Ionic Conductivity of Solid Lithium Iodide and its Monohydrate

Finn Willy Poulsen

    Research output: Contribution to journalJournal articleResearchpeer-review


    The solid electrolytes LiI, LiI,H2O and LiI,D2O have been characterized by ac- and dc-conductivity measurements. LiI exhibits two conductivity regions: an extrinsic below ≈ 180°C and an intrinsic above, with activation energies of 0.43±0.04 eV and 0.81±0.05 eV respectively. The room temperature conductivities of the hydrates LiI,H2O and LiI,D2O are 6.6× 10−6 and 6.1×10−6 (Ω cm)−1 respectively. The activation energy for Li-ion motion in LiI,D2O is 0.66±0.05 eV.
    Original languageEnglish
    JournalSolid State Ionics
    Issue number1
    Pages (from-to)53-57
    Publication statusPublished - 1981

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