CN201466033U - Solar energy battery backplane - Google Patents
Solar energy battery backplane Download PDFInfo
- Publication number
- CN201466033U CN201466033U CN 200920103149 CN200920103149U CN201466033U CN 201466033 U CN201466033 U CN 201466033U CN 200920103149 CN200920103149 CN 200920103149 CN 200920103149 U CN200920103149 U CN 200920103149U CN 201466033 U CN201466033 U CN 201466033U
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- layer
- solar cell
- base material
- tear
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- Expired - Lifetime
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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
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Abstract
A solar energy battery backplane includes a base material, a weather-resistant layer and a barrier layer. After the improvement, the solar energy battery backplane further includes a tear-resistant splicing layer. The weather-resistant layer is arranged on one surface of the base material, the barrier layer is arranged on the other surface of the base material, and the tear-resistant splicing layer is arranged on the outermost side of the solar energy battery backplane. The solar energy battery backplane has high tear-resistance, high splicing strength between the backplane and a solar energy battery encapsulating material, high weather-resistance and high water vapour barrier property.
Description
Technical field
The utility model relates to a kind of solar cell backboard.
Background technology
As the green replacement scheme of traditional production method of electric energy, photovoltaic cell component is used to utilize sunlight to produce electric energy.Photovoltaic cell component is to be formed by various semiconductor element system assembles, thereby must be protected to alleviate environmental activity such as moisture, oxygen and ultraviolet influence and destruction.Photovoltaic cell component directly is exposed in the atmosphere in use, stand the erosion of variations in temperature, ultraviolet irradiation and steam, if can not resist Effect of Environmental, its opto-electronic conversion performance is easy to decay, lose practical value, thereby the research of solar cell package material is very important, is subjected to people's attention.
The purpose that strengthen weatherability for reaching, intercepts ultraviolet ray, steam, generally adopt two polyvinyl acetate (EVA) film that solar cell (silicon chip) is wrapped up at present, and and upper strata glass, back veneer material hot pressing together, the EVA fusion is cooled off again, several layer materials are bonded as one, and backboard wherein is made up of weathering layer, base material and Obstruct membrane usually.The base material that this solar cell backboard uses is normally made through melt extruding also biaxial tension by PETG (PET), because PET film biaxial tension orientation, it is low to exist the base material tearing strength, makes the shortcoming of tearing easily in the use behind the backboard and causing backboard to scrap.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, a kind of solar cell backboard that is difficult for being torn is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of solar cell backboard comprises base material, the layer of anti-marquis and barrier layer, and in addition, it also comprises tear-resistant adhesive linkage, and the described layer of anti-marquis is positioned at the one side of base material, and barrier layer is positioned at the base material another side, and tear-resistant adhesive linkage is positioned at the outermost of solar cell backboard.
Above-mentioned solar cell backboard, the outside of described barrier layer is provided with the layer of anti-marquis.
Above-mentioned solar cell backboard, described tear-resistant adhesive linkage is a kind of glass fabric, or by a kind of coated glass fibers fabric in polyvinyl acetate, polyvinyl butyral resin, thermoplastic polyurethane, polyamide or the olefin polymer or the film that forms with curtain coating after above-mentioned polymer and the glass fibre blend.
Above-mentioned solar cell backboard, described Obstruct membrane are a kind of or its combination in film, aluminizer or the metal aluminum foil.
Above-mentioned solar cell backboard, the thickness of described tear-resistant adhesive linkage are 5～300 microns; The thickness of described weathering layer is 20～50 microns; The thickness of described Obstruct membrane is 2～250 microns.
The base material that uses in the utility model, can be PETG (PET) resin, poly-single or multiple lift film to formations such as (ethylene naphthalate) (PEN) resins, base material can be transparent, can also be white, black or other colors.Take all factors into consideration from aspects such as thermal endurance, electrical insulating property and prices, first-selected base material is PETG (PET) film.
For improving the weatherability of backboard, the present invention has at least a side to be provided with weathering layer in the both sides of base material, and its thickness is 20～50 microns.
For improving the water vapor barrier property of backboard, the present invention is provided with Obstruct membrane 3 in a side of base material, its thickness is 2～250 microns, Obstruct membrane can be a kind of in film, aluminizer or the metal aluminum foil or its combination, the common film that has method such as vacuum evaporation of utilizing to make behind the thin-layer silicon oxidation film that is coated with on base material (PET, the nylon etc.) surface about thick 10nm; Be coated with the aluminizer of metallic aluminium at substrate surface; The metal aluminum foil of rolling process preparation etc.Obstruct membrane can be transparent also can be opaque.
For improving the tear-resistant performance of back veneer material, and make it and the solar cell package material between can be bonding well, improve its bonding strength, the utility model is provided with tear-resistant adhesive linkage in a side of base material, tear-resistant adhesive linkage can be bonded together with other retes by the method for compound stickup or be compounded on other retes by the method for extruding curtain coating, and the thickness of tear-resistant adhesive linkage is 5～300 microns.
The method of compound stickup described in the utility model is meant that coating, curtain are coated with, be bonded together with the method for another rete by pressure and/or curing behind the known coating method coating adhesives such as rod is coated with, air knife coating, roller coat, heliogravure coating, spraying adopting dip-coating, extruding to be coated with, to slide on the surface of rete.
The solar cell backboard that the utility model provides, its tear-resistant intensity height, and bonding strength height and weather resistance between the solar cell package material are strong, to the barrier property height of steam.
Description of drawings
Fig. 1,2,3 is respectively three kinds of interlayer structure schematic diagrames of the utility model.
Each label is among the figure: 1. base material, the 2. layer of anti-marquis; 3. barrier layer, 4. tear-resistant adhesive linkage.
Embodiment
The utility model is described in further detail below by specific embodiment, but be not limited thereto.
Side coating adhesive at base material PET film, after hot curing, be that 50 microns barrier film is compound with thickness, on barrier film, be coated with weathering layer, the thickness of weathering layer is 30 microns, forming thickness at the opposite side of base material by compound method of attaching is 70 microns the tear-resistant adhesive linkage of glass fabric, obtains solar cell backboard.
Side coating adhesive at base material PET film, after hot curing, be that 2 microns metal aluminum foil is compound with thickness, compound stickup thickness is 20 microns weathering layer on metal aluminum foil, to form thickness be 250 microns tear-resistant adhesive linkage to the glass fabric that is coated with polyvinyl acetate in the compound stickup of the opposite side of base material again, obtains solar cell backboard.
Side coating adhesive at base material PET film, after hot curing, be that 40 microns aluminizer is compound with thickness, the weathering layer of 25 microns of compound stickups on aluminizer, opposite side coating or compound stickup thickness at base material is 25 microns weathering layers again, the thickness of polyvinyl butyral resin that forms by the method for extruding curtain coating on weathering layer and glass fibre blend is 300 microns tear-resistant adhesive linkage again, obtains solar cell backboard.
Side coating or compound stickup weathering layer at base material, its thickness is 50 microns, compound with 100 microns the Obstruct membrane that is combined to form by film, metal aluminum foil after the opposite side coating adhesive of base material and hot curing, being coated with polyolefinic glass fabric by compound stickup again on Obstruct membrane, to form thickness be 150 microns tear-resistant adhesive linkage, obtains solar cell backboard.
Embodiment 5
Side coating or compound stickup weathering layer at base material, its thickness is 20 microns, compound with 250 microns the Obstruct membrane that is combined to form by film, metal aluminum foil, aluminizer after the opposite side coating adhesive of base material and hot curing, coating or compound stickup thickness are 20 microns weathering layer on Obstruct membrane, forming thickness by the method for extruding curtain coating again on weathering layer is 5 microns polyamide and the tear-resistant adhesive linkage of glass fibre blend, obtains solar cell backboard.
Embodiment 6
Side coating or compound stickup weathering layer at base material, its thickness is 20 microns, compound with 100 microns the Obstruct membrane that is combined to form by film, metal aluminum foil, aluminizer after the opposite side coating adhesive of base material and hot curing, coating or compound stickup thickness are 20 microns weathering layer on Obstruct membrane, forming thickness by the method for extruding curtain coating again on weathering layer is 100 microns thermoplastic polyurethane and the tear-resistant adhesive linkage of glass fibre blend, obtains solar cell backboard.Side coating adhesive at base material PET film, after hot curing, be that 50 microns barrier film is compound with thickness, on barrier film, be coated with weathering layer, the thickness of weathering layer is 30 microns, forming thickness at the opposite side of base material by compound method of attaching is 70 microns the tear-resistant adhesive linkage of glass fabric, obtains solar cell backboard.
Claims (5)
1. a solar cell backboard comprises base material (1), the layer of anti-marquis (2) and barrier layer (3), it is characterized in that it also comprises tear-resistant adhesive linkage (4); The described layer of anti-marquis (2) is positioned at base material (1) simultaneously, and barrier layer (3) is positioned at base material (1) another side, and tear-resistant adhesive linkage (4) is positioned at the outermost of solar cell backboard.
2. according to the described solar cell backboard of claim 1, it is characterized in that, be provided with the layer of anti-marquis (2) in the outside of barrier layer (3).
3. according to claim 1 or 2 described solar cell backboards, it is characterized in that, described tear-resistant adhesive linkage (4) is a kind of glass fabric layer, or by a kind of coated glass fibers tissue layer in polyvinyl acetate, polyvinyl butyral resin, thermoplastic polyurethane, polyamide or the olefin polymer.
4. according to the described solar cell backboard of claim 3, it is characterized in that described Obstruct membrane (3) is a kind of or its combination in film, aluminizer or the metal aluminum foil.
5. according to the described solar cell backboard of claim 4, it is characterized in that the thickness of described tear-resistant adhesive linkage (4) is 5～300 microns; The thickness of described weathering layer (2) is 20～50 microns; The thickness of described Obstruct membrane (3) is 2～250 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920103149 CN201466033U (en) | 2009-06-05 | 2009-06-05 | Solar energy battery backplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920103149 CN201466033U (en) | 2009-06-05 | 2009-06-05 | Solar energy battery backplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466033U true CN201466033U (en) | 2010-05-12 |
Family
ID=42393381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920103149 Expired - Lifetime CN201466033U (en) | 2009-06-05 | 2009-06-05 | Solar energy battery backplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466033U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364694A (en) * | 2011-11-01 | 2012-02-29 | 杭州福膜新材料科技有限公司 | Solar battery back plate and solar battery |
| CN102476482A (en) * | 2010-11-25 | 2012-05-30 | 财团法人工业技术研究院 | Packaging film, packaging structure and its formation method |
| CN102544193A (en) * | 2010-12-21 | 2012-07-04 | 沙嫣 | Installation method of solar battery assembly |
| CN102529258A (en) * | 2010-10-20 | 2012-07-04 | 苏州尚善新材料科技有限公司 | Improved solar cell assembly back plate and manufacturing method thereof |
| CN102779880A (en) * | 2012-08-13 | 2012-11-14 | 乐凯胶片股份有限公司 | Polyester tandem solar battery back film |
| CN102931262A (en) * | 2012-11-01 | 2013-02-13 | 乐凯胶片股份有限公司 | Transparent back film for solar cell |
| CN103358628A (en) * | 2012-04-01 | 2013-10-23 | 杨亚升 | Fluoride-free back film for packaging solar battery component and production method thereof |
| CN104124300A (en) * | 2013-04-26 | 2014-10-29 | 比亚迪股份有限公司 | Solar cell backplane and solar cell module |
| US8896135B2 (en) | 2010-08-09 | 2014-11-25 | Industrial Technology Research Institute | Encapsulation film, package structure utilizing the same, and method for forming the package structure |
| CN104900740A (en) * | 2015-05-11 | 2015-09-09 | 保定市易通光伏科技有限公司 | Photovoltaic backplane, manufacture method thereof and photovoltaic module |
| CN105229798A (en) * | 2013-05-31 | 2016-01-06 | 富士胶片株式会社 | Solar cell backboard and solar battery module |
| CN105390560A (en) * | 2014-09-03 | 2016-03-09 | 韩华Qcells有限公司 | Solar module rear side encapsulation element and solar module |
-
2009
- 2009-06-05 CN CN 200920103149 patent/CN201466033U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8896135B2 (en) | 2010-08-09 | 2014-11-25 | Industrial Technology Research Institute | Encapsulation film, package structure utilizing the same, and method for forming the package structure |
| CN102529258A (en) * | 2010-10-20 | 2012-07-04 | 苏州尚善新材料科技有限公司 | Improved solar cell assembly back plate and manufacturing method thereof |
| CN102476482A (en) * | 2010-11-25 | 2012-05-30 | 财团法人工业技术研究院 | Packaging film, packaging structure and its formation method |
| CN102544193A (en) * | 2010-12-21 | 2012-07-04 | 沙嫣 | Installation method of solar battery assembly |
| CN102544193B (en) * | 2010-12-21 | 2015-11-25 | 沙嫣 | The installation method of solar module |
| CN102364694A (en) * | 2011-11-01 | 2012-02-29 | 杭州福膜新材料科技有限公司 | Solar battery back plate and solar battery |
| CN102364694B (en) * | 2011-11-01 | 2015-06-03 | 杭州福膜新材料科技有限公司 | Solar battery back plate and solar battery |
| CN103358628A (en) * | 2012-04-01 | 2013-10-23 | 杨亚升 | Fluoride-free back film for packaging solar battery component and production method thereof |
| CN102779880A (en) * | 2012-08-13 | 2012-11-14 | 乐凯胶片股份有限公司 | Polyester tandem solar battery back film |
| CN102931262A (en) * | 2012-11-01 | 2013-02-13 | 乐凯胶片股份有限公司 | Transparent back film for solar cell |
| CN102931262B (en) * | 2012-11-01 | 2016-06-22 | 乐凯胶片股份有限公司 | A kind of transparent solar cell notacoria |
| CN104124300A (en) * | 2013-04-26 | 2014-10-29 | 比亚迪股份有限公司 | Solar cell backplane and solar cell module |
| CN105229798A (en) * | 2013-05-31 | 2016-01-06 | 富士胶片株式会社 | Solar cell backboard and solar battery module |
| CN105229798B (en) * | 2013-05-31 | 2017-05-24 | 富士胶片株式会社 | Solar cell back sheet, and solar cell module |
| CN105390560A (en) * | 2014-09-03 | 2016-03-09 | 韩华Qcells有限公司 | Solar module rear side encapsulation element and solar module |
| CN104900740A (en) * | 2015-05-11 | 2015-09-09 | 保定市易通光伏科技有限公司 | Photovoltaic backplane, manufacture method thereof and photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA LUCKY GROUP CORPORATION Free format text: FORMER NAME: CHINESE LEKAI FILM GROUP CO |
|
| CP03 | Change of name, title or address |
Address after: South Street, new urban lucky 071054 Hebei province Baoding City No. 6 Patentee after: China Lucky Group Corporation Patentee after: Lucky Film Co., Ltd. Address before: 071054 Kennan street, Hebei, Baoding, No. 6 Patentee before: Chinese Lekai Film Group Co Patentee before: Lucky Film Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |