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Abnormal Behavior of Conductivity of BaZr0.95Nd0.05O3−δ upon Changing the Atmosphere Composition

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Abstract

An abnormal increase (by up to 15 times as compared to the equilibrium value) in the conductivity of high-temperature protonic solid electrolyte BaZr0.95Nd0.05O3−δ upon a rapid change of an oxidative atmosphere to a hydrogen-containing reductive one is discovered. The reverse change of the atmospheres results in an abnormal decrease in the protonic conductivity. The effect is explained by an interaction of hydrogen with nonequilibrium electronic holes in the electrolyte.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 22, Yekaterinburg, 620219, Russia

    V. P. Gorelov & N. V. Sharova

Authors
  1. V. P. Gorelov
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  2. N. V. Sharova
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Correspondence to V. P. Gorelov.

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Translated from Elektrokhimiya, Vol. 41, No. 10, 2005, pp. 1272–1274.

Original Russian Text Copyright © 2005 by Gorelov, Sharova.

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Gorelov, V.P., Sharova, N.V. Abnormal Behavior of Conductivity of BaZr0.95Nd0.05O3−δ upon Changing the Atmosphere Composition. Russ J Electrochem 41, 1135–1137 (2005). https://doi.org/10.1007/s11175-005-0193-x

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  • DOI: https://doi.org/10.1007/s11175-005-0193-x

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