Cited by 222Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research

Enhancing Li+ Transport in NMC811||Graphite Lithium‐Ion Batteries at Low Temperatures by Using Low‐Polarity‐Solvent Electrolytes

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Nan, Bo, Chen, Long, Rodrigo, Nuwanthi D., Borodin, Oleg, Piao, Nan, Xia, Jiale, Pollard, Travis, Hou, Singyuk +14 more·2022·Angewandte Chemie International Edition

Abstract

LiNixCoyMnzO 2 (x+y+z=1)||graphite lithium‐ion battery (LIB) chemistry promises practical applications. However, its low‐temperature (≤ −20 °C) performance is poor because the increased resistance encountered by Li+ transport in and across the bulk electrolytes and the electrolyte/electrode interphases induces capacity loss and battery failures. Though tremendous efforts have been made, there is still no effective way to reduce the charge transfer resistance (Rct) which dominates low‐temperature LIBs performance. Herein, we propose a strategy of using low‐polarity‐solvent electrolytes which have weak interactions between the solvents and the Li+ to reduce Rct, achieving facile Li+ transport at sub‐zero temperatures. The exemplary electrolyte enables LiNi 0.8 Mn 0.1 Co 0.1 O 2||graphite cells to deliver a capacity of ≈113 mAh g−1 (98 % full‐cell capacity) at 25 °C and to remain 82 % of their room‐temperature capacity at −20 °C without lithium plating at 1/3C. They also retain 84 % of their capacity at −30 °C and 78 % of their capacity at −40 °C and show stable cycling at 50 °C.

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Crossref · 10.1002/anie.202205967

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  • Ethyl methyl carbonate has a wide liquid temperature range from -53 to 110 °C and a very small dipole moment, which enhances kinetics and reduces charge transfer resistance for the desolvation process.

    “EMC has a wide liquid temperature range from -53 to 110 °C with a very small dipole moment, which enhances the kinetics and reduces the charge transfer resistance for the desolvation process.”
  • A graphite-NMC811 pouch cell using the 2.0 M LiFSI in EMC:TTE electrolyte showed enhanced cyclic stability across a wide temperature range from -40 to 50 °C.

    “As a result, the graphite-NMC811 pouch cell showed enhanced cyclic stability operating across a wide-temperature range from -40 to 50 °C.”

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Authors
Nan, B., Chen, L., Rodrigo, N. D., Borodin, O., Piao, N., Xia, J., Pollard, T., Hou, S., Zhang, J., Ji, X., Xu, J., Zhang, X., Ma, L., He, X., Liu, S., Wan, H., Hu, E., Zhang, W., Xu, K., Yang, X., Lucht, B., & Wang, C.
Affiliations
  • University of Maryland, College Park (US)
  • University of Rhode Island (US)
  • DEVCOM Army Research Laboratory (US)
  • Department of Chemical and Biomolecular Engineering University of Maryland College Park MD 20742 USA
  • University of North Carolina at Charlotte (US)
  • Brookhaven National Laboratory (US)
Corresponding author
Wang, Chunsheng
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2022-07-20
Volume
61
Issue
35
Pages
e202205967-e202205967
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W4283823340
Cited by
222
References
51
Citations by year
2026: 35 · 2025: 58 · 2024: 73 · 2023: 50 · 2022: 6
FWCI
12.79
Type
journal article
Language
en
Open access
Locations
  • Angewandte Chemie International Edition (publishedVersion)
  • PubMed (publishedVersion)
  • Journal of Media Literacy Education (submittedVersion, cc-by)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
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
NMC811, lithium-ion batteries, low-temperature performance, Li+ transport, charge transfer resistance, LiNi0.8Co0.1Mn0.1O2, graphite anode, lithium plating, capacity retention

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