11 | 2017-10-25 | 信越化学工業株式会社 | UV shielding silicone adhesive sheet for solar cell sealing and solar cell module using the same |
| JP6319118B2 (en) * | 2015-01-27 | 2018-05-09 | 信越化学工業株式会社 | Solar cell module and method for manufacturing solar cell module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10275928A (en) * | 1997-03-28 | 1998-10-13 | Sanyo Electric Co Ltd | Method for manufacturing solar battery module |
| US20100098954A1 (en) * | 2008-10-22 | 2010-04-22 | Seiko Epson Corporation | Optical element and optical element manufacturing method |
| CN101914364A (en) * | 2010-08-12 | 2010-12-15 | 华南理工大学 | UV (ultraviolet) curing silicone sealant and preparation method thereof |
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| JP2837043B2 (en) * | 1992-09-16 | 1998-12-14 | ポリマテック株式会社 | Contact rubber with key top |
| JPH11103085A (en) * | 1997-09-29 | 1999-04-13 | Shin Etsu Polymer Co Ltd | Solar battery, its manufacture and solar battery unit |
| JP4185450B2 (en) * | 2002-12-11 | 2008-11-26 | 信越化学工業株式会社 | Radiation curable silicone rubber composition, adhesive silicone elastomer film comprising the composition, structure using the composition, and method for producing the same |
| JP4760315B2 (en) * | 2005-11-09 | 2011-08-31 | ウシオ電機株式会社 | Joining method |
| JP2007145507A (en) * | 2005-11-28 | 2007-06-14 | Fuji Xerox Co Ltd | Method of manufacturing endless belt having rib and cylindrical core body used therefor |
| JP4868143B2 (en) * | 2006-09-20 | 2012-02-01 | 信越化学工業株式会社 | Addition-curing liquid conductive silicone rubber composition for developing roller and developing roller |
| JP5245233B2 (en) * | 2006-09-22 | 2013-07-24 | 信越化学工業株式会社 | Silicone rubber composition for polymer electrolyte and proton conductive polymer electrolyte membrane |
| JP2011254009A (en) * | 2010-06-03 | 2011-12-15 | Shin Etsu Chem Co Ltd | Solar cell module silicone resin composition and solar cell module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10275928A (en) * | 1997-03-28 | 1998-10-13 | Sanyo Electric Co Ltd | Method for manufacturing solar battery module |
| US20100098954A1 (en) * | 2008-10-22 | 2010-04-22 | Seiko Epson Corporation | Optical element and optical element manufacturing method |
| CN101914364A (en) * | 2010-08-12 | 2010-12-15 | 华南理工大学 | UV (ultraviolet) curing silicone sealant and preparation method thereof |
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Application publication date: 20130731 |