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

Thomas Pike | Zendy; Peter R. Slater | Zendy

Open Access

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

Author(s) -

Thomas Pike,

Peter R. Slater

Publication year - 2011

Publication title -

international journal of low-carbon technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.458

H-Index - 26

eISSN - 1748-1325

pISSN - 1748-1317

DOI - 10.1093/ijlct/ctr021

Subject(s) - anode , conductivity , materials science , electrode , oxide , impurity , solid oxide fuel cell , fuel cells , perovskite (structure) , analytical chemistry (journal) , phase (matter) , electrical resistivity and conductivity , chemical engineering , inorganic chemistry , metallurgy , chemistry , electrical engineering , organic chemistry , chromatography , engineering

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.

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