Solar glass self-cleaned high anti-reflection coating and production method thereof

A technology of solar glass, production method, applied in the direction of coating, photovoltaic power generation, electrical components, etc.

Inactive Publication Date: 2014-05-21
天津顺御科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problem of mutual offset between the anti-reflection function, light conversion function and self-cleaning function of the existing crystalline silicon solar glass coating, and to invent a kind of anti-reflection component, self-cleaning component and latent light conversion componen...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The solar glass self-cleaning high anti-reflection coating is composed of anti-reflection components, self-cleaning components, latent light conversion components, coating regulators and solvent water, and is composed as follows by mass percentage:

[0061] 5% nano-SiO 2 Hydrosol A (average particle size 20nm) 50.0%

[0062] 5% nano-SiO 2 Hydrosol B (average particle size 10nm) 25.0%

[0063] 5% lanthanum cerium doped nano-TiO 2 Hydrosol (average particle size 20nm) 7.5%

[0064] Lanthanum nitrate {La(NO 3 ) 3 ·6H 2 O] 0.65%

[0065] Cerium nitrate [Ce(NO 3 ) 3 ·6H 2 O] 0.55%

[0066] Terbium nitrate [Tb(NO 3 ) 3 ·6H 2 O] 0.076%

[0067] Ammonium dihydrogen phosphate [NH 4 h 2 PO 4 ] 0.37%

[0068] phosphoric acid [H 3 PO 4 ] 0.1%

[0069] Oxalic acid [H 2 C 2 o 4 2H ...

Embodiment 2

[0075] Embodiment 1 The production process of the self-cleaning high anti-reflection coating is: in the 2000mL reactor that is equipped with mechanical stirrer, thermometer, dropping funnel and condensing tube, successively add mass percent concentration and be 94% ethanol 1300mL, deionized water 180mL, 2.0g of concentrated ammonia water with a concentration of 25% by mass and 360g of ethyl silicate with a concentration of 99% by mass, stirred and reacted at 15-30°C for 4-6 hours, stood and aged for 12 hours, added Deionized water 2000mL, at 60-65 ℃ vacuum distillation to separate the contained ethanol, to obtain alkaline nano-SiO with a concentration of 5% by mass 2 Hydrosol A 2000g, the average particle size of the hydrosol is measured to be 20nm, and the hydrosol A is transferred to a beaker and stored for later use.

[0076] To the above 2000mL reactor, add 650mL of ethanol with a concentration of 94% by mass, 180mL of deionized water, 15g of dilute phosphoric acid with a ...

Embodiment 3

[0083] The solar glass self-cleaning high anti-reflection coating is composed of anti-reflection components, self-cleaning components, latent light conversion components, coating regulators and solvent water, and is composed as follows by mass percentage:

[0084] 5% nano-SiO 2 Hydrosol A (average particle size 20nm) 25.0%

[0085] 5% nano-SiO 2 Hydrosol B (average particle size 10nm) 25.0%

[0086] 5% lanthanum cerium doped nano-TiO 2 Hydrosol (average particle size 20nm) 2.5%

[0087] Lanthanum nitrate {La(NO 3 ) 3 ·6H 2 O] 0.87%

[0088] Cerium nitrate [Ce(NO 3 ) 3 ·6H 2 O] 0.037%

[0089] Terbium nitrate [Tb(NO 3 ) 3 ·6H 2 O] 0.051%

[0090] Ammonium dihydrogen phosphate [NH 4 h 2 PO 4 ] 0.37%

[0091] phosphoric acid [H 3 PO 4 ] 0.1%

[0092] Oxalic acid [H 2 C ...

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Abstract

The invention relates to a solar glass self-cleaned high anti-reflection coating and a production method thereof, wherein the solar glass self-cleaned high anti-reflection coating is composed of antireflection components, self-cleaning components, latent light conversion components, film coating regulators and solvent water, and simultaneously has triple functions including self-cleaning, antireflection and near ultraviolet light conversion. In the formula of the coating, the antireflection components are nano SiO2 hydrosols of different sizes; the self-cleaning components are lanthanum cerium doped nano TiO2 and nano SiO2; the latent light conversion components are lanthanum nitrate, cerous nitrate, terbium nitrate, ammonium dihydrogen phosphate, phosphoric acid and ascorbic acid; after the latent light conversion components are treated, a silica coated phosphate fluorescent material La1-x-yCexTbyPO4 is generated, wherein x=0.02-0.5, and y=0.02-0.05; the film coating regulators include a surface active agent and an organosilicone coupling agent. Once the solar glass self-cleaned high anti-reflection coating disclosed by the invention is applied to solar glass, the light transmittance of the solar glass and the photoelectric conversion efficiency of crystalline silicon solar batteries can be significantly improved and stabilized, and the manual cleaning cost and maintenance management cost of the solar batteries in the process of running are reduced, therefore, the solar glass self-cleaned high anti-reflection coating can replace existing solar glass anti-reflection coatings.

Description

technical field [0001] The invention relates to a solar glass self-cleaning high anti-reflection coating and a production method thereof, in particular to a solar glass high anti-reflection coating with triple functions of self-cleaning, anti-reflection and near-ultraviolet light conversion and a production method thereof, which belongs to the new fields of energy and photovoltaic materials. Background technique [0002] At present, the highest photoelectric conversion efficiency in the laboratory of crystalline silicon solar cells is 25%, and the photoelectric conversion efficiency in practical applications is about 20%. The obvious reason is that the surface of the solar cell glass cover reflects sunlight, and the solar cell glass cover is dust or polluted. The light-blocking of crystalline silicon solar cells does not match the solar spectral response. Domestic and foreign scientific research institutions are working to find ways to improve the photoelectric conversion ef...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D7/12H01L31/0216H01L31/055
CPCY02E10/52
Inventor 李建生董学通刘炳光
Owner 天津顺御科技有限公司
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