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Fabrication of electrolyte-free fuel cell with Mg0.4Zn0.6O/Ce0.8Sm0.2O2-delta-Li0.3Ni0.6Cu0.07Sr0.03O2-delta layer
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
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2014 (English)In: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 248, 577-581 p.Article in journal (Refereed) Published
Abstract [en]

Electrolyte-free fuel cell (EFFC) which holds the similar function with the traditional solid oxide fuel cell (SOFC) but possesses a completely different structure, has draw much attention during these years. Herein, we report a complex of MZSDC LNCS (Mg0.4Zn0.6O/Ce0.8Sm0.2O2-delta-Li0.3Ni0.6Cu0.07Sr0.03O2-delta) for EFFC that demonstrates a high electrochemical power output of about 600 mW cm(-2) at 630 degrees C. The co-doped MZSDC is synthesized by a co-precipitation method. Semiconductor material of LNCS is synthesized by direct solid state reaction. The microstructure and morphology of the composite materials are characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and energy-dispersive Xray spectrometer (EDS). The performance of the cell with a large size (6 x 6 cm(2)) is comparable or even better than that of the conventional solid oxide fuel cells with large sizes. The maximum power output of 9.28 W is obtained from the large-size cell at 600 degrees C. This paper develops a new functional nanocomposite for EFFC which is conducive to its commercial use.

Place, publisher, year, edition, pages
2014. Vol. 248, 577-581 p.
Keyword [en]
Electrolyte-free fuel cell, Samarium doped ceria, Co-doped, Engineering cell, Dry pressing, Power density
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-142494DOI: 10.1016/j.jpowsour.2013.09.095ISI: 000330551000074Scopus ID: 2-s2.0-84886563813OAI: oai:DiVA.org:kth-142494DiVA: diva2:703263
Funder
Swedish Research Council, 621-2011-4983EU, FP7, Seventh Framework Programme, 303454
Note

QC 20140306

Available from: 2014-03-06 Created: 2014-03-06 Last updated: 2017-06-13Bibliographically approved

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CiteExportLink to record
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