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Dielectric polymers are critical to meet the increasing demands for high-energy-density capacitors operating in harsh environments, such as aerospace power conditioning, underground oil and gas exploration, electrified transportation, and pulse power systems. In this perspective article, we present an overview of the recent progress in the field of polymer dielectrics for high temperature capacitive energy storage applications. Particular attention is placed on the underlying physical mechanisms of the rational design and the material structure–dielectric property–capacitive performance relationship. The scientific and technological challenges that remain to be addressed and the opportunities for future research are also presented.
Zhou et al. (Tue,) studied this question.