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

Marta Figueiredo; Cristiana Gomes; Renata Costa; Ana Martins; Carlos M. Pereira; Fernando Silva

doi:10.1016/j.electacta.2008.10.074

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

Marta Figueiredo, Cristiana Gomes, Renata Costa, Ana Martins, Carlos M. Pereira, Fernando Silva (Corresponding author)

Research output: Contribution to journal › Article › Academic › peer-review

112 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	2630-2634
Number of pages	5
Journal	Electrochimica Acta
Volume	54
Issue number	9
DOIs	https://doi.org/10.1016/j.electacta.2008.10.074
Publication status	Published - 30 Mar 2009
Externally published	Yes

Funding

This work was carried out under project IONMET: contract no. NMP2-CT-2005-515743. The financial support of FCT-CIQUP-Line 4 is also acknowledged.

Keywords

Deep eutectic solvents
Differential capacitance
Electric double layer
Room temperature ionic liquids
Temperature

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10.1016/j.electacta.2008.10.074

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abstract = "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.",

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AU - Gomes, Cristiana

AU - Costa, Renata

AU - Martins, Ana

AU - Pereira, Carlos M.

AU - Silva, Fernando

PY - 2009/3/30

Y1 - 2009/3/30

N2 - 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.

AB - 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.

KW - Deep eutectic solvents

KW - Differential capacitance

KW - Electric double layer

KW - Room temperature ionic liquids

KW - Temperature

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JF - Electrochimica Acta

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ER -

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

Abstract

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Keywords

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