Unveiling the Pivotal Parameters for Advancing High Energy Density in Lithium‐Sulfur Batteries: A Comprehensive Review

Abstract The lithium‐sulfur (Li‐S) battery stands as a strong contender for the next‐generation energy storage system, characterized by abundant sulfur resources, environmental sustainability, and high specific capacity. However, its energy density remains constrained by factors such as low sulfur loading and fraction in the cathode, excessive electrolyte, and an excess of anode. These mild conditions significantly limit the energy density of Li‐S batteries, making them less competitive. To achieve higher energy density, harsh operation conditions are necessary, but these remain challenging to implement, even in a lab‐scale production. In this comprehensive review, the emphasis will be on recent advancements…

• UO
  University of Alberta
• AI
  Alberta Innovates

  Award: ALLRP-561137-20
• CF
  Canada First Research Excellence Fund
• NS
  Natural Sciences and Engineering Research Council of Canada

  Awards: RGPIN-2020-05184, ALLRP-561137-20, RGPIN-2020