In-Cell Electropolymerization of 10-(N-Pyrrolyl)phenoxazine into a Phenoxazine-Grafted Polypyrrole Cathode for High-Voltage and Ultrastable Li-Ion Batteries

Key Points

• This research aims to develop a stable organic electrode material to enhance lithium-ion battery performance.
• Designed a novel electropolymerizable molecule, phenoxazine-functionalized polypyrrole.
• Conducted electropolymerization in cells to create a grafted cathode.
• Evaluated the electrochemical performance under high-voltage conditions.
• Improved cycling stability observed, with significant reduction in dissolution during operation.
• Enhanced operating voltage capabilities achieved compared to conventional organic materials.