How to build a powerful single celled battery

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To build a powerful single-celled battery, using easily accessible metals and an electrolytic solution is crucial. Sulfuric acid is suggested as a strong electrolyte, but alternatives like citric acid or lemon batteries are also considered for simplicity. Aluminum-air batteries are recommended as a viable option, potentially offering higher voltage and current. Comparisons between aluminum-air and citric acid batteries highlight the need for experimentation to determine the best performance. Overall, the project encourages exploration of various materials and methods for optimal results.
ethicaldesign
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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!
 
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ethicaldesign said:
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!

Try aluminum-air batteries:
http://www.exo.net/~pauld/activities/AlAirBattery/alairbattery.html
http://www.sustainlane.com/reviews/how-to-create-a-simple-aluminum-air-battery-from-a-soda-can/MD2QLHMIKYY78J73MY3DLABDNAQI
 
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How would that stand compared to a citric acid battery?
 

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