The influence of water and metal ions on the transport properties of Trihexyl(tetradecyl)phosphonium chloride

Bayley, Paul M., Novak, Jan, Khoo, Timothy, Britton, Melanie M., Howlett, Patrick C., Macfarlane, Douglas R. and Forsyth, Maria 2012, The influence of water and metal ions on the transport properties of Trihexyl(tetradecyl)phosphonium chloride, Australian journal of chemistry, vol. 65, no. 11, pp. 1542-1547.

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Title The influence of water and metal ions on the transport properties of Trihexyl(tetradecyl)phosphonium chloride
Author(s) Bayley, Paul M.
Novak, Jan
Khoo, Timothy
Britton, Melanie M.
Howlett, Patrick C.
Macfarlane, Douglas R.
Forsyth, Maria
Journal name Australian journal of chemistry
Volume number 65
Issue number 11
Start page 1542
End page 1547
Publisher CSIRO Publishing
Place of publication Melbourne, Vic.
Publication date 2012
ISSN 0004-9425
1445-0038
Summary A recent study indicated that the water-saturated ionic liquid (IL) trihexyl(tetradecyl)phosphonium chloride ([P6,6,6,14][Cl]) provided a viable electrolyte for a Mg-air battery. However, there is limited literature on the properties of IL-water mixtures as battery electrolytes. The physical properties of [P6,6,6,14][Cl] were studied with the addition of both water and metal salts (MgCl2 and LiCl) using conductivity and self-diffusion coefficient measurements. The conductivity of the samples at low water concentrations is surprisingly enhanced by the addition of the metal salt, contrary to lithium IL electrolytes. It was also found that the conductivity of the IL was increased by an order of magnitude by saturation with water. NMR diffusion measurements were used to probe the behaviour of both the cation and the water in the mixtures. It was found that the addition of metal salts to the water-saturated [P6,6,6,14][Cl] did not affect the transport properties of the water or cation.
Language eng
Field of Research 030304 Physical Chemistry of Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052681

Document type: Journal Article
Collection: Institute for Frontier Materials
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