Cited by 344Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research

The Surface Chemistry of Lithium Electrodes in Alkyl Carbonate Solutions

Aurbach, Doron, Ein‐Ely, Yair, Zaban, Arie·1994·Journal of The Electrochemical Society

Abstract

The chemical composition of the surface films formed on lithium in alkyl carbonate solutions was explored using surface sensitive Fourier transform infrared spectroscopy (external reflectance mode). The solvents included propylene carbonate, ethylene carbonate, and dimethyl carbonate. The salts included LiAsF 6 , LiClO 4 , LiBF 4 , and LiPF 6 . The advantages of this work over previous studies are that highly reflective Li surfaces were prepared fresh in solution and that the aging processes of the surface films initially formed could be rigorously investigated. Furthermore, these three important solvents were investigated in a single study. This work further proves that the films initially formed on Li surfaces in these solvents consist of ROCO 2 Li as the major constituents. Upon storage, the films initially formed react with trace water to form Li 2 CO 3 , which gradually also becomes a major surface species. It was found that these aging processes also depend on the salts used (for example ROCO 2 Li or Li 2 CO 3 films are not stable in LiPF 6 or LiBF 4 solutions).

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Crossref · 10.1149/1.2054718

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  • The SEI formed in the presence of FEC is more ordered and appears to have a multilayer structure, consistent with the multilayer system proposed by Aurbach et al.

    “Instead of a random distribution of organic and inorganic components, the SEI formed in the presence of FEC is more ordered and appears to have a multilayer structure, consistent with the multilayer system proposed by Aurbach et al. [167].”

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Authors
Aurbach, D., Ein‐Ely, Y., & Zaban, A.
Affiliations
Bar-Ilan University (IL)
Venue
Journal of The Electrochemical Society
Published
1994-01-01
Volume
141
Issue
1
Pages
L1-L3
ISSN
  • 0013-4651 (ISSN-L)
  • 1945-7111
OpenAlex
W1970581450
Cited by
344
References
0
Citations by year
2026: 9 · 2025: 14 · 2024: 25 · 2023: 19 · 2022: 23 · 2021: 25 · 2020: 36 · 2019: 28 · 2018: 14 · 2017: 17 · 2016: 9 · 2015: 10 · 2014: 17 · 2013: 3 · 2012: 10
FWCI
11.75
Type
journal article
Language
en
Open access
closed
Locations
Journal of The Electrochemical Society (publishedVersion)
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 electrode, surface films, lithium carbonate, lithium alkoxides, propylene carbonate, ethylene carbonate, dimethyl carbonate, LiAsF6, lithium perchlorate, LiPF6, lithium tetrafluoroborate, water-induced degradation, lithium metal anode

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