Characterization of GdBaCo2O5+delta cathode for IT-SOFCs
文献类型：期刊论文
| 作者 | N. Li ; Z. Lu ; B. O. Wei ; X. Q. Huang ; K. F. Chen ; Y. Z. Zhang ; W. H. Su |
| 刊名 | Journal of Alloys and Compounds
 |
| 出版日期 | 2008 |
| 卷号 | 454期号:1-2页码:274-279 |
| 关键词 | intermediate-temperature SOFCs mixed ionic-electronic conductor cathode GdBaCo2O5+delta oxide fuel-cells lanthanum gallate electrolyte electrical-properties composite cathodes temperature sofcs oxygen-transport performance sm0.5sr0.5coo3 ceramics kinetics |
| ISSN号 | 0925-8388 |
| 中文摘要 | The mixed conductor GdBaCo2O5+delta (GBCO) was studied as a promising cathode candidate for IT-SOFCs. It exhibited good chemical compatibility with Sm0.2Ce0.8O1.9 (samaria-doped ceria, SDC) electrolyte as proved by XRD results. Its conductivity was about 512-290 S cm(-1) in the temperature range 500-800 degrees C. The thermal expansion coefficient (TEC) was about 20.1 x 10(-6) K-1 between 30 degrees C and 900 degrees C in air, which was similar to other cobaltite perovskite cathodes. The sintering temperature had a strong effect on the electrochemical properties of GBCO. DC polarization and ac impedance spectroscopy results confirmed that 1050 degrees C was the optimum sintering temperature. Polarization resistance values for the GBCO cathode on SDC electrolyte were 0.15 Omega cm(2) at 750 degrees C and 1.11 Omega cm(2) at 600 degrees C, respectively. (c) 2007 Published by Elsevier B.V. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/32882]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | N. Li,Z. Lu,B. O. Wei,et al. Characterization of GdBaCo2O5+delta cathode for IT-SOFCs[J]. Journal of Alloys and Compounds,2008,454(1-2):274-279. |
| APA | N. Li.,Z. Lu.,B. O. Wei.,X. Q. Huang.,K. F. Chen.,...&W. H. Su.(2008).Characterization of GdBaCo2O5+delta cathode for IT-SOFCs.Journal of Alloys and Compounds,454(1-2),274-279. |
| MLA | N. Li,et al."Characterization of GdBaCo2O5+delta cathode for IT-SOFCs".Journal of Alloys and Compounds 454.1-2(2008):274-279. |
入库方式： OAI收割
来源：金属研究所
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