Method for Evaluating the Silicon Solar Cells Performances Under AM0 Thanks to AM1.5G Spectrum

Assessment of Solar Cells (SC) characteristics under indoor standard conditions has been a challenge since the beginning of the industrialization of photovoltaic technologies in 1954 by Bell. Nowadays, for spatial industry the use of silicon SCs becomes obvious for Low Earth Orbitrary (LEO) missions. Moreover, accurately knowing electrical performances is key to optimize the PhotoVoltaic Assembly (PVA) design (number of SCs and overall dimensions). This paper proposes a method to assess electrical performances under AMO spectrum, using IV measurements carried out under a terrestrial solar simulator (AM1.5G) and the knowledge of External Quantum Efficiency for different technologies of silicon solar cells. This method is extended at SCs which have been irradiated with 1 MeV electrons at differents fluences. The robustness of this method is then evaluated.