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Issue 7, 2018
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High-performance water oxidation electrocatalysis enabled by a Ni-MOF nanosheet array

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Abstract

Development of Earth-abundant oxygen evolution reaction (OER) electrocatalysts with high performance is essential for the practical application of hydrogen energy. Herein, we report a high-efficiency electrocatalyst for electrochemical water oxidation based on an Ni-MOF nanosheet array on Ni foam (Ni-MOF/NF). In 1.0 M KOH, this Ni-MOF/NF catalyst drives 100 mA cm−2 at an overpotential of 320 mV. Remarkably, it also demonstrates good electrochemical durability with the retention of its catalytic activity for at least 20 h and achieves a high turnover frequency of 0.25 mol O2 s−1 at an overpotential of 400 mV.

Graphical abstract: High-performance water oxidation electrocatalysis enabled by a Ni-MOF nanosheet array

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Supplementary files

Article information


Submitted
21 Dec 2017
Accepted
22 Apr 2018
First published
26 Apr 2018

Inorg. Chem. Front., 2018,5, 1570-1574
Article type
Research Article

High-performance water oxidation electrocatalysis enabled by a Ni-MOF nanosheet array

Q. Liu, L. Xie, X. Shi, G. Du, A. M. Asiri, Y. Luo and X. Sun, Inorg. Chem. Front., 2018, 5, 1570
DOI: 10.1039/C7QI00808B

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