Fig. 6From: Activated Carbon Fibers with Hierarchical Nanostructure Derived from Waste Cotton Gloves as High-Performance Electrodes for SupercapacitorsGCD tests and capacitance retention. a GCD curves at the current density of 0.1 A g−1 and b capacitance retention at various current densities of the CGACF (red line and symbol) and AC samples (black line and symbol)Back to article page