FIELD: chemistry.
SUBSTANCE: invention can be used in making hydrogen accumulators for power plants on an industrial scale, for autonomous power systems, including ground, water and air vehicles, stationary ground and space-based objects. Disclosed is a liquid organic hydrogen carrier, which is a eutectic mixture containing dibenzyl toluene, biphenyl, o-terphenyl, m-terphenyl and p-terphenyl, with the following ratio of components, wt.%: dibenzyl toluene – 50, biphenyl – 8, o-terphenyl – 23, m-terphenyl – 16, p-terphenyl – 3. Also disclosed is a hydrogen cycle involving binding hydrogen at temperature of 160 to 200 °C and its release at temperature from 320 to 350 °C using said liquid organic hydrogen carrier in the presence of a heterogeneous catalyst. Catalyst is platinum deposited on a carbon support in an amount not exceeding 0.2 wt.%.
EFFECT: invention enables to obtain a liquid organic hydrogen carrier having increased hydrogen capacity at a low melting point of the mixture.
2 cl, 1 ex
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