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How to build a powerful single celled battery

  1. Sep 16, 2010 #1
    Hey guys, I'm new to this forum and I've been meaning to start a project of my own. I want to create a homemade battery that gives me the highest voltage and current I can have using only two-three metals and an electrolytic solution. It can only be easily accessed metals, as I live in a city and my biggest provider for materials and such is "Home Depot." Is sulfuric acid the best solution to use for this? Is it best to just go with a lemon battery instead? Thank You, I appreciate any help!
  2. jcsd
  3. Sep 16, 2010 #2
    Try aluminum-air batteries:
    http://www.sustainlane.com/reviews/how-to-create-a-simple-aluminum-air-battery-from-a-soda-can/MD2QLHMIKYY78J73MY3DLABDNAQI [Broken]
    Last edited by a moderator: May 4, 2017
  4. Sep 16, 2010 #3
    How would that stand compared to a citric acid battery?
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