Vanadium-doped cobalt selenide nanoparticles embedded in mesoporous hollow carbon spheres as highly efficient bifunctional electrocatalyst for rechargeable Zn-air batteries

Key Points

• The vanadium-doped cobalt selenide nanoparticles show enhanced catalytic activity, significantly improving battery performance.
• Electrocatalytic performance metrics indicate a notable increase in efficiency during battery charging and discharging phases.
• Assessment using electron microscopy reveals the mesoporous structure contributes to better ion transport and surface area utilization in the catalyst.
• Supports the development of more effective rechargeable energy sources, potentially addressing current battery limitations.