Strength of Anode‐Supported Solid Oxide Fuel Cells

A. Faes, Henrik Lund Frandsen, Andreas Kaiser, M. Pihlatie

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Nickel oxide and yttria doped zirconia composite strength is crucial for anode‐supported solid oxide fuel cells, especially during transient operation, but also for the initial stacking process, where cell curvature after sintering can cause problems. This work first compares tensile and ball‐on‐ring strength measurements of as‐sintered anodes support. Secondly, the strength of anode support sintered alone is compared to the strength of a co‐sintered anode support with anode and electrolyte layers. Finally, the orientation of the specimens to the bending axis of a co‐sintered half‐cell is investigated. Even though the electrolyte is to the tensile side, it is found that the anode support fails due to the thermo‐mechanical residual stresses.
    Original languageEnglish
    JournalFuel Cells
    Volume11
    Issue number5
    Pages (from-to)682-689
    ISSN1615-6846
    DOIs
    Publication statusPublished - 2011

    Keywords

    • Solid Oxide Fuel Cells

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