Preparation and enhanced stability of flexible supercapacitor prepared from Nafion/polyaniline nanofiber
Polyaniline nanofibers were used to produce a flexible supercapacitor electrode with a specific capacitance of 235 F g−1. Cycle life and energy density were enhanced after encapsulating the polyaniline nanofiber electrode in Nafion. A specific capacitance of 195 F g−1 was obtained over 10,000 charge–discharge cycles.
A fully flexible, stand alone capacitor comprising two polyaniline nanofiber based electrodes and a PVDF separator was constructed. An initial specific capacitance of 125 F g−1 (100 mV s−1) was obtained. This decreased to 95 F g−1 over 10,000 cycles.
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