Alum rainwater cell – good 2.7V initial charge
Recently, alum has been used to replace the acids of car batteries. I wondered if alum would work as an electrolyte on a lot smaller scale and by using galvanized steel and copper or…
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by F.E.N. · Published 6. March 2012 · Last modified 22. November 2012
Recently, alum has been used to replace the acids of car batteries. I wondered if alum would work as an electrolyte on a lot smaller scale and by using galvanized steel and copper or…