Thermally self-crosslinkable polyetherimide dielectrics with superior hightemperature energy storage efficiency

Key Points

• Evaluate the performance of thermally self-crosslinkable polyetherimide dielectric films at high temperatures.
• Developed a series of polyetherimide films.
• Tested dielectric performance under extreme thermal conditions.
• Assessed energy storage efficiency of materials.
• Polyetherimide films showed superior dielectric properties at elevated temperatures.
• Optimized thermal crosslinking improved energy storage efficiency significantly.
• The films demonstrated stability and performance under conditions mimicking aerospace applications.