Electrochemical charge for the formation of metal hydrides from LiH+M (M = Mg, Al)

Nobuko Hanada, Akito Kamura, Hiroshi Suzuki, Takayuki Ichikawa, Yoshitsugu Kojima, Kenichi Takai

研究成果: Conference contribution

1 引用 (Scopus)

抜粋

For a formation of metal hydride of MgH2 or AlH3 under room temperature and ambient pressure, the cathode electrodes of metal and lithium hydride are electrochemically charged with Li anode electrodes in the system of Li-ion extraction. For MgH2 formation, the VC (Voltage-Composition) curve of Mg + 2LiH during charge shows a plateau voltage at 0.6 V until the final composition of 1.05 Li extraction. After charging MgH2 phase is observed by the XRD measurement. Therefore MgH 2 is produced by the electrochemical charge from Mg and LiH. For AlH3 formation, Al + 3LiH is charged until the final composition of 0.6 Li at a plateau voltage of 0.8 V which corresponds to the reaction between Al and LiH for the formation of AlH3. In the XRD profile after charging AlH3 phase is not detected although the intensities of Al and LiH decrease compared with these before charging, which suggests the reaction leading to the formation of AlH3.

元の言語English
ホスト出版物のタイトルHydrogen Storage Materials
ページ105-110
ページ数6
出版物ステータスPublished - 2010 10 15
外部発表Yes
イベント2009 MRS Fall Meeting - Boston, MA, United States
継続期間: 2009 11 302009 12 4

出版物シリーズ

名前Materials Research Society Symposium Proceedings
1216
ISSN(印刷物)0272-9172

Other

Other2009 MRS Fall Meeting
United States
Boston, MA
期間09/11/3009/12/4

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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  • これを引用

    Hanada, N., Kamura, A., Suzuki, H., Ichikawa, T., Kojima, Y., & Takai, K. (2010). Electrochemical charge for the formation of metal hydrides from LiH+M (M = Mg, Al). : Hydrogen Storage Materials (pp. 105-110). (Materials Research Society Symposium Proceedings; 巻数 1216).