1. P. Sen and A. De, Electrochim. Acta 55, 4677 (2010).
2. C. Arbizzani, M. Mastragostino, and B. Scosati, Handbook of Organic Conductive Molecules and Polymers, ed. H.S. Nalwa (Chichester: Wiley, 1997), Vol. 4, p. 595.
3. W.R. Cieslak (ed.), Selected Battery Topics, PV 98-15. The Electrochemical Society (Proceedings Series, Pennington, NJ, 1998).
4. Y.G. Wang, H.Q. Li, and Y.Y. Xia, Adv. Mater. 18, 2619 (2006).
5. P. Simon and Y. Gogotsi, Nat. Mater. 7, 845 (2008).