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FeMoO4 nanorod array: a highly active 3D anode for water oxidation under alkaline conditions

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Abstract

The development of efficient and durable oxygen evolution reaction (OER) catalysts for energy-saving electrolytic hydrogen generation is highly attractive. In this communication, we report the development of an FeMoO4 nanorod array on nickel foam (FeMoO4/NF) via a facile hydrothermal process. As a 3D oxygen evolution reaction electrocatalyst, such FeMoO4/NF shows superior catalytic activity with a geometrical catalytic current density of 50 mA cm−2 at an overpotential of only 293 mV in 1.0 M KOH. Notably, this electrode also shows good long-term electrochemical durability with a high turnover frequency value of 0.43 mol O2 s−1 at an overpotential of 390 mV. This study provides us an attractive cost-effective 3D catalyst material in water-splitting devices for efficient and durable water oxidation at alkaline pH.

Graphical abstract: FeMoO4 nanorod array: a highly active 3D anode for water oxidation under alkaline conditions

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Publication details

The article was received on 13 Nov 2017, accepted on 03 Jan 2018 and first published on 05 Jan 2018


Article type: Research Article
DOI: 10.1039/C7QI00710H
Citation: Inorg. Chem. Front., 2018, Advance Article
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    FeMoO4 nanorod array: a highly active 3D anode for water oxidation under alkaline conditions

    Y. Gou, Q. Liu, Z. Liu, A. M. Asiri, X. Sun and J. Hu, Inorg. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QI00710H

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