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@ARTICLE{Nezhad:893909,
author = {Nezhad, Parastoo Delir Kheyrollahi and Bekheet, Maged F.
and Bonmassar, Nicolas and Schlicker, Lukas and Gili, Albert
and Kamutzki, Franz and Gurlo, Aleksander and Doran, Andrew
and Gao, Yuanxu and Heggen, Marc and Schwarz, Sabine and
Bernardi, Johannes and Niaei, Aligholi and Farzi, Ali and
Klötzer, Bernhard and Penner, Simon},
title = {{M}echanistic in situ insights into the formation,
structural and catalytic aspects of the {L}a2{N}i{O}4
intermediate phase in the dry reforming of methane over
{N}i-based perovskite catalysts},
journal = {Applied catalysis / A},
volume = {612},
issn = {0926-860X},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2021-02921},
pages = {117984 -},
year = {2021},
note = {Bitte Post-print ergänzen},
abstract = {Parastoo Delir Kheyrollahi Nezhad; Maged Behkeet; Nicolas
Bonmassar; Lukas Schlicker; Albert Gili; Franz Kamutzki;
Andrew Doran; Yuanxu Gao; Marc Heggen; Sabine Schwarz;
Johannes Bernardi; Bernhard Klötzer; Aligholi Niaei; Ali
Farzi; and Simon Penner “Mechanistic In Situ Insights into
the Formation, Structural and Catalytic Aspects of the
La2NiO4 Intermediate Phase in the Dry Reforming of Methane
over Ni-based Perovskite Catalysts”, Applied Catalysis A,
Volume 612, (2021), 117984,
https://doi.org/10.1016/j.apcata.2020.117984Abstract:We
focus on the stability and bulk/surface structural
properties of the Ruddlesden-Popper phase La2NiO4 and their
consequences for dry reforming of methane (DRM) activity.
Fuelled by the appearance as a crucial intermediate during
in situ decomposition of highly DRM-active LaNiO3 perovskite
structures, we show that La2NiO4 can be equally in situ
decomposed into a Ni/La2O3 phase offering CO2 capture and
release necessary for DRM activity, albeit at much higher
temperatures compared to LaNiO3. Decomposition in hydrogen
also leads to an active Ni/La2O3 phase. In situ X-ray
diffraction during DRM operation reveals considerable coking
and encapsulation of exsolved Ni, yielding much smaller Ni
crystallites compared to on LaNiO3, where coking is
virtually absent. Generalizing the importance of
intermediate Ruddlesden-Popper phases, the in situ
decomposition of La-based perovskite structures yields
several obstacles due to the high stability of both the
parent perovskite and the Ruddlesden-Popper structures and
the occurrence of parasitic structures.},
cin = {ER-C-1},
ddc = {540},
cid = {I:(DE-Juel1)ER-C-1-20170209},
pnm = {5351 - Platform for Correlative, In Situ and Operando
Characterization (POF4-535)},
pid = {G:(DE-HGF)POF4-5351},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000672248500006},
doi = {10.1016/j.apcata.2020.117984},
url = {https://juser.fz-juelich.de/record/893909},
}