The Super-iron battery is a moniker for a proposed class of rechargeable electric battery. Such batteries feature cathodes composed of ferrate salts, either potassium ferrate (K
4) or barium ferrate (BaFeO
4). One attraction to the proposed device is that the spent cathode would consist of a rust-like material, which is preferable to batteries based on cadmium, manganese and nickel. 
- List of battery types
- Lithium-ion battery
- Nickel-cadmium battery
- Nickel metal hydride battery
- Super Battery.
- Battery Bimonthly, "Study on the performance of nano-sized ferrates super-iron battery" (in Chinese). Vol.34 No. P.247-249. 2004
- Energetic Iron(VI) Chemistry: The Super-Iron Battery, Science, Volume 285, p. 1039, 13 August 1999. "Super-Iron" Comes to the Rescue of Batteries, Science, Volume 285, p. 995, 13 August 1999.
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