Mechanistic study demonstrates enhanced oxygen reduction activity in Mg-doped La0.5Sr1.5FeO4+δ cathodes, indicating improved fuel cell stability.
Mg doping adjusts La 0.5 Sr 1.5 FeO 4+ δ lattice, raises oxygen vacancies and speeds up oxygen ion transport. Optimized LSFM 0.05 cathode gains higher ORR activity, lower ASR and good thermal compatibility, boosting IT-SOFC performance and stability.
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Liu et al. (2026) studied this question.
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