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

Figure 7

Space charge behaviors of neat LDPE and LDPE/GNP-T nanocomposites under DC electric field of 50 kV/mm, measured by PEA method, and electric field distribution after application of stress for 3,600 seconds. (a) Neat LDPE, (b) 0.01 wt%, (c) 0.03 wt%, (d) 0.05 wt%, and (e) 0.1 wt% GNP-T containing LDPE nanocomposites.