This research demonstrates improved cycling stability and reaction kinetics in zinc-ion batteries with intercalated organic molecules.
Key Points
The study aims to enhance the electrochemical performance of vanadium-based cathodes in aqueous zinc-ion batteries through organic molecule intercalation.
Developed saccharin-intercalated vanadium oxide hydrate (Sac-V2O5) as a new cathode material.
Investigated the effects of intercalation on vanadium oxide structure and properties.
Measured electrochemical performance, including specific capacity and cycling stability.
Achieved a specific capacity of 357 mAh g–1 at a discharge rate of 0.5 A g–1.
Maintained 98.5% capacity retention after 3000 cycles at 10.0 A g–1.
Demonstrated superior performance at low temperatures (−20 °C) with 98.7% capacity retention over 1000 cycles at 2 A g–1.