Atomic-level design rules of metal-cation-doped catalysts: manipulating electron affinity/ionic radius of doped cations for accelerating sulfur redox kinetics in Li–S batteries

Authors: Wei Wang, Xinying Wang, Jiongwei Shan, Liguo Yue, Zhuhang Shao, Li Chen, Dongzhen Lu, Yunyong Li

Published: 2023-05-08

Abstract

A general affinity/ionic radius (EA/r) rule as the selection criteria of cation dopants for designing efficient cation doped Li–S catalysts is proposed, and a lowEA/rvalue of doped cations greatly promotes sulfur redox in Li–S batteries.