Journal
CHEMISTRY OF MATERIALS
Volume 21, Issue 16, Pages 3810-3815Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm9009628
Keywords
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Funding
- EPSRC [EP/511794/1, EP/G006091/1, EP/F06229X/1]
- EPSRC [EP/F06229X/1, EP/G006091/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G006091/1, EP/F06229X/1] Funding Source: researchfish
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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.
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