Regular paperEffects of Al-substitution on hydriding reaction rates of LaNi5-xAlx
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Cited by (19)
Thermodynamic analysis of La and Mm based metal hydride pairs for solar energy-driven cold storage applications
2024, Thermal Science and Engineering ProgressAbsorption based solid state hydrogen storage system: A review
2022, Sustainable Energy Technologies and AssessmentsCharacterization of metal hydrides for thermal applications in vehicles below 0 °C
2019, International Journal of Hydrogen EnergyCitation Excerpt :However, the effect of aluminum substitution on the reaction rate is discussed controversy in literature. Whereas some authors state a decreasing effect on the intrinsic kinetics, such as [29–31], others suggest an increasing effect, e.g. Refs. [22,28,32,33]. The results of this work will be discussed against this background.
Hydrogen sorption in the LaNi<inf>5-x</inf>Al<inf>x</inf>-H system (0 ≤ x ≤ 1)
2015, IntermetallicsCitation Excerpt :Nevertheless, a clear evidence of the loss of disproportionation effects in LaNi5 because of the addition of Al is reported in this paper. PCI experiments on LaNi5-xAlx (0 ≤ x ≤ 1) have been extensively performed by different authors [19,21,40–45] considering temperatures between 298 and 473 K, as summarized in Table 1. It is worth noting that even if slight differences can be observed among results of different authors and even if, due to hysteresis effects, relevant discrepancies between the equilibrium pressure for absorption and desorption are present, a general agreement on plateau pressures was obtained.
The Gd-Ni-Al system: Phases formation and isothermal sections at 500 C and 800 C
2014, IntermetallicsCitation Excerpt :The synthesis, structure and properties of R–Ni and R–Ni–Al alloys are of growing interest for fundamental aspects as well as for potential applications in various technological fields, because of their typical properties. These alloys are generally recognised as members of the hydrogen absorption alloy family [1–3]: the hydrogen sorption properties of GdNi5−xAlx (0 < x ≤ 3) and NdNi5−xAlx have been reported in Refs. [4,5], besides in Ref. [6] results about structural and hydrogen sorption of the same systems are presented. Moreover, Al-based amorphous alloys based on Al-transition metal-rare earth systems, are promising candidates as structural materials for industrial applications because of their high specific strength combined with good bending ductility [7,8].