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Abstract
PrBaInOx (PBI) and materials with related structures of perovskite were added to the anode of Solid Oxide Fuel Cells (SOFCs). The electrochemical performance of SOFCs improved by addition of PBI particles to the Ni/GDC anode in dry methane fuel. The effect of added PBI and materials with related structures of perovskite on the electrode characteristics was then investigated to determine the appropriate SOFC anode additive. Electrochemical measurements of Ni/GDC anodes with added PBI, PrInO3, BaCeO3 and Gd-doped BaCeO3 (BCG) suggest that BCG is the most effective anode additive for dry methane fuel. With wet H2 (1% H2O) fuel, the addition of BCG improved the electrochemical performance only of the Ni-free GDC anode, possibly due to the difference in hydrogen dissociative adsorption performance with and without Ni.
Published Version
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