this post was submitted on 24 Jun 2023
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Iron Fuel Shows Its Mettle (spectrum.ieee.org)
submitted 1 year ago by [email protected] to c/[email protected]
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[–] [email protected] 2 points 1 year ago* (last edited 1 year ago) (2 children)

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

[–] [email protected] 2 points 1 year ago

AFAIK it is not the most efficient, but can be done with surplus electricity from wind farms for example.

[–] [email protected] 1 points 1 year 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.