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Flowerlike CeO2 microspheres coated with Sr2Fe1.5Mo0.5Ox nanoparticles for an advanced fuel cell
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
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2015 (English)In: Scientific Reports, ISSN 2045-2322, Vol. 5, 11946Article in journal (Refereed) Published
Abstract [en]

Flowerlike CeO2 coated with Sr(2)Fe(1.5)Mo(0.5)Ox (Sr-Fe-Mo-oxide) nanoparticles exhibits enhanced conductivity at low temperatures (300-600 degrees C), e.g. 0.12 S cm(-1) at 600 degrees C, this is comparable to pure ceria (0.1 S cm(-1) at 800 degrees C). 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 degrees C. The mechanism of enhanced conductivity and cell performance were analyzed. These results provide a promising strategy for developing advanced low-temperature SOFCs.

Place, publisher, year, edition, pages
2015. Vol. 5, 11946
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-171264DOI: 10.1038/srep11946ISI: 000357599200001PubMedID: 26154917ScopusID: 2-s2.0-84936951819OAI: diva2:843281

QC 20150728

Available from: 2015-07-28 Created: 2015-07-27 Last updated: 2015-07-28Bibliographically approved

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