We demonstrate a facile methodology to fabricate binder-free porous carbon nanofiber electrodes for room temperature ionic-liquid supercapacitors. The device provides an energy density of 80 W h kg−1 based on the mass of two electrodes while retaining the high rate capability of supercapacitors with near-ideal CV curves at a high scan rate of 200 mV s−1.
C. Tran, D. Lawrence, F. W. Richey, C. Dillard, Y. A. Elabd and V. Kalra, Chem. Commun., 2015, 51, 13760 DOI: 10.1039/C5CC04359J
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