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

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

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

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
Volume49
Issue number10
DOIs
Publication statusPublished - Oct 1 2008
Externally publishedYes

Fingerprint

Borohydrides
borohydrides
Hydrogen storage
Magnesium
magnesium
Hydrogen
hydrogen
synthesis
Crystal structure
Temperature
crystal structure

All Science Journal Classification (ASJC) codes

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

Cite this

Synthesis and hydrogen storage properties of a single-phase magnesium borohydride Mg(BH4)2. / Li, Haiwen; Kikuchi, Kentaro; Sato, Toyoto; Nakamori, Yuko; Ohba, Nobuko; Aoki, Masakazu; Miwa, Kazutoshi; Towata, Shin Ichi; Orimo, Shin Ichi.

In: Materials Transactions, Vol. 49, No. 10, 01.10.2008, p. 2224-2228.

Research output: Contribution to journalArticle

Li, H, Kikuchi, K, Sato, T, Nakamori, Y, Ohba, N, Aoki, M, Miwa, K, Towata, SI & Orimo, SI 2008, 'Synthesis and hydrogen storage properties of a single-phase magnesium borohydride Mg(BH4)2', Materials Transactions, vol. 49, no. 10, pp. 2224-2228. https://doi.org/10.2320/matertrans.MA200807
Li, Haiwen ; Kikuchi, Kentaro ; Sato, Toyoto ; Nakamori, Yuko ; Ohba, Nobuko ; Aoki, Masakazu ; Miwa, Kazutoshi ; Towata, Shin Ichi ; Orimo, Shin Ichi. / Synthesis and hydrogen storage properties of a single-phase magnesium borohydride Mg(BH4)2. In: Materials Transactions. 2008 ; Vol. 49, No. 10. pp. 2224-2228.
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