Research Article

Effects of Magnesium Content on Structure and Electrochemical Properties of La-Mg-Pr-Al-Mn-Co-Ni Hydrogen Storage Alloys

Figure 1

SEM micrographs showing a general view of the alloys investigated: (a) La0.7Pr0.3Al0.3Mn0.4Co0.5Ni3.8; (b) La0.6Mg0.1Pr0.3Al0.3Mn0.4Co0.5Ni3.8; (c) La0.4Mg0.3Pr0.3Al0.3Mn0.4Co0.5Ni3.8; (d) La0.2Mg0.5Pr0.3Al0.3Mn0.4Co0.5Ni3.8; (e) Mg0.7Pr0.3Al0.3Mn0.4Co0.5Ni3.8.