AC impedance of the Li(1-x)CoO2 electrode

M. G S R Thomas, P. G. Bruce, J. B. Goodenough

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


An equivalent circuit for a porous polycrystalline insertion electrode is presented. This model is found to be inadequate to describe the ac response of the Li(1-x)CoO2/LiBF4 in propylene carbonate interface because of the formation of a Li+-ion conducting layer on the surface of the electrode. Lithium diffusion in the electrode is determined by three methods which all indicate a value grater than that reported for TiS2. © 1986.

Original languageEnglish
Pages (from-to)794-798
Number of pages5
JournalSolid State Ionics
Issue numberPART 2
Publication statusPublished - Jan 1986


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