Issue 40, 2015

Self-supported NiMo hollow nanorod array: an efficient 3D bifunctional catalytic electrode for overall water splitting

Abstract

Large-scale industrial application of electrochemical water splitting calls for remarkable non-noble metal electrocatalysts. Herein, we report on the synthesis of a NiMo-alloy hollow nanorod array supported on Ti mesh (NiMo HNRs/TiM) using a template-assisted electrodeposition method. The NiMo HNRs/TiM behaves as a durable efficient oxygen evolution anode with 10 mA cm−2 at an overpotential of 310 mV in 1.0 M KOH. Coupled with its superior catalytic performance for hydrogen evolution with 10 mA cm−2 at an overpotential of 92 mV, we made an alkaline electrolyzer using this bifunctional electrode with 10 mA cm−2 at a cell voltage of 1.64 V.

Graphical abstract: Self-supported NiMo hollow nanorod array: an efficient 3D bifunctional catalytic electrode for overall water splitting

Supplementary files

Article information

Article type
Communication
Submitted
26 jun 2015
Accepted
25 ago 2015
First published
25 ago 2015

J. Mater. Chem. A, 2015,3, 20056-20059

Self-supported NiMo hollow nanorod array: an efficient 3D bifunctional catalytic electrode for overall water splitting

J. Tian, N. Cheng, Q. Liu, X. Sun, Y. He and A. M. Asiri, J. Mater. Chem. A, 2015, 3, 20056 DOI: 10.1039/C5TA04723D

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