Synthesis and characterization of impregnated Li-N-H complex hydride

Masaharu Menjo, Ting Hao, Motoaki Matsuo, Yuko Nakamori, Shin Ichi Orimo

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Li2NH (Li-imide) and LiNH2 (Li-amide) have been extensively investigated as solid-state hydrogen storage materials. We demonstrated the feasibility of an impregnation method for the synthesis of Li-imide/amide for the first time. A metallic Li foil placed on a sheet of porous Ni was heated under Ar atmosphere and then impregnated homogeneously into the porous Ni without changing the bulk morphology. The morphology of the porous Ni was retained after nitrogenation of the impregnated Li (formation of Li3N) as well as after ten repeated hydrogenation and dehydrogenation reactions (reversible formation of Li2NH and LiNH2). It was also noted that the hydrogenation reaction after the nitrogenation was drastically promoted by the addition of a small amount of Co powder on the metallic Li foil prior to the impregnation.

本文言語English
ページ(範囲)163-167
ページ数5
ジャーナルNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
72
3
DOI
出版ステータスPublished - 2008 3

ASJC Scopus subject areas

  • 凝縮系物理学
  • 材料力学
  • 金属および合金
  • 材料化学

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