Abstract
The “thermodynamic forces” and energetics of intercalation of H2 nanophase of a high density into carbon-based nanostructures are considered. The hydrogen self-compression effect, at the expense of the free energy of association of the penetrating hydrogen atoms to the “captured” hydrogen molecules, is shown. The mechanisms of the extraordinary manifestation of both the hydrogen spillover effect, and the Kurdjumov-like effect are discussed.
Highlights
Over the past 20 years, many scientists have reported that hydrogen spillover is a viable technique to achieve more hydrogen storage on different carbon-based materials and nanomaterials, even at ambient conditions
The spillover mechanism and energetics of molecular hydrogen on different carbon-based materials and nanomaterials, in the presence of metallic catalysts, has not been satisfactorily understood up to nowadays (Juarez-Mosqueda et al, 2015). These open questions are considered in the present study, which is a further development of results (Nechaev & Veziroglu, 2015) of an open access
The present study is related to the extraordinary data on molecular gaseous hydrogen interactions with graphite nanofibers, when, as is shown in this study, a unique manifestation of both the spillover effect (Juarez-Mosqueda et al, 2015) and the Kurdjumov-like extraordinary effect (Koval, 2005) occur
Summary
Over the past 20 years, many scientists have reported that hydrogen spillover is a viable technique to achieve more hydrogen storage on different carbon-based materials and nanomaterials, even at ambient conditions. The present study is related to the extraordinary data on molecular gaseous hydrogen interactions with graphite nanofibers (with metallic catalysts), when, as is shown in this study, a unique manifestation of both the spillover effect (Juarez-Mosqueda et al, 2015) and the Kurdjumov-like extraordinary effect (Koval, 2005) occur.
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