In situ        powder neutron diffraction study of non-stoichiometric phase formation during the hydrogenation of Li3N

Daniel J. Bull; Natalie Sorbie; Gael Baldissin; David Moser; Mark T. F. Telling; Ronald I. Smith; Duncan H. Gregory; D. Keith Ross

doi:10.1039/C0FD00020E

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In situpowder neutron diffraction study of non-stoichiometric phase formation during the hydrogenation† of Li₃N

Daniel J. Bull,*^a Natalie Sorbie,^b Gael Baldissin,^a David Moser,^a Mark T. F. Telling,^c Ronald I. Smith,^c Duncan H. Gregory^b and D. Keith Ross^a

Author affiliations

* Corresponding authors

^a Materials and Physics Research Centre, University of Salford, Salford, Greater Manchester, UK
E-mail: d.j.bull@salford.ac.uk
Fax: +44 161 295 5575
Tel: +44 161 295 3269

^b WestCHEM, Department of Chemistry, University of Glasgow, Glasgow, UK

^c ISIS Facility, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, Oxfordshire, UK

Abstract

The hydrogenation of Li₃N at low chemical potential has been studied in situ by time-of-flight powder neutron diffraction and the formation of a non-stoichiometric Li_4−2xNH phase and Li₄NH observed. The results are interpreted in terms of a model for the reaction pathway involving the production of Li₄NH and Li₂NH, which subsequently react together to form Li_4−2xNH. Possible mechanisms for the production of Li₄NH from the hydrogenation of Li₃N are discussed.

This article is part of the themed collection: Hydrogen Storage Materials

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Article information

DOI: https://doi.org/10.1039/C0FD00020E
Article type: Paper
Submitted: 14 Dec 2010
Accepted: 01 Feb 2011
First published: 21 Jun 2011

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Faraday Discuss., 2011,151, 263-270

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In situ powder neutron diffraction study of non-stoichiometric phase formation during the hydrogenation of Li₃N

D. J. Bull, N. Sorbie, G. Baldissin, D. Moser, M. T. F. Telling, R. I. Smith, D. H. Gregory and D. K. Ross, Faraday Discuss., 2011, 151, 263 DOI: 10.1039/C0FD00020E

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