Enhanced Discharged Energy Density in Polyetherimide Composites by Boron Nitride/Aluminum Nitride Hybrid Fillers

Xudong Wu, Shiyi Gao, Xin Wu, Shuo Zhang, Zhijun Cao, Daniel Q. Tan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Flexible dielectric polymer composites occupy a significant position in electronic devices. However, many investigations focus on complicated synthetic methods to enhance the energy density of dielectrics. Developing simple and feasible strategy is meaningful and urgent for their acceptance to various applications. Herein, we utilize the high thermal conductivity and electrical insulation characteristic of Boron nitride and Aluminum nitride (BN/AIN) as the hybrid fillers for polyetherimide (PEl) matrix to increase dielectric constant and breakdown strength. This combination resulted in a high discharged energy density of 8.39 J/cm3 at 500 kV/mm with a high efficiency of 90.5% at a low filler fraction. This strategy provides a feasible option for a scalable manufacturing of high performance composite films in the future.
Original languageAmerican English
Title of host publication2021 22nd International Conference on Electronic Packaging Technology (ICEPT)
PublisherIEEE Canada
Pages1-3
Number of pages3
ISBN (Print)978-1-6654-1392-3
DOIs
StatePublished - 17 Sep 2021
Event2021 22nd International Conference on Electronic Packaging Technology (ICEPT) - Xiamen, China
Duration: 14 Sep 202117 Sep 2021

Conference

Conference2021 22nd International Conference on Electronic Packaging Technology (ICEPT)
Period14/09/2117/09/21

Keywords

  • Fabrication
  • Insulation
  • Dielectric constant
  • Boron
  • Electric breakdown
  • Films
  • Transfer functions

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