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access icon openaccess Polypropylene nanocomposite for power equipment: a review

This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Received 05/02/2018, Accepted 05/06/2018, Revised 23/04/2018, Published 13/06/2018

Polypropylene (PP), with high breakdown strength, low dissipation and good processibility, is one of the most widely used dielectric material for power equipment, especially in power capacitors and power cables. The improvement of PP-based dielectric material can benefit the properties enhancement of power capacitors and cables, and thus to meet with the rapid development of the power system. Nanocomposite provided a promising orientation to reach the target and recent research approaches of PP nanocomposite for power equipment were reviewed in this paper. In this paper, we linked the nanofillers to the improved properties of PP nanocomposite, and categorised the research works into nanoclay/PP composites, metal oxide/PP nanocomposite, conductive particles/PP nanocomposite, and PP core–shell nanocomposites chronologically, corresponding to the enhanced thermal and mechanical property, breakdown strength property and energy storage property, respectively. Based on the achieved approaches, prospective for future research was proposed, providing a worth-considering direction for the future work.

Inspec keywords: core-shell nanostructures; filled polymers; electric strength; clay; particle reinforced composites; reviews; dielectric materials; nanocomposites; electric breakdown

Other keywords: nanofillers; energy storage property; thermal property; nanoclay; metal oxide; polypropylene core–shell nanocomposites; review; power cables; power capacitors; mechanical property; conductive particles; power equipment; breakdown strength; dielectric material

Subjects: Other methods of nanofabrication; Preparation of reinforced polymers and polymer-based composites; Dielectric breakdown and space-charge effects; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials; Reviews and tutorial papers; resource letters

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