FeNi₃@NC Core-Shell Catalyst

Robust interface, stable sites

Strong coupling between silk-derived Fe,N co-doped carbon substrate and FeNi₃@NC nanoparticles suppresses dissolution and detachment of metal active sites, enabling durable cycling in both liquid and solid Zn-air batteries.

Chengcai, Wang · Zhao, Songlin · Luhang, Cai · Yipeng, Chen · Zhu, Zhihong

Nano Energy 2025