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Issue 65, 2014
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CoMoO4·0.9H2O nanorods grown on reduced graphene oxide as advanced electrochemical pseudocapacitor materials

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Abstract

In this work, one-dimensional CoMoO4·0.9H2O nanorods grown on reduced graphene oxide hybrid composites (CoMoO4·0.9H2O–rGO) with good electrochemical properties have been synthesized by a simple and environmentally friendly hydrothermal synthesis procedure. The conductive graphene not only improves the electron conductivity of the overall electrode but also provides strong synergistic effects with Faradaic pseudo-capacitance (CoMoO4·0.9H2O). Meanwhile, rGO can act as a buffer for the volume change, which can provide an assurance for better cycling performance of the CoMoO4·0.9H2O–rGO hybrid composites. An exceptionally high specific capacitance of 802.2 F g−1 at a current density of 1 A g−1 and good cycle stability with capacitance retention of ∼86.3% after 5000 cycles is obtained for the CoMoO4·0.9H2O–rGO composites. The remarkable electrochemical performance can make the CoMoO4·0.9H2O–rGO composites one of the most competitive electrode materials for electrochemical energy storage.

Graphical abstract: CoMoO4·0.9H2O nanorods grown on reduced graphene oxide as advanced electrochemical pseudocapacitor materials

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Publication details

The article was received on 22 May 2014, accepted on 24 Jul 2014 and first published on 25 Jul 2014


Article type: Paper
DOI: 10.1039/C4RA04827J
Citation: RSC Adv., 2014,4, 34307-34314
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    CoMoO4·0.9H2O nanorods grown on reduced graphene oxide as advanced electrochemical pseudocapacitor materials

    K. Xu, J. Chao, W. Li, Q. Liu, Z. Wang, X. Liu, R. Zou and J. Hu, RSC Adv., 2014, 4, 34307
    DOI: 10.1039/C4RA04827J

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