Journal of Zhejiang University-SCIENCE A

, Volume 8, Issue 9, pp 1510–1513 | Cite as

Hydrogen storage properties of ball-milled Mg-based composite with PdCl2 additive

  • Wang Xiu-li 
  • Tu Jiang-ping 
  • Zhang Pei-long 
  • Zhao Xin-bing 
Article

Abstract

Mg-25 wt% Mg2Ni composite was prepared by sintered method, hydrided at 613 K and then ball-milled with 1.5 wt% PdCl2 additive for 51 h. The effects of PdCl2 on the hydriding and dehydriding behavior of Mg-25 wt% Mg2Ni composite were investigated. The absorption and desorption rate of the composite with PdCl2 is fast and the hydrogen storage capacity is more than that of the composite without PdCl2. The maximum hydrogen storage capacity reached 3.48 wt% at 373 K, and 5.05 wt% H at 453 K, respectively. The improvement of sorption and desorption kinetics is attributed to the catalytic effect of PdCl2, and the grain refining and lattice strain introduced by ball milling.

Key words

Hydrogen storage Mg-based composite PdCl2 additive Ball milling 

CLC number

TG139.7 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Wang Xiu-li 
    • 1
  • Tu Jiang-ping 
    • 1
  • Zhang Pei-long 
    • 2
  • Zhao Xin-bing 
    • 1
  1. 1.Department of Materials Science and EngineeringZhejiang UniversityHangzhouChina
  2. 2.State Key Laboratory for Advanced Metals and MaterialsUniversity of Science and Technology BeijingBeijingChina

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