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@ARTICLE{Deibert:902340,
author = {Deibert, Wendelin and Ivanova, Mariya E. and Huang, Yuanye
and Merkle, Rotraut and Maier, Joachim and Meulenberg,
Wilhelm A.},
title = {{F}abrication of multi-layered structures for proton
conducting ceramic cells},
journal = {Journal of materials chemistry / A},
volume = {10},
issn = {2050-7496},
address = {London [u.a.]},
publisher = {RSC},
reportid = {FZJ-2021-04189},
pages = {2362-2373},
year = {2022},
abstract = {Protonic ceramic fuel cells offer a high potential to
produce electrical energy in a very efficient way. The
performance of such a device among others is highly
dependent on the electrolyte material and its thickness.
Therefore, multilayer structures are used to reduce the
electrolyte thickness down to 10–20 μm, supported by a
much thicker porous anode. In this work sequential
tape-casting is used to fabricate half-cells consisting of a
BZCY electrolyte and a BZCY/NiO support which also serves as
the anode layer. The starting powders are characterised as
well as the thermal behaviour of the half-cells during heat
treatment. Sintering experiments show that a temperature of
T ≥ 1450 °C is needed to achieve the desired
microstructure. After that a scale-up approach to a size of
the half-cells of about 25 cm2 is shown. The influence of
the processing temperature on the microstructure is shown by
detailed XRD and SEM studies. The formation of a BaY2NiO5
transient liquid phase during the heat treatment of the
cells is clearly demonstrated. Finally, the proton
conductivity of the tape-cast cells shows competitive values
of σ = 0.003 S cm−1 at 600 °C with the advantage of an
industrially proven and up-scalable manufacturing
technique.},
cin = {IEK-1 / JARA-ENERGY},
ddc = {530},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
pnm = {1232 - Power-based Fuels and Chemicals (POF4-123)},
pid = {G:(DE-HGF)POF4-1232},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000700910700001},
doi = {10.1039/D1TA05240C},
url = {https://juser.fz-juelich.de/record/902340},
}