Increased ion conduction in dual cation [sodium][tetraalkylammonium] poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide-co-ethylacrylate] ionomers

Li, Jiaye, Zhu, Haijin, Wang, Xiaoen, MacFarlane, Douglas R., Armand, Michel and Forsyth, Maria 2015, Increased ion conduction in dual cation [sodium][tetraalkylammonium] poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide-co-ethylacrylate] ionomers, Journal of materials chemistry A, vol. 3, no. 39, pp. 19989-19995.

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Title Increased ion conduction in dual cation [sodium][tetraalkylammonium] poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide-co-ethylacrylate] ionomers
Author(s) Li, Jiaye
Zhu, HaijinORCID iD for Zhu, Haijin
Wang, XiaoenORCID iD for Wang, Xiaoen
MacFarlane, Douglas R.
Armand, Michel
Forsyth, MariaORCID iD for Forsyth, Maria
Journal name Journal of materials chemistry A
Volume number 3
Issue number 39
Start page 19989
End page 19995
Total pages 7
Publisher Royal Society of Chemistry
Place of publication Cambridge, Eng.
Publication date 2015-08-24
ISSN 2050-7488
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Physical
Energy & Fuels
Materials Science, Multidisciplinary
Materials Science
Summary © The Royal Society of Chemistry. Solid-state polymer electrolytes, as an alternative to traditional liquid electrolytes, have been intensively investigated for energy conversion and storage devices. The transport rate of single ions is the key to their high performance. For application in emerging sodium batteries, we have developed three dual-cation polymeric ionomers, which contain bulky tetraalkylammonium ions in addition to the sodium ion. The sizes and relative contents of the ammonium ions vary relative to the sodium ion contents. Comparative studies of ion dynamics, thermal properties, phase behaviours and ionic conductivities were carried out, taking advantage of various spectroscopic and thermal chemistry methods. The ion conductivities of the ionomers are greatly enhanced by the introduction of bulky counterions, as a result of the additional free volume and decreased sodium ion association. Raman spectroscopy and thermal analysis as well as the solid-state nuclear magnetic resonance studies are used to probe the conductivity behaviour.
Language eng
Field of Research 091205 Functional Materials
030304 Physical Chemistry of Materials
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Royal Society of Chemistry
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