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17 May 2011 Pseudo-capacitive reactions based on imidazolium ion
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The present study has concerned on some electrochemical reactions in non-aqueous electrolytes containing 1,3- substituted imidazolium cations, having unique planar(aromatic) structures and properties such as forming hydrogen bond, which are expected to provide pseudo-capacitance in the application for electrochemical capacitor systems. The pseudo-capacitance of ruthenium oxide can be obtained in these electrolytes. The composite electrode of ruthenium oxide nano-particles dispersed with large surface area activated carbon support provides capacitance available in practical system. The tuning of capacitance by molecular design of imidazolium cation is also possible. The intercalation of imidazolium ion into interlayer space of graphite is promoted by the well-defined crystalline graphite and appropriate solvent such as acetonitrile. Such dependence of solvent species for pseudo-capacitive reactions is somewhat in relation to the solvation status of imidazolium cation.
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M. Egashira, T. Tanaka, Y. Matsuno, N. Yoshimoto, and M. Morita "Pseudo-capacitive reactions based on imidazolium ion", Proc. SPIE 8035, Energy Harvesting and Storage: Materials, Devices, and Applications II, 80350F (17 May 2011);

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