Fig. 3
From: Bioinspired leaves-on-branchlet hybrid carbon nanostructure for supercapacitors
Electrochemical performance of pseudocapacitive CNT/GP micro-conduit electrodes. a Galvanostatic charge/discharge profiles of a CNT/GP/Ni-Co hydroxide micro-conduit electrode in 2 M KOH aqueous electrolyte at different current densities in the voltage range between 0 and 0.4 V vs. SCE. b Galvanostatic charge/discharge profiles of a CNT/GP/PANI micro-conduit electrode in 1 M H2SO4 aqueous solution at different current densities in the voltage range between 0 and 0.8 V vs. Ag/AgCl. c CV curves of the CNT/GP/PANI micro-conduit electrode at scan rates from 5 to 100 mV s – 1 with a voltage window of 0.8 V. d Areal capacitance and capacitance retention as a function of current density of the CNT/GP/PANI micro-conduit electrode calculated from charge/discharge curves
