Evaluation of the Kinetic Parameters of the Sodium Insertion in Sodium Molybdates by Impedance Spectroscopy
- 1 September 1992
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 139 (9) , 2359-2362
- https://doi.org/10.1149/1.2221231
Abstract
The kinetics of the insertion of Na into the layered NaxMo2O4 system upon charge and discharge has been studied by means of ac-complex impedance spectroscopy. The Na diffusion coefficient values deduced correlate well with the structural modifications occurring in these monoclinic molybdates upon Na intercalation, namely, change from trigonal prismatic coordination for low sodium content to octahedral for higher contentKeywords
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