Talk:Plasma-powered cannon

New fuel cell design?
Could someone design a hydrogen fuel cell to produce enough energy all at once to fuel something like this? I'd imagine the theoretical limit of hydrogen fuel cells is pretty high since it relies on surface area, and all you would have to do is create a capacitor-like device with very high surface area. 2600:1700:8830:8DF0:1867:DD83:E77B:6CB7 (talk) 00:17, 28 February 2020 (UTC)