Polyethylene/Graphene Nanoplatelet Nanocomposite-Based Insulating Materials for Effective Reduction of Space Charge Accumulation in High-Voltage Direct-Current Cables

Figure 1

Photographs of (a) LDPE pellets, (b) GNP powders, and (c) RAM equipment employed for mixing them. (d) Photograph of GNP-coated LDPE pellets. SEM image of (e) GNP-coated LDPE pellet surface and (f) higher magnification SEM image. (g) Photograph of LDPE/GNP nanocomposite with 0.1 wt% pristine GNP filler content and (h) optical microscope image of same.

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