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Potentials of Silver and Gold Electrodes of ZrO2-Based Cells in N2+ O2+ CO2+ CO Gas Mixtures

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Abstract

Steady-state electrode potentials in cells with a ZrO2+ 10 mol % Y2O3electrolyte are measured at 400 to 500°C in nonequilibrium N2+ O2+ CO2+ CO gas mixtures containing 0–3 and 0–10 vol % of CO and O2, respectively. In CO-free mixtures, the potentials obey the Nernst equation. The CO-caused deviation of the potential from its equilibrium value depends on the O2content and temperature and is due mainly to the CO adsorption at electrodes.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 20, Yekaterinburg, 620219, Russia

    G. I. Fadeev & I. D. Remez

Authors
  1. G. I. Fadeev
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  2. I. D. Remez
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Fadeev, G.I., Remez, I.D. Potentials of Silver and Gold Electrodes of ZrO2-Based Cells in N2+ O2+ CO2+ CO Gas Mixtures. Russian Journal of Electrochemistry 37, 502–504 (2001). https://doi.org/10.1023/A:1016676120960

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  • DOI: https://doi.org/10.1023/A:1016676120960

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