Interconnected core–shell pyrolyzed polyacrylonitrile@sulfur/carbon nanocomposites for rechargeable lithium–sulfur batteries

Abstract

Interconnected core–shell pyrolyzed polyacrylonitrile@sulfur/carbon nanocomposites have been prepared and adopted as cathode materials to prevent the irreversible deposition of insoluble discharge products, leading to improved cyclic stability for lithium–sulfur batteries.