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- W2914808009 abstract "Interface reactions between screen printed cathodes and planar electrolyte substrates and the resulting cathodic overpotentials of single cells have been investigated with respect to cathode composition and sintering temperature. Consistent with earlier powder mixture experiments, minor amounts of SrZrO3 were identified at a (La, Sr)MnO3/8 YSZ interface for a sintering temperature of 1300 °C. Substitution of 50 % cobalt for of manganese resulted in a remarkable increase in secondary phases at the interface. For (La, Sr)CoO3 more than 50 % of the cathode consisted of SrZrO3, La2Zr2O7 and cobalt oxide. The overpotential of Cobalt free cathodes was not influenced by a decrease in sintering temperature, but for a La0.8Sr0.2Mn0.5Co0.5O3-δ-cathode a remarkable decrease from 250 mV (Ts: 1300°C/5h) to 50 mV (Ts: 1150°C/5h) occured (current density: 100 mA/cm2, Toperate: 970 °C)." @default.
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- W2914808009 date "1993-01-01" @default.
- W2914808009 modified "2023-09-25" @default.
- W2914808009 title "Investigations of Cobalt-Containing Perovskites in SOFC Single Cells with Respect to Interface Reactions and Cell Performance" @default.
- W2914808009 doi "https://doi.org/10.1149/199304.0613pv" @default.
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