Issue 23, 2024

First-row transition metal carbonates catalyze the electrochemical oxygen evolution reaction: iron is master of them all

Abstract

In pursuing green hydrogen fuel, electrochemical water-splitting emerges as the optimal method. A critical challenge in advancing this process is identifying a cost-effective electrocatalyst for oxygen evolution on the anode. Recent research has demonstrated the efficacy of first-row transition metal carbonates as catalysts for various oxidation reactions. In this study, Earth-abundant first-row transition metal carbonates were electrodeposited onto nickel foam (NF) electrodes and evaluated for their performance in the oxygen evolution reaction. The investigation compares the activity of these carbonates on NF electrodes against bare NF electrodes. Notably, Fe2(CO3)3/NF exhibited superior oxygen evolution activity, characterized by low overpotential values, i.e. Iron is master of them all (R. Kipling, Cold Iron, Rewards and Fairies, Macmillan and Co. Ltd., 1910). Comprehensive catalytic stability and durability tests also indicate that these transition metal carbonates maintain stable activity, positioning them as durable and efficient electrocatalysts for the oxygen evolution reaction.

Graphical abstract: First-row transition metal carbonates catalyze the electrochemical oxygen evolution reaction: iron is master of them all

Supplementary files

Article information

Article type
Communication
Submitted
08 mar. 2024
Accepted
24 may. 2024
First published
24 may. 2024

Dalton Trans., 2024,53, 9664-9669

First-row transition metal carbonates catalyze the electrochemical oxygen evolution reaction: iron is master of them all

I. Udachyan, J. T. Bhanushali, T. Zidki, A. Mizrahi and D. Meyerstein, Dalton Trans., 2024, 53, 9664 DOI: 10.1039/D4DT00708E

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