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Multiple H2 occupancy of cages of clathrate hydrate under mild conditions
Authors:Lu Hailong  Wang Jianwei  Liu Changling  Ratcliffe Christopher I  Becker Udo  Kumar Rajnish  Ripmeester John
Institution:Measurement Science and Standards, Division of Emerging Technologies, National Research Council Canada, Ottawa, Ontario, Canada. hailong.lu@nrc-cnrc.gc.ca
Abstract:Experiments were carried out by reacting H(2) gas with N(2) hydrate at a temperature of 243 K and a pressure of 15 MPa. The characterizations of the reaction products indicated that multiple H(2) molecules can be loaded into both large and small cages of structure II clathrate hydrates. The realization of multiple H(2) occupancy of hydrate cages under moderate conditions not only brings new insights into hydrogen clathrates but also refreshes the perspective of clathrate hydrates as hydrogen storage media.
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