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Volume 151, 2011
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A multidisciplinary combinatorial approach for tuning promising hydrogen storage materials towards automotive applications

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Abstract

HyStorM is a multidisciplinary hydrogen-storage project aiming to synthesise and tune materials hydrogen storage properties for automotive applications. Firstly, unique high-throughput combinatorial thin-film technologies are used to screen materials' hydrogen storage properties. Then promising thin-film candidate compositions are synthesised and examined in the bulk. In this paper, we report on our results within the ternary compositions Mg–Ti–B and Ca–Ti–B. Primary screening of the Mg–Ti–B ternary identified a high capacity hotspot corresponding to Mg0.36Ti0.06B0.58, with 10.6 wt% H2 capacity. Partial reversibility has been observed for this material in the thin-film. Bulk Ti-doped Mg(BH4)2 composites show rehydrogenation to MgH2 under the conditions used. The synthesised thin-film Ca–Ti–B ternary showed only low hydrogen storage capacities. In the bulk, Ti-doping experiments on Ca(BH4)2 demonstrated reversible storage capacities up to 5.9 wt% H2. Further characterisation experiments are required to decipher the role of the Ti-dopant in these systems in both films and in the bulk.

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Publication details

The article was received on 13 Dec 2010, accepted on 14 Feb 2011 and first published on 13 May 2011


Article type: Paper
DOI: 10.1039/C0FD00018C
Citation: Faraday Discuss., 2011,151, 369-384
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    A multidisciplinary combinatorial approach for tuning promising hydrogen storage materials towards automotive applications

    A. Amieiro-Fonseca, S. R. Ellis, C. J. Nuttall, B. E. Hayden, S. Guerin, G. Purdy, J.-Ph. Soulié, S. K. Callear, S. D. Culligan, W. I. F. David, P. P. Edwards, M. O. Jones, S. R. Johnson and A. H. Pohl, Faraday Discuss., 2011, 151, 369
    DOI: 10.1039/C0FD00018C

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