Infiltration of ionic-, electronic- and mixed-conducting nano particles into La0.75Sr0.25MnO3–Y0.16Zr0.84O2 cathodes – A comparative study of performance enhancement and stability at different temperatures
Publication type: Journal Article
Publication date: 2013-04-01
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
The microstructure and electrochemical performance of LSM–YSZ composite electrodes infiltrated with La0.8Sr0.2MnO3−δ (LSM) as an electronic conductor, LaCo0.6Ni0.4O3−δ (LCN) as a mixed conductor and Ce0.8Gd0.2O2−δ (CGO) as an ionic conductor, were compared in the temperature range 550–800 °C. All three infiltrates resulted in improved electrochemical performance. Impedance analysis suggested dissociative adsorption and transfer of species to the triple phase boundary as the main mechanism responsible for the performance enhancement in all cases, attributed to the increase in surface area and triple phase boundary upon infiltration. LCN showed the most pronounced improvement at 550 °C, but its performance degraded drastically with increasing temperature. LSM and CGO infiltrated electrodes degraded less upon heating up to 800 °C. Infiltrated CGO electrodes showed the smallest degradation rate upon long term testing at 750 °C.
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Kiebach R. et al. Infiltration of ionic-, electronic- and mixed-conducting nano particles into La0.75Sr0.25MnO3–Y0.16Zr0.84O2 cathodes – A comparative study of performance enhancement and stability at different temperatures // Journal of Power Sources. 2013. Vol. 228. pp. 170-177.
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Kiebach R., Knöfel C., Bozza F., Klemensø T., Chatzichristodoulou C. Infiltration of ionic-, electronic- and mixed-conducting nano particles into La0.75Sr0.25MnO3–Y0.16Zr0.84O2 cathodes – A comparative study of performance enhancement and stability at different temperatures // Journal of Power Sources. 2013. Vol. 228. pp. 170-177.
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TY - JOUR
DO - 10.1016/j.jpowsour.2012.11.070
UR - https://doi.org/10.1016/j.jpowsour.2012.11.070
TI - Infiltration of ionic-, electronic- and mixed-conducting nano particles into La0.75Sr0.25MnO3–Y0.16Zr0.84O2 cathodes – A comparative study of performance enhancement and stability at different temperatures
T2 - Journal of Power Sources
AU - Kiebach, Ragnar
AU - Knöfel, Christina
AU - Bozza, Francesco
AU - Klemensø, Trine
AU - Chatzichristodoulou, Christodoulos
PY - 2013
DA - 2013/04/01
PB - Elsevier
SP - 170-177
VL - 228
SN - 0378-7753
SN - 1873-2755
ER -
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@article{2013_Kiebach,
author = {Ragnar Kiebach and Christina Knöfel and Francesco Bozza and Trine Klemensø and Christodoulos Chatzichristodoulou},
title = {Infiltration of ionic-, electronic- and mixed-conducting nano particles into La0.75Sr0.25MnO3–Y0.16Zr0.84O2 cathodes – A comparative study of performance enhancement and stability at different temperatures},
journal = {Journal of Power Sources},
year = {2013},
volume = {228},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.jpowsour.2012.11.070},
pages = {170--177},
doi = {10.1016/j.jpowsour.2012.11.070}
}