The plentiful metal could be a carbon-free fuel and store energy long term
  • weg@slrpnk.netEnglish
    0·
    3 years ago

    I wonder the energy cost of creating the powdered iron. And of converting iron oxide back to iron powder.

    • schroedingershat@lemmy.worldEnglish
      1·
      3 years ago

      Current (pilot test scale) electrical iron reduction is a bit more efficient than commercial hydrogen electrolysis. It may have some as-yet-unknown barriers to commercialisation though.