Facile Synthesis of Graphene-like Porous Carbon with Densely Populated Co-Nx Sites as Efficient Bifunctional Electrocatalysts for Rechargeable Zinc–Air Batteries

This study was financially supported by the National Natural Science Foundation of China (no. 11974004) and the Science and Technology Planning Project of Sichuan Province (nos. 2020JDRC0171 and 2021YFH0091). We gratefully acknowledge the facility support and helpful discussion by Prof. Rui Zhao.