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- W2023002505 abstract "While cobalt-containing perovskite-type cathode materials facilitate the activation of oxygen reduction, they also suffer from problems like poor chemical stability in CO2, high thermal expansion coefficients, etc. Partial B site substitution with Fe element is expected to be able to mitigate these problems while keeping high catalyst performance. In this paper, a layered perovskite GdBaCoFeO5+δ (GBCF) was developed as a cathode material for protonic ceramic membrane fuel cells (PCMFCs) based on proton-conducting electrolyte of stable BaZr0.1Ce0.7Y0.2O3−δ (BZCY7). The button cells of Ni-BZCY7|BZCY7|GBCF were fabricated and tested from 600 to 700 °C with humidified H2 (∼3% H2O) as a fuel and ambient oxygen as oxidant. An open-circuit potential of 1.002 V, maximum power density of 482 mW cm−2, and a low electrode polarization resistance of 0.11 Ωcm2 were achieved at 700 °C. The experimental results indicated that the layered perovskite GBCF is a good candidate for cathode material, while the developed Ni-BZCY7|BZCY7|GBCF cell is a promising functional material system for intermediate temperature solid oxide fuel cells." @default.
- W2023002505 created "2016-06-24" @default.
- W2023002505 creator A5056580903 @default.
- W2023002505 creator A5084307013 @default.
- W2023002505 date "2010-05-01" @default.
- W2023002505 modified "2023-10-18" @default.
- W2023002505 title "Novel layered perovskite GdBaCoFeO5+δ as a potential cathode for proton-conducting solid oxide fuel cells" @default.
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- W2023002505 doi "https://doi.org/10.1016/j.ijhydene.2010.02.027" @default.
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