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http://dx.doi.org/10.4150/KPMI.2002.9.2.083

Improvement of Mg-based Hydrogen Storage Alloys by Mechanochemical Ball Milling  

안중호 (안동대학교 신소재공학부)
최영묵 (안동대학교 신소재공학부)
Publication Information
Journal of Powder Materials / v.9, no.2, 2002 , pp. 83-88 More about this Journal
Abstract
The mechanochemical milling of Mg and $Mg_2Ni$ alloys were carried out to examine the enhancement of hydrogen storage properties of Mg alloys. The hydroge characteristics of the ball-milled products were evaluated with a Sievert-type apparatus and electrochemical test. Various intermediate compounds were obtained by chemical reactions induced during the ball milling of Mg of $Mg_2Ni$ alloys with C, Ni, $Ni_2Cl$ and $Ca_2Cl$. The system of $Mg_2Ni$ with 10 wt% C improved markedly the kinetics of hydrogen absorption, while the hydrogen capacities were practically unchanged. The hydrogen storage alloys such as Mg-Ca can be successfully.
Keywords
Mechanical alloying; Hydrogen storage alloys; Mechanochemical processings; Mg alloys;
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