A robust symmetrical electrode with layered perovskite structure for direct hydrocarbon solid oxide fuel cells: PrBa0.8Ca0.2Mn2O5+delta 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Journal of Materials Chemistry, A. Materials for energy and sustainability
年/卷/期
2016 / 4 / 5
页码
1747-1753
ISSN号
2050-7488
作者单位
Ulsan Natl Inst Sci & Technol Ulsan, Dept Energy Engn, Ulsan 689798, South Korea;Ulsan Natl Inst Sci & Technol Ulsan, Dept Energy Engn, Ulsan 689798, South Korea;Ulsan Natl Inst Sci & Technol Ulsan, Dept Energy Engn, Ulsan 689798, South Korea;Kyushu Univ, Int Inst Carbon Neutral Energy Res, Fukuoka 8190395, Japan;UNIST, Cent Res Facil, Ulsan 689798, South Korea;Kyushu Univ, Int Inst Carbon Neutral Energy Res, Fukuoka 8190395, Japan;Ulsan Natl Inst Sci & Technol Ulsan, Dept Energy Engn, Ulsan 689798, South Korea;Dong Eui Univ, Dept Mech Engn, Busan 614714, South Korea;Ulsan Natl Inst Sci & Technol Ulsan, Dept Energy Engn, Ulsan 689798, South Korea;Ulsan Natl Inst Sci & Technol Ulsan, Dept Energy Engn, Ulsan 689798, South Korea;
作者
Park, S.;Ju, Y-W.;Kim, J.;Hyodo, J.;Jeong, H. Y.;Ishihara, T.;Kim, G.;Shin, J.;Choi, S.;Sengodan, S.;
摘要
Symmetrical solid oxide fuel cells (SOFCs), where the same material is used as both the anode and the cathode, have gained increasing attention due to a number of attractive benefits compared to the conventional SOFC such as a simplified fabrication procedure, reduced processing costs, minimized compatibility issues, as well as enhanced stability and reliability. Since the anode is in a reducing environment while the cathode is in an oxidizing environment, the symmetrical SOFC electrode should be chemically and structurally stable in both environments. Herein, we propose a highly stable symmetrical SOFC electrode, a layered perovskite Ca doped PrBaMn2O5+delta (PBCMO). The electrical conductivity of this electrode is very high in a reducing atmosphere and suitable in an oxidizing atmosphere. Furthermore, the PBCMO symmetrical electrode demonstrates excellent electrochemical performance and durability in various hydrocarbon fuels as well as hydrogen.
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