Ability of hydrogen storage CeNi Ga and MgNi alloys to hydrogenate acetylene.

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ID: 15408
2019
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Abstract
Hydrogen storage properties and reactivity for hydrogenation of acetylene in a series of CeNi Ga ( = 0, 0.5, 0.75, 1, 1.25, 1.5) alloys and MgNi were determined and compared. The structure of CeNi (CaCu type) was maintained up to CeNiGa when Ni was replaced by Ga. The replacement facilitated hydrogenation absorption by creating larger interstitial spaces through expansion of the lattice, allowing CeNiGa to absorb the greatest proportion of hydrogen atoms among the alloys under the same conditions. The results showed that the absorbed hydrogen in CeNiGa improved reactivity. In contrast, MgNi formed a hydride upon hydrogenation of acetylene and thus possessed much lower activity. The difference of the activity of absorbed hydrogen between CeNi Ga and MgNi was confirmed from transient response tests under reaction gases alternately containing He and H.
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tsukuda2019abilityscience Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tsukuda, Ryota;Yamagishi, Ryo;Kameoka, Satoshi;Nishimura, Chikashi;Tsai, An-Pang;
Journal science and technology of advanced materials
Year 2019
DOI
10.1080/14686996.2019.1629836
URL
Keywords Keywords not found

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