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- Title
Characterization of Ba<sub>0.5</sub>Sr<sub>0.5</sub>Co<sub>0.7</sub>In<sub>0.1</sub>Fe<sub>0.2</sub>O<sub>3−</sub><sub>δ</sub> as the Cathode Material for Proton-conducting SOFCs.
- Authors
Tao, Z.; Hou, G.; Zhang, Q.; Sang, S.; Xing, F.; Wang, B.
- Abstract
Ba0.5Sr0.5Co0.7In0.1Fe0.2O3−δ powders are successfully synthesized as the cathode materials for proton-conducting solid oxide fuel cells (SOFCs). The prepared cells consisting of the structure of a BaZr0.1Ce0.7Y0.2O3−δ (BZCY7)-NiO anode substrate, a BZCY7 electrolyte membrane and a cathode layer, are measured from 600 to 700 °C with humidified hydrogen (ca. 3% H2O) as the fuel. The electrochemical results show that the cell exhibits a high power density which could obtain an open-circuit potential of 0.986 V and a maximum power density of 400.84 mW cm−2 at 700 °C. The polarization resistance measured at the open-circuit condition is only 0.15 Ω cm2 at 700 °C.
- Subjects
CATHODES; SOLID oxide fuel cells; ACTIVATION energy; ELECTROCHEMICAL research; POLARIZATION (Electrochemistry)
- Publication
Fuel Cells, 2016, Vol 16, Issue 2, p263
- ISSN
1615-6846
- Publication type
Article
- DOI
10.1002/fuce.201500143