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Effect of NaH/MgB2 ratio on the hydrogen absorption kinetics of the system NaH + MgB2

Pistidda, Claudio and Pottmaier, Daphiny and Karimi, Fahim and Garroni, Sebastiano and Rzeszutek, Agnieszka and Tolkiehn, Martin and Fichtner, Maximilian and Lohstroh, Wiebke and Baricco, Marcello and Klassen, Thomas and Dornheim, Martin (2014) Effect of NaH/MgB2 ratio on the hydrogen absorption kinetics of the system NaH + MgB2. International journal of hydrogen energy, Vol. 39 (10), p. 5030-5036. ISSN 0360-3199. eISSN 1879-3487. Article.

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DOI: 10.1016/j.ijhydene.2014.01.105

Abstract

In this work the effect of the ratio of starting reactants on the hydrogen absorption reaction of the system xNaH + MgB2 is investigated. At a constant hydrogen pressure of 50 bar, depending on the amount of NaH present in the system NaH + MgB2, different hydrogen absorption behaviors are observed. For two system compositions: NaH + MgB2 and 0.5NaH + MgB2, the formation of NaBH4 and MgH2 as only crystalline hydrogenation products is achieved. The relation between the ratio of the starting reactants and the obtained hydrogenation products is discussed in detail.

Item Type:Article
ID Code:9811
Status:Published
Refereed:Yes
Uncontrolled Keywords:Hydrogen storage, boron hydride, kinetics
Subjects:Area 10 - Scienze dell'antichità, filologico-letterarie e storico-artistiche > L-ANT/03 Storia romana
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Chimica e Farmacia
Publisher:Elsevier
ISSN:0360-3199
eISSN:1879-3487
Deposited On:20 May 2014 09:36

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