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Promising membrane materials based on strontium titanate

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Abstract

Electroconductivity of SrTi1−x Fe x O3−δ(x = 0–0.5) specimens was studied by four-probe method. An opportunity was studied to produce hydrogen by high-temperature electrochemical conversion using SrTi0.5Fe0.5O3−δ as the membrane material of the best conductivity. The effective ambipolar conductivity values calculated for SrTi0.5Fe0.5O3−δ from the leakage experiment were found different from the ambipolar conductivity values calculated by the four-probe data processing because ambipolar conductivity corresponds to bulk transfer of complex oxide particles, taking no surface phenomena into account.

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Authors and Affiliations

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

    A. A. Murashkina, E. Yu. Pikalova & A. K. Demin

Authors
  1. A. A. Murashkina
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  2. E. Yu. Pikalova
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  3. A. K. Demin
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Correspondence to A. A. Murashkina.

Additional information

Original Russian Text © A.A. Murashkina, E.Yu. Pikalova, A.K. Demin, 2009, published in Elektrokhimiya, 2009, vol. 45, No. 5, pp. 578–583.

Published by report at IX Conference “Fundamental Problems of Solid State Ionics”, Chernogolovka, 2008.

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Murashkina, A.A., Pikalova, E.Y. & Demin, A.K. Promising membrane materials based on strontium titanate. Russ J Electrochem 45, 542–547 (2009). https://doi.org/10.1134/S1023193509050073

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  • DOI: https://doi.org/10.1134/S1023193509050073

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