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Electrochemical Intercalation of Lithium Ions into Electrolytic Vanadium Pentoxide
Authors:Tysyachnyi  V. P.  Shembel'   E. M.  Apostolova  R. D.
Affiliation:(1) Ukrainian State University of Chemical Technology, pr. Gagarina 8, Dnepropetrovsk, 320640, Ukraine
Abstract:The discharge of thin films of LixV2O5 is described by a mathematical diffusion model. The chemical diffusion coefficient for lithium ions, estimated with the model, is equal to (1.01–2.5) × 10–11 cm2/s. As the film thickness increases, the discharge capacity at a current of 20 mgrA/cm2 tends to the calculated limiting of 3.12 C/cm2. The optimum thickness of the film electrode calculated for a discharge current of 20 mgrA/cm2 is 33.4 mgrm and agrees satisfactorily with the experimental value.
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