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Modeling of hydrogen/deuterium dynamics and heat generation on palladium nanoparticles for hydrogen storage and
1Department of Chemical Engineering, Kyoto University, Kyoto University-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan.
Abstract:
We modeled the dynamics of hydrogen and deuterium adsorbed on palladium nanoparticles including the heat generation induced by the chemical adsorption and desorption, as well as palladium-catalyzed reactions. Our calculations based on the proposed model reproduce the experimental time-evolution of pressure and temperature with a single set of fitting parameters for hydrogen and deuterium injection. The model we generated with a highly generalized set of formulations can be applied for any combination of a gas species and a catalytic adsorbent/absorbent. Our model can be used as a basis for future research into hydrogen storage and solid-state nuclear fusion technologies.
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