Construction of hollow urchin-like carbon frameworks with Co, P, N doping and encapsulated Co/Co2P heterojunction as bifunctional electrocatalysts for rechargeable Zn-air batteries

Controllable preparation of advanced electrocatalysts with well-designed architecture and desirable active sites, is full of challenges for rechargeable Zn-air batteries (ZABs). Herein, a hollow urchin-like bifunctional oxygen electrocatalyst (HCoPNC@Co/Co2P-PNCNTs) is...