Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 31, Pages 8988-8993Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201604160
Keywords
Aurivillius oxides; cathodes; electrochemistry; oxygen reduction reaction; solid oxide fuel cells
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Funding
- Key Projects in Nature Science Foundation of Jiangsu Province [BK2011030]
- National Nature Science Foundation of China [21576135]
- Major Project of Educational Commission of Jiangsu Province of China [13KJA430004]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Changjiang Scholars Program [T2011170]
- CAS Interdisciplinary Innovation Team
- Program for Jiangsu Specially-Appointed Professors
- Youth Fund in Jiangsu Province [BK20150945]
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The Aurivillius oxide Bi2Sr2Nb2MnO12-delta (BSNM) was used as a cobalt-free cathode for intermediate-temperature solid oxide fuel cells (IT-SOFCs). To the best of our knowledge, the BSNM oxide is the only alkaline-earth-containing cathode material with complete CO2 tolerance that has been reported thus far. BSNM not only shows favorable activity in the oxygen reduction reaction (ORR) at intermediate temperatures but also exhibits a low thermal expansion coefficient, excellent structural stability, and good chemical compatibility with the electrolyte. These features highlight the potential of the new BSNM material as a highly promising cathode material for IT-SOFCs.
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