La0.6Sr0.4Co0.2Fe0.8O3-δ cathodes infiltrated with samarium-doped cerium oxide for solid oxide fuel cells
Publication type: Journal Article
Publication date: 2010-08-01
scimago Q1
wos Q1
SJR: 1.784
CiteScore: 14.9
Impact factor: 7.9
ISSN: 03787753, 18732755
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
Porous La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) cathodes are coated with a thin film of Sm0.2Ce0.8O1.95−δ (SDC) using a one-step infiltration process. Examination of the microstructures reveals that small SDC particles are formed on the surface of LSCF grains with a relatively narrow size distribution. Impedance analysis indicates that the SDC infiltration has dramatically reduced the polarization of LSCF cathode, reaching interfacial resistances of 0.074 and 0.44 Ω cm2 at 750 °C and 650 °C, respectively, which are about half of those for LSCF cathode without infiltration of SDC. The activation energies of the SDC infiltrated LSCF cathodes are in the range of 1.42–1.55 eV, slightly lower than those for a blank LSCF cathode. The SDC infiltrated LSCF cathodes have also shown improved stability under typical SOFC operating conditions, suggesting that SDC infiltration improves not only power output but also performance stability and operational life.
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Nie L. et al. La0.6Sr0.4Co0.2Fe0.8O3-δ cathodes infiltrated with samarium-doped cerium oxide for solid oxide fuel cells // Journal of Power Sources. 2010. Vol. 195. No. 15. pp. 4704-4708.
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Nie L., Liu M., Zhang Y., Liu M. La0.6Sr0.4Co0.2Fe0.8O3-δ cathodes infiltrated with samarium-doped cerium oxide for solid oxide fuel cells // Journal of Power Sources. 2010. Vol. 195. No. 15. pp. 4704-4708.
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TY - JOUR
DO - 10.1016/j.jpowsour.2010.02.049
UR - https://doi.org/10.1016/j.jpowsour.2010.02.049
TI - La0.6Sr0.4Co0.2Fe0.8O3-δ cathodes infiltrated with samarium-doped cerium oxide for solid oxide fuel cells
T2 - Journal of Power Sources
AU - Nie, Lifang
AU - Liu, Mingfei
AU - Zhang, Yujun
AU - Liu, Meilin
PY - 2010
DA - 2010/08/01
PB - Elsevier
SP - 4704-4708
IS - 15
VL - 195
SN - 0378-7753
SN - 1873-2755
ER -
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@article{2010_Nie,
author = {Lifang Nie and Mingfei Liu and Yujun Zhang and Meilin Liu},
title = {La0.6Sr0.4Co0.2Fe0.8O3-δ cathodes infiltrated with samarium-doped cerium oxide for solid oxide fuel cells},
journal = {Journal of Power Sources},
year = {2010},
volume = {195},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.jpowsour.2010.02.049},
number = {15},
pages = {4704--4708},
doi = {10.1016/j.jpowsour.2010.02.049}
}
Cite this
MLA
Copy
Nie, Lifang, et al. “La0.6Sr0.4Co0.2Fe0.8O3-δ cathodes infiltrated with samarium-doped cerium oxide for solid oxide fuel cells.” Journal of Power Sources, vol. 195, no. 15, Aug. 2010, pp. 4704-4708. https://doi.org/10.1016/j.jpowsour.2010.02.049.