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Colorful coating glass capable of enhancing cooling performance of solar photovoltaic assembly and preparation method

A technology of solar photovoltaic and heat dissipation performance, applied in the direction of coating, can solve the problem of no specific and effective measures for heat dissipation of the backplane of photovoltaic modules, and achieve the effect of simple preparation method and enhanced heat dissipation performance

Pending Publication Date: 2019-07-30
CHANGZHOU ALMADEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the working process of the photovoltaic module, part of the energy of the battery sheet will be converted into heat energy inside the module, which will increase the working temperature of the module and thus have a negative impact on the power generation efficiency. At present, there are no specific and effective measures for the backplane heat dissipation of photovoltaic modules in the industry

Method used

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  • Colorful coating glass capable of enhancing cooling performance of solar photovoltaic assembly and preparation method
  • Colorful coating glass capable of enhancing cooling performance of solar photovoltaic assembly and preparation method
  • Colorful coating glass capable of enhancing cooling performance of solar photovoltaic assembly and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0027] The color-coated glass for enhancing the heat dissipation performance of solar photovoltaic modules in Examples 1-4 includes a glass substrate and a color coating film arranged on the glass substrate, the thickness of the color coating film is 0.2-200 μm, wherein the color coating film The composition of the main raw materials is shown in Table 1.

[0028] The main raw material composition (mass fraction %) of the color coating film in embodiment 1-4

[0029]

[0030]

Embodiment 1

[0031] The colored coated glass of enhancing the heat dissipation performance of solar photovoltaic modules in embodiment 1 comprises the following steps:

[0032] 1) Add 10% SiO 2 , 4.77% BaSO 4 , 10% γ-methacryloxypropyl trimethoxysilane, 4.78% acrylate, 5% dispersant (powder dispersant AD767), 2% light stabilizer (2-hydroxybenzophenone), 2% Anti-Abrasion Agent (High Molecular Weight Silicone Dispersion), 0.85% Antifoam Agent (Dimethicone), 20% Ethanol, 20% Water, 5% Ethylene Glycol, 4.25% Isopropanol After mixing, stir at 30°C for 6 hours, then add 0.5% HCl and continue stirring for 16 hours, then add 1% hexagonal boron nitride, stir and oscillate evenly at high speed to obtain a color coating material;

[0033] 2) The color coating film material in step 1) is screen-printed on the glass substrate by screen printing, and then dried at 180° C. for 15 minutes. The colored coated glass that this embodiment makes to enhance the heat dissipation performance of solar photovolt...

Embodiment 2

[0034] The colored coated glass of enhancing the heat dissipation performance of solar photovoltaic modules in embodiment 2 comprises the following steps:

[0035] 1) Add 6% Al 2 o 3 , 8.13% SiO 2 , 7% tetraethyl orthosilicate, 7.13% polyurethane, 9.42% iron red, 1.42% thickener (polyvinylpyrrolidone), 1% anti-skinning agent (methyl ethyl ketone oxime), 2% polymerization inhibitor (inorganic compound inhibitor), 1% anti-wear agent (high molecular weight silicone dispersion), 3% defoamer (polydimethylsiloxane), 1% anti-shrinkage agent (inorganic vehicle ethylene glycol) mixture), 25% water, 8.1% diethylamine, and 14% isopropanol were mixed and stirred at 25°C for 8 hours, then added 0.8% oxalic acid and continued to stir for 14 hours, then added 5% hexagonal boron nitride and stirred at a high speed Uniform, get color coating material;

[0036] 2) The color coating film material in step 1) is screen-printed on the glass substrate by screen printing, and then dried at 200° C...

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Abstract

The invention relates to the technical field of solar photovoltaic assemblies, in particular to colorful coating glass capable of enhancing the cooling performance of a solar photovoltaic assembly anda preparation method. The colorful coating glass capable of enhancing the cooling performance of the solar photovoltaic assembly comprises a glass substrate and a colorful coating arranged on the glass substrate, and the colorful coating is mainly prepared from, by mass, 3-40% of a filling agent, 3-40% of an adhesive, 1-10% of hexagonal boron nitride, 0.1-20% of pigments, 0.1-20% of auxiliaries,0.1-1% of a catalyst and 20-70% of solvents. By mixing hexagonal boron nitride into the colorful coating, the heat conducting coefficient of the coating is increased, different colorful pigments are added to develop the appearance color needed by the assembly, and the colorful coating glass capable of enhancing the cooling performance of the solar photovoltaic assembly is prepared.

Description

technical field [0001] The invention relates to the technical field of solar photovoltaic modules, in particular to a color-coated glass for enhancing the heat dissipation performance of solar photovoltaic modules and a preparation method thereof. Background technique [0002] Generally speaking, the structure of a solar photovoltaic module consists of a front panel glass, a silicon cell, a sealing film on both sides of the cell, and a back sheet. During the working process of the photovoltaic module, part of the energy of the battery sheet will be converted into heat energy inside the module, which will increase the working temperature of the module and thus have a negative impact on the power generation efficiency. At present, there are no specific and effective measures for the backplane heat dissipation of photovoltaic modules in the industry. In addition, since the application range of solar photovoltaic modules is becoming wider and wider, and people have higher and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/00
CPCC03C17/009C03C2218/119
Inventor 陆永婷初文静林俊良林金锡林金汉
Owner CHANGZHOU ALMADEN
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