Solar battery cells shunting under impact of solid particle

Space technics and technology


Аuthors

Novikov L. S.1, Nadiradze A. B.2*, Bedniakov S. A.3, Gavrushin A. V.2

1. Lomonosov Moscow State University, 1, Leninskie Gory, Moscow, 119991, Russia
2. Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia
3. Skobeltsyn Institute of Nuclear Physics,

*e-mail: nadiradze@mai.ru

Abstract

The results of laboratory experiments showing that under high velocity impact over the solar battery cells surface, thier shunting is happened, are represented in the paper. So for one of the examined samples it was recorded that loss power was about 90%. Impact destroys not only the one cell, but group of several parallel connected ones. The model of solar cell damaged is presented. According to this model shunting is appeared as a result of structural changed in the p-n junction due to semi-conductor smelting in the area of the impact. Critical velocity of the impact under which solar cell shunting is happened by 7-12 km/s.


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