Graphene/polyaniline composite sponge of three-dimensional porous network structure as supercapacitor electrode |
Electrochemical performances: (a) CV curves of PANI, RGP1:5, RGP1:3, RGP1:1, RGP1:0.6, RGP1:0.4, RGO, with the scan rate being 2 mV/s; (b) charge/discharge curves at a current density of 0.5 A/g; (c) CV curves of GOP1:5 and RGP1:5, with the scan rate is 2 mV/s; (d) cycling tests of 1000 charging and discharging cycles at 100 mV·s. |