Lean-electrolyte lithium-sulfur batteries: Recent advances in the design of cell components

Yunseo Jeoun, Min Seob Kim, Si Hwan Lee, Ji Hyun Um, Yung Eun Sung, Seung Ho Yu

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


Lithium-sulfur batteries (LSBs) have attracted considerable attention as next-generation secondary battery due to their significantly higher theoretical energy density (2,600 Wh kg−1) compared to that of commercialized lithium-ion batteries (LIBs). In the last decade, most of the achievements in LSBs were attained based on excessive electrolyte usage. However, high electrolyte/sulfur ratio (E/S ratio) conditions degrade not only cost competitiveness but also actual energy density, eventually hindering the commercialization of LSBs. Therefore, it is essential to develop lean-electrolyte LSBs exhibiting excellent performance with advanced components even under harsh internal environments. In this perspective, this review focuses on the state-of-the-art advances of LSBs under lean electrolyte conditions and categorizes imperative strategies to overcome its serious problems.

Original languageEnglish
Article number138209
JournalChemical Engineering Journal
Publication statusPublished - 2022 Dec 15


  • Cell components
  • Electrolyte/sulfur ratio
  • Lean electrolyte
  • Lithium-sulfur batteries

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering


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