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@ARTICLE{Paskevicius:312128,
author = {Paskevicius, Mark and Filsø, Uffe and Karimi, Fahim and
Puszkiel, Julián and Pranzas, Philipp Klaus and Pistidda,
Claudio and Hoell, Armin and Welter, Edmund and Schreyer,
Andreas and Klassen, Thomas and Dornheim, Martin and Jensen,
Torben R.},
title = {{C}yclic stability and structure of nanoconfined {T}i-doped
$\mathrm{{N}a{A}l{H}_{4}}$},
journal = {International journal of hydrogen energy},
volume = {41},
number = {7},
issn = {0360-3199},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {PUBDB-2016-05317},
pages = {4159 - 4167},
year = {2016},
note = {(c) Hydrogen Energy Publications, LLC. Published by
Elsevier Ltd. Post referee full text in progress (embargo 1
year from 1 February 2016).},
abstract = {NaAlH4 was melt infiltrated within a CO$_2$ activated
carbon aerogel, which had been preloaded with TiCl$_3$.
Nanoconfinement was verified by Small Angle X-Ray Scattering
(SAXS) and the nature of the Ti was investigated with
Anomalous SAXS (ASAXS) and X-Ray Absorption Near Edge
Structure (XANES) to determine its size and chemical state.
The Ti is found to be in a similar state to that found in
the bulk Ti-doped NaAlH$_4$ system where it exists as
Al$_{1−x}$Ti$_x$ nanoalloys. Crystalline phases exist
within the carbon aerogel pores, which are analysed by
in-situ Powder X-Ray Diffraction (PXD) during hydrogen
cycling. The in-situ data reveals that the hydrogen release
from NaAlH$_4$ and its hydrogen uptake occurs through the
Na$_3$AlH$_6$ intermediate when confined at this size scale.
The hydrogen capacity from the nanoconfined NaAlH$_4$ is
found to initially be much higher in this CO$_2$ activated
aerogel compared with previous studies into unactivated
aerogels.},
cin = {DOOR / FS-PEX},
ddc = {660},
cid = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-PEX-20130206},
pnm = {6213 - Materials and Processes for Energy and Transport
Technologies (POF3-621)},
pid = {G:(DE-HGF)POF3-6213},
experiment = {EXP:(DE-H253)D-A1-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000372378100009},
doi = {10.1016/j.ijhydene.2015.12.185},
url = {https://bib-pubdb1.desy.de/record/312128},
}