Figure 4

SEM analysis of AC: (a) AC in 5μm, (b) AC in 50 μm, (c) AC modified with LiOH in 5 μm, and (d) AC modified with LiOH in 50 μm.

SEM analysis of AC: (a) AC in 5μm, (b) AC in 50 μm, (c) AC modified with LiOH in 5 μm, and (d) AC modified with LiOH in 50 μm.