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Lithium-Ion Electrolytes Containing Ester Cosolvents for Improved Low Temperature Performance

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Smart, M. C., Ratnakumar, B. V., Chin, K. B., Whitcanack, L. D.·2010·Journal of The Electrochemical Society

Abstract

As part of our continuing efforts to develop advanced electrolytes to improve the performance of lithium-ion cells, especially at low temperatures, we have identified a number of electrolyte cosolvents that can be incorporated into multicomponent electrolyte formulations for enhanced performance, especially at very low temperatures (down to ). In the current work, we investigated a number of ester cosolvents, namely methyl propionate, ethyl propionate, methyl butyrate, ethyl butyrate, propyl butyrate, and butyl butyrate, in multicomponent electrolytes of the following composition: in ethylene carbonate methyl [where cosolvent]. Emphasis was placed upon determining the effect of electrolyte type upon the low temperature performance in experimental meso-carbon microbeads– cells (equipped with reference electrodes) and characterizing their influence upon the lithium intercalation/deintercalation kinetics. These cells were subjected to electrical characterization (charge and discharge at different temperatures and rates) as well as electrochemical characterization (electrochemical impedance spectroscopy, linear polarization, and Tafel polarization measurements). These electrolytes have been optimized to provide good low temperature performance (down to ), while still offering reasonable high temperature resilience to produce the desired wide operating temperature systems . This has primarily been achieved by fixing the EC-content at 20% and the ester cosolvent at 20% in contrast to the previously developed systems.

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  • Esters with shorter alkyl chains have the advantage of better ionic conductivity for the bulk electrolyte but the disadvantage of forming more resistive and less protective solid electrolyte interphases compared with longer-chain counterparts.

    “It was concluded that esters with shorter alkyl chains have the advantage in getting better ionic conductivity for the bulk electrolyte, but the disadvantage in forming more resistive and less protective SEIs as compared to longer chain counterparts.”

    From Review on Low-Temperature Electrolytes for Lithium-Ion and Lithium Metal Batteries (2023) · cites this paper as [41]

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Research works printed but not linked: 8

  1. M. C. Smart, C.-K. Huang, B. V. Ratnakumar, and S. Surampudi, in Proceedings of the Intersociety Energy Conversion Engineering Conference (IECEC), Honolulu, Hawaii ͑1997͒.
  2. M. C. Smart, B. V. Ratnakumar, C.-K. Huang, and S. Surampudi, in SAE Aerospace Power Systems Conference Proceedings, Society of Automotive Engineers, P-322, pp. 7-14 ͑1998͒.
  3. M. C. Smart, B. V. Ratnakumar, L. D. Whitcanack, K. B. Chin, S. Surampudi, S. R. Narayanan, M. Alamgir, J.-S. Yu, and E. P. Plichta, in Proceedings of the 41st Power Sources Conference, Cherry Hill, NJ, June 15, 2004, pp. 223-226.
  4. M. C. Smart, S. Hossain, B. V. Ratnakumar, R. Loutfy, L. D. Whitcanack, K. B. Chin, E. D. Davies, S. Surampudi, and S. R. Narayanan, in Proceedings of the 41st Power Sources Conference, Cherry Hill, NJ, June 16, 2004.
  5. M. C. Smart, C.-K. Huang, B. V. Ratnakumar, and S. Surampudi, in Proceedings of the 37th Power Sources Conference, U.S. Army Communication-Electronics Com- mand and U.S. Army Research Laboratory, pp. 239-242 ͑1996͒.
  6. M. C. Smart, B. V. Ratanakumar, K. B. Chin, and S. R. Narayanan, Abstract 338, The Electrochemical Society Meeting Abstracts, Vol. 2004-02, Honolulu, HI, Oct 3-8, 2004.
  7. ͑Color online͒ Discharge energy ͑Wh/kg͒ at -40°C, using vari- ous discharge rates, of a prototype 7 Ah lithium-ion cells containing 1.0 M LiPF 6 EC + EMC + MP ͑20:60:20 vol. %͒. A1373 Journal of The Electrochemical Society, 157 ͑12͒ A1361-A1374 ͑2010͒ A1373
  8. S. S. Zhang, K. Xu, and T. R. Jow, Electrochim. Acta, 49, 1057 ͑2004͒. A1374 Journal of The Electrochemical Society, 157 ͑12͒ A1361-A1374 ͑2010͒ A1374

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Authors
Smart, M. C., Ratnakumar, B. V., Chin, K. B., & Whitcanack, L. D.
Affiliations
Jet Propulsion Laboratory (US)
Venue
Journal of The Electrochemical Society
Published
2010
Volume
157
Issue
12
Pages
A1361
ISSN
0013-4651 (ISSN-L)
OpenAlex
W2070213790
Cited by
220
References
0
Citations by year
2026: 12 · 2025: 22 · 2024: 23 · 2023: 26 · 2022: 26 · 2021: 27 · 2020: 15 · 2019: 14 · 2018: 13 · 2017: 12 · 2016: 5 · 2015: 6 · 2014: 7 · 2013: 4 · 2012: 6
FWCI
3.03
Type
journal article
Language
en
Open access
Locations
Journal of The Electrochemical Society (publishedVersion)
Funders
  • U.S. Department of Energy
  • National Aeronautics and Space Administration
  • California Institute of Technology
  • Jet Propulsion Laboratory
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
  • Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
Keywords
lithium-ion battery electrolytes, low-temperature performance, ethylene carbonate, methyl propionate, ethyl propionate, methyl butyrate, ethyl butyrate, butyl butyrate, multicomponent electrolytes, lithium intercalation kinetics

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