A single-step synthesized cobalt-free barium ferrites-based composite cathode for intermediate temperature solid oxide fuel cells

Niu, Yingjie, Zhou, Wei, Sunarso, Jaka, Liang, Fengli, Zhu, Zhonghua and Shao, Zongping 2011, A single-step synthesized cobalt-free barium ferrites-based composite cathode for intermediate temperature solid oxide fuel cells, Electrochemistry Communications, vol. 13, no. 12, pp. 1340-1343.

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Title A single-step synthesized cobalt-free barium ferrites-based composite cathode for intermediate temperature solid oxide fuel cells
Author(s) Niu, Yingjie
Zhou, Wei
Sunarso, Jaka
Liang, Fengli
Zhu, Zhonghua
Shao, Zongping
Journal name Electrochemistry Communications
Volume number 13
Issue number 12
Start page 1340
End page 1343
Total pages 4
Publisher Elsevier Inc
Place of publication Amsterdam, The Netherlands
Publication date 2011-12
ISSN 1388-2481
1873-1902
Keyword(s) cobalt-free
composite cathode
electrochemical impedance spectroscopy
solid oxide fuel cells
Summary Cobalt-free perovskite cathode with excellent oxygen reduction reaction (ORR) properties below 800 °C is a key material toward wide implementation of intermediate-temperature solid oxide fuel cells. This work reports the phase structure, microstructure and performance of such cathode based on the composite phases of triclinic Ba0.9Bi0.1FeO3-δ, cubic BaFeO3 and orthorhombic BaFe2O4 prepared by sol–gel route. The resultant barium ferrites composite cathode exhibits uniform particles, pores and elements distribution. In particular, favorable ORR properties of this cathode is demonstrated by very low interfacial resistance of only 0.036 and 0.072 Ω cm2 at 750 and 700 °C and maximum power density of 1295 and 840 mW cm−2 at 750 and 700 °C.
Language eng
Field of Research 090499 Chemical Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044378

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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