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A low concentrating cell and receiver concept based on low cost silicon solar cells

: Ebert, M.; Fellmeth, T.; Dörsam, T.; Clement, F.; Biro, D.; Wiesenfarth, M.; Eitner, U.

Volltext (PDF; )

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. 110001, 9 S.
International Conference on Concentrator Photovoltaic Systems (CPV) <11, 2015, Aix-les-Bains>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Photovoltaische Module; Systeme und Zuverlässigkeit; Photovoltaische Module und Kraftwerke; Modulentwicklung

A multi-use and low cost silicon concentrator solar cell and receiver concept is presented. It is based on a industrially feasible Metall Wrap Through concentrator solar cell available in various dimensions up to 156×156m. Solar cell performance evolution and current results are reported, with a top efficiency of 20.2% at 1W/cm² irradiance. The interconnection and receiver integration of the cells is demonstrated with several prototypes. A maximum cell-to-receiver efficiency of 99.3 % is shown, and a top receiver efficiency of 19.2 % at 1W/cm² irradiance is measured. Preliminary reliability testing sequences (humidity freeze, thermal cycling) and outdoor exposure results are passed without significant damages or IV power degradation (<1%).