Issue 4, 2013
From the journal:

Journal of Materials Chemistry A

Design and synthesis of CoMoO4–NiMoO4·xH2O bundles with improved electrochemical properties for supercapacitors†

Mao-Cheng Liu,a   Ling-Bin Kong,*ab   Chao Lu,a   Xue-Jing Ma,a   Xiao-Ming Li,a   Yong-Chun Luob  and  Long Kangb  

* Corresponding authors

a State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, P. R. China
E-mail: konglb@lut.cn
Fax: +86-931-2976578
Tel: +86-931-2976579

b School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China

Abstract

CoMoO4–NiMoO4·xH2O bundles with excellent electrochemical behavior were designed and synthesized by a facile strategy. CoMoO4 nanorods were fabricated by a chemical co-precipitation method, and then CoMoO4–NiMoO4·xH2O bundles were prepared by the same method using the CoMoO4 nanorods as the backbone material. A growth mechanism was proposed to explain the formation of the bundles. The composites combine the advantages of the good rate capability of CoMoO4 and the high specific capacitances of NiMoO4·xH2O, showing higher specific capacitances than CoMoO4 and a better rate capability than NiMoO4·xH2O. A maximum specific capacitance of 1039 F g−1 was achieved at a current density of 2.5 mA cm−2, and 72.3% of this value remained at a high current density of 100 mA cm−2. The excellent electrochemical performance makes the composite a promising electrode material for electrochemical capacitors.

Graphical abstract: Design and synthesis of CoMoO4–NiMoO4·xH2O bundles with improved electrochemical properties for supercapacitors

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Article information

DOI
https://doi.org/10.1039/C2TA00163B
Article type
Paper
Submitted
02 Sep 2012
Accepted
14 Nov 2012
First published
14 Nov 2012

J. Mater. Chem. A, 2013,1, 1380-1387

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Design and synthesis of CoMoO4–NiMoO4·xH2O bundles with improved electrochemical properties for supercapacitors

M. Liu, L. Kong, C. Lu, X. Ma, X. Li, Y. Luo and L. Kang, J. Mater. Chem. A, 2013, 1, 1380 DOI: 10.1039/C2TA00163B

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