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.
https://newatlas.com/energy/rmit-proton-battery-energy-density/
Proton battery is in reference to hydrogen having a single proton, so proton battery.