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Anti-reflective film-plating liquid and preparation method thereof, photovoltaic glass and preparation method of photovoltaic glass, and solar cell module

A technology of photovoltaic glass and anti-reflection film, which is applied in the field of solar cells, can solve the problems of anti-reflection film resistance to salt spray and poor friction resistance, and achieve the effect of high refractive index

Active Publication Date: 2015-06-03
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the technical problems of poor salt spray resistance and friction resistance of the existing anti-reflection film, the present invention provides an anti-reflection coating solution with good salt spray resistance and friction resistance and its preparation method, photovoltaic glass and its preparation method, solar cell module

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0025] The present invention also provides a preparation method of anti-reflection coating solution, which comprises the following steps: uniformly mixing dispersed silica sol, hollow silica sol, linear sol, additives and solvents to obtain anti-reflection coating solution.

[0026] According to the preparation method of the antireflection coating solution provided by the present invention, preferably, surface treatment is performed on the dispersed silica sol and the hollow silica sol before mixing. The surface treatment is treated with a surface treatment agent, and the specific treatment method has been described in detail above, and will not be repeated here.

[0027] The present invention also provides a photovoltaic glass, which includes a glass substrate and an anti-reflection film on the surface of the glass substrate, the anti-reflection film is coated with an anti-reflection coating solution; the anti-reflection The coating solution is the anti-reflection coating sol...

Embodiment 1

[0045] 1. Preparation of anti-reflection coating solution

[0046] Dispersed silica sol with a particle size of 10nm, hollow silica sol with a particle size of 50nm, linear silica sol, linear titanium sol, linear aluminum sol, linear zirconium sol, ethylene glycol, surfactant Triton-100, moistening Mix the wet agent BYK346, then add the same quality of water and ethanol, adjust the solid content concentration of the coating solution to 3wt%, and obtain the anti-reflection coating solution A1. Among them, the solid content of dispersed silica sol accounts for 40wt% of the total solid content, the solid content of hollow silica sol accounts for 40wt% of the total solid content, and the solid content of linear silica sol, linear titanium sol, linear aluminum sol, and linear zirconium sol respectively Each accounts for 5% of the total solid content, and ethylene glycol, surfactant Triton-100, and wetting agent BYK346 account for 0.5%, 0.2%, and 0.3% of the mass fraction of the coa...

Embodiment 2

[0050] 1. Preparation of anti-reflection coating solution

[0051] Prepare the anti-reflection coating solution A2 according to the method of Example 1, the difference is: the surface of the dispersed silicon dioxide is modified by adding KH550 dropwise, and in terms of SiO content, the added silane coupling agent KH550 and the dispersed silicon dioxide The mass ratio is 0.2; add KH550 dropwise to modify the surface of the hollow silica, based on the SiO2 content, so that the mass ratio of the added silane coupling agent KH550 to the hollow silica is 0.2; the amount of ethanol added is twice the amount of water , and the concentration of the coating solution is 3wt%.

[0052] 2. Preparation of photovoltaic glass

[0053] Preparation of photovoltaic glass B2: spray a layer of antireflection coating solution A2 on the glass substrate, then dry at 20°C, and cure at 300°C for 120min to obtain an antireflection film layer with a thickness of 110nm.

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Abstract

The invention provides an anti-reflective film-plating liquid comprising a dispersion type silica sol, a hollow silica sol, a linear sol, an additive and a solvent; with the total solid content of the anti-reflective film-plating liquid as a benchmark, the content of the dispersion type silica sol is 30-60 wt%, the content of the hollow silica sol is 30-60 wt%, and the content of the linear sol is 10-40 wt%; with the total mass of the anti-reflective film-plating liquid as a benchmark, the content of the additive is 0.2-2 wt%; the average particle size of the dispersion type silica sol is less than that of the hollow silica sol. The invention also provides a preparation method of the anti-reflective film-plating liquid, photovoltaic glass prepared from the anti-reflective film-plating liquid, a preparation method of the photovoltaic glass, and a solar cell module containing the photovoltaic glass. An anti-reflective film prepared by the anti-reflective film-plating liquid has high permeability improvement rate, good wear resistance, high pencil hardness and good salt fog performance.

Description

technical field [0001] The invention belongs to the field of solar cells, and in particular relates to an anti-reflection coating solution and a preparation method thereof, a photovoltaic glass and a preparation method thereof, and a solar cell module. Background technique [0002] At present, with the rapid development of the global economy, the world's energy consumption has increased sharply, traditional resources are rapidly consumed and increasingly scarce, and the difficulty of mining is increasing, which makes the world's energy supply tense. Our country is in the stage of rapid economic development and has a large demand for energy. At present, the dependence on foreign oil has exceeded 50%, and the energy supply is seriously tight. Solar energy is a clean and renewable energy source, and the solar energy radiated to the surface of the earth is as high as 1.7*10 5 One hundred million kilowatts is 35,000 times the total energy consumption of the earth, and it is inex...

Claims

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Application Information

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IPC IPC(8): C03C17/23H01L31/0216
Inventor 黎宪宽周维孙永亮
Owner BYD CO LTD
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