Differential capacity of a deep eutectic solvent based on choline chloride and glycerol on solid electrodes

被引：104

作者：

Figueiredo, Marta ^{[1
]}

Gomes, Cristiana ^{[1
]}

Costa, Renata ^{[1
]}

Martins, Ana ^{[1
]}

Pereira, Carlos M. ^{[1
]}

Silva, Fernando ^{[1
]}

机构：

[1] Univ Porto, Fac Ciencias, Dept Quim, P-4169007 Oporto, Portugal

来源：

ELECTROCHIMICA ACTA | 2009年 / 54卷 / 09期

关键词：

Electric double layer; Deep eutectic solvents; Room temperature ionic liquids; Differential capacitance; Temperature; TEMPERATURE IONIC LIQUIDS; ELECTRICAL DOUBLE-LAYER; INTERFACE; METALS; SALTS;

D O I：

10.1016/j.electacta.2008.10.074

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The properties of the interface between platinum, gold and glassy carbon electrodes and a deep eutectic ionic liquid based on choline chloride and glycerol were assessed using cyclic voltammetry and electrochemical impedance spectroscopy. The double layer differential capacitance, obtained from electrochemical impedance, reveals a slight dependence of the potential but it is sensitive to the electrode material. In contrast to high temperature inorganic melts the differential capacitance increases with temperature. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：2630 / 2634

页数：5

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