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Characteristics of the La0.6Sr0.4Fe0.8Co0.2O3 − δ electrode in contact with the lanthanum gallate-based electrolyte

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Abstract

Lowering the working temperature of solid oxide fuel cells (SOFCs) is the main trend in their development, which requires selection of materials for electrolyte and electrodes. A highly conducting lanthanum gallate-based electrolyte is a promising material for creating medium-temperature SOFCs. The electrochemical characteristics of the La0.6Sr0.4Fe0.8Co0.2O3 − δ cathode that contacted with the La0.88Sr0.12Ga0.82Mg0.18O2.85 electrolyte subject to electrode formation temperatures have been investigated. It was found that at optimum bake-on temperatures of 1200–1250°C, the cathode polarization resistance at 800°C was ∼0.08 Ohm cm2, which is comparable to the world’s best achievements.

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Authors and Affiliations

  1. Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia

    A. V. Nikonov, A. S. Lipilin & D. M. Stepanov

  2. Institute of High-Temperature Electrochemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia

    S. N. Shkerin

  3. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia

    O. I. Gyrdasova

Authors
  1. A. V. Nikonov
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  2. S. N. Shkerin
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  3. A. S. Lipilin
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  4. O. I. Gyrdasova
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  5. D. M. Stepanov
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Correspondence to A. V. Nikonov.

Additional information

Original Russian Text © A.V. Nikonov, S.N. Shkerin, A.S. Lipilin, O.I. Gyrdasova, D.M. Stepanov, 2013, published in Elektrokhimiya, 2013, Vol. 49, No. 8, pp. 905–908.

Published on the basis of the lecture in XI Meeting “Fundamental Problems of Solid State Ionics”, Chernogolovka, 2012.

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Nikonov, A.V., Shkerin, S.N., Lipilin, A.S. et al. Characteristics of the La0.6Sr0.4Fe0.8Co0.2O3 − δ electrode in contact with the lanthanum gallate-based electrolyte. Russ J Electrochem 49, 813–816 (2013). https://doi.org/10.1134/S1023193513080156

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  • DOI: https://doi.org/10.1134/S1023193513080156

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