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Cation mobility and anion reorientation in lithium trifluoromethane sulfonate, LiCF3SO3
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Applied Electrochemistry.
2005 (English)In: Solid State Ionics, ISSN 0167-2738, E-ISSN 1872-7689, Vol. 176, no 15-16, 1449-1456 p.Article in journal (Refereed) Published
Abstract [en]

We present a detailed study of the dynamic processes present in the lithium ionic conductor lithium trifluoromethane sulfonate, LiCF3SO3. Using Li-7-, O-17- and F-19 solid state NMR line shape analysis and T-1-NMR, the anionic (CF3- and SO3-reorientation) and cationic dynamics (Li motion) could be studied separately. Whereas the CF3- and SO3 reorientations are active at ambient temperatures and not correlated to the cation motion, the NMR data indicate a strong correlation between the Li motion and the reorientation of the complete triflate anion.

Place, publisher, year, edition, pages
2005. Vol. 176, no 15-16, 1449-1456 p.
Keyword [en]
lithium trifluoromethane sulfonate, crystalline ionic conductors, solid state NMR, T-1-NMR, NMR line shape analysis, nuclear-magnetic-resonance, paddle-wheel mechanism, solid-state nmr, spin-lattice relaxation, polymer electrolytes, sodium orthophosphate, quadrupolar nuclei, percolation model, ionic conductors, beta-alumina
URN: urn:nbn:se:kth:diva-14861ISI: 000230094700014OAI: diva2:332902
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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