Fast ion conduction in molecular plastic crystals

Long, S., MacFarlane, D. R. and Forsyth, M. 2003, Fast ion conduction in molecular plastic crystals, Solid state ionics, vol. 161, no. 1-2, pp. 105-112.

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Title Fast ion conduction in molecular plastic crystals
Author(s) Long, S.
MacFarlane, D. R.
Forsyth, M.
Journal name Solid state ionics
Volume number 161
Issue number 1-2
Start page 105
End page 112
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2003-07
ISSN 0167-2738
1872-7689
Keyword(s) succinonitrile
ionic conductivity
ion transport
lithium
acid
solid electrolytes
Summary Doping of lithium salts and acids into the plastic crystal phase of succinonitrile has shown for the first time of the possibility of creating solid state electrolytes based on plastic crystalline solvents where the matrix itself is neutral and hence not intrinsically conductive. These materials illustrate the concept of a solid state electrolyte solvent. Room temperature conductivities up to 3.4×10−4 S cm−1 were obtained with 5 wt.% lithium bis(trifluoromethanesulfonylamide) in succinonitrile. Pulsed field gradient NMR measurements indicate that both cation and anion are mobile in this lattice. Proton conductivity was also observed when methane sulfonic acid or glacial acetic acid was used as dopants, however, the conductivity in these systems is limited by the poor dissociating ability of these acids.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2003, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030182

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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