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NMR studies of cation transport in the crystalline ion conductors MCF3SO3 (M = Li, Na) and Li7TaO6
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Applied Electrochemistry.
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2006 (English)In: Solid State Ionics, ISSN 0167-2738, E-ISSN 1872-7689, Vol. 177, no 19-25, 1665-1672 p.Article in journal (Refereed) Published
Abstract [en]

In this contribution we present studies on the mechanism of ion transport in crystalline solid electrolytes employing a range of different solid state nuclear magnetic resonance (NMR) experiments. The first part is devoted to the elucidation of a possible correlation of cation transport and anion reorientation in the dynamically disordered rotor phases of alkali trifluoromethane sulfonates MCF3SO3 (M = Li, Na) employing Li-7, C-13, O-17 and Na-23 NMR line shape analysis, whereas the second part focuses on the tracking of cation diffusion pathways in the hexaoxometalate Li7TaO6 utilizing Li-6 1D and 2D exchange MAS NMR approaches.

Place, publisher, year, edition, pages
2006. Vol. 177, no 19-25, 1665-1672 p.
Keyword [en]
crystalline ion conductors, solid state NMR, paddle-wheel mechanism, 2D exchange NMR, polymer electrolytes, anion reorientation, phase-transition, high-temperature, solid-solutions, paddle-wheel, conductivity, relaxation, mobility, trifluoromethanesulfonate
URN: urn:nbn:se:kth:diva-16181ISI: 000242555200023OAI: diva2:334223
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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