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Issue 18, 2013
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Facile synthesis of NiMoO4·xH2O nanorods as a positive electrode material for supercapacitors

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Abstract

NiMoO4·xH2O nanorods with one-dimensional structures and high performances are synthesized by a facile chemical co-precipitation method. A maximum specific capacitance of 1136 F g−1 is achieved at a current density of 5 mA cm−2. The fabricated NiMoO4·xH2O is a good positive electrode material for supercapacitors due to its unique structure and excellent capacitive properties. To enhance the energy density and enlarge the potential window, an asymmetric supercapacitor is assembled using NiMoO4·xH2O as the positive electrode and activated carbon (AC) as the negative electrode in 2 M aqueous KOH electrolyte. It exhibits a high energy density and stable power characteristics. A maximum specific capacitance of 96.7 F g−1 and specific energy of 34.4 W h kg−1 are demonstrated for a cell voltage between 0 and 1.6 V, indicating that the fabrication of an asymmetric supercapacitor is an effective way to enhance the energy density.

Graphical abstract: Facile synthesis of NiMoO4·xH2O nanorods as a positive electrode material for supercapacitors

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Publication details

The article was received on 22 Nov 2012, accepted on 21 Jan 2013 and first published on 24 Jan 2013


Article type: Paper
DOI: 10.1039/C3RA22993A
Citation: RSC Adv., 2013,3, 6472-6478
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    Facile synthesis of NiMoO4·xH2O nanorods as a positive electrode material for supercapacitors

    M. Liu, L. Kang, L. Kong, C. Lu, X. Ma, X. Li and Y. Luo, RSC Adv., 2013, 3, 6472
    DOI: 10.1039/C3RA22993A

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