Thermal stability of Ln2NiO4+δ (Ln: La, Pr, Nd) and their chemical compatibility with YSZ and CGO solid electrolytes
Alejandra Montenegro-Hernández
1, 2
,
Jesús Vega Castillo
1, 2
,
L. V. Mogni
1, 2
,
Alberto Caneiro
2, 3
1
Consejo Nacional de Investigaciones Científicas y Técnicas CONICET, Argentina
|
2
3
Consejo Nacional de Investigaciones Científicas y Técnicas CONICET,,Argentina
|
Publication type: Journal Article
Publication date: 2011-12-01
scimago Q1
wos Q1
SJR: 1.685
CiteScore: 13.3
Impact factor: 8.3
ISSN: 03603199, 18793487
Condensed Matter Physics
Energy Engineering and Power Technology
Fuel Technology
Renewable Energy, Sustainability and the Environment
Abstract
Thermal stability and chemical compatibility with electrolyte materials for Solid Oxide Fuel Cells (SOFC) have been studied on Ruddlesden-Popper nickelates Ln2NiO4+δ with Ln: La, Pr and Nd. Samples of each composition prepared by three different routes, were characterized by X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). Different microstructures were achieved by each preparation method. The thermal stability of these compounds was analyzed by annealing all the samples at 700 and 900 °C in air. Pr2NiO4+δ (PNO) decomposes after 24 h of annealing at 700 °C confirming its instability at these conditions. Evidences of chemical reaction between La2NiO4+δ (LNO) and both Ce0.9Gd0.1O1.96 (CGO) and Zr0.92Y0.08O1.96 (YSZ) were observed at 700 and 900 °C, respectively. No decomposition or chemical reaction with YSZ or CGO were found for Nd2NiO4+δ (NNO) below 900 °C. Nevertheless, reactivity with both electrolytes was found for this compound at 1000 °C. The kinetics of these reactions strongly depends on the microstructure of Ln2NiO4+δ.
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Montenegro-Hernández A. et al. Thermal stability of Ln2NiO4+δ (Ln: La, Pr, Nd) and their chemical compatibility with YSZ and CGO solid electrolytes // International Journal of Hydrogen Energy. 2011. Vol. 36. No. 24. pp. 15704-15714.
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Montenegro-Hernández A., Vega Castillo J., Mogni L. V., Caneiro A. Thermal stability of Ln2NiO4+δ (Ln: La, Pr, Nd) and their chemical compatibility with YSZ and CGO solid electrolytes // International Journal of Hydrogen Energy. 2011. Vol. 36. No. 24. pp. 15704-15714.
Cite this
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TY - JOUR
DO - 10.1016/j.ijhydene.2011.08.105
UR - https://doi.org/10.1016/j.ijhydene.2011.08.105
TI - Thermal stability of Ln2NiO4+δ (Ln: La, Pr, Nd) and their chemical compatibility with YSZ and CGO solid electrolytes
T2 - International Journal of Hydrogen Energy
AU - Montenegro-Hernández, Alejandra
AU - Vega Castillo, Jesús
AU - Mogni, L. V.
AU - Caneiro, Alberto
PY - 2011
DA - 2011/12/01
PB - Elsevier
SP - 15704-15714
IS - 24
VL - 36
SN - 0360-3199
SN - 1879-3487
ER -
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@article{2011_Montenegro-Hernández,
author = {Alejandra Montenegro-Hernández and Jesús Vega Castillo and L. V. Mogni and Alberto Caneiro},
title = {Thermal stability of Ln2NiO4+δ (Ln: La, Pr, Nd) and their chemical compatibility with YSZ and CGO solid electrolytes},
journal = {International Journal of Hydrogen Energy},
year = {2011},
volume = {36},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.ijhydene.2011.08.105},
number = {24},
pages = {15704--15714},
doi = {10.1016/j.ijhydene.2011.08.105}
}
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MLA
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Montenegro-Hernández, Alejandra, et al. “Thermal stability of Ln2NiO4+δ (Ln: La, Pr, Nd) and their chemical compatibility with YSZ and CGO solid electrolytes.” International Journal of Hydrogen Energy, vol. 36, no. 24, Dec. 2011, pp. 15704-15714. https://doi.org/10.1016/j.ijhydene.2011.08.105.