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Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4. / Schmidt, Thomas; Röntzsch, Lars; Weißgärber, T. et al.
In: International Journal of Hydrogen Energy, Vol. 37, No. 5, 03.2012, p. 4194-4200.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Schmidt, T, Röntzsch, L, Weißgärber, T & Kieback, B 2012, 'Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4', International Journal of Hydrogen Energy, vol. 37, no. 5, pp. 4194-4200. https://doi.org/10.1016/j.ijhydene.2011.11.139

APA

Schmidt, T., Röntzsch, L., Weißgärber, T., & Kieback, B. (2012). Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4. International Journal of Hydrogen Energy, 37(5), 4194-4200. https://doi.org/10.1016/j.ijhydene.2011.11.139

Vancouver

Schmidt T, Röntzsch L, Weißgärber T, Kieback B. Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4. International Journal of Hydrogen Energy. 2012 Mar;37(5):4194-4200. doi: 10.1016/j.ijhydene.2011.11.139

Bibtex

@article{5819db1972b44aeda2fe58e7bb193eed,
title = "Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4",
abstract = "NaAlH4 has been doped with ScCl3, TiCl3, CeCl3, and combinations of these additives by high-energy ball milling. The phase composition of the samples after milling was analyzed by X-ray diffraction. Microstructure and catalyst distribution were investigated by scanning electron microscopy. The effect of the additives and their combination on the two dehydrogenation and rehydrogenation steps of suchlike doped NaAlH4 has been studied under isothermal and isobaric conditions by thermogravimetry under a H2 back pressure of 1 bar. From these studies it turned out that ScCl3-doped NaAlH4 was superior to all other dopants and combinations investigated, both for dehydrogenation and rehydrogenation. For this dopant, the influence of the temperature on the kinetics of each single dehydrogenation and rehydrogenation step and the dehydrogenation kinetics in dependence on the H2 back pressure were studied in detail.",
keywords = "Sustainability Science, Chemistry, Energy research, Ce, Co-doping, Hydrogen storage, Sc, Sodium aluminum hydride, Ti",
author = "Thomas Schmidt and Lars R{\"o}ntzsch and T. Wei{\ss}g{\"a}rber and B. Kieback",
year = "2012",
month = mar,
doi = "10.1016/j.ijhydene.2011.11.139",
language = "English",
volume = "37",
pages = "4194--4200",
journal = "International Journal of Hydrogen Energy",
publisher = "Elsevier Ltd",
number = "5",

}

RIS

TY - JOUR

T1 - Influence of transition metal dopants and temperature on the dehydrogenation and rehydrogenation kinetics of NaAlH4

AU - Schmidt, Thomas

AU - Röntzsch, Lars

AU - Weißgärber, T.

AU - Kieback, B.

PY - 2012/3

Y1 - 2012/3

N2 - NaAlH4 has been doped with ScCl3, TiCl3, CeCl3, and combinations of these additives by high-energy ball milling. The phase composition of the samples after milling was analyzed by X-ray diffraction. Microstructure and catalyst distribution were investigated by scanning electron microscopy. The effect of the additives and their combination on the two dehydrogenation and rehydrogenation steps of suchlike doped NaAlH4 has been studied under isothermal and isobaric conditions by thermogravimetry under a H2 back pressure of 1 bar. From these studies it turned out that ScCl3-doped NaAlH4 was superior to all other dopants and combinations investigated, both for dehydrogenation and rehydrogenation. For this dopant, the influence of the temperature on the kinetics of each single dehydrogenation and rehydrogenation step and the dehydrogenation kinetics in dependence on the H2 back pressure were studied in detail.

AB - NaAlH4 has been doped with ScCl3, TiCl3, CeCl3, and combinations of these additives by high-energy ball milling. The phase composition of the samples after milling was analyzed by X-ray diffraction. Microstructure and catalyst distribution were investigated by scanning electron microscopy. The effect of the additives and their combination on the two dehydrogenation and rehydrogenation steps of suchlike doped NaAlH4 has been studied under isothermal and isobaric conditions by thermogravimetry under a H2 back pressure of 1 bar. From these studies it turned out that ScCl3-doped NaAlH4 was superior to all other dopants and combinations investigated, both for dehydrogenation and rehydrogenation. For this dopant, the influence of the temperature on the kinetics of each single dehydrogenation and rehydrogenation step and the dehydrogenation kinetics in dependence on the H2 back pressure were studied in detail.

KW - Sustainability Science

KW - Chemistry

KW - Energy research

KW - Ce

KW - Co-doping

KW - Hydrogen storage

KW - Sc

KW - Sodium aluminum hydride

KW - Ti

UR - http://www.scopus.com/inward/record.url?scp=84856746155&partnerID=8YFLogxK

U2 - 10.1016/j.ijhydene.2011.11.139

DO - 10.1016/j.ijhydene.2011.11.139

M3 - Journal articles

VL - 37

SP - 4194

EP - 4200

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 5

ER -

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