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Sol solution and preparation method and coating method of solar photovoltaic glass double-sided single-layer anti-reflection film

A solar photovoltaic, sol liquid technology, applied in coating, final product manufacturing, sustainable manufacturing/processing, etc., can solve problems such as poor film adhesion, easy scratching and peeling, and reduced glass strength

Inactive Publication Date: 2015-08-12
SHANDONG LINUO NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The magnetron sputtering method has high film index, but the film adhesion is poor, it is easy to scratch and fall off, and the production cost is high; the surface corrosion method is easy to cause environmental pollution, and the strength of the glass itself is reduced; sol- Gel roller coating or spraying method has low cost and high efficiency, but the single-sided single-layer coating index is not high, and the cost will increase if multi-layer coating

Method used

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  • Sol solution and preparation method and coating method of solar photovoltaic glass double-sided single-layer anti-reflection film
  • Sol solution and preparation method and coating method of solar photovoltaic glass double-sided single-layer anti-reflection film

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The volume ratio of the raw materials for the sol solution of the double-sided single-layer anti-reflection film for solar photovoltaic glass is as follows, tetraethyl orthosilicate: weather resistance agent: surface modifier: absolute ethanol: water: hydrochloric acid = 1: 1-1.5: 2-3: 10-15: 1-1.5: 0.15. In this example, the weather resistance agent is simethicone, and the surface modifier is acetamide.

[0030] The preparation method of above-mentioned sol solution, comprises the following steps:

[0031] 8) Ethyl orthosilicate and absolute ethanol are mixed at a molar ratio of 1:4~1:5, and stirred for 30~60 minutes as solution A;

[0032] 9) Mix the weathering agent and absolute ethanol at a molar ratio of 1:4~1:5, and stir for 30~60 minutes as sol B;

[0033] 10) Mix absolute ethanol, deionized water, and hydrochloric acid at a molar ratio of 1:1.0~3.2:0.005~0.05, and stir for 60~90 minutes as solution C;

[0034] 11) Mix solution A and solution B, stir for 30-60 ...

Embodiment 2

[0047] The volume ratio of the raw materials of the sol solution of the double-sided single-layer anti-reflection film for solar photovoltaic glass is as follows, tetraethyl orthosilicate: weather resistance agent: surface modifier: absolute ethanol: water: hydrochloric acid = 1: 0.5-1: 2.5-4: 15-20:1-1.5:0.15. In this embodiment, the weather resistance agent is methyltriethoxysilane, and the surface modification agent is a silane coupling agent. The preparation method and coating method of this embodiment are the same as those in Embodiment 1.

[0048] The surface of the solar photovoltaic glass anti-reflection coating coated in this embodiment is smooth and uniform, the color is light blue, and the solar transmittance is 96.4% in the wavelength range of 300-2500nm.

Embodiment 3

[0050] A sol solution of double-sided single-layer anti-reflection film for solar photovoltaic glass, the volume ratio of each raw material is as follows, tetraethyl orthosilicate: weather resistance agent: surface modifier: absolute ethanol: water: hydrochloric acid = 1:1.5-2:2 -4: 10-20: 1.5-2: 0.15, wherein the weather resistance agent is methyltrimethoxysilane, and the surface modifier is N, N-dimethylformamide. The preparation method and coating method of this embodiment are the same as those in Embodiment 1.

[0051] The solar photovoltaic glass with double-sided single-layer anti-reflection film is subjected to acid salt spray test, high temperature and high humidity test and other accelerated aging experiments. Experiments are carried out according to the requirements of IEC61215-2005. Before and after the experiment, the solar transmittance was measured according to GB / T 17901-2005, and the results are as follows.

[0052]

[0053]

[0054] Experiments show that...

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Abstract

The invention provides sol liquid of a solar photovoltaic glass double-faced single-layer antireflection film, a preparation method and a film coating method. According to the volume ratio of the raw materials of the sol liquid of the solar photovoltaic glass double-faced single-layer antireflection film, the volume ratio of tetraethoxysilane to weather-proof agents to surface decoration agents to absolute ethyl alcohol to deionized water to hydrochloric acid is 1:0.5-3:2-4:10-20:1-2:0.02-0.15, the weather-proof agents are one or more of methyl triethoxy silane, methyl trimethoxy silane, trimethylchlorosilane and simethicone, and the surface decoration agents are N, N-dimethylformamide or N,N-dimethylacetamide or acetamide or silane coupling agents KH-570.

Description

technical field [0001] The invention relates to a sol solution of a double-sided single-layer anti-reflection film on solar photovoltaic glass, a preparation method and a coating method, which uses a sol-gel dipping and pulling method to coat a double-sided single-layer anti-reflection film on solar photovoltaic glass, belonging to Solar thermal utilization technology field. Background technique [0002] With the increasing shortage of fossil energy and various social and environmental problems caused by it, the development and application of renewable energy has been widely valued by various countries. As the most important renewable resource, solar energy has developed rapidly in recent years. Photothermal applications such as solar air conditioning, seawater desalination, high-temperature power generation, etc.; photovoltaic development has also developed rapidly from military use to civilian grid-connected power generation, to household distributed power stations. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/11H01L31/18
CPCY02P70/50
Inventor 杜勇裴圣盟高福建张改华
Owner SHANDONG LINUO NEW MATERIAL