Gas hydrates in confined space of nanoporous materials: New frontier in gas storage technology

Avinash Kumar Both, Yurui Gao, Xiao Cheng Zeng, Chin Li Cheung

Research output: Contribution to journalReview articlepeer-review

31 Scopus citations


Gas hydrates (clathrate hydrates, clathrates, or hydrates) are crystalline inclusion compounds composed of water and gas molecules. Methane hydrates, the most well-known gas hydrates, are considered a menace in flow assurance. However, they have also been hailed as an alternative energy resource because of their high methane storage capacity. Since the formation of gas hydrates generally requires extreme conditions, developing porous material hosts to synthesize gas hydrates with less-demanding constraints is a topic of great interest to the materials and energy science communities. Though reports of modeling and experimental analysis of bulk gas hydrates are plentiful in the literature, reliable phase data for gas hydrates within confined spaces of nanoporous media have been sporadic. This review examines recent studies of both experiments and theoretical modeling of gas hydrates within four categories of nanoporous material hosts that include porous carbons, metal-organic frameworks, graphene nanoslits, and carbon nanotubes. We identify challenges associated with these porous systems and discuss the prospects of gas hydrates in confined space for potential applications.

Original languageEnglish (US)
Pages (from-to)7447-7470
Number of pages24
Issue number16
StatePublished - Apr 28 2021

ASJC Scopus subject areas

  • General Materials Science


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