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@ARTICLE{Ma:877394,
author = {Ma, Qianli and Dierickx, Sebastian and Vibhu, Vaibhav and
Sebold, Doris and de Haart, Lambertus G. J. and Weber,
André and Guillon, Olivier and Menzler, Norbert H.},
title = {{P}erformances of {S}olid {O}xide {C}ells with {L}a 0.97
{N}i 0.5 {C}o 0.5 {O} 3− δ as {A}ir-{E}lectrodes},
journal = {Journal of the Electrochemical Society},
volume = {167},
number = {8},
issn = {1945-7111},
address = {Bristol},
publisher = {IOP Publishing},
reportid = {FZJ-2020-02164},
pages = {084522 -},
year = {2020},
abstract = {Based on previous studies of perovskites in the
quasi-ternary system LaFeO3–LaCoO3–LaNiO3,
La0.97Ni0.5Co0.5O3 (LNC) ischosen as the most promising
air-electrode material in the series for solid oxide cells
(SOCs). The properties of the material itselfhave been
investigated in detail. However, the evaluation of LNC97 air
electrodes in practical SOCs is still at a very early stage.
Inthe present study, SOCs were prepared based on LNC97 air
electrodes. The I-U performance of the SOCs in both solid
oxide fuelcell (SOFC) and solid oxide electrolysis cell
(SOEC) modes, i.e. reversible SOCs (r-SOCs), was
investigated systematically fordifferent air-electrode
designs, temperatures and fuel gases. In general, the
performance of the r-SOCs tested in the present study
ishigher than the published results of other
LaFeO3–LaCoO3–LaNiO3-based SOCs and is comparable to or
even better than state-ofthe-art La1−xSrxFe1−yCoyO3
(LSCF)-based SOCs. Mid-term operation of about 1000 h for
SOCs in both SOFC and SOEC modesprimarily proved the
stability of LNC97-based air electrodes. Impedance spectra
were systematically applied to understand thepolarization
processes of the SOCs.},
cin = {IEK-1},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013},
pnm = {135 - Fuel Cells (POF3-135) / SOFC - Solid Oxide Fuel Cell
(SOFC-20140602)},
pid = {G:(DE-HGF)POF3-135 / G:(DE-Juel1)SOFC-20140602},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000537492800001},
doi = {10.1149/1945-7111/ab91cc},
url = {https://juser.fz-juelich.de/record/877394},
}