Journal
MATERIALS TODAY COMMUNICATIONS
Volume 5, Issue -, Pages 70-74Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mtcomm.2015.11.001
Keywords
Supercapacitors; Solvothermal; NiO; Porous
Categories
Funding
- National Natural Science Foundation of China [11364011, 11404072, 11347015]
- Scientific Research Fund of Guangxi Provincial Education Department of China [KY2015LX123, 201203YB091]
- Guangxi Natural Science Foundation [2013GXNSFBA019002, 2014GXNSFBA118014]
- PHD research startup foundation of GuiLin University of Technology [002401003423]
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Porous NiO nanostructures constructed with NiO nanoparticles have been synthesized via a facile solvothermal route with only nickel acetate tetrahydrate dissolved in ethylene glycol solvent and then followed by calcination. The products are characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and determined to be pure phase NiO nano structures assembled from NiO nanaparticles. The as -prepared porous NiO nanostructures show a reversible specific capacity of 522 F g(-1) after 1000 cycles at 2 A g(-1) as electrochemical supercapacitor electrode materials. Such a satisfactory electrochemical performance is related to the special nanosized active NiO particles and porous structures. The results indicate that porous NiO nanostructure appears to be promising electrode material for supercapacitor applications. (C) 2015 Elsevier Ltd. All rights reserved.
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