NiCo2S4 sub-micron spheres: an efficient non-precious metal bifunctional electrocatalyst

Zhongyi Zhang; Xiaogang Wang; Guanglei Cui; Aihua Zhang; Xinhong Zhou; Hongxia Xu; Lin Gu

doi:10.1039/C3NR05885A

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NiCo₂S₄ sub-micron spheres: an efficient non-precious metal bifunctional electrocatalyst†

Zhongyi Zhang,‡^ab Xiaogang Wang,‡^a Guanglei Cui,*^a Aihua Zhang,^d Xinhong Zhou,^c Hongxia Xu^a and Lin Gu*^d

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* Corresponding authors

^a The Qingdao Key Lab of Solar Energy Utilization and Energy Storage Technology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, P. R. China
E-mail: cuigl@qibebt.ac.cn
Fax: +086-0532-80662746
Tel: +086-0532-80662746

^b College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, P. R. China

^c Qingdao University of Science and Technology, Qingdao, P. R. China

^d Beijing Laboratory for Electron Microscopy, Institute of Physics, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: l.gu@iphy.ac.cn

Abstract

Urchin-like NiCo₂S₄ sub-micron spheres integrated with nano-sized and micro-sized structures, which were synthesized via a facile one-pot method, deliver efficient electrocatalytic activities for oxygen reduction and evolution reactions. The excellent electrocatalytic property of NiCo₂S₄ sub-micron spheres is originated from their unique urchin-like microstructure, composition and d-electronic configurations of the transition metal ions.

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Article information

DOI: https://doi.org/10.1039/C3NR05885A
Article type: Communication
Submitted: 05 Nov 2013
Accepted: 07 Jan 2014
First published: 14 Jan 2014

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Nanoscale, 2014,6, 3540-3544

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NiCo₂S₄ sub-micron spheres: an efficient non-precious metal bifunctional electrocatalyst

Z. Zhang, X. Wang, G. Cui, A. Zhang, X. Zhou, H. Xu and L. Gu, Nanoscale, 2014, 6, 3540 DOI: 10.1039/C3NR05885A

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