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The synthesis and hydrogen storage properties of Mg2Ni substituted with Cu, Co

Published online by Cambridge University Press:  31 January 2011

Yu’an Chen ,
Hua Huang ,
Jie Fu ,
Qing Guo ,
Fusheng Pan ,
Shiping Deng ,
Jiaming Li  and
Guangming Zhao
Yu’an Chen*
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China; and National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
Hua Huang*
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China; and National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
Jie Fu
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China; and National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
Qing Guo
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China
Fusheng Pan
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China; and National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
Shiping Deng
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China; and National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
Jiaming Li
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China; and National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
Guangming Zhao
Affiliation:
Chongqing Instrument Materials Research Institute, Chongqing, 400700, People’s Republic of China
*
a) e-mail: chenyuan@cqu.edu.cn
b) e-mail: hh1983@126.comThis paper was selected as an Outstanding Symposium Paper for the 2008 International Materials Research Conference, Symposium H.
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Abstract

Mg2Ni1-xCux (x = 0, 0.2, 0.4) and Mg2Ni1-yCoy (y = 0, 0.2, 0.4) were successfully synthesized via two steps: induction melting and then ball milling. The component and microstructure of the alloys were determined with x-ray diffraction (XRD) and scanning electron microscopy/x-ray energy-dispersive spectrometry (SEM/XEDS). Mg2Ni phase was observed in all 5 alloys. When the amount of Cu was increased, it led to the formation of phase from Mg2Cu to Cu11Mg10Ni9. Co2Mg was detected in the Co-containing alloys. The hydrogen absorption/desorption properties were tested with p-C-T measurement apparatus, and the results showed that the gaseous storage properties of the alloys were improved by the addition of Cu or Co.

Keywords

HydrogenationMg
Type
Articles
Information
Journal of Materials Research , Volume 24 , Issue 4 , April 2009 , pp. 1311 - 1316
Copyright
Copyright © Materials Research Society 2009

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