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Importance of electrode/zirconia interface morphology in high-temperature solid electrolyte cells

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Abstract

The role of electrode/electrolyte interface morphology in the overall polarization behaviour of high-temperature solid electrolyte cells has been studied. Carefully prepared and polished scandia-stabilized zirconia discs with sputtered platinum electrodes were examined using electron microscopy and electrical polarization techniques. Initially non-porous sputtered platinum electrodes were ‘conditioned’ by a progressive treatment to generate artificial porosity. This eliminated subsequent time-dependent changes in the interface-related impedance of such cells. After prolonged use, the anode and cathode morphologies were found to be distinctly different from each other.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Stanford University, 94305, Stanford, CA, USA

    Turgut M. Gür & Robert A. Huggins

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  1. Turgut M. Gür
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  2. Robert A. Huggins
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Gür, T.M., Huggins, R.A. Importance of electrode/zirconia interface morphology in high-temperature solid electrolyte cells. J Appl Electrochem 17, 800–806 (1987). https://doi.org/10.1007/BF01007817

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  • DOI: https://doi.org/10.1007/BF01007817

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