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Start Over Author "Li, Yi-Ming" Journal advanced materials research
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10. Hydriding Characterization of La2Mg17-Ni Composite Materials by Mechano-Synthesis

Author

Liu, Zhuo Cheng, Ren, Hui Ping, Li, Yi Ming, Hu, Feng, Zhao, Zeng Wu, and Gu, Rui Chun

Abstract

In order to improve the hydrogen storage performance of La2Mg17 alloy, with high energy ball-milling in argon atmosphere prepared La2Mg17-Ni composite materials, and mixed in a little NbF5. Through automatSubscript textic control Sieverts equipment tested hydrogen absorption kinetic characteristics of sample. X-ray diffraction (XRD) analyzed the microstructure of material after hydrogenated, and estimated the phase composition of hydrogenated powder material. The results showed that hydrogen storage properties of composite materials improved significantly because of the mechanical ball-milling approach, and the hydrogenated capabilities also increased dramatically with rising of temperature. Further explained the material hydriding property is largely ameliorate because of the Ni powder and NbF5 prompted amorphous or nanocrystalline particle formation, but temperature controlling the generation of new hydride phase is as well the reason of hydrogenated performance to advance.

Published
2013
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