cross-posted from: https://sopuli.xyz/post/1726805
RMIT engineers say they've tripled the energy density of cheap, rechargeable, recyclable proton flow batteries, which can now challenge commercially available lithium-ion batteries for capacity with a specific energy density of 245 Wh/kg.
Here's the real source
https://newatlas.com/energy/rmit-proton-battery-energy-density/
Thank you, the drawing is especially helpful. And apparently, the guys are running little fans off their prototype.