CN107591458B - Novel fluorine-containing solar cell panel back plate and preparation method thereof - Google Patents
Novel fluorine-containing solar cell panel back plate and preparation method thereof Download PDFInfo
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- CN107591458B CN107591458B CN201710767331.1A CN201710767331A CN107591458B CN 107591458 B CN107591458 B CN 107591458B CN 201710767331 A CN201710767331 A CN 201710767331A CN 107591458 B CN107591458 B CN 107591458B
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000011737 fluorine Substances 0.000 title claims abstract description 31
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 10
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 8
- 239000002033 PVDF binder Substances 0.000 claims abstract description 7
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 7
- 229910000416 bismuth oxide Inorganic materials 0.000 claims abstract description 7
- 239000007822 coupling agent Substances 0.000 claims abstract description 7
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims abstract description 7
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 7
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 7
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract 13
- 238000002156 mixing Methods 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052709 silver Inorganic materials 0.000 abstract description 7
- 239000004332 silver Substances 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a novel fluorine-containing solar cell panel back plate which comprises a PET (polyethylene terephthalate) substrate, wherein a non-reactive fluorine coating is arranged on the front side of the PET substrate, and a reactive fluorine coating is arranged on the back side of the PET substrate; the non-reactive fluorine coating comprises 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive; the material of the reactive fluorine coating comprises 60-70 parts of polytetrafluoroethylene resin, 5-12 parts of molybdenum disulfide, 2-5 parts of chromium sesquioxide, 6-10 parts of polyphenylene sulfide resin and 5-10 parts of coupling agent. The solar cell panel back plate provided by the invention adopts the nano silver powder as the functional phase, the adding content of the metal silver in the back silver slurry is reduced, the production cost is saved, and the prepared solar cell panel back plate has good conductivity and good weldability and welding resistance.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a novel fluorine-containing solar cell panel back plate and a preparation method thereof.
Background
At present, with the acceleration of the energy consumption in the world, the non-renewable energy sources are gradually reduced, and people are already in rapid development of wind energy, water energy, nuclear energy and solar energy, wherein the development and utilization of solar energy are most environment-friendly and efficient, the resources are abundant, and the main crystalline silicon solar photovoltaic project is most rapidly developed at present. The main components of the applied back silver paste comprise functional phase silver powder, inorganic binder (such as glass powder, oxide powder and the like), organic binder, other solvent and additive. The silver powder adopted by the existing back silver has two defects, firstly, the silver powder is mostly micro-sized silver powder, the fineness of the prepared slurry is larger and rough, so that the film layer is thicker, the compactness is poor, holes are generated, the printing performance is poor, and the conductivity is influenced, and secondly, the silver powder content is higher, the consumption of noble metal silver is larger, so that the industrial production cost of the crystalline silicon solar photovoltaic device is increased, and therefore, the development of the crystalline silicon solar back silver conductor slurry with low silver content and high performance is particularly important under the condition.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a novel fluorine-containing solar cell panel back plate and a preparation method thereof.
The purpose of the invention is realized by the following technical scheme:
a novel fluorine-containing solar cell panel back plate comprises a PET substrate, wherein a non-reactive fluorine coating is arranged on the front side of the PET substrate, and a reactive fluorine coating is arranged on the back side of the PET substrate;
the non-reactive fluorine coating comprises 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive;
the material of the reactive fluorine coating comprises 60-70 parts of polytetrafluoroethylene resin, 5-12 parts of molybdenum disulfide, 2-5 parts of chromium sesquioxide, 6-10 parts of polyphenylene sulfide resin and 5-10 parts of coupling agent.
Further, in a preferred embodiment of the present invention, the adhesive is ethyl acetate.
A preparation method of a novel fluorine-containing solar cell panel back plate specifically comprises the following steps:
s1, preparing a PET substrate;
s2, stretching the PET substrate along the longitudinal direction;
s3, uniformly mixing 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive, mixing for 15 minutes at the temperature of 220-320 ℃ and at the rotating speed of 220 revolutions per minute of 180 ions to obtain uniformly mixed materials, and coating the uniformly mixed materials on the front surface of the PET substrate;
s4, fully mixing the polytetrafluoroethylene resin, the molybdenum disulfide, the chromium oxide and the polyphenylene sulfide resin, slowly adding the coupling agent, mixing and stirring for 15 minutes at the rotating speed of 180-220 rpm, and coating the mixture on the back of the PET substrate.
Further, in a preferred embodiment of the present invention, before step S3, an easy-adhesion acrylic coating layer is coated on the PET substrate.
The invention has the beneficial effects that:
(1) polytetrafluoroethylene resin is adopted as a reactive fluorine material in the inner layer of the back plate, and the reactive fluorine material is firmly fixed on the inner layer of the back plate and the PET substrate, so that the phenomena of coating falling, pulverization and cracking in the prior art are avoided;
(2) can endure high temperature, high humidity and ultraviolet irradiation for a long time, has high photoelectric conversion efficiency, and is favorable for providing a safe environment for the power generation process.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
A novel fluorine-containing solar cell panel back plate comprises a PET substrate, wherein a non-reactive fluorine coating is arranged on the front side of the PET substrate, and a reactive fluorine coating is arranged on the back side of the PET substrate;
the non-reactive fluorine coating comprises 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive;
the material of the reactive fluorine coating comprises 60-70 parts of polytetrafluoroethylene resin, 5-12 parts of molybdenum disulfide, 2-5 parts of chromium sesquioxide, 6-10 parts of polyphenylene sulfide resin and 5-10 parts of coupling agent.
Further, in a preferred embodiment of the present invention, the adhesive is ethyl acetate.
Referring to the attached drawing 1, a method for preparing a novel fluorine-containing solar cell panel back plate specifically comprises the following steps:
s1, preparing a PET substrate;
s2, stretching the PET substrate along the longitudinal direction;
s3, uniformly mixing 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive, mixing for 15 minutes at the temperature of 220-320 ℃ and at the rotating speed of 220 revolutions per minute of 180 ions to obtain uniformly mixed materials, and coating the uniformly mixed materials on the front surface of the PET substrate;
s4, fully mixing the polytetrafluoroethylene resin, the molybdenum disulfide, the chromium oxide and the polyphenylene sulfide resin, slowly adding the coupling agent, mixing and stirring for 15 minutes at the rotating speed of 180-220 rpm, and coating the mixture on the back of the PET substrate.
Further, in a preferred embodiment of the present invention, before step S3, an easy-adhesion acrylic coating layer is coated on the PET substrate.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. The novel fluorine-containing solar cell panel back plate is characterized by comprising a PET (polyethylene terephthalate) substrate, wherein the front surface of the PET substrate is provided with a non-reactive fluorine coating, and the back surface of the PET substrate is provided with a reactive fluorine coating;
the non-reactive fluorine coating comprises 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive;
the material of the reactive fluorine coating comprises 60-70 parts of polytetrafluoroethylene resin, 5-12 parts of molybdenum disulfide, 2-5 parts of chromium sesquioxide, 6-10 parts of polyphenylene sulfide resin and 5-10 parts of coupling agent.
2. The novel solar panel back sheet comprising fluorine of claim 1, wherein the adhesive is ethyl acetate.
3. The preparation method of the novel fluorine-containing solar cell back sheet according to any one of claims 1 to 2, which comprises the following steps:
s1, preparing a PET substrate;
s2, stretching the PET substrate along the longitudinal direction;
s3, uniformly mixing 5-10 parts of titanium dioxide, 1-2 parts of bismuth oxide, 70-80 parts of polyvinylidene fluoride and 5-10 parts of adhesive, mixing for 15 minutes at the temperature of 220-320 ℃ and at the rotating speed of 220 revolutions per minute of 180 ions to obtain uniformly mixed materials, and coating the uniformly mixed materials on the front surface of the PET substrate;
s4, fully mixing the polytetrafluoroethylene resin, the molybdenum disulfide, the chromium oxide and the polyphenylene sulfide resin, slowly adding the coupling agent, mixing and stirring for 15 minutes at the rotating speed of 180-220 rpm, and coating the mixture on the back of the PET substrate.
4. The method for preparing the novel fluorine-containing solar panel back sheet according to claim 3, further comprising coating an easy-adhesion acrylic coating on the PET substrate before the step S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710767331.1A CN107591458B (en) | 2017-08-31 | 2017-08-31 | Novel fluorine-containing solar cell panel back plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710767331.1A CN107591458B (en) | 2017-08-31 | 2017-08-31 | Novel fluorine-containing solar cell panel back plate and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107591458A CN107591458A (en) | 2018-01-16 |
| CN107591458B true CN107591458B (en) | 2020-02-14 |
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| CN201710767331.1A Active CN107591458B (en) | 2017-08-31 | 2017-08-31 | Novel fluorine-containing solar cell panel back plate and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431107A (en) * | 2007-11-07 | 2009-05-13 | E.I.内穆尔杜邦公司 | Laminated film and solar cell panel employing the same |
| CN103794668A (en) * | 2014-01-22 | 2014-05-14 | 苏州幸福新能源科技有限责任公司 | PTFE two-side coated back plate and manufacturing method thereof |
| CN103928551A (en) * | 2013-01-10 | 2014-07-16 | 中天光伏材料有限公司 | Heterogeneous double-face fluorine-containing solar battery backboard |
| CN105720125A (en) * | 2015-11-16 | 2016-06-29 | 中天光伏材料有限公司 | Functional multilayer composite photovoltaic backboard |
-
2017
- 2017-08-31 CN CN201710767331.1A patent/CN107591458B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431107A (en) * | 2007-11-07 | 2009-05-13 | E.I.内穆尔杜邦公司 | Laminated film and solar cell panel employing the same |
| CN103928551A (en) * | 2013-01-10 | 2014-07-16 | 中天光伏材料有限公司 | Heterogeneous double-face fluorine-containing solar battery backboard |
| CN103794668A (en) * | 2014-01-22 | 2014-05-14 | 苏州幸福新能源科技有限责任公司 | PTFE two-side coated back plate and manufacturing method thereof |
| CN105720125A (en) * | 2015-11-16 | 2016-06-29 | 中天光伏材料有限公司 | Functional multilayer composite photovoltaic backboard |
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| CN107591458A (en) | 2018-01-16 |
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Address after: 241000 No.38, Yinhu North Road, economic and Technological Development Zone, Wuhu City, Anhui Province Patentee after: Chen Deyan Address before: 433019 No. 24, Group II, Liangting Village, Shahu Town, Xiantao City, Hubei Province Patentee before: Chen Deyan |
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