Preparation method of high-light-transmittance photovoltaic coated glass

A technology of coated glass and high light transmittance, applied in glass manufacturing equipment, glass tempering, manufacturing tools, etc., can solve the problems of uneven film thickness, unsuitable for industrialized large-area coating, and difficult to control the pulling speed.

Inactive Publication Date: 2017-07-21
嘉兴昊特新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The pulling method is not suitable for industrialized large-area coating due to the disadvantages of large investmen

Method used

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  • Preparation method of high-light-transmittance photovoltaic coated glass
  • Preparation method of high-light-transmittance photovoltaic coated glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: as attached figure 1 As shown, a photovoltaic coated glass with high light transmittance is provided with an anti-reflection layer 3 on the smooth surface of the glass 1, and an anti-reflection layer 2 is provided on the embossed surface of the glass 1. The anti-reflection layers are all low refraction rate porous silica coating with a thickness of 120 nm.

Embodiment 2

[0030] Embodiment 2: as attached figure 2 As shown, another high-transmittance photovoltaic coated glass is provided with two layers of anti-reflection layers on the smooth surface of glass 1, and one layer of anti-reflection layer 2 is arranged on the embossed surface of glass 1, and its thickness is 110nm. The first anti-reflection layer arranged on the smooth surface is a high-refractive index coating 3 with a thickness of 50nm, and the high-refractive index coating is composed of zirconia and silicon oxide; the second anti-reflection layer arranged on the smooth surface It is a low-refractive-index porous silicon oxide coating 4 provided on the high-refractive-index coating 3, and its thickness is 130 nm.

Embodiment 3

[0031] Embodiment 3: The third kind of high light transmittance photovoltaic coated glass is provided with a layer of anti-reflection layer on the smooth surface of the glass, and a layer of anti-reflection layer is provided on the embossed surface of the glass, and the anti-reflection layers are all low refraction rate porous silica coating with a thickness of 100 nm.

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Abstract

The invention discloses a method for preparing photovoltaic coated glass with high light transmittance. The roller coating method is adopted, and the steps are as follows: 1. edge grinding of the original sheet; 2. cleaning; Silicon oxide coating or coat a layer of high refractive index coating on the smooth surface first, then coat a layer of low refractive index porous silica coating or coat a layer of low refractive index porous silica coating on the embossed surface; 4. Curing ; 5. Flip; 6. Coating, coating a layer of low refractive index porous silicon oxide coating on the smooth or embossed surface; 7. Curing; 8. Flip; 9. Tempering; 10. Cleaning. The invention adopts roller coating method to coat anti-reflection layer on the smooth surface and embossed surface of ultra-white solar glass, and one or two layers of anti-reflection layer can be arranged on the smooth surface to produce high light transmittance photovoltaic coated glass The light transmittance reaches over 96.0%. Using high light transmittance photovoltaic coated glass as the cover glass can reduce light loss and increase the power of photovoltaic modules.

Description

technical field [0001] The invention relates to a method for preparing photovoltaic coated glass, in particular to a method for preparing photovoltaic coated glass with high light transmittance. Background technique [0002] Photovoltaic modules are generally composed of glass cover plates, crystalline silicon cells, back plates, and EVA. Most of the glass cover plates are ultra-clear solar glass with a light transmittance of 91.6% and a single-surface reflectance of about 4%. There are many preparation methods for ultra-clear solar glass coated glass, mainly including physical vapor deposition, chemical vapor deposition, plasma chemically enhanced deposition, molecular beam epitaxy, metal organic decomposition method and sol-gel method. The sol-gel method can be divided into pulling method, spin coating method, meniscus method, spray coating method, roller coating method and so on. The pulling method is to immerse the glass substrate in the sol, and then pull the substrate...

Claims

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Application Information

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IPC IPC(8): C03C17/23C03C17/34C03B27/012
CPCC03C17/002C03B27/012C03C17/006C03C17/23C03C17/3417C03C2217/213C03C2217/425C03C2217/73C03C2217/734C03C2218/118C03C2218/365
Inventor 胡明刘勇樊璠张东旭
Owner 嘉兴昊特新材料科技有限公司
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