The fuel is the magnesium. Plates of it are consumed gradually as ions are stripped from them and bond to the graphite. The downside is that this reaction isn’t

The fuel is the magnesium. Plates of it are consumed gradually as ions are stripped from them and bond to the graphite. The downside is that this reaction isn’t reversible. You cannot recharge it. The magnesium plates are destroyed in the process on a molecular level, and must be replaced. https://alexbeyman.medium.com/can-you-make-electricity-from-salt-water-5fa33be5dad1 https://alexbeyman.medium.com/can-you-make-electricity-from-...