Hydrogen solubility and diffusivity in a barium cerate protonic conductor using tritium imaging plate technique

K. Yamashita, T. Otsuka, K. Hashizume

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    A tritium imaging plate technique has been applied to visualize hydrogen distribution and examine hydrogen solubility and diffusivity in a proton-conducting oxide, Y-doped BaCeO3 (BaCe0.9Y0.1O3 - α). Tritium charging of the BaCe0.9Y0.1O3 - α specimens was carried out by a gas absorption method using partially tritiated water vapor (HTO, 3 kPa, T/H ~ 10- 6) at temperatures ranging from 673 K to 873 K for a given time. After charging, tritium distributions of the surface and cross section of the halved specimens were visualized using an imaging plate technique. From the tritium concentration and distributions of the surface and cross section, hydrogen solubility and hydrogen (tritium) diffusivity of the BaCe0.9Y0.1O3 - α specimens were determined.

    Original languageEnglish
    Pages (from-to)43-46
    Number of pages4
    JournalSolid State Ionics
    Volume275
    DOIs
    Publication statusPublished - Jul 1 2015

    Fingerprint

    Tritium
    Barium
    tritium
    diffusivity
    barium
    Hydrogen
    solubility
    conductors
    Solubility
    Imaging techniques
    hydrogen
    charging
    Gas absorption
    cross sections
    Steam
    Oxides
    Water vapor
    water vapor
    Protons
    conduction

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)
    • Materials Science(all)
    • Condensed Matter Physics

    Cite this

    Hydrogen solubility and diffusivity in a barium cerate protonic conductor using tritium imaging plate technique. / Yamashita, K.; Otsuka, T.; Hashizume, K.

    In: Solid State Ionics, Vol. 275, 01.07.2015, p. 43-46.

    Research output: Contribution to journalArticle

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