Metal nitride nanostructures as hydrogen storage materials

C. M. Jewell, C. W. Dunnill, J. M. Blackman, C. E. Snape, H. K. Edwards, P. D. Brown, A. G.R. Gordon, J. J. Titman, D. H. Gregory

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have produced complex lithium-containing nitrides as nanostructures in which it is possible to control the morphology through carefully tailoring the synthetic conditions. We observe that the nanomaterials store hydrogen with a significant improvement in sorption kinetics and cyclability compared with the bulk materials. Notably, bulk lithium nitride synthesised using liquid metal methods exhibits a total hydrogen storage capacity greater than 10 wt. % at 200°C and will store ca. 4 wt. % hydrogen reversibly. Storage capacity in the bulk material was observed to improve on successive cycles between the imide and amide phases. At the same temperature of 200°C nanostructured lithium nitride exhibits a total hydrogen storage capacity of ca. 9 wt. % and stores in excess of 5 wt. % hydrogen reversibly. It is also noteworthy that our nanostructured nitride reaches its optimum gravimetric capacity with an approximate three-fold increase in rate compared with the bulk material.

Original languageEnglish
Title of host publication16th World Hydrogen Energy Conference 2006, WHEC 2006
Pages40-49
Number of pages10
Publication statusPublished - Dec 1 2006
Externally publishedYes
Event16th World Hydrogen Energy Conference 2006, WHEC 2006 - Lyon, France
Duration: Jun 13 2006Jun 16 2006

Publication series

Name16th World Hydrogen Energy Conference 2006, WHEC 2006
Volume1

Other

Other16th World Hydrogen Energy Conference 2006, WHEC 2006
CountryFrance
CityLyon
Period6/13/066/16/06

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Fuel Technology

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    Jewell, C. M., Dunnill, C. W., Blackman, J. M., Snape, C. E., Edwards, H. K., Brown, P. D., Gordon, A. G. R., Titman, J. J., & Gregory, D. H. (2006). Metal nitride nanostructures as hydrogen storage materials. In 16th World Hydrogen Energy Conference 2006, WHEC 2006 (pp. 40-49). (16th World Hydrogen Energy Conference 2006, WHEC 2006; Vol. 1).