Systematic investigation of mechanically alloyed Ti-Mg-Ni used as negative electrode in Ni-MH battery

In this study, a series of Ti-Mg-Ni alloys have been synthesized by mechanical alloying using a planetary high-energy ball mill. The effect of varied composition on the microstructure and electrochemical hydrogenation properties of Ti-Mg-Ni system have been investigated through the compared analysis...

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Bibliographic Details
Published in:Journal of solid state electrochemistry 2018-06, Vol.22 (6), p.1669-1676
Main Authors: Zhang, Z., Elkedim, O., Zhang, M., Bassir, D.
Format: Article
Language:English
Subjects:
Alloy systems
Alloying effects
Analytical Chemistry
Ball milling
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Composite materials
Composition effects
Condensed Matter Physics
Discharge
Electrochemical analysis
Electrochemistry
Energy consumption
Energy Storage
Engineering Sciences
Humanities and Social Sciences
Materials
Mechanical alloying
Metal hydrides
Methods and statistics
Original Paper
Physical Chemistry
Rechargeable batteries
Titanium base alloys
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Summary:In this study, a series of Ti-Mg-Ni alloys have been synthesized by mechanical alloying using a planetary high-energy ball mill. The effect of varied composition on the microstructure and electrochemical hydrogenation properties of Ti-Mg-Ni system have been investigated through the compared analysis of Ti 1-x MgNi x and TiMg 1-x Ni x alloys. The structural transformation and discharge capacities were characterized by XRD and electrochemical measurements at galvanostatic conditions, respectively. Additionally, a separate milling process has been employed for improving the electrochemical properties of Ti-Mg-Ni alloys. It is shown that the separated milling process can extremely enhance the discharge capacities of Ti-Mg-Ni composite materials.
ISSN:1432-8488
1433-0768
DOI:10.1007/s10008-017-3871-1