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@INPROCEEDINGS{Kumar:1035316,
author = {Kumar, Rishabh and Vibhu, Vaibhav and Uecker, Jan and de
Haart, L. G. J. and Eichel, Rüdiger-A.},
title = {{P}raseodymium {D}oped {C}eria as {N}ickel-free {F}uel
{E}lectrode {M}aterial for {S}olid {O}xide {E}lectrolysis
{C}ells},
reportid = {FZJ-2025-00374},
year = {2024},
abstract = {Solid oxide electrolysis cells (SOECs) are promising
electrochemical conversion devices for Power-to-Gas
technologies but face degradation issues with conventional
nickel-based fuel electrodes (e.g. Ni-YSZ or Ni-GDC) at high
current densities. This research investigates the potential
of using praseodymium doped ceria (PDC) as a nickel-free
alternative. For this purpose, three different materials
were tested: $5\%$ lanthanum and $5\%$ praseodymium doped
ceria (LPDC), $10\%$ praseodymium doped ceria (PDC10), and
$30\%$ praseodymium doped ceria (PDC30). In an
electrochemical performance evaluation under steam
electrolysis conditions at 900°C, PDC10 outperformed both
LPDC (-1.37 A/cm²) and PDC30 (-1.1 A/cm²), achieving a
current density of -1.5 A/cm² at 1.5 V. Future work will
include structural and electrochemical analysis of all three
samples to evaluate their physico-chemical behavior at a
fundamental level. In conclusion, these findings suggest
that praseodymium-doped ceria could be a promising candidate
for efficient and durable fuel electrode materials in
SOECs.},
organization = {Sci $\&$ Hike Retreat, (Germany)},
subtyp = {Other},
cin = {IET-1},
cid = {I:(DE-Juel1)IET-1-20110218},
pnm = {1232 - Power-based Fuels and Chemicals (POF4-123) / HITEC -
Helmholtz Interdisciplinary Doctoral Training in Energy and
Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF4-1232 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)31},
url = {https://juser.fz-juelich.de/record/1035316},
}