Effects of ball milling and additives on dehydriding behaviors of well-crystallized Mg(BH4)2

H. W. Li, K. Kikuchi, Y. Nakamori, K. Miwa, S. Towata, S. Orimo

Research output: Contribution to journalArticlepeer-review

156 Citations (Scopus)

Abstract

Well-crystallized Mg(BH4)2 was chemically synthesized and the effect of ball milling and Ti-based additives on the dehydriding properties were investigated. The dehydriding reaction of the as-synthesized Mg(BH4)2 initiates at approximately 535 K and about 13.7 mass% of hydrogen is desorbed. Compared with the as-synthesized Mg(BH4)2, few changes are observed in the samples after ball milling, while the initial dehydriding temperature of Mg(BH4)2 is significantly reduced by the addition of TiCl3, i.e. from 535 K down to 361 K.

Original languageEnglish
Pages (from-to)679-682
Number of pages4
JournalScripta Materialia
Volume57
Issue number8
DOIs
Publication statusPublished - 2007 Oct

Keywords

  • Borohydride
  • Hydrides
  • Hydrogen
  • Hydrogen desorption
  • Hydrogen storage

ASJC Scopus subject areas

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

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