Transport & kinetic aspects of alkali metal ions intercalation into AVPO4F framework

Victoria A. Nikitina, Stanislav S. Fedotov, Sergey Yu Vassiliev, Aleksandr Sh Samarin, Nellie R. Khasanova, Evgeny V. Antipov

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

The effect of the cation nature is explored for the reaction of alkali metal ions intercalation into the AVPO4F material. Application of electrochemical methods allowed determining the key diffusional and kinetic parameters for Li+, Na+ and K+intercalation reactions. The obtained formal redox potential values, apparent diffusion coefficients and charge transfer resistance values are contrasted, providing the possibility to assess the variation in the reaction energetics for metal ion insertion/extraction. The observed differences in reaction rates are rationalized in terms of different contributions of ion desolvation and transition through adsorbate layer/electrode interface for various ions.

Original languageEnglish
Pages (from-to)A6373-A6380
JournalJournal of the Electrochemical Society
Volume164
Issue number1
DOIs
Publication statusPublished - 2017

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