Making solar panels from recycled old car batteries could save materials and protect environment

Millions of old lead car batteries are disposed or recycled all over the world. The newly developed organolead halide perovskite solar cells have nearly the same efficiency as the silicon based photo cells. In the future, lead from the old car batteries could be easily used for production of solar panels with extremely thin film of organolead halide perovskite. Lead for one car battery could be used to produce enough solar panels for 30 households. Since the market for lead based car batteries will surely decline in the future, their recycling into solar panels is a wise solution for future applications. Lead will be fully encapsulated in special solar panels and it will not pose any threat to the environment. The new solar cells are extremely durable and could last for decades without any need to be replaced. 

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http://www.sciencedaily.com/releases/2014/08/140818113428.htm