Issue 38, 2005
From the journal:

Journal of Materials Chemistry

Metal ammine complexes for hydrogen storage

Claus Hviid Christensen,a   Rasmus Zink Sørensen,b   Tue Johannessen,c   Ulrich J. Quaade,b   Karoliina Honkala,b   Tobias D. Elmøe,c   Rikke Køhlera  and  Jens K. Nørskov*b  

* Corresponding authors

a Center for Sustainable and Green Chemistry, NanoDTU, Department of Chemistry, Technical University of Denmark, Building 206, DK-2800 Lyngby, Denmark

b Center for Atomic-scale Materials Physics, NanoDTU, Department of Physics, Technical University of Denmark, Building 307, DK-2800 Lyngby, Denmark
E-mail: norskov@fysik.dtu.dk

c NanoDTU, Department of Chemical Engineering, Technical University of Denmark, Building 229, DK-2800 Lyngby, Denmark

Abstract

The hopes of using hydrogen as an energy carrier are severely dampened by the fact that there is still no safe, high-density method available for storing hydrogen. We investigate the possibility of using metal ammine complexes as a solid form of hydrogen storage. Using Mg(NH3)6Cl2 as the example, we show that it can store 9.1% hydrogen by weight in the form of ammonia. The storage is completely reversible, and by combining it with an ammonia decomposition catalyst, hydrogen can be delivered at temperatures below 620 K.

Graphical abstract: Metal ammine complexes for hydrogen storage

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Article information

DOI
https://doi.org/10.1039/B511589B
Article type
Communication
Submitted
15 Aug 2005
Accepted
31 Aug 2005
First published
07 Sep 2005

J. Mater. Chem., 2005,15, 4106-4108

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Metal ammine complexes for hydrogen storage

C. H. Christensen, R. Z. Sørensen, T. Johannessen, U. J. Quaade, K. Honkala, T. D. Elmøe, R. Køhler and J. K. Nørskov, J. Mater. Chem., 2005, 15, 4106 DOI: 10.1039/B511589B

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