1987
DOI: 10.1016/0022-5088(87)90497-8
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Magnesium mechanical alloys for hydrogen storage

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Cited by 130 publications
(50 citation statements)
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“…Previously Mg 2 FeH 6 has been obtained by sintering Mg and Fe powders at high H 2 pressures (∼100 bar) and temperatures of the order of 500 • C for several days [1,2]. An improvement in the synthesis of Mg 2 FeH 6 was made when mechanical alloying (MA) was used to obtain the hydride [3][4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…Previously Mg 2 FeH 6 has been obtained by sintering Mg and Fe powders at high H 2 pressures (∼100 bar) and temperatures of the order of 500 • C for several days [1,2]. An improvement in the synthesis of Mg 2 FeH 6 was made when mechanical alloying (MA) was used to obtain the hydride [3][4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…Several routes to improve the H-sorption properties of magnesium have been explored: (a) alloying magnesium with transition metals, for example, Ni [5][6][7][8] or intermetallic compounds such as LaNi 5 and FeTi, to reduce the thermodynamic stability of magnesium [9][10][11][12][13], (b) alloying magnesium with transition metals such as Ti, Fe, Co, Zr, Nb, V and Pd to improve kinetics of the absorption or desorption of hydrogen [5,[14][15][16][17][18] and (c) chemical synthesising nanoparticles of magnesium doped with Ni [19]. These attempts resulted in improved MgH 2 H-sorption kinetics, however the dehydriding temperature was not below 330 • C and sometimes there was a dramatic loss of capacity.…”
Section: Introductionmentioning
confidence: 99%
“…They also exhibit catalytic activities in reactions involving hydrogen, as has been reported in numerous publications [1][2][3][4][5][6]. Until the mid-1980s, two methods for the preparation of intermetallic hydrides were known, namely, by hydrogenation of alloys obtained by the pyrometallurgical process [1][2][3] and via organomagnesium compounds [4].…”
mentioning
confidence: 95%
“…The drawbacks of the latter method are related to the poor practicability of processes involving organometallic compounds in industry. The hydride preparation method using so-called mechanical alloys obtained by mechanochemical activation of a mixture of two metals is free from these drawbacks [5]. These systems are readily hydrogenated without additional treatment and have a rather extensive specific surface area, and the energy expenditure for mechanical activation is much lower than in the pyrometallurgical method.…”
mentioning
confidence: 99%