Conductivity in amorphous polyether nanocomposite materials

Best, A. S., Ferry, A., MacFarlane, D. R. and Forsyth, M. 1999, Conductivity in amorphous polyether nanocomposite materials, Solid state ionics, vol. 126, no. 3-4, pp. 269-276, doi: 10.1016/S0167-2738(99)00239-8.

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Title Conductivity in amorphous polyether nanocomposite materials
Author(s) Best, A. S.
Ferry, A.
MacFarlane, D. R.
Forsyth, M.ORCID iD for Forsyth, M.
Journal name Solid state ionics
Volume number 126
Issue number 3-4
Start page 269
End page 276
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 1999-11-02
ISSN 0167-2738
Keyword(s) amorphous
polymer nanocomposites
FT-Raman spectroscopy
Summary Using a completely amorphous polyether we have investigated the effect of the inclusion of a nano-particulate filler on a polymer electrolyte. Nano-sized TiO2 is shown not to significantly affect the conductivity of composite electrolytes containing 1.0 or 1.25 mol/kg LiClO4 or 1.5 or 2.0 mol/kg LiTFSI. At 1.5 mol/kg LiClO4 a significant increase in conductivity is observed. Raman spectroscopy experiments have been used to investigate the effect of filler on ion-aggregation. Only one new vibrational mode can be assigned to the composite which is not due to the polymer electrolyte or the filler. From this work, we believe the increased conductivity observed by previous researchers as a result of filler addition may be largely attributed to the effect on the degree of crystallinity along with some disruption of ion-aggregation by the fillers in PEO based electrolytes.
Language eng
DOI 10.1016/S0167-2738(99)00239-8
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 ©1999, Elsevier Science B.V.
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