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Introduction of Sulfate to Stabilize the n = 3 Ruddlesden-Popper System Sr4Fe3O10-δ, as a Potential SOFC Cathode Introduction of Sulfate to Stabilize the n = 3 Ruddlesden-Popper System Sr4Fe3O10-¿, as a Potential SOFC Cathode

AuthorsJarvis, Abbey; Berry, F. J.; Marco, José F.; Slater, P. R.
Issue Date2019
PublisherElectrochemical Society
CitationECS Transactions 91: 1467-1476 (2019)
AbstractIn this paper we report the successful incorporation of sulfate into the triple layer (n = 3) Ruddlesden-Popper system Sr4Fe3O10-¿, with characterisation of these materials by X-ray diffraction, Mössbauer spectroscopy, and conductivity measurements. Significantly, the incorporation of SO42- into the middle perovskite layer leads to the stabilization of this Ruddlesden-Popper phase, which cannot be prepared without sulfate doping, thus highlighting the potential of oxyanion doping as a strategy to synthesise new phases of interest for solid oxide fuel cells.
Description10 pags., 8 figs., 2 tabs.
Publisher version (URL)http://dx.doi.org/10.1149/09101.1467ecst
Identifiersdoi: 10.1149/09101.1467ecst
issn: 1938-5862
Appears in Collections:(IQFR) Artículos
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