Cited by 138Advanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced Battery Technologies Research

Rejuvenating Propylene Carbonate‐based Electrolyte Through Nonsolvating Interactions for Wide‐Temperature Li‐ions Batteries

Qin, Mingsheng, Liu, Mengchuang, Zeng, Ziqi, Wu, Qiang, Wu, Yuanke, Zhang, Han, Lei, Sheng, Cheng, Shijie +1 more·2022·Advanced Energy Materials

Abstract

The advancements of lithium‐ion batteries indubitably call for advanced electrolytes with superior environmental adaptability and long‐term stability. Propylene carbonate (PC) proves to be a competitive solvent with the high permittivity and wide‐liquid range, while the application is intrinsically hindered by the poor graphite compatibility and high viscosity. Here, a PC‐based electrolyte with wide‐temperature range is developed by tuning the strength and topology of the Li + ‐PC interactions via non‐solvating interactions without altering the solvation structure. Thus, the problem of graphite exfoliation caused by Li + ‐PC co‐intercalation can be successfully mitigated. Consequently, such electrolyte shows compatibility with both graphite and high‐nickel cathode, exhibiting an expanded liquid range from −90 to 90 °C. This work, breaking from the traditional EC‐based formula, provides a new strategy for designing PC‐enabled electrolyte featuring high performance, wide‐temperature compatibility, and sustainability

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Crossref · 10.1002/aenm.202201801

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  • With fluobenzene as a non-solvating cosolvent, the graphite electrode retains 80% of its initial capacity after 500 cycles and the graphite/NMC811 full cell demonstrates improved electrochemical performance from -40 to 60 °C.

    “As a result, the graphite electrode retains 80% of its initial capacity after 500 cycles and the graphite/ NMC811 full cell demonstrated improved electrochemical performance in a wide-temperature range from -40 to 60 °C.”
  • Using fluobenzene as a non-solvating cosolvent lowers the affinity between propylene carbonate and Li+ and facilitates desolvation of the electrolyte at the graphite surface.

    “By using fluobenzene (FB) as non-solvating cosolvent, the affinity between PC and Li + was lowered efficiently and the desolvation of electrolyte at graphite surface was also facilitated.”

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Authors
Qin, M., Liu, M., Zeng, Z., Wu, Q., Wu, Y., Zhang, H., Lei, S., Cheng, S., & Xie, J.
Affiliations
  • State Key Laboratory of Materials Processing and Die & Mould Technology (CN)
  • State Key Laboratory of Advanced Electromagnetic Engineering and Technology (CN)
Corresponding author
  • Zeng, Ziqi
  • Xie, Jia
Venue
Advanced Energy Materials
Publisher
Wiley
Published
2022-10-06
Volume
12
Issue
48
ISSN
  • 1614-6832 (ISSN-L)
  • 1614-6840
OpenAlex
W4302763874
Cited by
138
References
0
Citations by year
2026: 20 · 2025: 44 · 2024: 36 · 2023: 37 · 2022: 1
FWCI
8.08
Type
journal article
Language
en
Open access
closed
Locations
Advanced Energy Materials (publishedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
  • Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
Keywords
propylene carbonate, lithium-ion battery electrolytes, graphite exfoliation, Ni-rich cathodes, electrolyte viscosity, sustainable electrolytes

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