Intermediate temperature solid oxide fuel cells using LaGaO3 based oxide film deposited by PLD method

Tatsumi Ishihara, Hiroyuki Eto, Jingwang Yan

    Research output: Contribution to journalArticlepeer-review

    41 Citations (Scopus)

    Abstract

    Dense La0.9Sr0.1Ga0.8Mg 0.2O3-δ (LSGM, 5 μm in thickness)/Ce 0.8Sm0.2O2-δ (SDC, 400 nm in thickness) bilayer films were deposited on a dense NiO (Fe3O4)-SDC anode substrate by a pulsed laser deposition (PLD) method. After in-situ reduction, the substrate turned to be porous and it can be used as a porous anode substrate. The power density was strongly affected by the oxide ion conductor combined with LSGM and it was found that SDC is the most useful for achieving the high power density. Preparation of Sm0.5Sr 0.5CoO3 cathode film by PLD method is also studied for decreasing the contact resistance of cathode. Preparation of SSC film by PLD is effective for decreasing cathodic overpotential and 400 nm thick film is the most effective for achieving the high power density. At 773 K, the maximum power density of the cell becomes higher than 500 mW/cm2.

    Original languageEnglish
    Pages (from-to)1862-1867
    Number of pages6
    JournalInternational Journal of Hydrogen Energy
    Volume36
    Issue number2
    DOIs
    Publication statusPublished - Jan 2011

    All Science Journal Classification (ASJC) codes

    • Renewable Energy, Sustainability and the Environment
    • Fuel Technology
    • Condensed Matter Physics
    • Energy Engineering and Power Technology

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