mattferrell, 
#FunFactFriday: With power production rising, better storage is the next goal and a new zinc-based battery is low cost, environmentally friendly and safer than lithium-ion and lead batteries. Could this be the energy storage solution we need? News Source: https://www.technologynetworks.com/applied-sciences/news/new-zinc-battery-is-eco-friendly-and-affordable-for-low-income-countries-386714
