Correlation study between hydrogen absorption property and lattice structure of Mg-based BCC alloys

Huaiyu Shao, Kohta Asano, Hirotoshi Enoki, Etsuo Akiba

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Nanostructured Mg60Ni5ComX35 - m (X = Co, B, Al, Cr, V, Pd and Cu) body centered cubic (BCC) alloys were synthesized by mechanical alloying method. These Mg-based alloys with different lattice parameters can show significantly different hydrogen absorption properties. The BCC alloys with lattice parameter in the range of 0.300∼0.308 nm absorb large amount of hydrogen at 373 K and the BCC alloys with the parameter larger than 0.313 nm have difficulty to absorb hydrogen at this temperature. Geometric effect is thought to be one of the dominant factors to affect the hydrogen absorption property of interstitial alloys. Nanostructure, fresh surface area and defects produced during mechanical alloying process are also important facts that make Mg-based alloys absorb hydrogen at 373 K.

Original languageEnglish
Pages (from-to)2312-2318
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume34
Issue number5
DOIs
Publication statusPublished - Mar 1 2009

Fingerprint

Hydrogen
hydrogen
Mechanical alloying
alloying
Lattice constants
lattice parameters
Nanostructures
interstitials
Defects
defects
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Correlation study between hydrogen absorption property and lattice structure of Mg-based BCC alloys. / Shao, Huaiyu; Asano, Kohta; Enoki, Hirotoshi; Akiba, Etsuo.

In: International Journal of Hydrogen Energy, Vol. 34, No. 5, 01.03.2009, p. 2312-2318.

Research output: Contribution to journalArticle

Shao, Huaiyu ; Asano, Kohta ; Enoki, Hirotoshi ; Akiba, Etsuo. / Correlation study between hydrogen absorption property and lattice structure of Mg-based BCC alloys. In: International Journal of Hydrogen Energy. 2009 ; Vol. 34, No. 5. pp. 2312-2318.
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