Atomic Force Microscopy for Understanding Solvent Cointercalation into Graphite Electrode in Lithium Secondary Batteries

Figure 4

In situ AFM image of an expanded area (10 × 10 μm²) of the HOPG basal plane surface obtained at 2.9 V after the first cycle of CV. The dotted square shows the area observed after the first cycle in Figure 2(b).