Conductivity and electrochemical stability of concentrated aqueous choline chloride solutions


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The conductivity and electrochemical stability of choline chloride (ChCl) solutions with water contents ranging from 20 to 39 wt % are studied. Exposing ChCl to moist ambient air yields a highly concentrated aqueous solution that, as an electrolyte, exhibits the properties and variations in conductivity with temperature and concentration characteristic of other similar systems. Its electrochemical stability window, determined by cyclic voltammetry, is comparable to that of ChCl-based deep eutectic solvents (DESs). Products of the electrolysis of ChCl‒H2O mixtures seem to be less toxic than those of Reline, Ethaline, and Maline.

作者简介

E. Grishina

Krestov Institute of Solution Chemistry; Ivanovo State University of Chemistry and Technology

编辑信件的主要联系方式.
Email: epg@isc-ras.ru
俄罗斯联邦, Ivanovo, 153045; Ivanovo, 153000

N. Kudryakova

Krestov Institute of Solution Chemistry

Email: epg@isc-ras.ru
俄罗斯联邦, Ivanovo, 153045

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