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Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

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Published on: September 19, 2020

Poly(arylene ether nitrile) Based Dielectrics with High Energy Storage Properties: A Review.

Yongxian Liu¹, Guangjun Liu¹, Yayao Jiao¹

¹School of Chemical Engineering, Northwest University, Xi'an 710069, China.

Nanomaterials (Basel, Switzerland)

|May 13, 2025

Summary

Polymer nanocomposites enhance dielectric energy storage with tunable high energy density. Poly(arylene ether nitrile) (PEN) composites offer superior performance through molecular engineering and microstructural design for advanced pulse power equipment.

Keywords:

PEN composites breakdown strength dielectric constant energy density

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Area of Science:

Materials Science
Polymer Science
Energy Storage

Background:

Polymer-based nanocomposites are crucial for dielectric energy storage, offering tunable energy density and charge-discharge efficiency.
Poly(arylene ether nitrile) (PEN) possesses excellent thermal stability, mechanical strength, and dielectric properties, making it ideal for high-performance energy storage devices.

Purpose of the Study:

This review explores strategies to enhance the dielectric energy storage performance of PEN-based composites.
It focuses on molecular engineering, microstructural design, and interface regulation for improved performance.

Main Methods:

Review of molecular engineering approaches.
Analysis of microstructural design strategies.
Investigation of multiscale interface regulation mechanisms.
Examination of thermal stretching for optimizing dielectric constant (εr) and breakdown strength (Eb).

Main Results:

PEN-based composites show significant potential for high-performance dielectric energy storage.
Strategies like molecular engineering and thermal stretching can optimize dielectric properties.
Interface regulation is key to balancing dielectric/insulating properties.

Conclusions:

Advancements in PEN-based composites are vital for miniaturizing and intellectualizing advanced pulse power equipment.
Future research should focus on dynamic balance mechanisms and novel composite systems for high energy storage density and stability.