Table 1 Properties of graphene nanoplatelets adopted in the experiment.

From: Evaluation of graphene/crosslinked polyethylene for potential high voltage direct current cable insulation applications

Properties

Value

Appearance

Black powder

Purity

 > 98 wt%

Thickness

0.55–3.75 nm

Equivalent diameter

0.5–3 μm

Surface area

450–500 m2/g

Layers

 < 10

Conductivity

≈2 × 104 S/m

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