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Bi and Sn co-doped perovskite BaFe 0.8−X Sn 0.2 Bi X O 3−δ materials have been designed and characterized as a series of new cathodes for proton-conducting solid oxide fuel cells (SOFCs), providing a new life for the traditional BaFeO 3 -based cathodes.
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Xia et al. (2019) studied this question.
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