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@ARTICLE{Jeong:857998,
author = {Jeong, Hyeondeok and Geis, Michael and Lenser, Christian
and Lobe, Sandra and Herrmann, Stephan and Fendt, Sebastian
and Menzler, Norbert H. and Guillon, Olivier},
title = {{C}oupling {SOFC}s to biomass gasification – {T}he
influence of phenol on cell degradation in simulated
bio-syngas. {P}art {II} – {P}ost-test analysis},
journal = {International journal of hydrogen energy},
volume = {43},
number = {45},
issn = {0360-3199},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2018-06945},
pages = {20911 - 20920},
year = {2018},
abstract = {Anode-supported solid oxide fuel cells (SOFCs) with a
state-of-the-art Ni/YSZ anode have been tested in simulated
bio-syngas with controlled addition of phenol as a model
molecule to study the influence of tars on the degradation
of SOFCs operated with gasified biomass. The post-test
analysis results of SOFCs are described after operation with
different concentrations of phenol. The tests with pure
syngas and up to 2 g/Nm3 of phenol show a relatively stable
performance in a short-term period of 500 h, but the test
with 8 g/Nm3 phenol shows drastic degradation. The
microstructural changes of anode and support layers, phase
changes, and carbon deposition were analyzed and discussed
based on performance degradation and post-test analysis. No
structural changes were found after tests with pure syngas.
On the other hand, the addition of phenol causes macro- and
micro-scale structural changes in the support, spreading
from the fuel inlet. The support shows an erosion pattern
and both Ni and YSZ were found as dust after the test. In
these eroded areas, carbon fibers were observed by SEM and
it was more pronounced with higher phenol content. There was
no material phase transformation related to syngas or
phenol, but surface carbon deposition was confirmed by Raman
spectroscopy in the support and anode layers.},
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:000450539500058},
doi = {10.1016/j.ijhydene.2018.09.006},
url = {https://juser.fz-juelich.de/record/857998},
}