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submitted 1 year ago by cyu@sh.itjust.works to c/technology@lemmy.ml
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[-] jecxjo@midwest.social 6 points 1 year ago

I wonder if they finally perfected that 3D sponge battery. Rather than plates or coiled foil they make some blown copper zinc mixture i think and it causes a crazy amount of surface area for the reaction. Sounded cool years ago and then never heard anything again about it.

this post was submitted on 09 Jul 2023
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