Abstract
Abstract High-speed deuterium loading in palladium is of great importance in the research of Metal-Hydrogen isotope system and applications of hydrogen energy. In this paper, porous Pd bulk prepared by a new pulse sintering technology was studied. The microstructure and phase composition of the porous Pd bulk were characterized by SEM and XRD. In addition, the deuterium gas loading behavior of the porous Pd bulk was investigated. The results show that clean porous Pd bulk with porosity of 81.6% can be prepared. The initial loading rate of deuterium in the porous Pd bulk is high but drops quickly. 90% of the loading can be completed within the initial 80 s. The loading rate comes to a very low level and decreases slowly about 10 s after the beginning of the loading.
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