Heat reduction of concentrator photovoltaic module using high radiation coating

A thermal radiation layer was coated on the aluminum chassis of a concentrator photovoltaic (CPV) module. The temperature of the solar cell in the CPV module with the thermal radiation coating was approximately 10°C lower than that of the module without the thermal radiation coating. The uniformity...

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Bibliographic Details
Published in:Surface & coatings technology 2013-01, Vol.215, p.472-475
Main Authors: Nishioka, Kensuke, Ota, Yasuyuki, Tamura, Kazuyuki, Araki, Kenji
Format: Article
Language:English
Subjects:
Applied sciences
Concentrator photovoltaic
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Heat release
Materials science
Metals. Metallurgy
Physics
Production techniques
Surface treatment
Surface treatments
Temperature
Thermal radiation
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Summary:A thermal radiation layer was coated on the aluminum chassis of a concentrator photovoltaic (CPV) module. The temperature of the solar cell in the CPV module with the thermal radiation coating was approximately 10°C lower than that of the module without the thermal radiation coating. The uniformity of the temperature distribution in the CPV module was considerably improved. The thermal radiation coating acted not only as a thermal radiation layer but also as a thermal conduction layer. The open-circuit voltage of the CPV module with thermal radiation coating was 0.5V higher than that of the module without the coating during the period evaluated. The conversion efficiency of the CPV module with thermal radiation coating was 0.5% higher than that of the module without the coating. ► Thermal radiation layer was coated on a chassis of a concentrator photovoltaic module. ► Temperature of solar cell can be reduced by 10°C owing to thermal radiation effect. ► Uniformity of temperature distribution in the module was considerably improved. ► Conversion efficiency was improved with the simple process.
ISSN:0257-8972
1879-3347
DOI:10.1016/j.surfcoat.2012.09.064