Abstract:
This work present two-step synthesizes route to low-cost mesoporous carbon from
coconut shell. The electrochemical characterization of the coconut shell based
activated carbon (CSAC) material as electrode for supercapacitor showed a specific
capacitance of 186 F g-1, energy density of 11 Wh kg-1 and power density
of 325 W kg-1 at a 0.5 A g-1 with an excellent stability after floating for
100 h and cycling for 10000 cycles in polymer gel electrolyte. The CSAC showed
very good potential as a stable material for supercapacitors desirable for high
power applications.
