Industrial waste-derived vanadium recovery for high-performance Na 3 V 2 (PO 4 ) 2 F 3 @C sodium-ion battery application

Key Points

• This research aims to recover high-purity vanadium for use in sodium-ion batteries, focusing on sustainable practices.
• Utilized a synergistic acidic-reductive leaching system for vanadium recovery.
• Synthesis of NVPF@C cathode material for sodium-ion batteries.
• Conducted performance analysis of the synthesized cathode.
• Successfully recovered high-purity V2O5 from spent vanadium catalyst.
• Synthesized NVPF@C cathode showed enhanced performance in sodium-ion batteries.
• Established a cost-effective and environmentally friendly recycling method.