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dc.contributor.authorHossain, Shahzad
dc.contributor.authorAbdalla, Abdalla M.
dc.contributor.authorRadenahmad, Nikdalila
dc.contributor.authorZakaria, A. K. M.
dc.contributor.authorZaini, Juliana H.
dc.contributor.authorRahman, S. M. Habibur
dc.contributor.authorEriksson, Sten G.
dc.contributor.authorIrvine, John T. S.
dc.contributor.authorAzad, Abul K.
dc.identifier.citationHossain , S , Abdalla , A M , Radenahmad , N , Zakaria , A K M , Zaini , J H , Rahman , S M H , Eriksson , S G , Irvine , J T S & Azad , A K 2018 , ' Highly dense and chemically stable proton conducting electrolyte sintered at 1200 °C ' , International Journal of Hydrogen Energy , vol. 43 , no. 2 , pp. 894-907 .
dc.identifier.otherPURE: 251734221
dc.identifier.otherPURE UUID: c91f5a98-e737-41d0-9e07-6344d29e491d
dc.identifier.otherRIS: urn:C8CCFF1C4695EDFD518C017E71646F29
dc.identifier.otherScopus: 85040103794
dc.identifier.otherWOS: 000424309800034
dc.identifier.otherORCID: /0000-0002-8394-3359/work/68280685
dc.descriptionThe authors S. Hossain and A. M. Abdalla are grateful to the graduate studies office of Universiti Brunei Darussalam for graduate research scholarship (GRS) for funding this research. The authors are thankful to Professor John T. S. Irvine for managing a visiting scholarship for SH and AMA at Center for Advanced Materials at School of Chemistry in University of St Andrews, UK for the research works done.en
dc.description.abstractThe BaCe0.7Zr0.1Y0.2−xZnxO3−δ (x = 0.05, 0.10, 0.15, 0.20) has been synthesized by the conventional solid state reaction method for application in protonic solid oxide fuel cell. The phase purity and lattice parameters of the materials have been studied by the room temperature X-ray diffraction (XRD). Scanning electron microscopy (SEM) has been done for check the morphology and grain growth of the samples. The chemical and mechanical stabilities have been done using thermogravimetric analysis (TGA) in pure CO2 environment and thermomechanical analysis (TMA) in Argon atmosphere. The XRD of the materials show the orthorhombic crystal symmetry with Pbnm space group. The SEM images of the pellets show that the samples sintered at 1200 °C are highly dense. The XRD after TGA in CO2 and thermal expansion measurements confirm the stability. The particles of the samples are in micrometer ranges and increasing Zn content decreases the size. The conductivity measurements have been done in 5% H2 with Ar in dry and wet atmospheres. All the materials show high proton conductivity in the intermediate temperature range (400–700 °C). The maximum proton conductivity was found to be 1.0 × 10−2 S cm−1 at 700 °C in wet atmosphere for x = 0.10. From our study, 10 wt % of Zn seems to be optimum at the B-site of the perovskite structure. All the properties studied here suggest it can be a promising candidate of electrolyte for IT-SOFCs.
dc.relation.ispartofInternational Journal of Hydrogen Energyen
dc.rights© 2017 Elsevier Ltd. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectProton conductoren
dc.subjectRietveld refinementen
dc.subjectChemical stabilityen
dc.subjectImpedance analysisen
dc.subjectQD Chemistryen
dc.titleHighly dense and chemically stable proton conducting electrolyte sintered at 1200 °Cen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. EaSTCHEMen
dc.description.statusPeer revieweden

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