Electrical double layer in ionic liquids: Structural transitions from multilayer to monolayer structure at the interface

Kirchner, Kathleen; Kirchner, Tom; Ivaništšev, Vladislav; Fedorov, Maxim V.

doi:10.1016/j.electacta.2013.05.049

Cited by 125 publications

(152 citation statements)

References 67 publications

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“…It is easy to calculate ionic densities close from a planar surface [37]. In the case of the irregular surfaces of CDCs, this calculation becomes more delicate.…”

Section: Density Profilesmentioning

confidence: 99%

Understanding the different (dis)charging steps of supercapacitors: influence of potential and solvation

Péan

Rotenberg

Simon

et al. 2016

Electrochimica Acta

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. Understanding the different (dis)charging steps of supercapacitors: influence of potential and solvation. Electrochimica Acta, Elsevier, 2016, vol. 206, pp. 504-512 a b s t r a c tSupercapacitors are an innovative and promising technology in the field of energy storage. In the present study, we use modeling via computer simulation as a technique to study the dynamic processes of charging and discharging. This methodology is complementary to experiments. Various model systems composed of different structures of carbon electrodes, in contact with either pure or solvated ionic liquid, polarized at positive or negative potentials were investigated. From the data obtained, we identify several characteristic times for the charging mechanism of supercapacitors. Furthermore, we determine the influence of the structure of the electrode material, and the effects of potential and solvation on dynamical processes.

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“…It is easy to calculate ionic densities close from a planar surface [37]. In the case of the irregular surfaces of CDCs, this calculation becomes more delicate.…”

Section: Density Profilesmentioning

confidence: 99%

Understanding the different (dis)charging steps of supercapacitors: influence of potential and solvation

Péan

Rotenberg

Simon

et al. 2016

Electrochimica Acta

View full text Add to dashboard Cite

show abstract

“…However, this hypothesis is based on theories and models that do not take into account molecular-scale effects of ion geometry and heterogeneous partial charge distribution across the IL molecules, and overall it remains unclear whether the conclusions from the Refs. [7,11,14] are not effects of an oversimplified view on ILs.…”

Section: Introductionmentioning

confidence: 99%

“…In a recent mod-elling work [11] it was shown that this crossover corresponds to a structural transition from a multilayer (intermediate charges) to an overcrowded structure (high charges; superposition of two or more counter-ion layers) through the formation of a monolayer structure at a certain charge density value.…”

Section: Introductionmentioning

confidence: 99%

“…Charge/voltage driven structural transitions in the electrical double layer (EDL) in ionic liquids (ILs) have recently attracted large interest in experimental [1,2,3,4,5,6], theoretical [7] and computational [8,9,10,11,12,13,14] communities due to the importance of this subject for a variety of IL applications [15,16].…”

Section: Introductionmentioning

confidence: 99%

“…Here we make the next step towards rationalising general mechanisms of charge-driven interfacial structural transitions in ILs by investigating and comparing structural behaviour of three different coarse-grained IL models [18,19,11] with the behaviour of a fully atomistic model of 1-butyl-3-…”

Section: Introductionmentioning

confidence: 99%

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