This has been known for since the 20s, Nazi germany used the process in WW2 but not by choice. There are inefficiencies with any conversion like that, from elec

This has been known for since the 20s, Nazi germany used the process in WW2 but not by choice. There are inefficiencies with any conversion like that, from electrical to chemical. Whether or not that's better than the externalities from rare earth mining, I'm not sure.