Improved cyclability of a lithium–sulfur battery using POP–Sulfur composite materials

Abstract

The microporous nature of the porous organic polymer (POP) successfully limits the crystallization of sulfur and hence restrains the dissolution and diffusion of lithium polysulfides formed during the repeated charge and discharge process of lithium–sulfur batteries. In this study, we demonstrated for the first time that a POP–sulfur nanocomposite can lead to high coulombic efficiency and superior reversibility in lithium–sulfur batteries.