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Polymer dielectrics-based capacitors are indispensable to the development of increasingly complex, miniaturized and sustainable electronics and electrical systems. However, the current polymer dielectrics are limited by their relatively low discharged energy density, efficiency and poor high-temperature performance. Here, we review the recent advances in the development of high-performance polymer and composite dielectrics for capacitive energy storage applications at both ambient and elevated temperature (≥ 150 °C). We highlight the underlying rationale behind the material development by constructing the relationship between the physical properties of materials and their energy-storage capability. Challenges and future opportunities are discussed at the end of the review.


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Recent progress on dielectric polymers and composites for capacitive energy storage

Show Author's information Zhubing HanQing Wang( )
Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA

Abstract

Polymer dielectrics-based capacitors are indispensable to the development of increasingly complex, miniaturized and sustainable electronics and electrical systems. However, the current polymer dielectrics are limited by their relatively low discharged energy density, efficiency and poor high-temperature performance. Here, we review the recent advances in the development of high-performance polymer and composite dielectrics for capacitive energy storage applications at both ambient and elevated temperature (≥ 150 °C). We highlight the underlying rationale behind the material development by constructing the relationship between the physical properties of materials and their energy-storage capability. Challenges and future opportunities are discussed at the end of the review.

Keywords:

Energy storage, capacitors, dielectric polymers, composite dielectrics
Received: 19 December 2021 Revised: 12 March 2022 Accepted: 13 March 2022 Published: 25 March 2022 Issue date: March 2022
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Received: 19 December 2021
Revised: 12 March 2022
Accepted: 13 March 2022
Published: 25 March 2022
Issue date: March 2022

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