A highly conductive carbon–sulfur film with interconnected mesopores as an advanced cathode for lithium–sulfur batteries

Abstract

A highly conductive graphene sheet–mesoporous carbon (MC) sphere/active sulfur (GMC–S) film, with MC–sulfur spheres as “active islands” and graphene sheets as “trapping nets”, exhibits good cycling stability (500 cycles, with a capacity retention of 85%) with a high specific capacity of 1322 mA h g⁻¹ at 0.1C.