Zinc (II) chloride-based deep eutectic solvents for application as electrolytes: Preparation and characterization
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 wind...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
Elsevier
2015
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/15707/1/Zinc_%28II%29_chloride-based_deep_eutectic_solvents_for_application_as_electrolytes.pdf http://eprints.um.edu.my/15707/ http://www.sciencedirect.com/science/article/pii/S0167732215000367 |
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| Summary: | 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 mu S.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. (C) 2015 Elsevier B.V. All rights reserved. |
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