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@INPROCEEDINGS{Lenser:817715,
author = {Lenser, Christian and Gunkel, Felix and Menzler, Norbert H.
and Guillon, Olivier},
title = {{P}r$_x${C}e$_ {1-x}${O}$_{2-\delta}$ as a functional
material for {SOC}s},
reportid = {FZJ-2016-04373},
year = {2016},
abstract = {Solid oxide cells (SOCs) offer the possibility to
reversibly convert fuel (such as H2 or CH4 gas) into
electricity (fuel cells) or electricity into fuel
(electrolyzers). Gadolinium-doped ceria (GDC) is currently
used as a Sr-diffusion barrier in state-of-the-art anode
supported cells (ASC), and is investigated as an electrolyte
for low-temperature applications. In contrast to GDC,
Praseodymium-doped ceria (PCO) is a mixed ionic-electronic
conductor (MIEC) in air due to the mixed Pr3+/Pr4+ valence
state, and therefore interesting as an active component on
the air side of SOCs. It has been suggested from work on
model systems that PCO could show a comparable performance
to La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF).1 In the present work,
we investigate the structural and electrochemical properties
of PCO ceramics, as well the performance as an alternate
cathode material and Sr-diffusion barrier for the use in
SOCs.},
month = {Jul},
date = {2016-07-31},
organization = {Gordon Reasearch Conference on Solid
State Studies in Ceramics, South
Hadley, MA (USA), 31 Jul 2016 - 5 Aug
2016},
subtyp = {Other},
cin = {IEK-1 / PGI-7 / JARA-ENERGY},
cid = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)PGI-7-20110106 /
$I:(DE-82)080011_20140620$},
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)24},
url = {https://juser.fz-juelich.de/record/817715},
}