Synthesis of NiMoO4 nanorods on graphene and superior electrochemical performance of the resulting ternary based composites

NiMoO4 nanorods have been directly synthesised on graphene sheet using a facile solvothermal method with subsequent calcination treatment. As an electrode for electrochemical capacitors, the graphene-NiMoO4 composite electrode prepared at a mass ratio of 1:8 exhibited a specific capacitance of 670F/...

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Bibliographic Details
Published in:Ceramics international 2017-11, Vol.43 (16), p.13772-13780
Main Authors: Ezeigwe, Ejikeme Raphael, Khiew, Poi Sim, Siong, Chiu Wee, Kong, Ing, Tan, Michelle T.T.
Format: Article
Language:English
Subjects:
Electrochemical capacitors
Exfoliation of graphene
Liquid phase
NiMoO4 nanorods
Ternary composites
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Summary:NiMoO4 nanorods have been directly synthesised on graphene sheet using a facile solvothermal method with subsequent calcination treatment. As an electrode for electrochemical capacitors, the graphene-NiMoO4 composite electrode prepared at a mass ratio of 1:8 exhibited a specific capacitance of 670F/g at 0.3A/g and good rate capability. When cycled at 0.5A/g for 3000 cycles, it retained 88% of its initial capacitance with a Coulombic efficiency of ~ 80%. This study presents a pungent and environmental benign research strategy for the development of graphene-NiMoO4 ternary based electrochemical capacitors.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2017.07.092