High-performance cathode-supported solid oxide fuel cells with copper cermet anodes
By Zhao, Lin; Ye, Xiaofeng & Zhan, Zhongliang
Published in Journal of Power Sources
NULL
2011
Abstract
Thin film solid oxide fuel cells, composed of thin coatings of 8 mol% Y2O3-stabilized ZrO2 (YSZ), thick substrates of infiltrated La0.8S0.2FeO3 (LSF)–YSZ cathodes and CuO–SDC (Ce0.85Sm0.15O1.925)–ceria anodes, are fabricated using the conventional tape casting and infiltration methods. Infiltrated LSF–YSZ cathodes exhibit a much lower interfacial polarization resistance than (La0.8Sr0.2)0.98MnO3 (LSM)–YSZ cathodes due to the mixed ionic and electronic conducting behavior of LSF, especially at low operation temperatures. The single cell has shown good and stable performance in hydrogen and hydrocarbon fuels. Maximum power densities for hydrogen, propane, dodecane and low sulfur diesel at 800 °C are 0.62 W cm-2, 0.40 W cm-2, 0.37 W cm-2 and 0.36 W cm-2, respectively.
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