Show simple item record

dc.contributor.authorDarvish, S.
dc.contributor.authorWang, C.
dc.contributor.authorJiang, San Ping
dc.contributor.authorZhong, Y.
dc.date.accessioned2018-12-13T09:15:46Z
dc.date.available2018-12-13T09:15:46Z
dc.date.created2018-12-12T02:46:51Z
dc.date.issued2018
dc.identifier.citationDarvish, S. and Wang, C. and Jiang, S.P. and Zhong, Y. 2018. Thermodynamic stability mapping and electrochemical study of La1-xSrxCo0.2Fe0.8O3±δ (x=0.2–0.4) as a cathode of solid oxide fuel cells in the presence of SO2. Electrochimica Acta. 287: pp. 68-77.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/73197
dc.identifier.doi10.1016/j.electacta.2018.04.039
dc.description.abstract

© 2018 Thermodynamic predictions and electrochemical analysis of secondary phase formation in SO2containing atmosphere on the surface of La1-xSrxCo0.2Fe0.8O3±d(x = 0.2–0.4) electrodes of solid oxide fuel cells have been carried out utilizing the CALculation of Phase Diagram (CALPHAD) approach. Impacts of temperature, SO2partial pressure, O2partial pressure as well as the cathode composition on the formation of secondary phases have been investigated and correlated with the previous investigations in the literature. The results predict that SrSO4, CoFe2O4, La2O2SO4, and La2(SO4)3has the possibility to form on the surface and at the cathode/electrolyte interface as a result of SO2existence in the system. It is also investigated that degradation occurs more severe for La0.6Sr0.4Co0.2Fe0.8O3±d(LSCF-6428) comparing to LSCF-7328 and LSCF-8228, due to the formation of a higher amount of secondary phases, specifically SrSO4. The results demonstrate the effectiveness of the computational thermodynamic modeling in the prediction of interaction and performance stability of SOFC cathodes in the presence of contaminants.

dc.publisherPergamon
dc.relation.sponsoredbyhttp://purl.org/au-research/grants/arc/DP150102025
dc.relation.sponsoredbyhttp://purl.org/au-research/grants/arc/DP150102044
dc.titleThermodynamic stability mapping and electrochemical study of La1-xSrxCo0.2Fe0.8O3±δ (x=0.2–0.4) as a cathode of solid oxide fuel cells in the presence of SO2
dc.typeJournal Article
dcterms.source.volume287
dcterms.source.startPage68
dcterms.source.endPage77
dcterms.source.issn0013-4686
dcterms.source.titleElectrochimica Acta
curtin.departmentFuels and Energy Technology Institute
curtin.accessStatusFulltext not available


Files in this item

FilesSizeFormatView

There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record