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La 0.3Sr 0.2Mn 0.1Zn 0.4 oxide-Sm 0.2Ce 0.8O 1.9 (LSMZ-SDC) nanocomposite cathode for low temperature SOFCs
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
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2012 (English)In: Journal of Nanoscience and Nanotechnology, ISSN 1533-4880, E-ISSN 1533-4899, Vol. 12, no 6, 4994-4997 p.Article in journal (Refereed) Published
Abstract [en]

Nanocomposite based cathode materials compatible for low temperature solid oxide fuel cells (LTSOFCs) are being developed. In pursuit of compatible cathode, this research aims to synthesis and investigation nanocomposite La 0.3Sr 0.2Mn 0.1Zn 0.4 oxide-Sm 0.2Ce 0.8O1.9 (LSMZ-SDC) based system. The material was synthesized through wet chemical method and investigated for oxideceria composite based electrolyte LTSOFCs. Electrical property was studied by AC electrochemical impedance spectroscopy (EIS). The microstructure, thermal properties, and elemental analysis of the samples were characterized by TGA/DSC, XRD, SEM, respectively. The AC conductivity of cathode was obtained for 2.4 Scm ?1 at 550 °C in air. This cathode is compatible with ceria-based composite electrolytes and has improved the stability of the material in SOFC cathode environment.

Place, publisher, year, edition, pages
2012. Vol. 12, no 6, 4994-4997 p.
Keyword [en]
Conductivity, Electrochemical Impedance Spectroscopy (EIS), Interfaces, LSMZ-SDC, Nanocomposite Cathode
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-100315DOI: 10.1166/jnn.2012.4938ISI: 000306861000083Scopus ID: 2-s2.0-84863954525OAI: oai:DiVA.org:kth-100315DiVA: diva2:543444
Funder
Vinnova
Note

QC 20120808

Available from: 2012-08-08 Created: 2012-08-06 Last updated: 2017-12-07Bibliographically approved

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