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Article: Stable, easily sintered BaCe0.5Zr0.3y 0.16Zn0.04O3-δ electrolyte-based protonic ceramic membrane fuel cells with Ba0.5Sr0.5Zn 0.2Fe0.8O3-δ perovskite cathode

TitleStable, easily sintered BaCe0.5Zr0.3y 0.16Zn0.04O3-δ electrolyte-based protonic ceramic membrane fuel cells with Ba0.5Sr0.5Zn 0.2Fe0.8O3-δ perovskite cathode
Authors
KeywordsBa0.5Sr 0.5Zn0.2Fe0.8O3-Δ
Bace0.5Zr0.3Y 0.16Zn0.04O3-Δ
Pechini Method
Solid Oxide Fuel Cells
Zn Dopant
Issue Date2008
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsour
Citation
Journal of Power Sources, 2008, v. 183 n. 2, p. 479-484 How to Cite?
AbstractAstable, easily sintered perovskite oxide BaCe0.5Zr 0.3Ya0.16Zn0.04O3-δ (BCZYZn) as an electrolyte for protonic ceramic membrane fuel cells (PCMFCs) with Ba 0.5Sr0.5Zn0.2Fe0.8O 3-δ (BSZF) perovskite cathode was investigated. The BCZYZn perovskite electrolyte synthesized by a modified Pechini method exhibited higher sinterability and reached 97.4% relative density at 1200°C for 5 h in air, which is about 200°C lower than that without Zn dopant. By fabricating thin membrane BCZYZn electrolyte (about 30 μm in thickness) on NiO-BCZYZn anode support, PCMFCs were assembled and tested by selecting stable BSZF perovskite cathode. An open-circuit potential of 1.00 V, a maximum power density of 236 mWcm-2, and a low polarization resistance of the electrodes of 0.17 Ω cm2 were achieved at 700°C. This investigation indicated that proton conducting electrolyte BCZYZn with BSZF perovskite cathode is a promising material system for the next generation solid oxide fuel cells. © 2008 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90809
ISSN
2015 Impact Factor: 6.333
2015 SCImago Journal Rankings: 2.008
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China50572099
Chinese Research Foundation for the Doctors20040358025
Funding Information:

The authors gratefully acknowledge the support of this research by National Natural Science Foundation of China under contract No. 50572099, Chinese Research Foundation for the Doctors (20040358025).

References

 

DC FieldValueLanguage
dc.contributor.authorLin, Ben_HK
dc.contributor.authorHu, Men_HK
dc.contributor.authorMa, Jen_HK
dc.contributor.authorJiang, Yen_HK
dc.contributor.authorTao, Sen_HK
dc.contributor.authorMeng, Gen_HK
dc.date.accessioned2010-09-17T10:08:43Z-
dc.date.available2010-09-17T10:08:43Z-
dc.date.issued2008en_HK
dc.identifier.citationJournal of Power Sources, 2008, v. 183 n. 2, p. 479-484en_HK
dc.identifier.issn0378-7753en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90809-
dc.description.abstractAstable, easily sintered perovskite oxide BaCe0.5Zr 0.3Ya0.16Zn0.04O3-δ (BCZYZn) as an electrolyte for protonic ceramic membrane fuel cells (PCMFCs) with Ba 0.5Sr0.5Zn0.2Fe0.8O 3-δ (BSZF) perovskite cathode was investigated. The BCZYZn perovskite electrolyte synthesized by a modified Pechini method exhibited higher sinterability and reached 97.4% relative density at 1200°C for 5 h in air, which is about 200°C lower than that without Zn dopant. By fabricating thin membrane BCZYZn electrolyte (about 30 μm in thickness) on NiO-BCZYZn anode support, PCMFCs were assembled and tested by selecting stable BSZF perovskite cathode. An open-circuit potential of 1.00 V, a maximum power density of 236 mWcm-2, and a low polarization resistance of the electrodes of 0.17 Ω cm2 were achieved at 700°C. This investigation indicated that proton conducting electrolyte BCZYZn with BSZF perovskite cathode is a promising material system for the next generation solid oxide fuel cells. © 2008 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.subjectBa0.5Sr 0.5Zn0.2Fe0.8O3-Δen_HK
dc.subjectBace0.5Zr0.3Y 0.16Zn0.04O3-Δen_HK
dc.subjectPechini Methoden_HK
dc.subjectSolid Oxide Fuel Cellsen_HK
dc.subjectZn Dopanten_HK
dc.titleStable, easily sintered BaCe0.5Zr0.3y 0.16Zn0.04O3-δ electrolyte-based protonic ceramic membrane fuel cells with Ba0.5Sr0.5Zn 0.2Fe0.8O3-δ perovskite cathodeen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jpowsour.2008.05.075en_HK
dc.identifier.scopuseid_2-s2.0-48249155105en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-48249155105&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume183en_HK
dc.identifier.issue2en_HK
dc.identifier.spage479en_HK
dc.identifier.epage484en_HK
dc.identifier.isiWOS:000259716600005-

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