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

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

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.

本文言語英語
ホスト出版物のタイトル16th World Hydrogen Energy Conference 2006, WHEC 2006
ページ40-49
ページ数10
出版ステータス出版済み - 12 1 2006
外部発表はい
イベント16th World Hydrogen Energy Conference 2006, WHEC 2006 - Lyon, フランス
継続期間: 6 13 20066 16 2006

出版物シリーズ

名前16th World Hydrogen Energy Conference 2006, WHEC 2006
1

その他

その他16th World Hydrogen Energy Conference 2006, WHEC 2006
Countryフランス
CityLyon
Period6/13/066/16/06

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Fuel Technology

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