A brief review on solar charging of Zn–air batteries

Abstract

This brief review reveals the possibility of solar charging of Zn–air batteries. It describes the various configurations that have been adopted in order to employ solar radiation to directly charge Zn–air batteries, paying particular attention to simple constructions with a minimum number of components. Solar charging is differentiated from solar batteries, which are based on a different concept and mainly depend on the variation of the redox level of added electrolytes.