Synthesis of new Mn/Ti containing perovskites and examination of their potential for use as solid oxide fuel cell electrodes

T.W. Pike and P.R. Slater

International Journal of Low-Carbon Technologies, 2011, vol. 7, issue 1, 60-62

Abstract: In this paper we report the synthesis of a series of new Mn/Ti containing perovskites, La 1−x Mn x Mn 1−x Ti x O 3−δ , for investigation of their potential for use as solid oxide fuel cell electrodes, particularly anodes. Single-phase samples could be achieved for x ≤ 0.4. Above this level, La 2 Ti 2 O 7 impurities were found. Conductivity measurements showed electronic conductivity up to a maximum of 12 S cm-super-−1 at 850°C in air. While the samples were shown to be stable in both air and 5% H 2 /N 2 , the conductivities in the latter were significantly lower (≈0.4 S cm-super-−1), which would be an issue for potential anode applications. Copyright , Oxford University Press.

Date: 2011
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