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@ARTICLE{Thaler:864177,
author = {Thaler, Florian and Udomsilp, David and Schafbauer,
Wolfgang and Bischof, Cornelia and Fukuyama, Yosuke and
Miura, Yohei and Kawabuchi, Mari and Taniguchi, Shunsuke and
Takemiya, Satoshi and Nenning, Andreas and Opitz, Alexander
K. and Bram, Martin},
title = {{R}edox stability of metal-supported fuel cells with
nickel/gadolinium-doped ceria anode},
journal = {Journal of power sources},
volume = {434},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2019-04042},
pages = {226751, 9 pages},
year = {2019},
abstract = {Metal-supported fuel cells (MSCs) are promising candidates
for not only stationary but also mobile applications. Their
appeal is in their potential to withstand reoxidation of the
anode, which might occur by an interruption of the fuel
supply or an emergency shutdown of the fuel cell system. A
novel nickel/gadolinium-doped ceria anode (Ni/GDC) was
recently introduced in a MSC concept of Plansee, almost
doubling power density compared to cells with a
nickel/yttria-doped zirconia (Ni/YSZ) anode. In this study,
both cell concepts are compared concerning their ability to
tolerate harsh redox cycles. Therefore, controlled redox
cycles of the anodes were conducted at different
temperatures. The response of the cell’s power output to
the redox cycling experiments was continuously recorded. In
the case of MSCs with a Ni/YSZ anode, strong degradation
occurs after redox cycling. In contrast, cells with a Ni/GDC
anode exhibit significantly improved redox tolerance and
cell performance improves with the number of redox cycles.
For understanding this behavior, microstructural
investigations of the Ni/GDC anode and the adjacent
electrolyte were performed by FIB-SEM. The long-term redox
behavior of MSCs with a Ni/GDC anode was also investigated
by conducting more comprehensive redox cycles at 400 °C,
500 °C, and 600 °C.},
cin = {IEK-1},
ddc = {620},
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:000480664400015},
doi = {10.1016/j.jpowsour.2019.226751},
url = {https://juser.fz-juelich.de/record/864177},
}