CN202384367U - Flexible front panel for solar cells - Google Patents
Flexible front panel for solar cells Download PDFInfo
- Publication number
- CN202384367U CN202384367U CN 201120567373 CN201120567373U CN202384367U CN 202384367 U CN202384367 U CN 202384367U CN 201120567373 CN201120567373 CN 201120567373 CN 201120567373 U CN201120567373 U CN 201120567373U CN 202384367 U CN202384367 U CN 202384367U
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- China
- Prior art keywords
- fluorine
- front panel
- flexible front
- basic unit
- solar cell
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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 flexible front panel for solar cells, which is characterized by comprising a high-transmittance fluorine-containing layer, a base layer and a high-transmittance fluorine-containing layer which are laminated together in sequence. The flexible front panel has the advantages that through modifying the base layer in a blending manner, the flexible front panel has high transmittance, can absorb ultraviolet (UV) rays and is resistant to UV aging, so the service life of the flexible front panel can be prolonged and the use performance of the flexible front panel can be improved; and besides, two surfaces of the base layer and the surfaces of the high-transmittance fluorine-containing layers are subject to plasma treatment, so the cohesive property of the flexible front panel is improved and the transmittance of the flexible front panel is enhanced. Film layers of the flexible front panel are compact, so the barrier performance, the light transmission performance, the anti-UV performance, and the like of the flexible front panel are improved.
Description
Technical field
The utility model relates to a kind of solar cell header board, relates in particular to a kind of flexible solar cell header board.
Background technology
Solar cell is a laminated construction normally, mainly comprises surface layer of glass, EVA sealant, solar cell piece, EVA sealant and solar cell notacoria, and wherein solar cell piece is by two-layer EVA sealant sealed envelope.The main effect of solar cell header board is that high sunlight transmitance, good whole mechanical strength are arranged, and can prevent that in addition water vapor permeable from sealant, influencing the useful life of battery sheet.Therefore, the header board of solar cell adopts glass front plate usually in the prior art, and the intensity of this glass front plate is high, and water resistance might as well.But this glass front plate do not have flexibility, can not be crooked, frangible, and uvioresistant ability, light transmittance be not very high, quality heavy, can not self cleaning.In order to improve the overall performance of header board, some improvement projects to header board have appearred in the prior art.Mainly be to come instead of glass with fluorine-containing high light transmissive material; Because fluorine material has the advantage of high-weatherability, good light transmittance, chemical resistance, high electrical insulation properties, high water proofing property; And, its have flexible with can bending etc. characteristics, be fit to do difform solar cell.For example, one Chinese patent application number is the application for a patent for invention of CN200710164692.3, and open day is on September 3rd, 2008, discloses to make to have the method and apparatus that strengthens the solar panel that light catches, and the substrate that comprises front and back wherein is provided; Comprise the film of one or more layers crosslinked fluoropolymer at least in positive laminated, wherein fluoropolymer layer or multilayer have the thickness between 75 to 150nm, and fluoropolymer layer or multilayer are positioned on the carrier that comprises ethylene copolymer so that carrier contacts with substrate.Such scheme mainly is to smear on the surface of glass, but fundamentally overcomes the shortcoming of glass front plate not yet.
The utility model content
The utility model technical problem to be solved is to overcome the deficiency of above-mentioned prior art, provides that a kind of anti-uv-ray is strong, light transmittance is high, light weight and flexible solar cell header board that can self cleaning.
According to a kind of flexible solar cell header board that the utility model provides, comprise the fluorine-containing layer of the high printing opacity that is laminated with successively together, basic unit, the fluorine-containing layer of high printing opacity.
A kind of flexible solar cell header board according to the utility model provides also has following attached technical characterictic:
Said basic unit is a pet layer.
Said basic unit is that PET and dihydroxylic alcohols or binary acid carry out PETG or the APET that modification by copolymerization forms, and wherein the content of dihydroxylic alcohols or binary acid is 25%-50% by weight percentage.
Said basic unit is the anti-ultraviolet ageing pet layer.
Said basic unit is high printing opacity pet layer.
The thickness of said basic unit is the 50-350 micron.
The outer surface of the surface of said basic unit and said fluorine-containing layer is crossed through plasma treatment.
The thickness of the fluorine-containing layer of said high printing opacity is the 15-50 micron.
The fluorine-containing layer of said high printing opacity is the formed rete of terpolymer of tetrafluoroethene, hexafluoropropylene and vinylidene.
The fluorine-containing layer of said high printing opacity can also be the CTFE base membrane layer.
The content of fluororesin is 30% ~ 95% by weight in the fluorine-containing layer of said high printing opacity.
A kind of technology of producing the flexible solar cell header board mainly may further comprise the steps:
(1) PET and dihydroxylic alcohols or binary acid are carried out the basic unit that modification by copolymerization forms;
(2) plasma treatment is carried out, the activation substrate surface in two surfaces of basic unit;
(3) two surfaces to the basic unit after the activation spray respectively or the high printing opacity fluorine resin of roller coat;
(4) basic unit that is coated with fluorine resin is heated to 50-190 degree centigrade after, solidify to form the fluorine-containing layer of high printing opacity;
(5) fluorine-containing layer outer surface being carried out plasma handles.
A kind of flexible solar cell header board that provides according to the utility model; Compared with prior art has following advantage: at first; The utility model is through carrying out blending and modifying to basic unit; Make it have high light transmittance and can absorb ultraviolet ray, anti-ultraviolet aging, thereby the useful life that can prolong this product with improve its serviceability; Secondly, the outer surface of the fluorine-containing layer of two surfaces of basic unit and high printing opacity makes its caking property improve through plasma treatment, and light transmittance strengthens.The rete of the utility model is closely knit, has improved barrier property, light transmission, ultraviolet resistance etc.
Description of drawings:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.Wherein, 1 is the fluorine-containing layer of high printing opacity, and 2 is basic unit.
Embodiment
Referring to Fig. 1; The embodiment of a kind of flexible solar cell header board that provides according to the utility model; Comprise fluorine-containing layer 1 of the high printing opacity that is laminated with successively together, basic unit 2, the fluorine-containing layer 1 of high printing opacity, anti-ultraviolet ageing pet layer that said basic unit 2 is a modification by copolymerization and high printing opacity pet layer.Basic unit 2 has good block-water performance through modification by copolymerization, and light transmittance is fine, and is in light weight, and ultraviolet resistance is good, satisfies the needs of solar cell header board fully, and this front board structure is simple, easily machine-shaping and batch process.But common PET itself is ultraviolet-resistant aging well; And well shielding of ultraviolet passes; And obviously improved, thereby prolonged its useful life and improved its various performances through its light transmission and anti-ultraviolet property after the modification by copolymerization.
In the foregoing description that the utility model provides; Said basic unit 2 carries out PETG or the APET that modification by copolymerization forms for PET with dihydroxylic alcohols or binary acid, and wherein the content of dihydroxylic alcohols or binary acid is 25%-50% by weight percentage, preferably 30%-40%; Concrete numerical value can elect 33.5% as; Wherein selected for use 30% o'clock, cost performance is the highest, also more can satisfy the requirement of technology simultaneously.
In the foregoing description that the utility model provides; The thickness of said basic unit 2 is the 50-350 micron; Embodiment preferred is the 150-200 micron, and concrete numerical value can be elected 100 microns, 150 microns, 180 microns, 200 microns, 250 microns, 300 microns, 350 microns as.Select the basic unit of above-mentioned thickness can make header board have higher intensity, also be beneficial to the raising of processing and overall performance simultaneously.
The surface of the utility model basic unit 2 or the outer surface of said fluorine-containing layer 1 are crossed through plasma treatment.Carry out Surface Treatment with Plasma through the surface to basic unit 2 in the present embodiment, make its caking property improve, light transmittance strengthens.The rete of the utility model is closely knit, has improved barrier property, light transmission, ultraviolet resistance etc.
The thickness of the fluorine-containing layer 1 of the high printing opacity of the utility model is the 15-50 micron, preferred 20-40 micron, and concrete numerical value can be 20 microns, 25 microns, 30 microns, 35 microns, 40 microns.Select the fluorine-containing layer of above-mentioned thickness to have effect preferably, can satisfy the demand of the utility model, have high cost performance.
The fluorine-containing layer 1 of said high printing opacity is the formed rete of terpolymer of tetrafluoroethene, hexafluoropropylene and vinylidene.
The fluorine-containing layer 1 of the high printing opacity of the utility model can also be the CTFE base membrane layer.
The content of fluororesin is 30% ~ 95% by weight in the fluorine-containing layer 1 of said high printing opacity, is preferably 50%-80%, and concrete numerical value is 30%, 40%, 50%, 60%, 70%, 80%, 95%.Select the fluororesin of above-mentioned percentage by weight in the fluorine-containing coat, can make the light transmission of the fluorine-containing layer of high printing opacity stronger, thereby improve the overall performance of header board.
A kind of processing technology of producing the flexible solar cell header board that the utility model provides mainly may further comprise the steps:
(1) PET and dihydroxylic alcohols or binary acid are carried out the basic unit that modification by copolymerization forms;
(2) plasma treatment is carried out, the activation substrate surface in two surfaces of basic unit;
(3) two surfaces to the basic unit after the activation spray respectively or the high printing opacity fluorine resin of roller coat;
(4) basic unit that is coated with fluorine resin is heated to 50-190 degree centigrade after, solidify to form the fluorine-containing layer of high printing opacity;
(5) fluorine-containing layer outer surface being carried out plasma handles.
Through the processing of above-mentioned processing technology completion header board, this header board can be used as sale of finished goods, and is used for solar panel, and is bonding with other assemblies of solar panel.
The utility model is in step (4), and the heating-up temperature that is adopted is 50-190 degree centigrade, and the time that is heating and curing can be 1-600 second.Preferred heating-up temperature is 80-130 degree centigrade, and be 10-60 second heating time.Wherein, the selection of numerical value can be different and different according to layers of material.In addition, heating-up temperature is high more, and the heating time of being adopted is short more.Concrete numerical value can be following: heating-up temperature is 20 degrees centigrade, and be 600 seconds heating time; Heating-up temperature is 40 degrees centigrade, and be 300 seconds heating time; Heating-up temperature is 60 degrees centigrade, and be 100 seconds heating time; Heating-up temperature is 80 degrees centigrade, and be 40 seconds heating time; Heating-up temperature is 120 degrees centigrade, and be 15 seconds heating time; Heating-up temperature is 150 degrees centigrade, and be 10 seconds heating time; Heating-up temperature is 200 degrees centigrade, and be 1 second heating time.But heating-up temperature can not be too high, otherwise possibly destroy the The Nomenclature Composition and Structure of Complexes of each material.
The above-mentioned processing technology that adopts the utility model can realize the serialization production of header board processing, enhances productivity.
Claims (7)
1. flexible solar cell header board is characterized in that: said solar cell header board comprises the fluorine-containing layer of the high printing opacity that is laminated with successively together, basic unit, the fluorine-containing layer of high printing opacity.
2. a kind of flexible solar cell header board as claimed in claim 1 is characterized in that: the high printing opacity pet layer of said basic unit for forming through blending and modifying.
3. a kind of flexible solar cell header board as claimed in claim 1 is characterized in that: the anti-ultraviolet ageing pet layer of said basic unit for forming through blending and modifying.
4. a kind of flexible solar cell header board as claimed in claim 1 is characterized in that: the thickness of said basic unit is the 50-350 micron.
5. a kind of flexible solar cell header board as claimed in claim 1 is characterized in that: two surfaces of said basic unit are through being laminated with mutually with fluorine-containing layer after the plasma treatment.
6. a kind of flexible solar cell header board as claimed in claim 1 is characterized in that: two surfaces of said basic unit are laminated with through the fluorine-containing layer of the high printing opacity of plasma treatment with outer surface mutually.
7. a kind of flexible solar cell header board as claimed in claim 1 is characterized in that: the thickness of the fluorine-containing layer of said high printing opacity is the 15-50 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567373 CN202384367U (en) | 2011-12-30 | 2011-12-30 | Flexible front panel for solar cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567373 CN202384367U (en) | 2011-12-30 | 2011-12-30 | Flexible front panel for solar cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384367U true CN202384367U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120567373 Expired - Lifetime CN202384367U (en) | 2011-12-30 | 2011-12-30 | Flexible front panel for solar cells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384367U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931261A (en) * | 2012-10-22 | 2013-02-13 | 苏州中来光伏新材股份有限公司 | Solar cell back film for photovoltaic module and processing technology of solar cell back film |
| CN103187470A (en) * | 2011-12-30 | 2013-07-03 | 苏州中来光伏新材股份有限公司 | Flexible front panel for solar cells and processing technique thereof |
| CN111326601A (en) * | 2018-12-14 | 2020-06-23 | 汉能移动能源控股集团有限公司 | Photovoltaic module plate, preparation method thereof and photovoltaic module |
| CN111391457A (en) * | 2018-12-28 | 2020-07-10 | 汉能移动能源控股集团有限公司 | Front plate of solar cell module, solar cell module and preparation method of solar cell module |
-
2011
- 2011-12-30 CN CN 201120567373 patent/CN202384367U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187470A (en) * | 2011-12-30 | 2013-07-03 | 苏州中来光伏新材股份有限公司 | Flexible front panel for solar cells and processing technique thereof |
| CN103187470B (en) * | 2011-12-30 | 2016-06-01 | 苏州中来光伏新材股份有限公司 | A kind of flexible solar cell header board and processing technique thereof |
| CN102931261A (en) * | 2012-10-22 | 2013-02-13 | 苏州中来光伏新材股份有限公司 | Solar cell back film for photovoltaic module and processing technology of solar cell back film |
| CN111326601A (en) * | 2018-12-14 | 2020-06-23 | 汉能移动能源控股集团有限公司 | Photovoltaic module plate, preparation method thereof and photovoltaic module |
| CN111391457A (en) * | 2018-12-28 | 2020-07-10 | 汉能移动能源控股集团有限公司 | Front plate of solar cell module, solar cell module and preparation method of solar cell module |
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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: 20120815 |
|
| CX01 | Expiry of patent term |