Figure 5

FESEM images of(a) the β-MnO2 nanowires, (b) the LiNi0.5Mn1.5O4 nanorods, (c) the pristine graphene nanosheets and (d) the LiNi0.5Mn1.5O4-graphene composite.
FESEM images of(a) the β-MnO2 nanowires, (b) the LiNi0.5Mn1.5O4 nanorods, (c) the pristine graphene nanosheets and (d) the LiNi0.5Mn1.5O4-graphene composite.