Electrolyte for iron-air batteries and iron-air battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsHiroshi Suyama, Kazushi Wakayama, Tomohiro Kuroki
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Abstract
An electrolyte for iron-air batteries, which is able to increase the discharge capacity of iron-air batteries without concentration control, and an iron-air battery using the electrolyte. The electrolyte for iron-air batteries having an anode containing an iron element may comprise an aqueous solution comprising a discharge reaction promoter containing at least one kind of anion selected from the group consisting of SCN− anions, S2O32− anions and (CH3)2NCSS− anions.
Claims10
An electrolyte for iron-air batteries having an anode containing an iron element, the electrolyte comprising:
- an aqueous solution comprising at least one kind of discharge reaction promoter selected from the group consisting of NaSCN, Na2S2O3, and (CH3)2NCSSNa,
- wherein a concentration of the discharge reaction promoter is in a range of 0.005 mol/L to 0.1 mol/L.
An iron-air battery comprising:
- an air electrode configured to receive an oxygen supply;
- an anode containing an iron element;
- and
- an electrolyte in contact with the air electrode and the anode, the electrolyte comprising:
- an aqueous solution comprising at least one kind of discharge reaction promoter selected from the group consisting of NaSCN, Na2S2O3, and (CH3)2NCSSNa,
- wherein a concentration of the discharge reaction promoter is in a range of 0.005 mol/L to 0.1 mol/L.
Dependencies are inferred from the claim text.