Reversible Methane Storage in a Polymer-Supported Semi-Clathrate Hydrate at Ambient Temperature and Pressure

Wang, Weixing, Carter, Benjamin O., Bray, Christopher L., Steiner, Alexander, Bacsa, John, Jones, James T. A., Cropper, Catherine, Khimyak, Yaroslav Z., Adams, Dave J. and Cooper, Andrew 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. ISSN 0897-4756

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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: Article
Faculty \ School: Faculty of Science > School of Pharmacy
Depositing User: Rhiannon Harvey
Date Deposited: 31 Jan 2012 12:01
Last Modified: 21 Apr 2020 17:27
URI: https://ueaeprints.uea.ac.uk/id/eprint/36618
DOI: 10.1021/cm9009628

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