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- W4293582884 abstract "A new spinel oxide CoFe 1.9 Li 0.1 O 4 (CFLO) has been synthesized as a cathode material for proton-conducting solid oxide fuel cells. CFLO has good structure stability up to 900 °C. In addition, the material can survive in both CO 2 and steam-containing atmospheres. Compared with the Li-free sample, the Li-doping strategy significantly regulates the material's electronic structure. The low valence of Li leads to the increased amount of Fe and Co cations with higher valences. Furthermore, doping Li creates more oxygen vacancies at the material surface, which benefits the oxygen reduction reaction (ORR). The improved cathode performance for CFLO has been demonstrated that a cell using CFLO cathode reaches a peak power density of 1052 mW cm −2 at 700 °C. The cell performance is 60% larger than the Li-free cell, and similar results can be detected at other testing temperatures. In addition, the CFLO cell shows good long-term stability in the working condition. This study proposes the Li-doping strategy to modify spinel oxides and also provides a new spinel oxide as a high-performing cathode for H–SOFCs." @default.
- W4293582884 created "2022-08-30" @default.
- W4293582884 creator A5021575087 @default.
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- W4293582884 date "2022-11-01" @default.
- W4293582884 modified "2023-09-30" @default.
- W4293582884 title "A new CoFe1.9Li0.1O4 spinel oxide cathode for proton-conducting solid oxide fuel cells" @default.
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- W4293582884 doi "https://doi.org/10.1016/j.ceramint.2022.08.262" @default.
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