2011
DOI: 10.1016/j.jallcom.2011.02.085
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Gaseous and electrochemical hydrogen storage kinetics of nanocrystalline Mg2Ni-type alloy prepared by rapid quenching

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Cited by 20 publications
(8 citation statements)
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“…As was demonstrated by Zhang et al, the cooling rate as well as the Cu/Ni ratio significantly alters the dehydrogenation behaviour of RQ crystalline Mg-Ni-Cu alloys [9][10]. It was found that the substitution of Ni by Cu yields a notable increase in the hydrogen diffusion coefficient [11].…”
Section: Introductionmentioning
confidence: 93%
“…As was demonstrated by Zhang et al, the cooling rate as well as the Cu/Ni ratio significantly alters the dehydrogenation behaviour of RQ crystalline Mg-Ni-Cu alloys [9][10]. It was found that the substitution of Ni by Cu yields a notable increase in the hydrogen diffusion coefficient [11].…”
Section: Introductionmentioning
confidence: 93%
“…Mg 2 Ni intermetallic compound has been expecting to be used as negative electrode in Ni-MH batteries [1] owing to its abundance, light weight, low cost and high theoretical capacity (999 mAhg À1 ) [2]. However, the practical application of Mg 2 Ni alloy has been limited because of it high deterioration rate in alkaline electrolyte and low practical electrochemical capacity.…”
Section: Introductionmentioning
confidence: 99%
“…The hydrogen storage capacity of the hydride of Mg 2 Ni, Mg 2 NiH 4 , is about 3.6 wt%, which is better than that of other types of non-Mg-based metal hydrides [2,3]. Mg 2 Ni and its modified alloys have been getting more attention to be used as an on-board hydrogen storage medium or negative electrode in Ni-MH batteries [1,2,[7][8][9]. Previous efforts to decrease the desorption temperature and enhance the kinetics and cyclic life for Mg 2 Ni-type alloys have been systematically summarized and discussed in two recent reviews [1,2].…”
Section: Introductionmentioning
confidence: 99%
“…A few more attempts have recently been made to improve the hydrogen storage characteristics of Mg 2 Ni-type alloys, e.g. through techniques involving melt spinning, rapid quenching, wet ball milling, and alloying with other elements [7][8][9][10]. Although Mg 2 Ni usually has to absorb/desorb hydrogen at temperature higher than 200 • C, the plateau slope and cyclic stability characteristics expressed in the pressure-composition-isotherm (PCI) curves of Mg 2 Ni are good for practical applications [11,12].…”
Section: Introductionmentioning
confidence: 99%