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@ARTICLE{Forster:817669,
author = {Forster, Emanuel and Holt van, D. and Ivanova, Mariya and
Baumann, Stefan and Meulenberg, Wilhelm Albert and Müller,
Michael},
title = {{S}tability of {C}eramic {M}aterials for {H}$_{2}$
{T}ransport {M}embranes in {G}asification {E}nvironment
{U}nder the {I}nfluence of {G}as {C}ontaminants},
journal = {Journal of the European Ceramic Society},
volume = {36},
number = {14},
issn = {0955-2219},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2016-04337},
pages = {3457–3464},
year = {2016},
abstract = {Mixed protonic-electronic conducting membrane materials
offer an alternative method for separating hydrogen from
carbon dioxide after the water-gas shift reaction. However,
the membrane materials need to be tested for thermochemical
stability at challenging operating conditions.
BaCe0.5Zr0.4Y0.1O3 − δ, BaCe0.2Zr0.7Yb0.08Ni0.02O3 −
δ, and La5.5WO12 − δ were exposed to gas atmospheres
containing contaminants like H2S, HCl, KCl, KOH, NaCl, and
NaOH. The gas composition of the carrier gas flow simulates
the atmospheres before and after the water-gas shift
reaction. Sintered samples were exposed at 600 °C and 900
°C and subsequently analyzed by SEM/EDX and powder-XRD.
Afterwards the samples were exposed at 900 °C in powder
form and then characterized with XRD. Lanthanum tungstate
showed very stable behavior for all contaminants. Barium
zirconates tended to form chlorine compounds, especially
BaCe0.5Zr0.4Y0.1O3 − δ. BaCe0.2Zr0.7Yb0.08Ni0.02O3 − δ
on the other hand showed much more stability, but sustained
intergranular corrosion with higher temperatures and syngas
conditions when the atmosphere contained potassium.},
cin = {IEK-1 / IEK-2},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111) /
HITEC - Helmholtz Interdisciplinary Doctoral Training in
Energy and Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-111 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000379888400025},
doi = {10.1016/j.jeurceramsoc.2016.05.021},
url = {https://juser.fz-juelich.de/record/817669},
}