Abstract
Lowering of the operation temperature of Solid Oxide Fuel Cells from present 1000 °C down to intermediate range 600–800 °C (so-called IT–SOFC), considered as a strategic goal in technological development, calls for application of suitable cathode material, which at that temperature range would possess high catalytic activity towards an oxygen reduction process. A crucial factor for IT–SOFC cells is the implementation of perovskite material, characterized by improved ionic–electronic transport for the cathode. In this chapter, we present studies of perovskites from group of Ln1−xAxMO3 oxides, where: Ln: lanthanides, A: alkali–earth metals (e.g., Sr, Ba), M: composition of Fe, Co, and Mn. A challenging task was to assess interrelations between the types of point defects related to oxygen non-stoichiometry and foreign atoms of dopants, their concentration, crystal structure, electronic structure, transport, and catalytic properties.
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Molenda, J., Świerczek, K. (2013). Strategies for Perspective Cathode Materials for IT–SOFC. In: Irvine, J., Connor, P. (eds) Solid Oxide Fuels Cells: Facts and Figures. Green Energy and Technology. Springer, London. https://doi.org/10.1007/978-1-4471-4456-4_3
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DOI: https://doi.org/10.1007/978-1-4471-4456-4_3
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