Graphene Enriched Separators for Lithium-Sulfur Batteries: Recent Advancements and Progress

Rapid growth of lithium-sulfur batteries (Li-S) has driven substantial research into enhancing their performance, safety, and durability. Among various components, the function of the separator is crucial in maintaining the efficiency and stability of Li-S batteries. Materials, especially graphene-based, have emerged as a potential option for separators owing to their unique properties, namely excellent mechanical strength, high thermal conductivity, and remarkable electrochemical stability. This review comprehensively explores the recent advancements in graphene-based separators for Li-S batteries. Here, we explore the impact of these graphene-based separators on key performance parameters such as electrochemical properties and charge-discharge processes. Additionally, the challenges and opportunities associated with integrating graphene materials into commercial Li-S battery separators are discussed. The present article intends to impart a general understanding of the current state of graphene-based separators and their potential to revolutionize the future generation of high-throughput Li-S batteries.