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High-Temperature All-Organic Polymer Dielectrics for Capacitive Energy Storage.

Yao Zhou1, Yuhan Chen1, Lu Cheng1

  • 1State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China.

Advanced Materials (Deerfield Beach, Fla.)
|December 5, 2025
PubMed
Summary
This summary is machine-generated.

High-temperature polymer dielectrics are crucial for advanced energy storage. This review explores molecular design for high-performance polymer dielectrics under extreme thermal and electrical stress.

Keywords:
all‐organic polymer dielectricscapacitive energy storagecapacitorshigh temperaturemolecular designstructural engineering

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Electrical Engineering

Background:

  • Polymer dielectrics are essential for high-energy-density capacitors, offering advantages like flexibility and processability.
  • Limited operating temperatures of current polymer dielectrics hinder applications in demanding fields like electrified transportation and aerospace electronics.
  • There's a growing need for polymer dielectrics that maintain high energy storage performance under combined thermal and electrical stress.

Purpose of the Study:

  • To review recent advancements in high-temperature all-organic polymer dielectrics for capacitive energy storage.
  • To provide insights into molecular design and structural engineering for extreme condition applications.
  • To critically evaluate current approaches and identify future opportunities.

Main Methods:

  • Literature review of high-temperature all-organic polymer dielectrics.
  • Analysis of structure-property relationships for dielectric performance.
  • Evaluation of energy storage capabilities under thermal and electrical stress.

Main Results:

  • Key structural parameters influencing capacitive behavior were discussed.
  • The interplay between molecular structure, dielectric properties, and energy storage performance was emphasized.
  • Current strategies for developing high-temperature polymer dielectrics were critically assessed.

Conclusions:

  • High-temperature polymer dielectrics are vital for next-generation energy storage systems.
  • Molecular design and structural engineering are key to overcoming temperature limitations.
  • Further research is needed to develop robust polymer dielectrics for reliable high-temperature energy storage.