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Issue 32, 2016
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In situ generated highly active copper oxide catalysts for the oxygen evolution reaction at low overpotential in alkaline solutions

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Abstract

Developing efficient water oxidation catalysts made up of earth-abundant elements has attracted much attention as a step toward for future clean energy production. Herein we report a simple one-step method to generate a low cost copper oxide catalyst film in situ from a copper(II) ethylenediamine complex. The resulting catalyst has excellent activity toward the oxygen evolution reaction in alkaline solutions. A catalytic current density of 1.0 mA cm−2 and 10 mA cm−2 for the catalyst film requires the overpotentials of only ∼370 mV and ∼475 mV in 1.0 M KOH, respectively. This catalytic performance shows that the new catalyst is one of the best Cu-based heterogeneous OER catalysts to date.

Graphical abstract: In situ generated highly active copper oxide catalysts for the oxygen evolution reaction at low overpotential in alkaline solutions

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Supplementary files

Article information


Submitted
19 Jan 2016
Accepted
11 Mar 2016
First published
16 Mar 2016

Chem. Commun., 2016,52, 5546-5549
Article type
Communication

In situ generated highly active copper oxide catalysts for the oxygen evolution reaction at low overpotential in alkaline solutions

X. Liu, S. Cui, M. Qian, Z. Sun and P. Du, Chem. Commun., 2016, 52, 5546
DOI: 10.1039/C6CC00526H

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