CN202917521U - Solar battery backboard with excellent weather resistance - Google Patents
Solar battery backboard with excellent weather resistance Download PDFInfo
- Publication number
- CN202917521U CN202917521U CN 201220518478 CN201220518478U CN202917521U CN 202917521 U CN202917521 U CN 202917521U CN 201220518478 CN201220518478 CN 201220518478 CN 201220518478 U CN201220518478 U CN 201220518478U CN 202917521 U CN202917521 U CN 202917521U
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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
The utility model discloses a solar battery backboard with excellent weather resistance. The battery backboard is of a four-layer structure, wherein the four-layer structure comprises an F-containing composite film, a glue layer, a PEF film and a fluorine-containing resin film layer successively from top to bottom. The F-containing composite film and the fluorine-containing resin film layer are employed to replace imported PVDF or PVF films, thereby greatly reducing the production cost; and the F-containing composite film can resist damages as ultraviolet radiation, thereby ensuring that the backboard possesses excellent weather resistance.
Description
Technical field
The utility model relates to technical field of solar batteries, the solar cell backboard that a kind of weather resisteant can be good specifically.
Background technology
From twentieth century since the middle period, along with the continuous consumption of the traditional energies such as coal, oil and by the inferior global pollution problem that brings, people have turned one's attention to regenerative resource gradually, and wish that regenerative resource can change present energy resource structure afterwards, to keep human sustainable development.In the new forms of energy of current mankind exploitation, solar energy becomes the focus that people pay attention to its exclusive advantage.The mode of the solar energy of at present human development has light to turn heat, light turns heat and turns the modes such as electricity, the direct turning point of light (being photovoltaic generation) again.Wherein photovoltaic generation enjoys favor with the characteristics of its spatter property, fail safe, has obtained in recent years development at a high speed.China has become the producing country of the maximum solar module in the whole world at present, and has formed the solar energy industry cluster that differs from one another in areas such as the Yangtze River Delta, the ring Bohai Sea, Pearl River Delta, Midwest.At present.The year installation amount of global photovoltaic in 2011 has reached 23.5GW, estimates that the solar energy installation amount of the year two thousand twenty China will reach 50-100GW.Photovoltaic still has huge growing space.
In present various solar cells, the technology of crystal silicon solar energy battery is the most ripe, is most widely used.The crystal silicon solar assembly is a sandwich construction, is formed by photic zone, glue-line, cell piece, glue-line, backboard successively laminating packaging.Wherein, photic zone generally adopts glass material, and glue-line adopts the EVA glued membrane usually.Normally a kind of multilayer materials of backboard must have the performances such as high insulation, ageing-resistant, uvioresistant, water vapor rejection and preferably dimensional stability, enough mechanical strength.The effect of backboard is the mechanical strength that improves solar cell, and the protection crystal silicon chip prevents that water vapor permeable from affecting the useful life of cell piece in the sealant.Because the operating time of solar cell will reach 25 years; therefore; backboard must will possess in long-time to be resisted sunlight, rainwater, wind, impacts and destruction that any extraneous factor such as humiture variation is brought, and protects the silicon chip in the cell piece.
Be example at TPT backboard commonly used in the market, this backboard outermost layer adopts the Tedlar film, has guaranteed that backboard has good ageing-resistant, uvioresistant performance, and the middle PET film that adopts has guaranteed that backboard has good insulation and water vapor rejection performance.Publication number is that the utility model of CN201841726U is such structure, polyvinyl fluoride thin film, glue-line, polyethylene terephthalate film, glue-line, polyvinyl fluoride thin film.
Along with the development of photovoltaic industry, market proposes more and more higher requirement to backboard, not only needs backboard to possess good performance, and the cost that also needs to produce backboard is enough low.Therefore need the new solar cell backboard of exploitation to satisfy the demand.
The utility model content
The utility model provides a kind of solar cell backboard of high comprehensive performance.
The technical solution adopted in the utility model is: the solar cell backboard that a kind of weather resisteant can be good, and described battery back-sheet is four-layer structure, described four-layer structure from top to bottom is followed successively by: contain F composite membrane, glue-line, PET film and fluoroplastic film layer.
Preferably, the thickness of the described F of containing composite membrane is 0.02-0.05mm, and the thickness of described glue-line is 0.01-0.03mm, and the thickness of described PET film is 0.2-0.3mm, and the thickness of described fluoroplastic film layer is 0.02-0.05mm.
Preferably, the described F of containing composite membrane is PVDF layer and polyacrylic composite membrane, and the thickness of PVDF layer is 0.005-0.015mm.
Preferably, described glue-line is polyurethane adhesive water layer or acryl glue water layer.
Preferably, described fluoroplastic film layer is the film that fluorine resin solidify to form, and fluorine resin comprises tetrafluoroethylene resin and trifluorochlorethylene resin.
The utility model adopts PVDF or the PVF film that contains F composite membrane and fluoroplastic film layer replacement import, greatly reduces production costs; Contain the F composite membrane and can resist the ultraviolet wire spoke according to equivalent damage, guarantee that backboard possesses excellent weather resisteant energy.
Description of drawings
Fig. 1 is the utility model back board structure schematic diagram.
Among the figure: contain F composite membrane 1, glue-line 2, PET film 3, fluoroplastic film layer 4.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated; should understand following embodiment and only be not used in restriction scope of the present utility model for explanation the utility model, those skilled in the art all fall within the claimed limited range of the application various equivalence replacements of the present utility model, modification.
Shown in Figure 1, a kind of weather resisteant can from top to bottom be followed successively by by good solar cell backboard: contain F composite membrane 1, glue-line 2, PET film 3 and fluoroplastic film layer 4.The thickness that contains F composite membrane 1 is 0.02-0.05mm, and the thickness of glue-line 2 is 0.01-0.03mm, and the thickness of PET film 3 is 0.2-0.3mm, and the thickness of fluoroplastic film layer 4 is 0.02-0.05mm; Contain F composite membrane 1 and be PVDF layer and polyacrylic composite membrane, the thickness of PVDF layer is 0.005-0.015mm; Glue-line 2 is polyurethane adhesive water layer or acryl glue water layer; The film that fluoroplastic film layer 4 solidify to form for fluorine resin, fluorine resin comprise tetrafluoroethylene resin and trifluorochlorethylene resin.
Claims (5)
1. the solar cell backboard that a weather resisteant can be good, it is characterized in that: described battery back-sheet is four-layer structure, and described four-layer structure from top to bottom is followed successively by: contain F composite membrane, glue-line, PET film and fluoroplastic film layer.
2. the solar cell backboard that a kind of weather resisteant according to claim 1 can be good, it is characterized in that: the thickness of the described F of containing composite membrane is 0.02-0.05mm, the thickness of described glue-line is 0.01-0.03mm, the thickness of described PET film is 0.2-0.3mm, and the thickness of described fluoroplastic film layer is 0.02-0.05mm.
3. the solar cell backboard that a kind of weather resisteant according to claim 1 and 2 can be good, it is characterized in that: the described F of containing composite membrane is PVDF layer and polyacrylic composite membrane, and the thickness of PVDF layer is 0.005-0.015mm.
4. the solar cell backboard that a kind of weather resisteant according to claim 1 and 2 can be good, it is characterized in that: described glue-line is polyurethane adhesive water layer or acryl glue water layer.
5. the solar cell backboard that a kind of weather resisteant according to claim 1 and 2 can be good, it is characterized in that: described fluoroplastic film layer is the film that fluorine resin solidify to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518478 CN202917521U (en) | 2012-10-11 | 2012-10-11 | Solar battery backboard with excellent weather resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518478 CN202917521U (en) | 2012-10-11 | 2012-10-11 | Solar battery backboard with excellent weather resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917521U true CN202917521U (en) | 2013-05-01 |
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ID=48165805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220518478 Expired - Fee Related CN202917521U (en) | 2012-10-11 | 2012-10-11 | Solar battery backboard with excellent weather resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591339A (en) * | 2018-10-29 | 2019-04-09 | 苏州福慧材料科技有限公司 | A kind of production technology of the weather-proof agricultural film of the high temperature of three-decker |
-
2012
- 2012-10-11 CN CN 201220518478 patent/CN202917521U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591339A (en) * | 2018-10-29 | 2019-04-09 | 苏州福慧材料科技有限公司 | A kind of production technology of the weather-proof agricultural film of the high temperature of three-decker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20141011 |
|
| EXPY | Termination of patent right or utility model |