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- W2940691574 abstract "The design of a symmetrical solid oxide fuel cell comprising identical anode and cathode material brings numerous advantages over a conventional cell with different anode and cathode materials. In this report, A-site layered perovskite with an SmBaMn2O5+δ composition is synthesized and thoroughly investigated as the electrode material for symmetrical cells. The SmBaMn2O5+δ material with a P4/nmm structure remains stable in both reducing and oxidizing atmospheres at elevated temperatures, but with a difference of ca. 1 mol in the oxygen content per mole of SmBaMn2O5+δ between the oxidized and the reduced materials. The SmBaMn2O5+δ material shows high electrical conductivity in air and an acceptable value in 5% H2/Ar at 750–900 °C, and it exhibits outstanding catalytic activity toward oxygen reduction and hydrogen oxidization reactions with polarization resistance values of 0.066 and 0.313 Ω cm2 in air and humidified H2 at 900 °C, respectively. The power density of a laboratory-scale La0.8Sr0.2Ga0.8Mg0.2O3−..." @default.
- W2940691574 created "2019-05-03" @default.
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- W2940691574 date "2019-04-24" @default.
- W2940691574 modified "2023-10-17" @default.
- W2940691574 title "High-Performance SmBaMn<sub>2</sub>O<sub>5+δ</sub> Electrode for Symmetrical Solid Oxide Fuel Cell" @default.
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- W2940691574 doi "https://doi.org/10.1021/acs.chemmater.9b01012" @default.
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