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. ORCID: https://orcid.org/0000-0003-0424-4128, 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: 23 Oct 2022 01:48
URI: https://ueaeprints.uea.ac.uk/id/eprint/36618
DOI: 10.1021/cm9009628

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