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Article: BaZr0.1Ce0.7Y0.2O3-δ proton-conducting electrolyte prepared by gel-casting for low-temperature solid oxide fuel cells

TitleBaZr0.1Ce0.7Y0.2O3-δ proton-conducting electrolyte prepared by gel-casting for low-temperature solid oxide fuel cells
Authors
KeywordsBazr0.1Ce0.7Y0.2O3-Δ
Gel-Casting
Low-Temperature Solid Oxide Fuel Cells
Proton-Conducting Electrolyte
Solid-State Reaction
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcom
Citation
Journal of Alloys and Compounds, 2009, v. 474 n. 1-2, p. 364-369 How to Cite?
AbstractBaZr0.1Ce0.7Y0.2O3-δ (BZCY7) perovskite oxide was prepared by gel-casting and solid-state reaction techniques as proton-conducting electrolyte for low-temperature solid oxide fuel cells (LT-SOFCs). X-ray diffraction analysis indicated that the phase formation temperature of BZCY7 powder synthesized by gel-casting was 100-150 °C lower than that by solid-state reaction method. The BZCY7 electrolytes prepared by gel-casting exhibited better sintering activity and higher electrical conductivity. After sintering at 1550 °C for 5 h, the relative density and electrical conductivity of the gel-casting derived BZCY7 reached 95% and 5 × 10-3 S/cm in H2 (∼3% H2O) at 500 °C. However, for the solid-state reaction method, the sample had a relative density of 86% and electrical conductivity of 2 × 10-3 S/cm under the same condition. © 2008 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/91154
ISSN
2015 Impact Factor: 3.014
2015 SCImago Journal Rankings: 1.006
ISI Accession Number ID
Funding AgencyGrant Number
Chinese Natural Science Foundation50572099
50730002
Funding Information:

The authors would like to thank the financial support from Chinese Natural Science Foundation under contract No. 50572099 and No.50730002.

References

 

DC FieldValueLanguage
dc.contributor.authorDing, Hen_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorFang, Den_HK
dc.contributor.authorDong, Yen_HK
dc.contributor.authorWang, Sen_HK
dc.contributor.authorLiu, Xen_HK
dc.contributor.authorMeng, Gen_HK
dc.date.accessioned2010-09-17T10:13:50Z-
dc.date.available2010-09-17T10:13:50Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal of Alloys and Compounds, 2009, v. 474 n. 1-2, p. 364-369en_HK
dc.identifier.issn0925-8388en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91154-
dc.description.abstractBaZr0.1Ce0.7Y0.2O3-δ (BZCY7) perovskite oxide was prepared by gel-casting and solid-state reaction techniques as proton-conducting electrolyte for low-temperature solid oxide fuel cells (LT-SOFCs). X-ray diffraction analysis indicated that the phase formation temperature of BZCY7 powder synthesized by gel-casting was 100-150 °C lower than that by solid-state reaction method. The BZCY7 electrolytes prepared by gel-casting exhibited better sintering activity and higher electrical conductivity. After sintering at 1550 °C for 5 h, the relative density and electrical conductivity of the gel-casting derived BZCY7 reached 95% and 5 × 10-3 S/cm in H2 (∼3% H2O) at 500 °C. However, for the solid-state reaction method, the sample had a relative density of 86% and electrical conductivity of 2 × 10-3 S/cm under the same condition. © 2008 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcomen_HK
dc.relation.ispartofJournal of Alloys and Compoundsen_HK
dc.subjectBazr0.1Ce0.7Y0.2O3-Δen_HK
dc.subjectGel-Castingen_HK
dc.subjectLow-Temperature Solid Oxide Fuel Cellsen_HK
dc.subjectProton-Conducting Electrolyteen_HK
dc.subjectSolid-State Reactionen_HK
dc.titleBaZr0.1Ce0.7Y0.2O3-δ proton-conducting electrolyte prepared by gel-casting for low-temperature solid oxide fuel cellsen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jallcom.2008.06.106en_HK
dc.identifier.scopuseid_2-s2.0-61649106774en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-61649106774&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume474en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage364en_HK
dc.identifier.epage369en_HK
dc.identifier.isiWOS:000266952000078-

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