The report provides a preliminary assessment of the charge storage prerogatives of an asymmetric electrochemical capacitor employing a carbon-grafted NiO electrode interfaced with 1-ethyl-3-methyl imidazoliumdicyanamide as an ionic liquid electrolyte. This configuration has been demonstrated to be potentially exploited for developing hybrid supercapacitors providing as high energy density as 21 W h Kg-1.
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A. Paravannoor, Shantikumar V Nair, Pattathil, P., Manca, M., and Balakrishnan, A., “High Voltage Supercapacitors based on Carbon-Grafted NiO Nanowires Interfaced with an Aprotic Ionic Liquid”, Chemical Communications, vol. 51, pp. 6092-6095, 2015.