Figure 4
From: Graphene Oxide Induced Surface Modification for Functional Separators in Lithium Secondary Batteries
Photograph of (a) GO coating depending on the separators, (b) dewetted GO solution on the conventional separator and (c) completely wetted GO solution on the surface modified separator during the doctor blade casting. SEM images of (d) red marked region and (e) blue marked region in (a). SEM and EDX images of (f) oxidized carbon nanotube, (g) Ag nanoparticles coated separator.
