articleAdvanced Functional MaterialsJul 9, 2024Closed access

Lithium Bis(Trifluoromethanesulfonyl)Imide (LiTFSI): A Prominent Lithium Salt in Lithium‐Ion Battery Electrolytes – Fundamentals, Progress, and Future Perspectives

ZLZhen LiLWLi WangXHXiaodong HuangXHXiangming He

Southeast University · Tsinghua University

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Abstract

Abstract Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) is a widely used lithium (Li) salt that is extensively studied in the field of electrolytes for Li‐ion batteries (LIBs) to improve their performance. A thorough understanding of its underlying mechanisms in LIBs is crucial for gaining deeper insights into its future development. This paper provides an extensive review of the role of LiTFSI in enhancing battery performance, including its benefits for negative electrode protection, the facilitation of fast charging capabilities, and the promotion of battery operation across a wide temperature range. It also highlights the specific drawbacks of LiTFSI in the electrolyte domain and examines potential…

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Topics & keywords

Topics
Keywords
  • Imide
  • Materials science
  • Lithium (medication)
  • Electrolyte
  • Salt (chemistry)
  • Battery (electricity)
  • Lithium-ion battery
  • Ion
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