High-energy-density polymer dielectrics via compositional and structural tailoring for electrical energy storage

Rui Cheng; Yifei Wang; Rujia Men; Zhipeng Lei; Jiancheng Song; Yuanyuan Li; Meiqing Guo

doi:10.1016/j.isci.2022.104837

High-energy-density polymer dielectrics via compositional and structural tailoring for electrical energy storage

iScience. 2022 Aug 2;25(8):104837. doi: 10.1016/j.isci.2022.104837. eCollection 2022 Aug 19.

Authors

Rui Cheng^{1

2}, Yifei Wang³, Rujia Men^{1

2}, Zhipeng Lei^{1

2}, Jiancheng Song^{1

2}, Yuanyuan Li^{1

2}, Meiqing Guo⁴

Affiliations

¹ National & Provincial Joint Engineering Laboratory of Mining Intelligent Electrical Apparatus Technology, Taiyuan University of Technology, Taiyuan, Shanxi 030024, P.R. China.
² College of Electrical and Power Engineering, Taiyuan University of Technology, No.79 West St Yingze, Taiyuan, Shanxi 030024, P.R. China.
³ Electrical Insulation Research Center, Institute of Materials Science, University of Connecticut, 97 N Eagleville Road, Storrs, CT 06269, USA.
⁴ College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, P.R. China.

Abstract

Dielectric capacitors with higher working voltage and power density are favorable candidates for renewable energy systems and pulsed power applications. A polymer with high breakdown strength, low dielectric loss, great scalability, and reliability is a preferred dielectric material for dielectric capacitors. However, their low dielectric constant limits the polymer to achieve satisfying energy density. Therefore, great efforts have been made to get high-energy-density polymer dielectrics. By compositional and structural tailoring, the synergic integrations of the multiple components and optimized structural design effectively improved the energy storage properties. This review presents an overview of recent advancements in the field of high-energy-density polymer dielectrics via compositional and structural tailoring. The surface/interfacial engineering conducted on both microscale and macroscale for polymer dielectrics is the focus of this review. Challenges and the promising opportunities for the development of polymer dielectrics for capacitive energy storage applications are presented at the end of this review.

Keywords: Electrochemical energy storage; Energy materials; Materials science; Polymers.

Publication types

Review