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Solar cell panel heat absorbing coating and preparation method thereof

A technology for solar panels and heat-absorbing coatings, applied in radiation-absorbing coatings, polyester coatings, coatings, etc., can solve the problems affecting the application of solar coatings, epoxy resin curing agent is not mentioned, and the price is high. Absorption rate, improvement of weather resistance and anti-aging properties, effect of improving absorption rate

Inactive Publication Date: 2019-03-08
安徽兆拓新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the use of a variety of nano-powders in the coating, its price is higher, and the curing agent of epoxy resin is not mentioned, these factors can affect the application of the solar coating of the invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The heat-absorbing coating for solar panels of this embodiment includes a heat-conducting layer and a heat-absorbing layer sprayed on the surface of the heat-conducting layer, and the heat-conducting layer is composed of the following raw materials in parts by weight: 30 parts of acrylic resin, 10 parts of polyester resin , 5 parts of aluminum nitride, 2 parts of carbon fiber, 3 parts of pigment, 5 parts of graphene, 1 part of anti-settling agent, 1 part of solvent, 1-2 parts of dispersant and 0.5-2 parts of leveling agent;

[0036] The heat absorbing layer is composed of the following raw materials in parts by weight: 44 parts of fluorocarbon resin, 14 parts of heat absorbing material, 15 parts of solvent, 10 parts of Sr-CuO nanocomposite powder, 3 parts of modified chromium oxide green, functional additive share.

[0037] Wherein, the acrylic resin in the heat-conducting layer is a medium hydroxyl acrylic resin with a hydroxyl value between 2-5, and the solid content...

Embodiment 2

[0054] The heat-absorbing coating for solar cell panels of this embodiment includes a heat-conducting layer and a heat-absorbing layer sprayed on the surface of the heat-conducting layer. The heat-conducting layer is composed of the following raw materials in parts by weight: 55 parts of acrylic resin, 20 parts of polyester resin , 10 parts of aluminum nitride, 15 parts of carbon fiber, 8 parts of pigment, 15 parts of graphene, 2 parts of anti-settling agent, 20 parts of solvent, 2 parts of dispersant and 2 parts of leveling agent;

[0055] The heat absorbing layer is composed of the following raw materials in parts by weight: 54 parts of fluorocarbon resin, 18 parts of heat absorbing material, 25 parts of solvent, 16 parts of Sr-CuO nanocomposite powder, 5 parts of modified chromium oxide green, functional additive 4 parts.

[0056] Wherein, the acrylic resin in the heat-conducting layer is a medium hydroxyl acrylic resin with a hydroxyl value between 2-5, and the solid conte...

Embodiment 3

[0073] The heat-absorbing coating for solar panels of this embodiment includes a heat-conducting layer and a heat-absorbing layer sprayed on the surface of the heat-conducting layer, and the heat-conducting layer is composed of the following raw materials in parts by weight: 42 parts of acrylic resin, 15 parts of polyester resin , 7.5 parts of aluminum nitride, 9 parts of carbon fiber, 5.5 parts of pigment, 10 parts of graphene, 1.5 parts of anti-settling agent, 15 parts of solvent, 1.5 parts of dispersant and 1.2 parts of leveling agent;

[0074] The heat absorbing layer is composed of the following raw materials in parts by weight: 49 parts of fluorocarbon resin, 16 parts of heat absorbing material, 20 parts of solvent, 13 parts of Cr-CuO nanocomposite powder, 4 parts of modified chromium oxide green, functional additive 3 copies.

[0075] Wherein, the acrylic resin in the heat-conducting layer is a medium hydroxyl acrylic resin with a hydroxyl value between 2-5, and the solid...

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Abstract

The invention relates to a solar cell panel heat absorbing coating and a preparation method thereof. The solar cell panel heat absorbing coating comprises a heat conductive layer and a heat absorbinglayer sprayed onto the surface of the heat conductive layer, wherein the heat conductive layer comprises the following raw materials: acrylic resin, polyester resin, aluminum nitride, carbon fiber, apigment, graphene, an anti-settling agent, deionized water, a dispersant and a leveling agent; the heat absorbing layer comprises the following raw materials in parts by weight: fluorocarbon resin, aheat absorbing material, deionized water, Sr-CuO nano composite powder, modified chrome oxide green and functional additives. The coating provided by invention has relatively high absorption rate to solar energy by cooperation of the heat conductive layer and the heat absorbing layer arranged on the heat conductive layer, the emissivity is low, the absorbed solar energy can be simultaneously converted into heat energy and transferred to a solar cell panel timely, the weather resistance is high and the service life is long.

Description

technical field [0001] The invention relates to the technical field of heat-absorbing coatings, in particular to a heat-absorbing coating for solar cell panels and a preparation method thereof. Background technique [0002] Solar thermal application is one of the simplest, most direct, and most effective ways for human beings to utilize solar energy. However, due to the small and discontinuous energy density of solar energy after reaching the earth, it has brought difficulties to large-scale development and utilization. For a long time, how to convert low-grade solar energy into high-grade thermal energy and enrich solar energy so as to maximize the use of solar energy has become a hot topic of research. Among the existing photothermal application technologies, selective absorption coating technology is recognized as the core technology, which plays a vital role in improving the efficiency of solar thermal conversion and promoting large-scale solar thermal applications. [...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D167/00C09D127/12C09D7/61C09D5/32
CPCC08K2003/282C09D5/32C09D7/61C09D127/12C09D133/00C08L67/00C08K7/06C08K3/28C08K3/042C08K3/22
Inventor 陆志鹏
Owner 安徽兆拓新能源科技有限公司
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