Hydrolysis reaction of ball-milled Mg-metal chlorides composite for hydrogen generation for fuel cells

Shuang Wang, Li Xian Sun*, Fen Xu, Cheng Li Jiao, Jian Zhang, Huai Ying Zhou, Feng Lei Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

71 Citations (Scopus)

Abstract

In this paper, the hydrolysis properties for hydrogen generation by Mg-metal chlorides composites in pure water are investigated. The composites were prepared by high energy ball milling. It is found that the Mg-metal chlorides composites are very promising for hydrogen generation by hydrolysis reaction. The micro-galvanic cell formed by Mg and the other metal which produced by replacement reaction occurred during the ball-milling process is very effective for improving the hydrolysis reactivity. Based on the investigations of different kinds of chlorides additives, it is found that the Mg-10 wt% FeCl3 composite ball-milled for 30 min has the best hydrolysis properties with an initial hydrogen generation rate of 1479.1 ml*g-1 min-1 and a theoretical hydrogen production yield of 98% in 2 min.

Original languageEnglish
Pages (from-to)6771-6775
Number of pages5
JournalInternational Journal of Hydrogen Energy
Volume37
Issue number8
DOIs
Publication statusPublished - Apr 2012

Keywords

  • Ball milling
  • Hydrogen generation
  • Hydrolysis reaction
  • Kinetics
  • Mg-based-material

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