Figure 2

Typical SEM micrographs of (a) PP separator (×8000), (b) CN separator (×8000), (c) FCCN separator (×8000) and (d) FCCN separator (×20000).
Typical SEM micrographs of (a) PP separator (×8000), (b) CN separator (×8000), (c) FCCN separator (×8000) and (d) FCCN separator (×20000).