Figure 3

SEM images of (a) parent graphite and (b) EEG-4 (8000 rpm, 1 hour). (c) Bright-field optical microscopy of EEG-3 (1000 rpm, 16 hours). (d) Volumetric change of equivalent masses (0.2 g) of parent graphite on left and EEG-4 on right.

SEM images of (a) parent graphite and (b) EEG-4 (8000 rpm, 1 hour). (c) Bright-field optical microscopy of EEG-3 (1000 rpm, 16 hours). (d) Volumetric change of equivalent masses (0.2 g) of parent graphite on left and EEG-4 on right.