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@ARTICLE{Janssen:848042,
author = {Janssen, Holger and Edelmann, Achim and Mildebrath, Thea
and Müller, Patrick and Lehnert, Werner and Stolten,
Detlef},
title = {{D}esign and {E}xperimental {V}alidation of a {HT}-{PEFC}
{S}tack with {M}etallic {BPP}},
journal = {International journal of hydrogen energy},
volume = {43},
number = {39},
issn = {0360-3199},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2018-03332},
pages = {18488 - 18497},
year = {2018},
abstract = {This paper provides detailed insight into the design,
construction, production and verification of a metallic
bipolar plate for High Temperature Polymer Electrolyte Fuel
Cell stacks. With a focusing on applications with power
demands of 5–10 kW, the active cell area is set to a
maximum of 100 cm2. The double-plate-concept allows for
liquid cooling in the inner bipolar plate compartment. Due
to the bipolar plate production by hydroforming of thin
stainless steel foils the structure of the coolant
compartment is dependent on the gas flow field design. To
ensure proper cooling functionality a co-design is
necessary. The flow field design, in conjunction with the
flow configuration of the reactants (reformate, air) and
coolant, considers the effects of hydrogen and oxygen
depletion on current density distribution, as well as the
temperature profile on carbon monoxide poisoning. These
specifications are based on previously published results.
For validation, a 5-cell stack with commercial Membrane
Electrode Assemblies was operated at 160 °C and 0.2 A/cm2
and regularly interrupted for the polarization curve
measurement. After 4700 h of continuous operation, the test
was terminated due to a rapid voltage drop in one of the
cells. In this paper, it is shown that novel metallic
bipolar plates from thin metal sheets can be used for the
long-term operation of High Temperature Polymer Electrolyte
Fuel Cell stacks.},
cin = {IEK-3},
ddc = {660},
cid = {I:(DE-Juel1)IEK-3-20101013},
pnm = {135 - Fuel Cells (POF3-135)},
pid = {G:(DE-HGF)POF3-135},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000446949400042},
doi = {10.1016/j.ijhydene.2018.08.058},
url = {https://juser.fz-juelich.de/record/848042},
}