Abstract

The use of zeolites as media for hydrogen storage was investigated using zeolites of different pore architecture and composition at temperatures from 293 to 573K and pressures from 2.5 to 10.0 MPa. The results suggest that zeolites containing sodalite cages in their structure are particularly suitable. Accordingly, the highest storage capacity was obtained with sodalite, i.e. the zeolite with the highest concentration of sodalite cages. This material showed a hydrogen storage capacity of 9.2 cm 3/g if loaded at 573K and 10.0 MPa.

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