A combined SEM and CV Study of Solid Oxide Fuel Cell Interconnect Steels

Kent Kammer Hansen, Stanley Ofoegbu, Lars Mikkelsen

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    Abstract

    Scanning electron microscopy and cyclic voltammetry were used to investigate the high temperature oxidation behavior of two solid oxide fuel cell interconnect steels. One alloy had a low content of manganese; the other alloy had a high content of manganese. Four reduction and four oxidation peaks were observed in the voltammograms of the low manganese alloy at a temperature of 800 oC. The voltammograms of the alloy with a high content of manganese were different. At 600 oC three reduction peaks and two oxidation peaks were observed. At 800 oC additional peaks were observed in the voltammogram for this alloy.
    Original languageEnglish
    JournalJournal of Solid State Electrochemistry
    Volume16
    Issue number4
    Pages (from-to)1399-1404
    ISSN1432-8488
    DOIs
    Publication statusPublished - 2012

    Keywords

    • Solid Oxide Fuel Cells

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