Electrochemical and physicochemical characterizations of butylsulfate-based ionic liquids

I. Wen Sun, Yuan Chung Lin, Bor Kuan Chen, Chung Wen Kuo, Chi Chang Chen, Shyh Gang Su, Pin Rong Chen, Tzi Yi Wu

研究成果: Article同行評審

21 引文 斯高帕斯(Scopus)

摘要

A series of butylsulfate-based ionic liquids (ILs) are prepared using butylsulfate anions with various cations, the influences of ring structural variations of cations on their thermal property, electrochemical window, density, viscosity, and ionic conductivity are investigated. Good electrochemical stability (ca. 4.7 V) of the butylsulfate-based ILs is confirmed by voltammetric measurements, and the incorporation of methyl group to replace acidic C-2 hydrogen atom of imidazolium cation or replace imidazolium unit by pyrrolidinium or tri(n-propyl)ammonium slightly increases the cathodic stability. The deviations between ILs and ideal KCl line in adjust Walden plot decreases significantly than those in general Walden plot owing to the adjusted Walden plot takes the difference of ion size into account.

原文English
頁(從 - 到)7206-7224
頁數19
期刊International Journal of Electrochemical Science
7
發行號8
出版狀態Published - 2012 八月 1

All Science Journal Classification (ASJC) codes

  • 電化學

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