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Electrosynthesis in Ionic Liquid

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Encyclopedia of Applied Electrochemistry

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Introduction

Room-temperature molten salts, namely ionic liquids, have proved to be a new class of promising solvents because of their good electroconductivity, nonflammability, thermal stability, nonvolatility, and reusability [1–3]. They consist of cations and anions without any solvent, and they are in a liquid state around room temperature. Typical examples of ionic liquids and their abbreviation are shown in Fig. 1. Ionic liquids are classified into hydrophilic and hydrophobic ones. Ionic liquids with BF4 − or CF3SO3 − (TfO−) are hydrophilic. On the other hand, those with PF6 − or (CF3SO2)N− (Tf2N−) are hydrophobic. Hydrophobic ionic liquids do not dissolve into either water or organic solvents like ether and hexane. Therefore, they form three liquid phases. Hence, products can be separated by liquid–liquid extraction. This is one of big advantages of ionic liquids. Furthermore, if a combination of cation and anion is appropriately made, aprotic media having a wide...

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Author information

Authors and Affiliations

  1. Department of Electrochemistry, Tokyo Institute of Technology, 4259, Nagatsuta, 226-8502, Midori-ku, Yokohama, Japan

    Toshio Fuchigami

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  1. Toshio Fuchigami
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Correspondence to Toshio Fuchigami .

Editor information

Editors and Affiliations

  1. Eppstein, Germany

    Gerhard Kreysa

  2. Yokohama National University, Fac. Engineering, Yokohama, Japan

    Ken-ichiro Ota

  3. Case Western Reserve University, Cleveland, OH, USA

    Robert F. Savinell

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Fuchigami, T. (2014). Electrosynthesis in Ionic Liquid. In: Kreysa, G., Ota, Ki., Savinell, R.F. (eds) Encyclopedia of Applied Electrochemistry. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6996-5_356

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