Model for solid oxide fuel cell cathodes prepared by infiltration
Publication type: Journal Article
Publication date: 2017-03-01
scimago Q1
wos Q1
SJR: 1.106
CiteScore: 10.6
Impact factor: 5.6
ISSN: 00134686, 18733859
General Chemical Engineering
Electrochemistry
Abstract
A 1-dimensional model of a cathode has been developed in order to understand and predict the performance of cathodes prepared by infiltration of La0.6Sr0.4Co1.05O3-δ (LSC) into porous backbones of Ce0.9Gd0.1O1.95 (CGO). The model accounts for the mixed ionic and electronic conductivity of LSC, ionic conductivity of CGO, gas transport in the porous cathode, and the oxygen reduction reaction at the surface of percolated LSC. Geometrical variations are applied to reflect a changing microstructure of LSC under varying firing temperatures. Using microstructural parameters obtained from detailed scanning electron microscopy and simulations of the measured polarization resistances, an expression for the area specific resistance (rp) associated with the oxygen exchange on the surface of the infiltrated LSC particles was extracted and compared with literature values. A series of microstructural parameter variations are presented and discussed with the aim of presenting specific guidelines for optimizing the microstructure of cathodes prepared by infiltration.
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GOST
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Samson A. J. et al. Model for solid oxide fuel cell cathodes prepared by infiltration // Electrochimica Acta. 2017. Vol. 229. pp. 73-95.
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Samson A. J., Søgaard M., Hendriksen P. V. Model for solid oxide fuel cell cathodes prepared by infiltration // Electrochimica Acta. 2017. Vol. 229. pp. 73-95.
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TY - JOUR
DO - 10.1016/j.electacta.2017.01.088
UR - https://doi.org/10.1016/j.electacta.2017.01.088
TI - Model for solid oxide fuel cell cathodes prepared by infiltration
T2 - Electrochimica Acta
AU - Samson, Alfred Junio
AU - Søgaard, Martin
AU - Hendriksen, Peter Vang
PY - 2017
DA - 2017/03/01
PB - Elsevier
SP - 73-95
VL - 229
SN - 0013-4686
SN - 1873-3859
ER -
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@article{2017_Samson,
author = {Alfred Junio Samson and Martin Søgaard and Peter Vang Hendriksen},
title = {Model for solid oxide fuel cell cathodes prepared by infiltration},
journal = {Electrochimica Acta},
year = {2017},
volume = {229},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.electacta.2017.01.088},
pages = {73--95},
doi = {10.1016/j.electacta.2017.01.088}
}