Issue 5, 2017

Highly crystallized α-FeOOH for a stable and efficient oxygen evolution reaction

Abstract

It is a key challenge to explore an efficient, stable and low-cost catalyst for the oxygen evolution reaction (OER). Herein, we show a facile strategy to significantly enhance the electrocatalytic activity and stability of crystalline α-FeOOH by rapid heat treatment. We identify that crystalline α-FeOOH shows not only electrocatalytic activity as high as the benchmark FeOOH catalyst (amorphous γ-FeOOH), but also the highest stability among all FeOOH electrocatalysts for the OER in alkaline solutions. Our findings not only deepen the fundamental understanding of the OER process on these materials but also guide further development of new low-cost electrocatalysts for energy storage via water splitting.

Graphical abstract: Highly crystallized α-FeOOH for a stable and efficient oxygen evolution reaction

Supplementary files

Article information

Article type
Paper
Submitted
08 Oct 2016
Accepted
13 Dec 2016
First published
13 Dec 2016

J. Mater. Chem. A, 2017,5, 2021-2028

Highly crystallized α-FeOOH for a stable and efficient oxygen evolution reaction

W. Luo, C. Jiang, Y. Li, S. A. Shevlin, X. Han, K. Qiu, Y. Cheng, Z. Guo, W. Huang and J. Tang, J. Mater. Chem. A, 2017, 5, 2021 DOI: 10.1039/C6TA08719A

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