Hydrogen storage materials and method of making same

Details Hydrogen storage materials and method of making same Hydrogen storage materials and method of making same

F - Mech Eng,Light,Heat,Weapons

17

C

252/19

F17C 11/00 (2006.01) B01J 20/28 (2006.01) B01J 20/30 (2006.01) C01B 3/00 (2006.01)

Patent

CA 1189499

ABSTRACT A material for reversibly storing hydrogen is formed from a lightweight matrix which is chem- ically and structurally modified to improve its hydrogen storage properties. The utilization of a material which can be any of a number of different disordered structures makes possible the modi- fication of local order chemical environments of the material to increase hydrogen storage capacity and/or improve absorption and desorption prop- erties. Lightweight modifier elements struc- turally modify the local chemical environments of the matrix to provide a material having a in- creased density of storage sites to increase hy- drogen storage capacity. Transition and rare earth modifier elements structurally modify the local chemical environments to provide a material with an increased density of catalytically active sites for dissociating hydrogen molecules to in- crease the rate at which hydrogen absorption and desorption can be accomplished.

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