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Dense and translucent BaZrxCe0.8-xY0.2O3-delta (x=0.5, 0.6, 0.7) proton conductors prepared by spark plasma sintering
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.ORCID iD: 0000-0001-5258-099X
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Shanghai Institute of Technology, China.ORCID iD: 0000-0003-3060-9987
2015 (English)In: Scripta Materialia, ISSN 1359-6462, E-ISSN 1872-8456, Vol. 107, 145-148 p.Article in journal (Refereed) Published
Abstract [en]

Dense and translucent BaZrxCe0.8-xY0.2O3-delta (x = 0.5, 0.6, 0.7) proton conductors were firstly and successfully prepared by Spark Plasma Sintering (SPS) at a temperature of 1350 degrees C without sintering aids' addition. XRD, SEM and EDS were applied to determine the phase purity, morphology and element composition of prepared pellets, respectively. Moreover, the sintering behaviors of these proton conductors were monitored and analyzed through the on-line sintering curves. The obtained results indicate that a lowered sintering temperature (<1400 degrees C) and a fast cooling rate (>= 200 degrees C/min) represent two key parameters to prepare dense Ce-containing BaZrO3-BaCeO3 based proton conductors.

Place, publisher, year, edition, pages
2015. Vol. 107, 145-148 p.
Keyword [en]
Spark plasma sintering, Fuel cell materials, Solid electrolytes, Ionic conductors, Solid oxide fuel cells
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-173129DOI: 10.1016/j.scriptamat.2015.06.006ISI: 000358806400036Scopus ID: 2-s2.0-84937525399OAI: oai:DiVA.org:kth-173129DiVA: diva2:855068
Note

QC 20150918

Available from: 2015-09-18 Created: 2015-09-07 Last updated: 2017-12-04Bibliographically approved

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Bu, JunfuZhao, Zhe

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