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New insights into ordering and dynamics in organic ionic plastic crystal electrolytes

Forsyth, M., Chen, F., O'Dell, L. A. and Romanenko, K. 2016, New insights into ordering and dynamics in organic ionic plastic crystal electrolytes, Solid state ionics, vol. 288, pp. 160-166, doi: 10.1016/j.ssi.2015.11.025.

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Title New insights into ordering and dynamics in organic ionic plastic crystal electrolytes
Author(s) Forsyth, M.ORCID iD for Forsyth, M. orcid.org/0000-0002-4273-8105
Chen, F.
O'Dell, L. A.ORCID iD for O'Dell, L. A. orcid.org/0000-0002-7760-5417
Romanenko, K.
Journal name Solid state ionics
Volume number 288
Start page 160
End page 166
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-05
ISSN 0167-2738
Keyword(s) Plastic crystal
Molecular dynamics
NMR
Ionic conduction
Heterogeneous dynamics
Summary Solid state phases of organic salts, whose chemistry is closely related to that of ionic liquids, often show interesting phase behavior and dynamics resulting in solid-state conductors that have potential application in electrochemical devices such as solid state batteries. The mechanism of conduction in these solid-state plastic crystal phases is still not entirely understood. We have recently shown using molecular dynamics (MD) simulations that the introduction of defects, such as vacancies, leads to heterogeneous dynamics in the OIPC arising from amorphous and mobile domains in these materials. Advanced magnetic resonance imaging (MRI) analysis indicates that these domains can exhibit distinct orientations, leading to anisotropic ionic conductivity with enhanced values in a particular direction. This paper will review this new understanding, drawing links between the molecular and macroscopic-level information provided by these two techniques.
Language eng
DOI 10.1016/j.ssi.2015.11.025
Field of Research 030304 Physical Chemistry of Materials
0204 Condensed Matter Physics
0306 Physical Chemistry (Incl. Structural)
0912 Materials Engineering
Socio Economic Objective 850602 Energy Storage (excl. Hydrogen)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID ARC FL110100013
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081227

Document type: Journal Article
Collection: Institute for Frontier Materials
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