Solar cells and batteries with unusual selective coatings for combined supply of heat and electricity by solar power stations

Mark M. Koltun

doi:10.1117/12.130566

9 December 1992 Solar cells and batteries with unusual selective coatings for combined supply of heat and electricity by solar power stations

Mark M. Koltun

Author Affiliations +

Proceedings Volume 1729, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Photovoltaics, Photochemistry, Photoelectrochemistry; (1992) https://doi.org/10.1117/12.130566
Event: Optical Materials Technology for Energy Efficiency and Solar Energy, 1992, Toulouse-Labege, France

Abstract

Optical coatings are used to increase the efficiency, extend the life, improve the electrophysical characteristics and stability of solar energy converters based on various physical principles, including semiconductor solar cells. When solar cells are placed on the exterior of collectors in photothermal systems, and generate both electric and thermal power, the optical coating applied to their surfaces gives them highly unusual selective properties, namely, reduced reflection of solar radiation (and high transparency in this part of the spectrum), which leads to and higher integrated solar absorption coefficient, enhanced infrared reflection which ensures that the thermal emission coefficient is as low as possible. Solar cells then not only generate electric power but, at the same time, covered by these coatings, act as selective optical surfaces for solar collectors.

Citation Download Citation

Mark M. Koltun "Solar cells and batteries with unusual selective coatings for combined supply of heat and electricity by solar power stations", Proc. SPIE 1729, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Photovoltaics, Photochemistry, Photoelectrochemistry, (9 December 1992); https://doi.org/10.1117/12.130566

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