Double layer in ionic liquids : the nature of the camel shape of capacitance
Fedorov, M. V. and Georgi, N. and Kornyshev, A. A. (2010) Double layer in ionic liquids : the nature of the camel shape of capacitance. Electrochemistry Communications, 12 (2). pp. 296-299. ISSN 1388-2481 (https://doi.org/10.1016/j.elecom.2009.12.019)
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Monte Carlo simulations of a model ionic liquid show that if ions have charged heads and neutral counterparts, the latter give rise to the camel shape of the voltage dependence of the double layer capacitance. Neutral 'tails' of ions play the role of latent voids that can be replaced by charged groups via rotations and translations of ions. This provides extra degrees of freedom for the field-induced charge rearrangements in the double layer which results in the peculiar double-hump capacitance profile.
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Item type: Article ID code: 35679 Dates: DateEventFebruary 2010PublishedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 08 Nov 2011 16:02 Last modified: 28 Mar 2024 07:27 URI: https://strathprints.strath.ac.uk/id/eprint/35679