Effects of trace elements at the Ni/ScYSZ interface in a model solid oxide fuel cell anode

@inproceedings{Schmidt2008EffectsOT,
  title={Effects of trace elements at the Ni/ScYSZ interface in a model solid oxide fuel cell anode},
  author={Michael Stenb{\ae}k Schmidt and Karin Vels Hansen and Kion Norrman and Mogens Bjerg Mogensen},
  year={2008}
}
Two ScYSZ electrolytes with different impurity levels were evaluated by electrochemical impedance spectroscopy using a nickel point electrode setup. The nickel electrodes showed lower electrode polarization resistances on the pure electrolyte than on the impure electrolyte. Time-of-flight secondary ion mass spectrometry was used to evaluate the electrode/electrolyte interfaces. Stronger signals from silica impurities in the electrode/electrolyte interface, relative to the electrolyte/gas… CONTINUE READING

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