Dual-Ion Pre-Intercalated Vanadium Oxides Derived from V4AlC3 MAX via HF-Free Synthesis for Aqueous Zinc-Ion Batteries

Key Points

• The research aims to develop dual-ion pre-intercalated vanadium oxides for improved cathode performance in aqueous zinc-ion batteries.
• Utilized HF-free synthesis techniques to create vanadium oxides from V4AlC3 MAX phases
• Characterized the structural and electrochemical properties of the synthesized materials
• Compared the performance of the new cathodes to existing materials under standard battery conditions
• Achieved higher capacity and stability in the synthesized vanadium oxides
• Demonstrated improved efficiency in zinc-ion intercalation
• Found reduction in intrinsic limitations compared to traditional vanadium oxides