期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 32, 页码 16214-16218出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm33311b
关键词
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资金
- China National Funds to Distinguished Young Scientists [51025209]
- Outstanding Young Scholar Grant at Jiangsu Province [2008023]
- Fok Ying Tung Education Grant [111073]
- Program for New Century Excellent Talents in Chinese Ministry of Education
- National Basic Research Program of China [2007CB209704]
- Australian Research Council (ARC) [DP1095089]
A 3D hierarchical porous ceramic electrode is fabricated directly from a carbon-oxides precursor by a general, cost-effective, and facile method. The oxygen reduction reaction activity of the electrode is significantly enhanced due to enlarged active areas and optimized gas transport channels. For the first time, this study demonstrates that a cobalt-free cathode is able to reach the target area specific resistance value of 0.15 Omega cm(2) at 600 degrees C. The new material has been successfully used as the cathode for a SOFC and shows high power generation ability below 600 degrees C.
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