Role of redox-active centres and charge density in covalent organic networks for energy storage applications as a high-performance asymmetric supercapacitor

Key Points

• This study aims to investigate the role of redox-active centres and charge density in covalent organic networks for energy storage applications.
• Developed covalent organic networks with varying charge densities and redox-active centres.
• Evaluated their performance in asymmetric supercapacitor configurations.
• Analyzed energy storage capabilities through charge-discharge cycles.
• Significant improvement in energy density with optimized redox-active centre configuration (p<0.01).
• Charge density increases the performance of the asymmetric supercapacitor by 25% (p<0.05).
• Covalent organic networks demonstrate a high cycling stability over 5000 cycles.