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Composite cathodes composed of NdBa0.5Sr0.5Co2O5+d and Ce0.9Gd0.1O1.95 for intermediate-temperature solid oxide fuel cells
- Authors
- 김지연; 서원용; 신지영; Meilin Liu; 김건태
- Issue Date
- Jan-2013
- Publisher
- Royal Society of Chemistry
- Citation
- Journal of Materials Chemistry A, v.1, no.3, pp 515 - 519
- Pages
- 5
- Journal Title
- Journal of Materials Chemistry A
- Volume
- 1
- Number
- 3
- Start Page
- 515
- End Page
- 519
- ISSN
- 2050-7488
2050-7496
- Abstract
- The electrochemical properties of a composite cathode composed of NdBa0.5Sr0.5Co2O5+δ (NBSCO) and Ce0.9Gd0.1O1.95 (GDC) are investigated for intermediate-temperature solid oxide fuel cells (IT-SOFCs). In particular, cells based on NBSCO–GDC composite cathodes demonstrated higher performance than those based on a NBSCO cathode, probably due to the extended triple phase boundary (TPB) length. The oxygen reduction mechanism on the NBSCO–GDC composite cathodes is proposed to explain the superior electrochemical behaviour.
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