Polarization-Induced Interfacial Reactions Between Nickel and Selenium in Ni/Zirconia SOFC Anodes and Comparison with Sulfur Poisoning

Three distinctly different characteristic responses of a nickel/yttria-stabilized zirconia (Ni/YSZ) cermet anode to the presence of hydrogen selenide in synthetic coal gas were observed, depending on temperature (650-800oC), H2Se concentration (0-40 ppm), and especially on the extent of anodic polar...

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Veröffentlicht in:	Journal of the Electrochemical Society 2011-01, Vol.158 (1), p.B36
Hauptverfasser:	Marina, Olga A., Pederson, Larry R., Coyle, Christopher A., Thomsen, Edwin C., Edwards, Danny J.
Format:	Artikel
Sprache:	eng
Schlagworte:	01 COAL, LIGNITE, AND PEAT 30 DIRECT ENERGY CONVERSION ANODES CERMETS COAL GAS CURRENT DENSITY ELECTRON MICROSCOPY Environmental Molecular Sciences Laboratory IMPEDANCE Ni/YSZ anode NICKEL nickel oxidation NICKEL OXIDES NICKEL SELENIDES OSCILLATIONS POISONING POLARIZATION POWER DENSITY SELENIUM SELENIUM HYDRIDES selenium poisoning SOFC SOLID OXIDE FUEL CELLS SULFUR
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