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Article: Novel layered perovskite oxide PrBaCuCoO5+δ as a potential cathode for intermediate-temperature solid oxide fuel cells

TitleNovel layered perovskite oxide PrBaCuCoO5+δ as a potential cathode for intermediate-temperature solid oxide fuel cells
Authors
KeywordsCathode
Electrochemical Performance
Thermal Expansion Coefficient
Issue Date2010
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsour
Citation
Journal of Power Sources, 2010, v. 195 n. 2, p. 453-456 How to Cite?
AbstractA novel layered perovskite oxide PrBaCuCoO5+δ (PBCCO) is employed as a potential cathode for intermediate-temperature solid oxide fuel cells (IT-SOFCs). Thermal expansion and electrochemical performance on samarium-doped ceria (SDC) electrolyte are evaluated. The thermal expansion coefficient (TEC) of PrBaCuCoO5+δ (PBCCO) is close to that of SDC electrolyte and electrical conductivity of PrBaCuCoO5+δ (PBCCO) reaches the general required value of cathode material. Symmetrical electrochemical cell with the configuration of PrBaCuCoO5+δ (PBCCO)/SDC/PrBaCuCoO5+δ (PBCCO) applied for the impedance studies, the area specific resistance of PrBaCuCoO5+δ (PBCCO) cathode is as low as 0.047 Ω cm2 at 700 °C. A maximum power density of 791 mW cm-2 is obtained at 700 °C for the single cell consisting of PrBaCuCoO5+δ (PBCCO)/SDC/NiO-SDC. Preliminary results indicate that PrBaCuCoO5+δ (PBCCO) is especially promising as a cathode for IT-SOFCs. © 2009 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90887
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
50730002
National High-tech R& D Program of China2007AA05Z157
Funding Information:

The authors gratefully acknowledge the support of this research by National Natural Science Foundation of China under contract (No. 50572099 and No. 50730002) and National High-tech R& D Program of China (Grant No.: 2007AA05Z157).

References

 

DC FieldValueLanguage
dc.contributor.authorZhao, Len_HK
dc.contributor.authorNian, Qen_HK
dc.contributor.authorHe, Ben_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorDing, Hen_HK
dc.contributor.authorWang, Sen_HK
dc.contributor.authorPeng, Ren_HK
dc.contributor.authorMeng, Gen_HK
dc.contributor.authorLiu, Xen_HK
dc.date.accessioned2010-09-17T10:09:52Z-
dc.date.available2010-09-17T10:09:52Z-
dc.date.issued2010en_HK
dc.identifier.citationJournal of Power Sources, 2010, v. 195 n. 2, p. 453-456en_HK
dc.identifier.issn0378-7753en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90887-
dc.description.abstractA novel layered perovskite oxide PrBaCuCoO5+δ (PBCCO) is employed as a potential cathode for intermediate-temperature solid oxide fuel cells (IT-SOFCs). Thermal expansion and electrochemical performance on samarium-doped ceria (SDC) electrolyte are evaluated. The thermal expansion coefficient (TEC) of PrBaCuCoO5+δ (PBCCO) is close to that of SDC electrolyte and electrical conductivity of PrBaCuCoO5+δ (PBCCO) reaches the general required value of cathode material. Symmetrical electrochemical cell with the configuration of PrBaCuCoO5+δ (PBCCO)/SDC/PrBaCuCoO5+δ (PBCCO) applied for the impedance studies, the area specific resistance of PrBaCuCoO5+δ (PBCCO) cathode is as low as 0.047 Ω cm2 at 700 °C. A maximum power density of 791 mW cm-2 is obtained at 700 °C for the single cell consisting of PrBaCuCoO5+δ (PBCCO)/SDC/NiO-SDC. Preliminary results indicate that PrBaCuCoO5+δ (PBCCO) is especially promising as a cathode for IT-SOFCs. © 2009 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.subjectCathodeen_HK
dc.subjectElectrochemical Performanceen_HK
dc.subjectThermal Expansion Coefficienten_HK
dc.titleNovel layered perovskite oxide PrBaCuCoO5+δ as a potential cathode for intermediate-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.jpowsour.2009.08.009en_HK
dc.identifier.scopuseid_2-s2.0-70349180141en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70349180141&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume195en_HK
dc.identifier.issue2en_HK
dc.identifier.spage453en_HK
dc.identifier.epage456en_HK
dc.identifier.isiWOS:000272883300008-

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