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Synergism of nano ZnO for improvement of hydrogen absorption performance of Ti–V-based alloys

Published online by Cambridge University Press:  01 October 2004

X.B. Yu ,
Q. Wan ,
Z. Wu ,
B.J. Xia  and
N.X. Xu
X.B. Yu*
Affiliation:
Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Q. Wan
Affiliation:
Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
Z. Wu
Affiliation:
Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
B.J. Xia
Affiliation:
Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
N.X. Xu
Affiliation:
Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

Effect of nano ZnO on the hydrogen absorption performance of Ti-30V-15Mn-15Cr alloy was investigated. It was found that a small amount addition of nano ZnO (3 wt%) drastically improves the hydrogen absorption property of this alloy powder. The modification enables the air-exposed powder to absorb hydrogen quickly without activation. It could be attributed to the synergetic action of nano ZnO, which might expedite the dissociation of hydrogen on the oxidized alloy surface and play as entrance for hydrogen into the bulk alloy. The fact that nano ZnO addition improves the hydrogen absorption performance of Ti-30V-15Mn-15Cr alloy pioneers a new way for developing highly active Ti-V-based body-centered-cubic phase alloys.

Keywords

AlloyAbsorptionNanoparticle
Type
Rapid Communications
Information
Journal of Materials Research , Volume 19 , Issue 10 , October 2004 , pp. 2799 - 2802
Copyright
Copyright © Materials Research Society 2004

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References

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