CATALYTIC MATERIAL FOR STORING HYDROGEN AND HYDROGEN STORING METHOD USING SAID MATERIAL

摘要

The invention relates to catalysis and organic chemistry, in particular to methods for storing hydrogen in catalytic systems based on organic compound hydrogenating-dehydrogenating reactions. The inventive catalytic composites used for storing hydrogen are embodied in the form of mixtures comprising (1) a hydrogen source in the form of organic compounds (acetylene hydrocarbons, including aromatic hydrocarbons, polyacetylene oligomers and polymers) and (2) a hydrogenating-dehydrogenating catalyst containing a carbon or oxide carrier, which is provided with a high specific surface area coated by at least one type of a VIII group metal at a substrate/catalyst mass ratio ranging from 5:1 to 1000:1. The inventive hydrogen storing method consists in filling a hydrogen while a contact between the acetylene hydrocarbon and the catalyst at a temperature ranging from 100 to 200 °C, the hydrogen pressure of 5-100 atm and the substrate/catalyst mass ratio of 5/1-1000/1 and in releasing hydrogen from the system during the contact of the totally hydrogenated acetylene hydrocarbon with the same catalyst at a temperature of 200-350 °C and the atmospheric pressure.