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Electrochemical Behavior of Partially-Discharged Li x V2O5 Electrodes upon Interruption of Current

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Abstract

A mathematical diffusion model, which takes into account the electrochemical behavior of partially-discharged thin-layer electrodes made of intercalation materials upon interruption of circuit, is put forward. The applicability of the model is tested by the example of Li x V2O5 films. According to theoretical calculations and experimental data, the equilibrium potential of the films studied depends practically linearly on the degree of intercalation with a slope of –0.8 V for intercalation degrees of 0.3–0.7. The chemical diffusion coefficient of lithium in the films is equal to 1.5 × 10–11 cm2/s and changes insignificantly at these intercalation degrees.

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Authors and Affiliations

  1. Ukrainian State Chemicotechnological University, Dnepropetrovsk, Ukraine

    V. P. Tysyachnyi, E. M. Shembel' & P. D. Apostolova

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  1. V. P. Tysyachnyi
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  2. E. M. Shembel'
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  3. P. D. Apostolova
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Tysyachnyi, V.P., Shembel', E.M. & Apostolova, P.D. Electrochemical Behavior of Partially-Discharged Li x V2O5 Electrodes upon Interruption of Current. Russian Journal of Electrochemistry 38, 1004–1008 (2002). https://doi.org/10.1023/A:1020297129588

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  • DOI: https://doi.org/10.1023/A:1020297129588

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