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Nanocomposites for Advanced Fuel Cell Technology
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2011 (English)In: Journal of Nanoscience and Nanotechnology, ISSN 1533-4880, Vol. 11, no 10, 8873-8879 p.Article in journal (Refereed) Published
Abstract [en]

NANOCOFC (Nanocomposites for advanced fuel cell technology) is a research platform/network established based on the FP6 EC-China project www.nanocofc.org. This paper reviews major achievements on two-phase nanocomposites for advanced low temperature (300-600 degrees C) solid oxide fuel cells (SOFCs), where the ceria-salt and ceria-oxide composites are common. A typical functional nanocomposite structure is a core-shell type, in which the ceria forms a core and the salt or another oxide form the shell layer. Both of them are in the nano-scale and the functional components. The high resolution TEM analysis has proven a clear interface in the ceria-based two-phase nanocomposites. such interface and interfacial function has resulted in superionic conductivity, above 0.1 S/cm at around 300 degrees C, being comparable to that of conventional SOFC YSZ at 1000 degrees C. Against conventional material design from the structure the advanced nanocomposites are designed by non-structure factors, i.e., the interfaces, and by creating interfacial functionalities between the two constituent phases. These new functional materials show indeed a breakthrough in the SOFC materials with great potential.

Place, publisher, year, edition, pages
2011. Vol. 11, no 10, 8873-8879 p.
Keyword [en]
Nanocomposites, Two-Phase, Superionic Conduction, Interface
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-75558DOI: 10.1166/jnn.2011.3501ISI: 000298363900069Scopus ID: 2-s2.0-84857173878OAI: oai:DiVA.org:kth-75558DiVA: diva2:490596
Note
QC 20120206Available from: 2012-02-06 Created: 2012-02-06 Last updated: 2012-02-06Bibliographically approved

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