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- W3117198216 abstract "Strontium segregation in a La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) electrode reacts with Cr and S in a solid oxide fuel cell (SOFC), which can cause cell performance deterioration. Integrated Cr and S poisoning for LSCF cathodes of SOFC was studied at 800 °C of 200 mA cm-2 (cathodic) for 20 h. After polarization in Cr and S at 800 °C for 20 h, polarization and ohmic resistances for LSCF were 2.4 Ω cm2 and 3.4 Ω cm2, which were larger than those for LSCF electrodes after Cr deposition only and S deposition only, respectively. The results illustrated that Cr and S deposition occurred on the surface of LSCF, which could form SrCrO4 and SrSO4. Compared to Cr deposition only and S deposition only, integrated Cr and S deposition was unsystematic, and the degradation phenomenon of Cr and S poisoning was more severe. The integrated Cr and S deposition of the LSCF electrodes was induced via interactions among CrO, SO2 and segregated SrO from LSCF." @default.
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- W3117198216 date "2021-01-01" @default.
- W3117198216 modified "2023-10-14" @default.
- W3117198216 title "Integrated Cr and S poisoning of a La<sub>0.6</sub>Sr<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3−δ</sub> (LSCF) cathode for solid oxide fuel cells" @default.
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- W3117198216 doi "https://doi.org/10.1039/d0ra09239h" @default.
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