Effect of 1.6 and 3.2 at.% additions of Al into LaNi4.5Co0.5 alloy on its gas phase hydrogenation (up to pH(2) = 10 bar), electrochemical discharge capacity (0.5C; 1 bar), exchange current density of H2O/H-2 system (6 M KOH) and parameters characterizing electrode corrosion behavior have been evaluated for temperature of 22 degrees C. The small Al additions clearly (ca 30%) increase the hydride capacity and do not affect- or slightly decrease the exchange current density of H2O/H-2 system. On the other hand, the Al-containing alloys are more resistant to corrosion in strong alkaline solution compared to the LaNi4.5Co0.5 precursor. (C) 2014 Elsevier B.V. All rights reserved.