Hojong Kim, James Paramore
Molten oxide electrolysis (MOE) is a carbon-neutral, electrochemical technique aimed at decomposing metal oxides directly into liquid metal and oxygen gas using an inert anode. The primary challenge in implementing MOE lies in the development of a stable inert anode to endure the aggressive operational conditions. This study evaluates the stability of iridium anodes in two distinct slag compositions for ironmaking applications, focusing on how slag basicity alters anode corrosion rates. Experimental findings reveal that iridium corrosion in acidic slags with high silica content is significantly lower compared to that in basic slags characterized by high calcia content. These results suggest that the basicity of the electrolyte plays a crucial role in determining the longevity and efficacy of iridium anodes in MOE, highlighting its importance in the design of carbon-free iron production processes. Ultimately, understanding these interactions can advance the development of sustainable electrolysis technologies for metal production.
@article{427e6f71-f82b-4971-bbec-bb6e0b7161bc,
title={Stability of Iridium Anode in Molten Oxi},
author={Hojong Kim and James Paramore},
year={2026},
language={en}
}TY - JOUR TI - Stability of Iridium Anode in Molten Oxi AU - Hojong Kim AU - James Paramore PY - 2026 LA - en ER -
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