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Nature Research, Scientific Reports, 1(5), 2015

DOI: 10.1038/srep11946

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Flowerlike CeO2 microspheres coated with Sr2Fe1.5Mo0.5Ox nanoparticles for an advanced fuel cell

Journal article published in 2015 by Yanyan Liu, Zhaohui, Yongfu Tang, Zhaohui Ma ORCID, Manish Singh, Yunjuan He, Wenjing Dong, Chunwen Sun, Bin Zhu
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractFlowerlike CeO2 coated with Sr2Fe1.5Mo0.5Ox (Sr-Fe-Mo-oxide) nanoparticles exhibits enhanced conductivity at low temperatures (300–600 oC), e.g. 0.12 S cm−1 at 600 oC, this is comparable to pure ceria (0.1 S cm−1 at 800 oC). Advanced single layer fuel cell was constructed using the flowerlike CeO2/Sr-Fe-Mo-oxide layer attached to a Ni-foam layer coated with the conducting transition metal oxide. Such fuel cell has yielded a peak power density of 802 mWcm−2 at 550 oC. The mechanism of enhanced conductivity and cell performance were analyzed. These results provide a promising strategy for developing advanced low-temperature SOFCs.