Research report on high dielectric material energy storage

Are nanostructured dielectric materials suitable for high-temperature capacitive energy storage applications?

This article presents an overview of recent progress in the field of nanostructured dielectric materials targeted for high-temperature capacitive energy storage applications. Polymers, polymer nanocomposites, and bulk ceramics and thin films are the focus of the materials reviewed.

Do polymer dielectrics have high energy storage performance at high temperatures?

The temperature stability of polymer dielectrics plays a critical role in supporting their performance operation at elevated temperatures. For the last decade, the investigations for new polymer dielectrics with high energy storage performance at higher temperatures (>200 °C) have attracted much attention and numerous strategies have been employed.

Which dielectrics have high energy storage capacity?

Due to the vast demand, the development of advanced dielectrics with high energy storage capability has received extensive attention , , , . Tantalum and aluminum-based electrolytic capacitors, ceramic capacitors, and film capacitors have a significant market share.

Are high-temperature dielectric films suitable for energy storage?

Summary of high-temperature dielectric films recently developed for energy storage. Crosslinking is a good strategy to limit the molecular chain motion and is studied in several published works, demonstrating the reduced dielectric relaxation, improved breakdown strength, and efficiency of the film capacitors.

What are the technical issues affecting dielectric polymer films?

However, many aspects of the technical issues are yet to be explored, such as the influence of coating thickness, the work function of coating materials, dielectric constant and loss on coated polymer films, etc. In summary, the manufacturing technique for dielectric polymer films is improved quite a lot in the last two decades.

Is there a conflict of interest in polymer dielectric materials?

Conclusive insights and future perspectives are delineated to offer strategic direction for the ongoing and prospective innovation in polymer dielectric materials. The authors declare no conflict of interest. Dielectric Polymer Materials for High-Density Energy Storage), William Andrew Publishing, Norwich, NY 2018, p. 434.