Cited by 173Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research

Perspective—Fluorinating Interphases

Open access
Wang, Chunsheng, Meng, Ying Shirley, Xu, Kang·2019·Journal of The Electrochemical Society

Abstract

Electrode/electrolyte interphase in Li-ion batteries is a critical component that ensures reversible cell reactions far from thermodynamic equilibria. The desired chemical composition and morphology for such interphase, however, remain controversial. Recent advances in battery chemistries and their electrolytes demonstrated that the presence of fluorine in the interphase, either in the form of simple inorganic fluorides (LiF) or organofluoro-moieties, brought positive impacts on the electrochemical performances. Beside the identification of chemical composition, understanding how these fluorinated species exists and distribute in the interphase might constitute the key know-how for the next generation battery chemistries. This is a topic that the battery research community should focus their attention on.

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Crossref · 10.1149/2.0281903jes

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  • LiF is considered a primary reason for performance enhancement.

    “Strangely, the signature of Li fluoride (LiF) lattice was not detected, even though LiF is considered to be a primary reason for performance enhancement [162].”

    From Review on Low-Temperature Electrolytes for Lithium-Ion and Lithium Metal Batteries (2023) · cites this paper as [162]

    The Current Status section associates fluorine-rich interphases, including those containing LiF, with beneficial passivation. But it identifies LiF or C–F species together and does not establish LiF as the primary reason for performance enhancement; the Conclusions also stress that how fluorine is distributed matters more than its amount. Page numbers were not available in our copy. (LLM, conf=0.86)

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Cites

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Research works printed but not linked: 2

  1. J. O'M. Bockris and A. K. N. Reddy, Modern Electrochemistry, 2 nd Edition, Vol. 2, Plenum Press, New York, 2000
  2. K. Xu, National Sci. Rev., 4, 19 (2017).

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Authors
Wang, C., Meng, Y. S., & Xu, K.
Affiliations
  • University of Maryland, College Park (US)
  • University of California San Diego (US)
  • DEVCOM Army Research Laboratory (US)
Venue
Journal of The Electrochemical Society
Published
2018-12-18
Volume
166
Issue
3
Pages
A5184-A5186
ISSN
  • 0013-4651 (ISSN-L)
  • 1945-7111
OpenAlex
W2905440981
Cited by
173
References
35
Citations by year
2026: 8 · 2025: 22 · 2024: 21 · 2023: 26 · 2022: 25 · 2021: 21 · 2020: 33 · 2019: 17
FWCI
6.79
Type
journal article
Language
en
Open access
Locations
  • Journal of The Electrochemical Society (publishedVersion, cc-by)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
US DOE
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
  • Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
Keywords
electrode-electrolyte interphase, lithium-ion batteries, fluorination, lithium fluoride, organofluorine compounds

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