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Article: Thin yttria-stabilized zirconia electrolyte and transition layers fabricated by particle suspension spray

TitleThin yttria-stabilized zirconia electrolyte and transition layers fabricated by particle suspension spray
Authors
KeywordsDense Ysz Electrolyte
Sofcs
Suspension Spray
Transition Anode Layer
Issue Date2007
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsour
Citation
Journal of Power Sources, 2007, v. 164 n. 2, p. 567-571 How to Cite?
AbstractIn order to develop high performance intermediate temperature (<800 °C) solid oxide fuel cells (SOFCs) with a lower fabrication cost, a pressurized spray process of ceramic suspensions has been established to prepare both dense yttria-stabilized zirconia (YSZ) electrolyte membranes and transition anode layers on NiO + YSZ anode supports. A single cell with 10 μm thick YSZ electrolyte on a porous anode support and ∼20 μm thick cathode layer showed peak power densities of only 212 mW cm-2 at 700 °C and 407 mW cm-2 for 800 °C. While a cell with 10 μm thick YSZ electrolyte and a transition layer on the porous anode support using a ultra-fine NiO + YSZ powder showed peak power densities of 346 and 837 mW cm-2 at 700 and 800 °C, respectively. The dramatic improvement of cell performance was attributed to the much improved anode microstructure that was confirmed by both scanning electron microscopes (SEM) observation and impedance spectroscopy. The results have demonstrated that a pressurized spray coating is a suitable technique to fabricate high performance SOFCs and at lower cost. © 2006 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90898
ISSN
2015 Impact Factor: 6.333
2015 SCImago Journal Rankings: 2.008
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYan, Ren_HK
dc.contributor.authorDing, Den_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorLiu, Men_HK
dc.contributor.authorMeng, Gen_HK
dc.contributor.authorLiu, Xen_HK
dc.date.accessioned2010-09-17T10:10:02Z-
dc.date.available2010-09-17T10:10:02Z-
dc.date.issued2007en_HK
dc.identifier.citationJournal of Power Sources, 2007, v. 164 n. 2, p. 567-571en_HK
dc.identifier.issn0378-7753en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90898-
dc.description.abstractIn order to develop high performance intermediate temperature (<800 °C) solid oxide fuel cells (SOFCs) with a lower fabrication cost, a pressurized spray process of ceramic suspensions has been established to prepare both dense yttria-stabilized zirconia (YSZ) electrolyte membranes and transition anode layers on NiO + YSZ anode supports. A single cell with 10 μm thick YSZ electrolyte on a porous anode support and ∼20 μm thick cathode layer showed peak power densities of only 212 mW cm-2 at 700 °C and 407 mW cm-2 for 800 °C. While a cell with 10 μm thick YSZ electrolyte and a transition layer on the porous anode support using a ultra-fine NiO + YSZ powder showed peak power densities of 346 and 837 mW cm-2 at 700 and 800 °C, respectively. The dramatic improvement of cell performance was attributed to the much improved anode microstructure that was confirmed by both scanning electron microscopes (SEM) observation and impedance spectroscopy. The results have demonstrated that a pressurized spray coating is a suitable technique to fabricate high performance SOFCs and at lower cost. © 2006 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsouren_HK
dc.relation.ispartofJournal of Power Sourcesen_HK
dc.subjectDense Ysz Electrolyteen_HK
dc.subjectSofcsen_HK
dc.subjectSuspension Sprayen_HK
dc.subjectTransition Anode Layeren_HK
dc.titleThin yttria-stabilized zirconia electrolyte and transition layers fabricated by particle suspension sprayen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jpowsour.2006.11.060en_HK
dc.identifier.scopuseid_2-s2.0-33846205240en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33846205240&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume164en_HK
dc.identifier.issue2en_HK
dc.identifier.spage567en_HK
dc.identifier.epage571en_HK
dc.identifier.isiWOS:000244359500020-

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