Clathrate Hydrogen Hydrate—A Promising Material for Hydrogen Storage

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Abstract

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Captured and caged: The capture of H2 in H2O cages to give clathrate hydrogen hydrate is a recent breakthrough in the development of hydrogen storage materials. Pure H2 hydrate is stabilized only under high pressures (typically 220 MPa at 249 K). However, inclusion of THF as a second guest allows stabilization of the resultant clathrate at pressures of only 5 MPa at 279.6 K (see picture; THF blue, H2 red).

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