Zinc (II) chloride-based deep eutectic solvents for application as electrolytes: Preparation and characterization

Fatemeh S. Ghareh Bagh, Kaveh Shahbaz, Farouq S. Mjalli, Mohd A. Hashim, Inas M. Alnashef

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Deep eutectic solvents (DESs) have gained interest due to their favorable electrochemical properties. This work introduced a new group of zinc (II) chloride based DESs and characterized their melting temperatures, viscosities, electrical conductivities, refractive indices, as well as electrical window over a wide range of temperatures. The ammonium-based deep eutectic solvents possessed lower melting temperatures, lower viscosities and higher electrical conductivities in comparison to phosphonium-based ones. The deep eutectic solvent made from choline chloride and zinc (II) chloride at a mole ratio of 1:1 possessed high conductivities, 574-4779 μS·cm- 1, relatively low viscosities, 0.8278-0.2842 Pa·s, and wide electrochemical window, 3.74 V within the studied temperature range. The attained measurements were compared with other reported deep eutectic solvents in the literature.

Original languageEnglish
Pages (from-to)76-83
Number of pages8
JournalJournal of Molecular Liquids
Volume204
DOIs
Publication statusPublished - Apr 1 2015

Keywords

  • Ammonium
  • Characterization
  • Deep eutectic solvents
  • Electrical window
  • Phosphonium
  • Zinc (II) chloride

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

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