“…High-resolution XPS spectrum, CV curves, Nyquist plots, specific capacitance versus current density plot of ASC, powder XRD patterns, comparative CV curves and GCD curves, XRD pattern and FE-SEM image, CV curves of CB electrode at different scan rates (5,10,25,50, and 100 mV s −1 ), GCD curves of CB electrode at different current densities (5, 10, 15, 20,…”