Synthesis and hydrogen storage properties of a single-phase magnesium borohydride Mg(BH4)2

Hai Wen Li, Kentaro Kikuchi, Toyoto Sato, Yuko Nakamori, Nobuko Ohba, Masakazu Aoki, Kazutoshi Miwa, Shin Ichi Towata, Shin Ichi Orimo

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


A single phase Mg(BH4)2 was successfully synthesized and its hydrogen storage properties were systematically investigated. Depending on the synthesis conditions, Mg(BH4)2 forms low- and high-temperature phases with different crystal structures. The dehydriding reaction of Mg(BH4)2 starts at approximately 500 K. and 14.4mass% of hydrogen is released through a multi-step reaction. Furthermore 6.1 mass% of hydrogen can be rehydrided for the sample of Mg(BH4) 2 after the dehydriding reaction, through the formation of a possible intermediate compound such as MgB12H12.

Original languageEnglish
Pages (from-to)2224-2228
Number of pages5
JournalMaterials Transactions
Issue number10
Publication statusPublished - Oct 1 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

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


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