Hydriding properties of uranium alloys for purposes of searching for new hydrogen storage materials

Michio Yamawaki, Takuya Yamamoto, Yuji Arita, Fumihiro Nakamori, Kazuhito Ohsawa, Kenji Konashi

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

Hydriding properties of uranium alloys have been studied to search for new hydrogen storage materials to be applied to hydrogen energy systems. Application of uranium-base hydrogen storage materials can be expected to alleviate the risk, as well as to reduce the cost incurred by globally-stored large amounts of depleted uranium left after uranium enrichment. Various uranium alloys have been examined in terms of hydrogen absorption-desorption properties, among which UNiAl intermetallic compound showed promising characteristics, such as lower absorption-desorption temperatures and better anti-powdering strength. First principle calculation has been carried out on UNiAl hydride to predict the change of crystal structure and the lattice constant with increasing hydrogen content, which showed this calculation to be promising in predicting candidates for good hydrogen absorbers.

本文言語英語
論文番号S10312
ジャーナルNuclear Science and Techniques
26
1
DOI
出版ステータス出版済み - 2 2 2015

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

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