Ti-catalyzed Mg(AlH4)2: A reversible hydrogen storage material

R. Gremaud; A. Borgschulte; W. Lohstroh; H. Schreuders; A. Züttel; B. Dam; R. Griessen

doi:10.1016/j.jallcom.2005.01.140

Ti-catalyzed Mg(AlH₄)₂: A reversible hydrogen storage material

R. Gremaud^*, A. Borgschulte, W. Lohstroh, H. Schreuders, A. Züttel, B. Dam, R. Griessen

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

40 Citations (Scopus)

Abstract

Mg-Al thin films with a compositional gradient are co-sputtered from off-centered magnetron sources and capped with a thin Pd layer. We study their hydride formation by monitoring their optical transmission during hydrogenation under defined pressure and temperature conditions. We find that Mg(AlH ₄)₂ is already formed from the elements at p(H2)=1 bar and T=100 ° C. A thin layer of Ti acts as a catalyst. Doping of Mg-Al with Ti has a negative influence on hydrogen absorption.

Original language	English
Pages (from-to)	775-778
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	404-406
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.jallcom.2005.01.140
Publication status	Published - 8 Dec 2005

Bibliographical note

Funding Information:
Financial support for the work by the Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO) through the ACTS program and the Swiss federal office for energy (Bundesamt für Energie, BfE) is acknowledged.

Keywords

Alanate
Combinatorial research
Hydrogen storage materials
Mg
Thin films

Access to Document

10.1016/j.jallcom.2005.01.140

Cite this

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title = "Ti-catalyzed Mg(AlH4)2: A reversible hydrogen storage material",

abstract = "Mg-Al thin films with a compositional gradient are co-sputtered from off-centered magnetron sources and capped with a thin Pd layer. We study their hydride formation by monitoring their optical transmission during hydrogenation under defined pressure and temperature conditions. We find that Mg(AlH 4)2 is already formed from the elements at p(H2)=1 bar and T=100 ° C. A thin layer of Ti acts as a catalyst. Doping of Mg-Al with Ti has a negative influence on hydrogen absorption.",

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T1 - Ti-catalyzed Mg(AlH4)2

T2 - A reversible hydrogen storage material

AU - Gremaud, R.

AU - Borgschulte, A.

AU - Lohstroh, W.

AU - Schreuders, H.

AU - Züttel, A.

AU - Dam, B.

AU - Griessen, R.

N1 - Funding Information: Financial support for the work by the Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO) through the ACTS program and the Swiss federal office for energy (Bundesamt für Energie, BfE) is acknowledged.

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AB - Mg-Al thin films with a compositional gradient are co-sputtered from off-centered magnetron sources and capped with a thin Pd layer. We study their hydride formation by monitoring their optical transmission during hydrogenation under defined pressure and temperature conditions. We find that Mg(AlH 4)2 is already formed from the elements at p(H2)=1 bar and T=100 ° C. A thin layer of Ti acts as a catalyst. Doping of Mg-Al with Ti has a negative influence on hydrogen absorption.

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