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- W2062529544 abstract "This work proposes the use of CeO2 as additive for La0.8Sr0.2MnO3 cathodes (LSM) in order to increase both their thermal stability and electrochemical properties after co-sintering with YSZ-electrolyte at 1350°C. Results show that non CeO2-added LSM is instable at 1350°C, whereas in CeO2-added LSM cathodes the instability is drastically reduced. Besides, results show a correlation between CeO2 addition into LSM and the maximum power density obtained in an YSZ-electrolyte supported single cell (300 μm thickness) with anode and cathode co-sintered at 1350°C. Single cells with non CeO2-added LSM cathodes produce only 7 mW/cm2 at 800°C whereas in CeO2-added (12 mol%) LSM the power density rises up to 117 mW/cm2. Results suggest that CeO2 could enhance the power density by at least two ways: CeO2 doping into LSM structure and by the modification of La2Zr2O7 formation at high temperature. Finally, the CeO2 addition into LSM approach provides the highest co-sintering temperature for LSM-YSZ with a reasonable a promising electrochemical performance and without use any barrier layer between LSM-cathode and YSZ-electrolyte." @default.
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- W2062529544 date "2011-06-01" @default.
- W2062529544 modified "2023-09-25" @default.
- W2062529544 title "Improvement of LSM performance under co-sintering at high temperature via CeO2addition" @default.
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- W2062529544 doi "https://doi.org/10.1088/1757-899x/18/13/132009" @default.
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