scholarly journals The differential capacitance as a probe for the electric double layer structure and the electrolyte bulk composition

2021 ◽  
Vol 155 (10) ◽  
pp. 104702
Author(s):  
Peter Cats ◽  
René van Roij
2018 ◽  
Vol 2018 ◽  
pp. 1-11 ◽  
Author(s):  
J. J. López-García ◽  
J. Horno ◽  
C. Grosse

The structure and differential capacitance of the diffuse part of the electric double layer at solid-electrolyte solution interfaces are examined using a theoretical model that takes into account the finite ion size by modeling the solution as a suspension of polarizable insulating spheres in water. This formalism is applied to binary and mixed electrolyte solutions using the “Boublik–Mansoori–Carnahan–Starling–Leland” (BMCSL) theory for the steric interactions among ions. It is shown that the ionic size differences have a strong bearing on the diffuse part of the electric double layer structure, as well as on the differential capacitance dependence on the surface potential for mixed electrolytes.


2020 ◽  
Vol 22 (9) ◽  
pp. 5198-5210 ◽  
Author(s):  
Seiji Katakura ◽  
Naoya Nishi ◽  
Kazuya Kobayashi ◽  
Ken-ichi Amano ◽  
Tetsuo Sakka

A molecular dynamics simulation at the electrode interface of a quaternary ammonium ionic liquid, tributylmethylammonium bis(trifluoromethanesulfonyl)amide ([N1444+][TFSA−]), has been performed.


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