Passivation Phenomena and Potentiostatic Corrosion in Molten Alkali Metal Carbonates
- 1 January 1970
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 117 (3) , 392-396
- https://doi.org/10.1149/1.2407521
Abstract
Potentiostatic corrosion rates of certain metals and alloys in molten carbonates at 680 °C have been studied under both partially and fully immersed conditions using a variety of gas atmospheres above the melt. Measurements were made within the range 0.00 to −1.00V vs. 1:2 reference electrode. Of particular interest was the resistance to corrosion of ferroaluminum ‐type alloys. These materials have been successfully tested in working molten carbonate fuel cells under conditions where contact between the corrosive electrolyte and a supporting member is unavoidable.Keywords
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