Abstract
NiO nanorods composed of nanoparticles with diameter of 25–65 nm were synthesized on a nickel foam substrate by an in situ hydrothermal process in an aqueous solution containing only oxalic acid and subsequent calcination treatment. The nickel foam acted both as a substrate and nickel source. The calcination of the nickel foam substrate before the hydrothermal process played a crucial role in the formation of NiO nanostructures with different morphologies. Cyclic voltammetry and constant current charge–discharge measurements were used to evaluate the electrochemical properties of NiO. The results indicated a maximum specific capacitance as high as 126 F/g at a current density of 0.4 A/g.
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Acknowledgments
This work was financially supported by key scientific and technological project of Jilin Province (11ZDGG010); Jilin University science frontier and interdisciplinary innovation project: preparation and Gas-sensing Properties of model gas sensitive material on nickel foamed substrate.
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Jiang, Y., Jia, Z., Zhang, W. et al. In Situ Hydrothermal Synthesis of Nickel Oxide Nanostructures by Thermal Decomposition and its Electrochemical Property. J Inorg Organomet Polym 23, 1043–1047 (2013). https://doi.org/10.1007/s10904-013-9877-y
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DOI: https://doi.org/10.1007/s10904-013-9877-y