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Issue 11, 2019
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Hierarchical CoS2/Ni3S2/CoNiOx nanorods with favorable stability at 1 A cm−2 for electrocatalytic water oxidation

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Abstract

Herein, we have reported an easily synthesized CoS2/Ni3S2/CoNiOx water oxidation catalyst with excellent catalytic activity and superior durability. The as-prepared catalyst required overpotential (η) as low as 256 mV to exhibit a current density of 10 mA cm−2 in 1.0 M KOH. Remarkably, it sustained a current density of 1 A cm−2 for one week in 30% KOH solution with only 25 mV increment of η. Thus, it is a hopeful candidate as a highly-effective water oxidation electrode in practical applications.

Graphical abstract: Hierarchical CoS2/Ni3S2/CoNiOx nanorods with favorable stability at 1 A cm−2 for electrocatalytic water oxidation

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Supplementary files

Article information


Submitted
16 Nov 2018
Accepted
09 Jan 2019
First published
10 Jan 2019

Chem. Commun., 2019,55, 1564-1567
Article type
Communication

Hierarchical CoS2/Ni3S2/CoNiOx nanorods with favorable stability at 1 A cm−2 for electrocatalytic water oxidation

H. Lee, X. Wu, Q. Ye, X. Wu, X. Wang, Y. Zhao and L. Sun, Chem. Commun., 2019, 55, 1564
DOI: 10.1039/C8CC09104H

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