Cited by 47Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research

Carbonate Free Electrolyte for Lithium Ion Batteries Containing γ-Butyrolactone and Methyl Butyrate

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Lazar, Michael L., Lucht, Brett L.·2015·Journal of The Electrochemical Society

Abstract

A novel carbonate free electrolyte, 1 M lithium difluoro(oxalato) borate (LiDFOB) in 1:1 gamma -butyrolactone (GBL)/methyl butyrate (MB), has been compared to a standard electrolyte, 1 M LiPF 6 in 1:1:1 EC/DMC/DEC, and a 1 M LiDFOB in 1:1:1 EC/DMC/DEC electrolyte. The conductivity of 1 M LiDFOB in GBL/MB is higher at low temperature, but slightly lower at higher temperature compared to the standard electrolyte. The 1 M LiDFOB in GBL/MB electrolyte has comparable cycling performance to the standard electrolyte, and better cycling performance than the 1 M LiDFOB in EC/DMC/DEC electrolyte. The reversible cycling performance suggests that the LiDFOB in GBL/MB electrolyte forms a stable anode solid electrolyte interface (SEI) in the presence of GBL. Ex-situ surface analysis of the extracted electrodes has been conducted via a combination of XPS, FTIR-ATR and SEM which suggests that the stable anode SEI results is primarily composed of reduction products of LiDFOB.

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Crossref · 10.1149/2.0601506jes

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  • Lucht et al. designed 1 M LiDFOB GBL:MB (1:1) with higher ionic conductivity at -10 °C but relatively lower discharge capacity than the LiPF6-based electrolyte, attributed to larger SEI resistance resulting from LiDFOB decomposition.

    “Lucht et al. [101] designed a novel electrolyte, 1 M LiDFOB GBL:MB (1:1) [LiDFOB: lithium difluoro(oxalato)borate], with higher ionic conductivity at -10 °C but delivering relatively lower discharge capacity than the LiPF 6 -based electrolyte (Fig. 12c), which can be attributed to the larger SEI resistance resulted from LiDFOB decomposition (Fig. 12d).”

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Authors
Lazar, M. L., & Lucht, B. L.
Affiliations
University of Rhode Island (US)
Venue
Journal of The Electrochemical Society
Published
2015
Volume
162
Issue
6
Pages
A928-A934
ISSN
  • 0013-4651 (ISSN-L)
  • 1945-7111
OpenAlex
W2131379495
Cited by
47
References
37
Citations by year
2025: 6 · 2024: 4 · 2023: 9 · 2022: 5 · 2021: 3 · 2020: 5 · 2019: 2 · 2018: 7 · 2017: 4 · 2016: 2
FWCI
2.09
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Journal of The Electrochemical Society (publishedVersion, cc-by-nc-nd)
  • Journal of Media Literacy Education (submittedVersion, cc-by-nc-nd)
Funders
U.S. Department of Energy (DEEE0005433)
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
lithium-ion batteries, LiDFOB, gamma-butyrolactone, methyl butyrate, LiPF6, solid electrolyte interphase, ionic conductivity, cycling performance, low-temperature performance

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