Electrochemical performance of LaNi5−xSnx alloys

Electrochemical hydrogenation properties of LaNi4.6Zn0.4−Sn alloys

“…The The unit-cell dimensions of the tested alloys, determined from XRD data (Table 1) well correlate with earlier results of our team found for ternary LaNi 4.6 Zn 0.4 alloy [31,32]. On the other hand, the dimensions presented in Table 1 somewhat less correlate with literature data for LaNi 4.6 Sn 0.4 alloy [20,22]. For the LaNi 4.6 Sn 0.4 alloy, the differences between the lattice parameters defined by us and available in literature [20,22] are 0.031 -0.034 Å (for lattice parameter a) and 0.033 -0.042 Å (for lattice parameter c).…”

“…On the other hand, the dimensions presented in Table 1 somewhat less correlate with literature data for LaNi 4.6 Sn 0.4 alloy [20,22]. For the LaNi 4.6 Sn 0.4 alloy, the differences between the lattice parameters defined by us and available in literature [20,22] are 0.031 -0.034 Å (for lattice parameter a) and 0.033 -0.042 Å (for lattice parameter c). Such discrepancies may result from differences in the composition of the phases, (phase composition given in the cited papers was not confirmed by chemical nor EPMA analysis).…”

“…In the literature exist numerous data relating crystal structure, hydrogenation and electrochemical properties for ternary solid solutions of LaNi 5-x Sn x type [20][21][22][23][24]. The number of papers under LaNi 5-x Zn x storage alloys is greatly lower [6,9].…”

Hydrogen Gas Phase and Electrochemical Hydriding of LaNi5−xMx (M = Sn, Co, Al) Alloys

“…Another element that is widely used as a substitute for Ni and has a very good effect of hydrogen storage properties of LaNi 5 is Sn. Typical alloys that have been studied are represented by the general formula LaNi 4−x Sn x , where x varies in the range 0 ≤ x ≤ 0.5 [12][13][14][15]. The effect of tin addition was first evaluated for gas storage, showing that the prepared alloys have a larger unit cell volume compared to LaNi 5 and a significant decrease of the plateau pressure which enhanced hydrogen storage properties [13][14][15].…”

Influence of tin on the electrochemical and gas phase hydrogen sorption in Mg2−xSnxNi (x=0, 0.1, 0.3)

“…It is well known that Sn increases the corrosion resistance of magnesium alloys. Additionally, it was found that substitution of Sn for Ni in LaNi 5 provides dramatic improvement in the stability of the ternary hydride during hydrogen absorption/desorption cycling as well as has beneficial effect on the cycling lifetime, capacity and kinetics of the AB 5 -type metal hydride electrodes [20][21][22].…”