Wang, W., Carter, B. O., Bray, C. L., Steiner, A., Bacsa, J., Jones, J. T. A., Cropper, C., Khimyak, Y. Z., Adams, D. J. and Cooper, A. I. (2009) Reversible methane storage in a polymer-supported semi-clathrate hydrate at ambient temperature and pressure. Chemistry of Materials, 21(16), pp. 3810-3815. (doi: 10.1021/cm9009628)
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Abstract
A key issue regarding the use of clathrates and semi-clathrate hydrates for practical gas storage is the pressure−temperature stability of the material. For many practical applications, the avoidance of cooling, gas overpressure, and mechanical mixing would be very desirable. Here, we show that porous emulsion-templated polymer supports greatly enhance methane uptake kinetics in tetra-iso-amylammonium bromide semi-clathrate hydrates without introducing complex mixing technologies. These systems show unprecedented thermal stability and can be decomposed upon demand to release the gas. Single crystal X-ray structure analysis of the semi-clathrates loaded with methane or krypton were obtained, confirming that the gases are stored in the dodecahedral A′ and A′′ cages.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Adams, Dave |
Authors: | Wang, W., Carter, B. O., Bray, C. L., Steiner, A., Bacsa, J., Jones, J. T. A., Cropper, C., Khimyak, Y. Z., Adams, D. J., and Cooper, A. I. |
College/School: | College of Science and Engineering > School of Chemistry |
Journal Name: | Chemistry of Materials |
Publisher: | American Chemical Society |
ISSN: | 0897-4756 |
ISSN (Online): | 1520-5002 |
Published Online: | 03 August 2009 |
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