Synergistic Regulation of Dual Monomers for Constructing High Bandgap and High Polarity Polyimide with High-Temperature Capacitive Energy Storage Performance

Key Points

• This research aims to enhance energy storage performance in capacitors using a novel high-bandgap polyimide.
• Synthesis of dual monomers to construct polyimide films
• Characterization of dielectric properties under high temperature
• Evaluation of capacitive energy storage performance
• High-bandgap polyimide films showed improved dielectric performance
• Significantly enhanced energy storage capacity at elevated temperatures
• Synergistic effects from dual monomer usage facilitated better overall performance