Supercapacitor electrodes assembled from meso/macroporous camphor-derived carbon sponges show highly promising performance in ac line-filtering. The coin-type supercapacitor exhibits an ultrafast frequency response with a phase angle of -78°and a RC time constant of 319 μs at 120 Hz and may be a viable alternative to the presently dominant aluminium electrolytic capacitors. © The Royal Society of Chemistry 2015.
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Jipnomon Joseph, Paravannoor, A., Shantikumar V Nair, Han, Z. J., Ostrikov, Kb, and Balakrishnan, A., “Supercapacitors based on camphor-derived meso/macroporous carbon sponge electrodes with ultrafast frequency response for ac line-filtering”, Journal of Materials Chemistry A, vol. 3, pp. 14105-14108, 2015.