Figure 3

Space charge distribution of graphene/XLPE samples: (a) XLPE, (b) XLPE + 0.002 wt% graphene, (c) XLPE + 0.004 wt% graphene, (d) XLPE + 0.006 wt% graphene, (e) XLPE + 0.008 wt% graphene, (f) XLPE + 0.01 wt% graphene.

Space charge distribution of graphene/XLPE samples: (a) XLPE, (b) XLPE + 0.002 wt% graphene, (c) XLPE + 0.004 wt% graphene, (d) XLPE + 0.006 wt% graphene, (e) XLPE + 0.008 wt% graphene, (f) XLPE + 0.01 wt% graphene.