The impact of treating graphene oxide with a pulsed high-frequency discharge on the low-temperature sorption of hydrogen

Abstract

Scanning electron microscopy, X-ray diffraction, and thermoprogrammed desorption methods were used to study the effect of treatment with a pulsed high-frequency discharge in a hydrogen atmosphere on the morphology, structure, and sorption characteristics of thermally reduced graphene oxide (TRGO). The TRGO treatment with pulsed gas discharge was shown to enhance the physical sorption of hydrogen by 1.5 times. It can be assumed that the increase in sorption capacity is due to a change in the distance between adjacent carbon surfaces in packets of graphene planes, due to the chemical interaction with the hydrogen ionized during the discharge.