Pd/Zr_3Al_2による重水素呼吸機構と耐不純物ガス特性

概要

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Absorption and desorption characteristics of hydrogen were examined for a ZrNi-alloy capsule fabricated to prevent the scater of fine powder. The ZrNi-alloy capsule was fabricated by compression molding of ZrNi-alloy pellet and stainless steel powder mixed with a given amount of magnesium powder. It was found that the fraction of 5% of magnesium was the best for absorption of hydrogen. In addition, it was revealed that the ZrNi-alloy capsule was not broken by hydride formation at the hydrogen concentration of ZrNiH2.2. The characteristics of dissociation pressure on the ZrNi-alloy capsule were almost the same as those on bare ZrNi powder. From those results, it was concluded that the ZrNi-alloy capsule enveloped in the sintered stainless steel over-layers was feasible for preventing the scatter of fine powder of hydrogen storage materials.
富山大学の論文