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Theoretical approach on ceria-based two-phase electrolytes for low temperature (300-600 degrees C) solid oxide fuel cells
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology.
2008 (English)In: Electrochemistry communications, ISSN 1388-2481, E-ISSN 1873-1902, Vol. 10, no 2, 302-305 p.Article in journal (Refereed) Published
Abstract [en]

Recently, extensive studies on the ceria-based two-phase composites as functional electrolytes have created excellent 300-600 degrees C fuel cell technology. There is an emergence need to deepen the knowledge and to develop theoretical methodologies in this field. The feasibility to design and develop two-phase materials as superionic conductors for 300-600 degrees C solid oxide fuel cells (LTSOFCs) is reported. The superionic conductivity at 300-600 degrees C in two-phase materials where the interfaces between the constituent phases are constructed as "superionic highways" resulting in interfacial high ionic conduction. The material architecture and design presented in this report thus reaches beyond the conventional molecular way to synthesize new compounds.

Place, publisher, year, edition, pages
2008. Vol. 10, no 2, 302-305 p.
Keyword [en]
solid oxide fuel cell, low temperature (300-600 degrees C), single-phase materials, two-phase materials, composite electrolytes, interfaces, ion conductors, doped ceria, performance
URN: urn:nbn:se:kth:diva-17334DOI: 10.1016/j.elecom.2007.11.037ISI: 000253275700028ScopusID: 2-s2.0-38649106766OAI: diva2:335378
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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