this post was submitted on 11 Jan 2025
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[–] AbidanYre@lemmy.world 11 points 2 weeks ago (1 children)

Na and K based batteries should perform better

What I'm hearing is throw some salt on a banana and power my phone for days.

I wasn't very good at chemistry.

[–] deranger@sh.itjust.works 9 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

It’s the difference in electronegativity that makes the battery. That’s why you see lithium and oxygen a lot; lithium doesn’t want electrons, oxygen does want them. Sodium and potassium are very close in electronegativity so the salty banana battery wouldn’t be good.

I’m waiting for the cesium / fluorine battery, should theoretically be awesome. Or extremely explosive

[–] AbidanYre@lemmy.world 4 points 2 weeks ago (1 children)

That's a much more serious and informative answer than I deserved.

Thank you for the explanation.

[–] deranger@sh.itjust.works 3 points 2 weeks ago

Gotta put my chemistry education to good use somehow, certainly not using it in the IT career I ended up getting in.

-I’m waiting for the cesium / fluorine battery, should theoretically be awesome. Or extremely explosive

I wonder how much it would cost to personally attempt this experiment.. (starts hunting for renters insurance)