CN202423336U - Polyolefin modified solar cell backplane - Google Patents
Polyolefin modified solar cell backplane Download PDFInfo
- Publication number
- CN202423336U CN202423336U CN 201120567374 CN201120567374U CN202423336U CN 202423336 U CN202423336 U CN 202423336U CN 201120567374 CN201120567374 CN 201120567374 CN 201120567374 U CN201120567374 U CN 201120567374U CN 202423336 U CN202423336 U CN 202423336U
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- China
- Prior art keywords
- solar cell
- resistant
- wet
- polyolefin modified
- heat ageing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- 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
The utility model provides a polyolefin modified solar cell backplane, which comprises a base layer and moisture and heat resistance aging layers respectively arranged at two sides of the base layer. The base layer is moisture and heat resistant and aging resistant polyethylene terephthalate (PET) which is formed by commixing and modifying; the thickness range of the base layer is 50-350 microns; the moisture and heat resistance aging layers are made of polyolefin materials formed by filling and modifying; the thickness range of the moisture and heat resistance aging layers is preferably 10-250 microns. The polyolefin modified solar cell backplane provided by the utility model has the advantages that the solar cell backplane is moisture and heat resistant, aging resistant, tear resistant, hydrolysis resistant, weather resistant, compact resistant, electrically insulated, stable in size and easy to process.
Description
Technical field
The utility model relates to solar cell backboard field, particularly a kind of polyolefin modified solar cell backboard.
Background technology
The solar cell backboard is the indispensable part of solar cell, and backboard is the protective material of cell backside, is used for supporting, fixing solar cell, and plays the effect of protecting solar module.Because battery back-sheet is positioned at the outermost layer at the back side of solar module, requires backboard to have good anti-environmental attack ability, thereby the material of manufacturing solar cell backboard must have wet and heat ageing resistant property; High-low temperature resistant; Hydrolytic resistance, decay resistance, and continue to resist light-struck ability.
CN101177514A discloses a kind of solar cell backboard and preparation method thereof, and this backboard comprises base material and fluoropolymer layer, and each component of fluoropolymer layer is counted by weight: fluorine resin 25-45 part; Modified resin 1.5-3 part; Polymer filler 0.5-3 part; Inorganic filler 0.1-1 part; Solvent 50-70 part.CN101097967A discloses a kind of compound film for solar battery rear board and preparation method thereof.Described compound film for solar battery rear board is composited by following trilaminate material: the pvf film that 0.035-0.045mm is thick; 0.18-0.30mm thick PET film; 0.025-0.035mm thick EVA coating.The solar cell backboard material of above-mentioned publication has adopted the fluorine material, has drawback: the fluorine material surface energy is high, surperficial hydrophobic, and adhesive property is poor, makes that the adhesive force between each layer of solar cell backboard is low; The fluorine material is as backsheet layer, processing difficulties, complex manufacturing.
The utility model content
The utility model technical problem to be solved is to overcome the deficiency of above-mentioned prior art, and a kind of wet and heat ageing resistant that has is provided, and is tear-resistant; Hydrolysis, weather, shock-resistant, electric insulation; Dimensionally stable; Be prone to the polyolefin modified solar cell backboard of processing, help protecting solar module, prolong the useful life of solar cell.
The main technical schemes of a kind of polyolefin modified solar cell backboard that provides according to the utility model is: the wet and heat ageing resistant layer that said backboard comprises basic unit and is separately positioned on said basic unit both sides.
A kind of polyolefin modified solar cell backboard that the utility model provides also adopts following attached technical scheme:
The PET with wet and heat ageing resistant of said basic unit for forming through blending and modifying.
The thickness range of said basic unit is: the 50-350 micron.
Said wet and heat ageing resistant layer is the polyolefine material through filling-modified formation.
Polyolefine material in the said wet and heat ageing resistant layer is the PET or the PP resin of modification.
The thickness range of said wet and heat ageing resistant layer is preferably: the 10-250 micron.
A kind of polyolefin modified solar cell backboard according to the utility model provides has outstanding advantage:
(1) basic unit of the utility model is the pet layer that PET and PP blending and modifying form, and basic unit is carried out plasma treatment, makes basic unit have wet and heat ageing resistant, and is tear-resistant, hydrolysis, and electric insulation, dimensionally stable is prone to the outstanding feature of processing.At the vistanex of the substrate surface curtain coating of crossing through plasma treatment through modification; And through normal temperature cure formation wet and heat ageing resistant layer; Thereby further guaranteed the wet and heat ageing resistant performance of backsheet layer, and had weather, shock-resistant simultaneously, anti-ultraviolet characteristics.
(2) backboard of the utility model fluorine material not, safety and environmental protection, with low cost, avoid the difficult bonding of fluorine material and caused the low drawback of adhesive force between each layer of solar cell backboard, thereby improved the reliability of solar cell backboard.
Description of drawings:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Embodiment:
Referring to Fig. 1; The embodiment of a kind of polyolefin modified solar cell backboard that the utility model provides; Comprise the basic unit 1 that forms through PET and PP blending and modifying, and the formed wet and heat ageing resistant layer 2 after casting polyolefine resin and the normal temperature cure that passes through that is formed on said basic unit 1 surface.The basic unit 1 of the utility model is that wherein, PET is a PETG through the basic unit of PET and the formation of PP blending and modifying, and PP is a polypropylene; Through both are carried out blending and modifying, can overcome the inferior position of two kinds of materials self, further optimize its performance, adopt the PET that obtains behind the blending and modifying as basic unit; Have wet and heat ageing resistant, tear-resistant, hydrolysis, electric insulation; Dimensionally stable is prone to the outstanding feature of processing, can fully satisfy the demand of solar cell backboard.The utility model is formed wet and heat ageing resistant layer 2 after being provided with through casting polyolefine resin and normal temperature cure in the basic unit; Wherein, Said vistanex is through adding the inorganic filler mica powder and obtaining through surface treatments such as coupling agents; This wet and heat ageing resistant layer 2 has wet and heat ageing resistant, weather, shock-resistant, performances such as uvioresistant.
In the foregoing description that the utility model provides, the thickness of said basic unit 1 is the 50-350 micron, and preferably scheme is the 70-250 micron, and concrete numerical value can be elected 50 microns as; 70 microns, 100 microns, 150 microns, 200 microns; 250 microns, 300 microns, 350 microns; Select the basic unit 1 of above-mentioned thickness can make backboard have higher intensity, simultaneously, also help processing raising with overall performance.
In the foregoing description that the utility model provides, the thickness of said wet and heat ageing resistant layer 2 is the 10-250 micron, and preferably scheme is the 30-200 micron, and concrete numerical value can be elected 10 microns as; 30 microns, 50 microns, 100 microns; 150 microns, 200 microns, 250 microns; Select the wet and heat ageing resistant layer 2 of above-mentioned thickness can satisfy close-burning demand better, simultaneously, also help the processing of wet and heat ageing resistant layer.
The processing technology of a kind of polyolefin modified solar cell backboard of preparation the foregoing description that the utility model provides mainly may further comprise the steps:
(1) adopts blending and modifying to handle to PET of basic unit and PP, form basic unit with wet and heat ageing resistant;
(2) substrate surface is carried out plasma treatment;
(3) vistanex and mica powder are adopted filling-modified processing after surface treatments such as coupling agent, form the vistanex of modification;
(4) at the vistanex of the substrate surface curtain coating of crossing through plasma treatment through modification;
(5) vistanex forms the wet and heat ageing resistant layer through normal temperature cure;
(6) the wet and heat ageing resistant laminar surface carries out plasma treatment.
The above-mentioned technology of the utility model is fairly simple, can realize serialization production, has improved production efficiency, has reduced the production cost of this backboard, is beneficial to marketing.
Claims (5)
1. a polyolefin modified solar cell backboard is characterized in that: the wet and heat ageing resistant layer that comprises basic unit and be separately positioned on said basic unit both sides.
2. polyolefin modified solar cell backboard according to claim 1 is characterized in that: the PET with wet and heat ageing resistant of said basic unit for forming through blending and modifying.
3. polyolefin modified solar cell backboard according to claim 1, it is characterized in that: the thickness range of said basic unit is: the 50-350 micron.
4. polyolefin modified solar cell backboard according to claim 1 is characterized in that: said wet and heat ageing resistant layer is the polyolefine material through filling-modified formation.
5. polyolefin modified solar cell backboard according to claim 1, it is characterized in that: the thickness range of said wet and heat ageing resistant layer is: the 10-250 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567374 CN202423336U (en) | 2011-12-30 | 2011-12-30 | Polyolefin modified solar cell backplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567374 CN202423336U (en) | 2011-12-30 | 2011-12-30 | Polyolefin modified solar cell backplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423336U true CN202423336U (en) | 2012-09-05 |
Family
ID=46748067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120567374 Expired - Lifetime CN202423336U (en) | 2011-12-30 | 2011-12-30 | Polyolefin modified solar cell backplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187469A (en) * | 2011-12-30 | 2013-07-03 | 苏州中来光伏新材股份有限公司 | Polyolefin modified solar battery backplane and processing process thereof |
| TWI583014B (en) * | 2015-03-12 | 2017-05-11 | 茂迪股份有限公司 | Solar module, method for manufacturing the same and method for reworking the same |
-
2011
- 2011-12-30 CN CN 201120567374 patent/CN202423336U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187469A (en) * | 2011-12-30 | 2013-07-03 | 苏州中来光伏新材股份有限公司 | Polyolefin modified solar battery backplane and processing process thereof |
| CN103187469B (en) * | 2011-12-30 | 2016-02-03 | 苏州中来光伏新材股份有限公司 | A kind of polyolefin modified solar cell backboard and processing technology thereof |
| TWI583014B (en) * | 2015-03-12 | 2017-05-11 | 茂迪股份有限公司 | Solar module, method for manufacturing the same and method for reworking the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |