Pyrene tetraone functionalized carbonyl-rich highly extended-conjugated polyimide-linked based porous polymer as a high performance organic cathode material for Mg-ion batteries

Key Points

• Organic cathode material shows high performance in magnesium-ion batteries, potentially improving energy storage.
• The use of pyrene tetraone and polyimide in the cathode increased charge capacity significantly—up to 200 mAh/g.
• Assessment of electrochemical properties demonstrated enhanced performance using a porous polymer approach for energy storage.
• This promising material calls for further exploration to fully establish effectiveness in practical applications.