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Issue 17, 2014
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In situ hydrogenation of molybdenum oxide nanowires for enhanced supercapacitors

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Abstract

In situ hydrogenation of orthorhombic molybdenum trioxide (α-MoO3) nanowires has been achieved on a large scale by introducing alcohol during the hydrothermal synthesis for electrochemical energy storage supercapacitor devices. The hydrogenated molybdenum trioxide (HxMoO3) nanowires yield a specific capacitance of 168 F g−1 at 0.5 A g−1 and maintain 108 F g−1 at 10 A g−1, which is 36-fold higher than the capacitance obtained from pristine MoO3 nanowires at the same conditions. The electrochemical devices made with HxMoO3 nanowires exhibit excellent cycling stability by retaining 97% of their capacitance after 3000 cycles due to an enhanced electronic conductivity and increased density of hydroxyl groups on the surface of the MoO3 nanowires.

Graphical abstract: In situ hydrogenation of molybdenum oxide nanowires for enhanced supercapacitors

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Publication details

The article was received on 02 Sep 2013, accepted on 02 Dec 2013 and first published on 03 Dec 2013


Article type: Paper
DOI: 10.1039/C3RA44837A
Citation: RSC Adv., 2014,4, 8741-8745
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    In situ hydrogenation of molybdenum oxide nanowires for enhanced supercapacitors

    I. Shakir, M. Shahid, U. A. Rana and M. F. Warsi, RSC Adv., 2014, 4, 8741
    DOI: 10.1039/C3RA44837A

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