Regulating the d-p band center of FeP/Fe2P heterostructure host with built-in electric field enabled efficient bidirectional electrocatalyst toward advanced lithium-sulfur batteries

Zhenxin Zhao, Zonglin Yi, Yunrui Duan, Rajesh Pathak, Xiaoqin Cheng, Yongzhen Wang, Jeffrey W. Elam, Xiaomin Wang