期刊
ELECTROCHIMICA ACTA
卷 178, 期 -, 页码 541-545出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.07.179
关键词
Electric double layer; Relative permittivity; Different ions size; Finite volumes; Water dipoles
资金
- Slovenian Research Agency (ARRS) [P2-0232]
Electric double layer is theoretically described within the mean-field approach by taking into account the orientational ordering of water dipoles and asymmetric size of cations and anions. Analytical expressions for the spatial distribution of ions and water dipoles are derived. The effect of asymmetric ionic size on accumulation of counterions and partial depletion of water molecules near the charged surface, on spatial dependence of relative permittivity and on differential capacitance of electric double layer are presented. (C) 2015 Elsevier Ltd. All rights reserved.
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