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Alteon

The Power of Sand Batteries (youtube.com)

submitted 7 months ago by Alteon to c/mechanical_engineering

3 comments fedilink hide all child comments

Crosspost from the "Energy" Community. Seemed too good not to put here.

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[–] [email protected] 3 points 7 months ago

Sand battery sounds like something someone would call me in a call of duty lobby

[–] AFKBRBChocolate 1 points 7 months ago (1 children)

Sand batteries are inefficient but cheap.

[–] Alteon 2 points 7 months ago

That's a good article. Ten times less efficient than a chemical battery, but 10 times cheaper, and the only component that ever needs to be replaced is a cheap fan that pumps the air through the battery.