Electrical Properties of LiMn1.9Fe0.1O4 Spinel and Lithium Batteries with Cathodes on Its Basis

Authors A.M. Boychuk , V.V. Uhorchuk , T.Ya. Boychuk , M.I. Gasyuk

Vasyl Stefanyk Precarpathian National University, 57, Shevchenko Str., 76000 Ivano-Frankivsk, Ukraine

Issue Volume 5, Year 2013, Number 3
Dates Received 04 February 2013; published online 17 October 2013
Citation A.M. Boychuk, V.V. Uhorchuk, T.Ya. Boychuk, M.I. Gasyuk, J. Nano- Electron. Phys. 5 No 3, 03034 (2013)
PACS Number(s) 65.40.Gk, 82.45. – h
Keywords Spinel, Intercalation (2) , Impedance (12) , Electrical conductivity (10) , Diffusion (10) .
Annotation Impedance study of LiMn1.9Fe0.1O4 spinel and electrochemical cells with cathode based on it has been carried out. The influence of iron substitution on the structure, distribution of cathions in sublattices, and electrical properties of the synthesized polycrystalline spinel has been established. Based on the analysis of the impedance spectra of electrochemical cells, the charge transfer processes in layouts of lithium current sources are described and the main kinetic parameter of lithium intercalation – electrostimulated diffusion coefficient – has been calculated.

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