Hydrogen absorption-desorption characteristics of mischmetal-nickel-aluminum alloys
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Absorption based solid state hydrogen storage system: A review
2022, Sustainable Energy Technologies and AssessmentsCitation Excerpt :Therefore, the equilibrium pressure may vary from one sample to another. Osumi et al. [193] was first to investigate the hydrogenation/dehydrogenation characteristics of mischmetal-nickel-aluminum alloys MmNi5-xAlx (x = 0.25 to 0.5) by varying Al content. The dissociation pressure changed with aluminium content and was lower than the value of MmNi5 hydride as there was increase in Al content.
Performance tests on metal hydride based hydrogen storage devices
2013, International Journal of Hydrogen EnergyCitation Excerpt :It is also observed that the maximum hydrogen storage capacity of 2.5 wt% is observed at 20 bar supply pressure and 150 °C absorption temperature. Unlike the conventional hydrides [3,6,8–10], the hydrogen storage capacity of Mg + 30% MmNi5 at supply pressure 20 bar is found to increase from 1.94 wt% at 120 °C to 2.5 wt% at 150 °C absorption temperatures. This is mainly due to conversion of Mg into hydride phase at higher absorption temperatures [22].
Introduction of large-sized nickel-metal hydride battery GIGACELL® for industrial applications
2013, Journal of Alloys and CompoundsCitation Excerpt :Hydrogen storage material is a good medium to store gaseous hydrogen at a normal pressure and ambient temperature, which provides a possible new way to design various energy storage systems [1–3]. A nickel–metal hydride (Ni–MH) battery has been developed using a combination of hydrogen storage alloys and battery technologies [4–6]. This battery has two times a higher energy density and fewer environmental problems than the Ni–Cd battery.
Structural, hydrogen storage and thermodynamic properties of some mischmetal-nickel alloys with partial substitutions for nickel
2009, Journal of Alloys and CompoundsHydrogen absorption/desorption properties of MmNi<inf>4.5</inf>Cr<inf>0.5-x</inf>Zr<inf>x</inf> alloys
2009, Journal of Alloys and CompoundsInfluence of aluminium content on the dynamic characterstics of mischmetal based hydrogen storage alloys
2009, Journal of Alloys and Compounds