CN111072288A - Post-processing method of glass for solar photovoltaic module - Google Patents

Post-processing method of glass for solar photovoltaic module Download PDF

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Publication number
CN111072288A
CN111072288A CN201911213139.3A CN201911213139A CN111072288A CN 111072288 A CN111072288 A CN 111072288A CN 201911213139 A CN201911213139 A CN 201911213139A CN 111072288 A CN111072288 A CN 111072288A
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China
Prior art keywords
glass
photovoltaic module
solar photovoltaic
pid
parts
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Pending
Application number
CN201911213139.3A
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Chinese (zh)
Inventor
罗逸尘
房雨
郑仁峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD
Shanghai Tianyang Hotmelt Adhesives Co ltd
Nantong Tianyang New Material Co ltd
Original Assignee
KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD
Shanghai Tianyang Hotmelt Adhesives Co ltd
Nantong Tianyang New Material Co ltd
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Publication date
Application filed by KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD, Shanghai Tianyang Hotmelt Adhesives Co ltd, Nantong Tianyang New Material Co ltd filed Critical KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD
Priority to CN201911213139.3A priority Critical patent/CN111072288A/en
Publication of CN111072288A publication Critical patent/CN111072288A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • C03C17/326Epoxy resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0481Encapsulation of modules characterised by the composition of the encapsulation material
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00Coatings on glass
    • C03C2217/70Properties of coatings
    • C03C2217/78Coatings specially designed to be durable, e.g. scratch-resistant
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/10Deposition methods
    • C03C2218/11Deposition methods from solutions or suspensions
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/30Aspects of methods for coating glass not covered above
    • C03C2218/32After-treatment
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to a post-processing method of glass for a solar photovoltaic module, which comprises the following steps: uniformly coating UV curing PID-resistant coating solution on the inner side of conventional glass for a solar photovoltaic module; and then uniformly irradiating the inner side of the glass for 5-30 min by using ultraviolet rays with the wavelength of 250-400 nm. When the glass treated by the method is applied to a solar photovoltaic module, the PID resistance is obviously improved, and indexes such as photoelectric conversion efficiency, weather resistance and the like can be guaranteed.

Description

Post-processing method of glass for solar photovoltaic module
Technical Field
The invention relates to a post-processing method of glass for a solar photovoltaic module, the glass for the solar photovoltaic module processed by the method has the characteristic of PID resistance, and belongs to the field of post-processing of glass for the solar photovoltaic module.
Background
With the continuous development of solar photovoltaic technology, the attention on potential-induced degradation (PID) of photovoltaic devices is increasing, which has become one of the important factors affecting the efficiency of photovoltaic devices.
The structure of the conventional photovoltaic module is mainly as follows: upper photovoltaic glass-An upper packaging film-a cell sheet-a lower packaging film-a lower back sheet (or photovoltaic glass). However, the cause of PID of photovoltaic modules has not been completely studied, but based on the existing research data, it is widely believed in the industry that Na in the module+Is one of the important causes of PID. Under the action of the inside of the component, Na+The glass is separated out from the inner side of the glass and passes through the packaging adhesive film to be adsorbed on the surface of the battery piece, so that the power generation potential on the surface of the battery piece is reduced, and finally, power attenuation is caused. Although documents show that the PID phenomenon of the assembly is greatly reduced or even eliminated after the conventional photovoltaic glass is replaced by quartz glass, the feasibility of using the quartz glass for the photovoltaic assembly is not high due to the comprehensive consideration of the manufacturing process, the cost and the like of the invention; while reducing Na content in conventional photovoltaic glass+The content, the cost is very high, and the feasibility is not great. At present, the PID problem of the component is mainly solved by improving the volume resistivity of the EVA packaging adhesive film, but the volume resistivity of the EVA packaging adhesive film is finally reduced due to aging and degradation in long-term use, so that the PID problem of the component cannot be fundamentally solved.
Some documents also disclose solutions to reduce the PID problem of the assembly from a glass perspective. For example, patent CN104485376A discloses a PID resistant photovoltaic glass for solar cell and a preparation method thereof, which is mainly to coat a hydrophobic layer formed by hydrolyzing and curing a fluorine-containing silane coupling agent and an adhesive layer formed by hydrolyzing and curing a non-fluorine-containing coupling agent on the upper surface of ultra-white float glass in sequence, but the preparation time is too long and the cost is high; patent CN107473604A discloses a PID resistant glass for solar cell, which is mainly characterized in that Na of the glass is reduced by ion exchange+High content, high cost and complicated steps.
Therefore, how to provide a post-treatment method of solar photovoltaic module glass with simple treatment steps and low cost makes the treated glass have the anti-PID performance, which is a problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problems and provides a post-treatment method of glass for a solar photovoltaic module, so that the photovoltaic glass treated by the method has the characteristics of PID resistance, simple and convenient treatment steps on the glass and low cost.
The technical scheme adopted by the invention is as follows: a post-processing method of glass for a solar photovoltaic module comprises the following steps:
(1) uniformly coating a PID (potential induced degradation) resistant coating solution on the inner side of conventional glass for the solar photovoltaic module;
(2) uniformly irradiating the inner side of the glass for 5-30 min by using ultraviolet rays with the wavelength of 250-400 nm.
In the step (1), the anti-PID coating solution is a UV-curable anti-PID coating solution, and the anti-PID coating solution comprises the following raw materials in parts by mass: 20-50 parts of monomer, 5-30 parts of UV curing agent, 10-40 parts of oligomeric resin and 0.5-5 parts of auxiliary agent; when the coating solution is prepared, all the raw materials are put into a container according to a preset proportion and are stirred and mixed uniformly.
In the step (1), the coating amount of the UV-curing PID-resistant coating solution is 100-400 g per square glass. The coating amount of the coating solution on each square of glass is 100-400 g, and the coating difficulty, the cost and the comprehensive performance of the whole solar photovoltaic module are influenced by the coating amount.
Meanwhile, the monomer is one or a mixture of acrylic acid, methyl acrylate, butyl acrylate, trimethylolpropane triacrylate, tripropylene glycol diacrylate, hexanediol diacrylate, dipropylene glycol diacrylate, tetrahydrofuran acrylate and cyclotrimethylolpropane acrylate;
the UV curing agent is one or a mixture of more of 1173, 184, 907, TPO, MBF and 659;
the oligomeric resin is one of acrylic resin or epoxy resin with the molecular weight of 2000-10000;
the auxiliary agent is one of zinc acrylate, maleic anhydride and TAIC.
The invention has the innovation and beneficial effects that: the UV-curing PID-resistant coating solution is creatively coated on the conventional glass for the solar photovoltaic module, and the coating solution has easily obtained and easily obtained raw materialsThe coating solution is prepared, the using steps are simple and convenient, the coating solution can take effect only by using ultraviolet radiation with proper wavelength, and the coating solution is suitable for industrial application. The glass for the solar module treated by the method can effectively capture Na precipitated from glass seeds due to polar groups in the coating solution+Thereby reducing Na in the glass+And Na is blocked+The glass has the anti-PID characteristic and can effectively ensure the comprehensive performance of the component.
Detailed Description
The present invention will be further specifically described with reference to the following examples, but the present invention is not limited thereto.
Example 1
A post-processing method of glass for a solar photovoltaic module comprises the following steps: uniformly coating the inner side of the conventional glass of the photovoltaic module with a UV-curable PID-resistant coating solution, wherein the coating amount is 300g per square glass; then, the inside of the glass was uniformly irradiated with ultraviolet rays having a wavelength of 225nm for 25 min.
The raw materials of the UV-cured PID-resistant coating solution comprise: 20 parts of butyl acrylate, 20 parts of HDDA (high-density polyethylene), 20 parts of curing agent (TPO), 35 parts of polyethylacrylate resin with the molecular weight of 10000 and 5 parts of maleic anhydride. The preparation method comprises mixing and stirring.
Example 2
A post-processing method of glass for a solar photovoltaic module comprises the following steps: uniformly coating UV curing PID-resistant coating solution on the inner side of the conventional glass of the photovoltaic module, wherein the coating amount is 250g per square glass; then, the inside of the glass was uniformly irradiated with ultraviolet rays having a wavelength of 350nm for 15 min.
The raw materials of the UV-cured PID-resistant coating solution comprise: 50 parts of methyl acrylate, 20 parts of a curing agent (907), 30 parts of polymethyl acrylate resin with the molecular weight of 1000 and 3 parts of zinc acrylate. The preparation method comprises mixing and stirring.
Example 3
A post-processing method of glass for a solar photovoltaic module comprises the following steps: uniformly coating UV curing PID-resistant coating solution on the inner side of the conventional glass of the photovoltaic module, wherein the coating amount is 200g per square glass; then, the inside of the glass was uniformly irradiated with ultraviolet rays having a wavelength of 250nm for 30 min.
The raw materials of the UV-cured PID-resistant coating solution comprise: 40 parts of TMPTA, 30 parts of curing agent (15 parts of 184 and 659 respectively), 30 parts of polybutyl acrylate resin with molecular weight of 5300 and 0.5 part of zinc acrylate. The preparation method comprises mixing and stirring.
Example 4
A post-processing method of glass for a solar photovoltaic module comprises the following steps: uniformly coating UV curing PID-resistant coating solution on the inner side of the conventional glass of the photovoltaic module, wherein the coating amount is 400g per square glass; then, the inside of the glass was uniformly irradiated with ultraviolet rays having a wavelength of 300nm for 5 min.
The raw materials of the UV-cured PID-resistant coating solution comprise: 50 parts of THFA, 30 parts of curing agent (1173), 19 parts of polyethylene oxide resin with molecular weight of 3000 and 1 part of TAIC. The preparation method comprises mixing and stirring.
Example 5
A post-processing method of glass for a solar photovoltaic module comprises the following steps: uniformly coating UV curing PID-resistant coating solution on the inner side of the conventional glass of the photovoltaic module, wherein the coating amount is 100g per square glass; then, the inside of the glass was uniformly irradiated with ultraviolet rays having a wavelength of 400nm for 10 min.
The raw materials of the UV-cured PID-resistant coating solution comprise: 35 parts of acrylic acid, 21 parts of curing agent (MBF), 40 parts of polypropylene oxide resin with molecular weight 5300 and 4 parts of maleic anhydride. The preparation method comprises mixing and stirring.
Performance testing
The glass treated by the present invention in each of the above examples and the conventional glass without treatment were applied to a solar photovoltaic module and tested with reference to the relevant standards, as shown in table 1 below.
Figure DEST_PATH_IMAGE002
Table 1: table of performance test results
From the above table 1, it is apparent that the solar photovoltaic module using the glass processed by the present invention has significantly reduced 96h and 192hPID attenuation rates compared to the solar photovoltaic module using the conventional glass without processing, and it is effectively proved that the post-processing method of the glass for the solar photovoltaic module provided by the present invention can play an unexpected positive role. The glass treated by the PID-resistant coating solution is effectively guaranteed in the aspect of light transmittance indexes; in the aspect of bonding the adhesive tape with an upper packaging adhesive film, the change of the peel strength is not large, and the adhesive tape can also meet the requirement. Meanwhile, the applicant tests the weather resistance of the whole solar photovoltaic module, such as 48hPCT aging, 2000h humid heat aging and 2000h ultraviolet aging indexes, and the result also shows that the relevant indexes of the solar photovoltaic module applying the glass treated by the anti-PID coating solution can be almost equal to those of the module using the conventional glass.

Claims (3)

1. A post-processing method of glass for a solar photovoltaic module is characterized by comprising the following steps:
(1) uniformly coating a UV curing PID-resistant coating solution on the inner side of conventional glass for a solar photovoltaic module;
(2) uniformly irradiating the inner side of the glass for 5-30 min by using ultraviolet rays with the wavelength of 250-400 nm;
in the step (1), the UV-curable PID-resistant coating solution comprises the following raw materials in parts by mass: 20-50 parts of monomer, 5-30 parts of UV curing agent, 10-40 parts of oligomeric resin and 0.5-5 parts of auxiliary agent; when the coating solution is prepared, all the raw materials are put into a container according to a preset proportion and are stirred and mixed uniformly.
2. The method for post-processing glass for a solar photovoltaic module according to claim 1, wherein: in the step (1), the coating amount of the UV curing PID resistant coating solution is 100-400 g per square glass.
3. The method for post-processing glass for a solar photovoltaic module according to claim 1, wherein: the monomer is one or a mixture of acrylic acid, methyl acrylate, butyl acrylate, trimethylolpropane triacrylate, tripropylene glycol diacrylate, hexanediol diacrylate, dipropylene glycol diacrylate, tetrahydrofuran acrylate and cyclotrimethylolpropane acrylate; the UV curing agent is one or a mixture of more of 1173, 184, 907, TPO, MBF and 659; the oligomeric resin is one of acrylic resin or epoxy resin with the molecular weight of 2000-10000; the auxiliary agent is one of zinc acrylate, maleic anhydride and TAIC.
CN201911213139.3A 2019-12-02 2019-12-02 Post-processing method of glass for solar photovoltaic module Pending CN111072288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911213139.3A CN111072288A (en) 2019-12-02 2019-12-02 Post-processing method of glass for solar photovoltaic module

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Application Number Priority Date Filing Date Title
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104201224A (en) * 2014-08-20 2014-12-10 杭州福斯特光伏材料股份有限公司 Transparent back plate for solar cell module
CN104659117A (en) * 2013-11-25 2015-05-27 东莞南玻光伏科技有限公司 Solar photovoltaic module
CN104745140A (en) * 2015-04-09 2015-07-01 广州惠利电子材料有限公司 Glass reinforced UV adhesive and preparation method thereof
CN104966743A (en) * 2015-07-21 2015-10-07 宁波华顺太阳能科技有限公司 Anti-PID (potential Induced Degradation) photovoltaic module
JP2017069290A (en) * 2015-09-28 2017-04-06 日清紡メカトロニクス株式会社 Film for anti-pid solar cell module and anti-pid solar cell module using the same
CN110016283A (en) * 2019-04-03 2019-07-16 乐凯胶片股份有限公司 A kind of solar cell backboard coating
CN111063743A (en) * 2019-12-02 2020-04-24 南通天洋新材料有限公司 anti-PID coating for photovoltaic module glass and preparation and application methods thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659117A (en) * 2013-11-25 2015-05-27 东莞南玻光伏科技有限公司 Solar photovoltaic module
CN104201224A (en) * 2014-08-20 2014-12-10 杭州福斯特光伏材料股份有限公司 Transparent back plate for solar cell module
CN104745140A (en) * 2015-04-09 2015-07-01 广州惠利电子材料有限公司 Glass reinforced UV adhesive and preparation method thereof
CN104966743A (en) * 2015-07-21 2015-10-07 宁波华顺太阳能科技有限公司 Anti-PID (potential Induced Degradation) photovoltaic module
JP2017069290A (en) * 2015-09-28 2017-04-06 日清紡メカトロニクス株式会社 Film for anti-pid solar cell module and anti-pid solar cell module using the same
CN110016283A (en) * 2019-04-03 2019-07-16 乐凯胶片股份有限公司 A kind of solar cell backboard coating
CN111063743A (en) * 2019-12-02 2020-04-24 南通天洋新材料有限公司 anti-PID coating for photovoltaic module glass and preparation and application methods thereof

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