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Article: Novel layered perovskite oxide PrBaCuCoO5+δ as a potential cathode for intermediate-temperature solid oxide fuel cells
| Title | Novel layered perovskite oxide PrBaCuCoO5+δ as a potential cathode for intermediate-temperature solid oxide fuel cells | ||||||
|---|---|---|---|---|---|---|---|
| Authors | |||||||
| Keywords | Cathode Electrochemical Performance Thermal Expansion Coefficient | ||||||
| Issue Date | 2010 | ||||||
| Publisher | Elsevier 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? | ||||||
| Abstract | A 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 Identifier | http://hdl.handle.net/10722/90887 | ||||||
| ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 1.857 | ||||||
| ISI Accession Number ID |
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 Field | Value | Language |
|---|---|---|
| dc.contributor.author | Zhao, L | en_HK |
| dc.contributor.author | Nian, Q | en_HK |
| dc.contributor.author | He, B | en_HK |
| dc.contributor.author | Lin, B | en_HK |
| dc.contributor.author | Ding, H | en_HK |
| dc.contributor.author | Wang, S | en_HK |
| dc.contributor.author | Peng, R | en_HK |
| dc.contributor.author | Meng, G | en_HK |
| dc.contributor.author | Liu, X | en_HK |
| dc.date.accessioned | 2010-09-17T10:09:52Z | - |
| dc.date.available | 2010-09-17T10:09:52Z | - |
| dc.date.issued | 2010 | en_HK |
| dc.identifier.citation | Journal of Power Sources, 2010, v. 195 n. 2, p. 453-456 | en_HK |
| dc.identifier.issn | 0378-7753 | en_HK |
| dc.identifier.uri | http://hdl.handle.net/10722/90887 | - |
| dc.description.abstract | A 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.language | eng | en_HK |
| dc.publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsour | en_HK |
| dc.relation.ispartof | Journal of Power Sources | en_HK |
| dc.subject | Cathode | en_HK |
| dc.subject | Electrochemical Performance | en_HK |
| dc.subject | Thermal Expansion Coefficient | en_HK |
| dc.title | Novel layered perovskite oxide PrBaCuCoO5+δ as a potential cathode for intermediate-temperature solid oxide fuel cells | en_HK |
| dc.type | Article | en_HK |
| dc.identifier.email | Lin, B:blin@hku.hk | en_HK |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1016/j.jpowsour.2009.08.009 | en_HK |
| dc.identifier.scopus | eid_2-s2.0-70349180141 | en_HK |
| dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-70349180141&selection=ref&src=s&origin=recordpage | en_HK |
| dc.identifier.volume | 195 | en_HK |
| dc.identifier.issue | 2 | en_HK |
| dc.identifier.spage | 453 | en_HK |
| dc.identifier.epage | 456 | en_HK |
| dc.identifier.isi | WOS:000272883300008 | - |
| dc.identifier.issnl | 0378-7753 | - |