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Proceedings Paper

Solar cells and batteries with unusual selective coatings for combined supply of heat and electricity by solar power stations
Author(s): Mark M. Koltun
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Paper 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.

Paper Details

Date Published: 9 December 1992
PDF: 7 pages
Proc. SPIE 1729, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Photovoltaics, Photochemistry, Photoelectrochemistry, (9 December 1992); doi: 10.1117/12.130566
Show Author Affiliations
Mark M. Koltun, Krzhizhanovsky Power Engineering Institute (Russia)


Published in SPIE Proceedings Vol. 1729:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Photovoltaics, Photochemistry, Photoelectrochemistry

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