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CPV module with fresnel lens primary optics and homogenizing secondary optics

 
: Wiesenfarth, M.; Dörsam, T.; Eltermann, F.; Hornung, T.; Siefer, G.; Steiner, M.; Riesen, S. van; Neubauer, M.; Boos, A.; Wanka, S.; Gombert, A.; Bett, A.W.

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Fulltext urn:nbn:de:0011-n-3546044 (1.5 MByte PDF)
MD5 Fingerprint: 3ca8b970ffba9149b817fee73cdda3bb
Created on: 14.8.2015


Siefer, G. ; American Institute of Physics -AIP-, New York:
11th International Conference on Concentrator Photovoltaic Systems, CPV 2015 : 13–15 April 2015, Aix-les-Bains, France
Woodbury, N.Y.: AIP, 2015 (AIP Conference Proceedings 1679)
ISBN: 978-0-7354-1326-9
Art. 100007, 7 pp.
International Conference on Concentrator Photovoltaic Systems (CPV) <11, 2015, Aix-les-Bains>
English
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Materialien - Solarzellen und Technologie; III-V und Konzentrator-Photovoltaik; Konzentrator-Bauelemente; Konzentrator-Optik; Hochkonzentrierende Systeme (HCPV); concentrator optics

Abstract
In this work CPV modules based on Fresnel lenses and using refractive secondary optical elements (SOEs) are investigated. Pure silicone as well as glass SOEs glued on top of the solar cells are explored in prototype modules. They are differently manufactured in respect to how the secondary optics was assembled. For example, units with secondary silicone optics directly casted to solar cells are manufactured. For a design of glued glass optics and Fresnel lenses, the thermal design and optimum cell-lens distance are analyzed. Moreover, the long term stability has been intensively tested by accelerated aging tests and outdoor experiments. Here, the focus was on the used silicone material and the adhesion of the silicone to the glass interface.

: http://publica.fraunhofer.de/documents/N-354604.html