Identification of Surface Films Formed on Lithium in Dimethoxyethane and Tetrahydrofuran Solutions

D. Aurbach; P. W. Faguy; E. Yeager

doi:10.1149/1.2096170

Identification of Surface Films Formed on Lithium in Dimethoxyethane and Tetrahydrofuran Solutions

D. Aurbach
, P. W. Faguy
, E. Yeager

Case Western Reserve University

Research output: Contribution to journal › Article › peer-review

166 Scopus citations

Abstract

Surface films formed on lithium metal in dimethoxyethane (DME) and tetrahydrofuran (THF) solutions of LiC10₄, LiAsF₆, and LiSO₃CF₃were analyzed using FTIR, SIMS, and XPS spectroscopies. The films formed in both solvents were found to contain lithium alkoxides. The main reaction products detected with FTIR were LiOCH₃ in DME, and LiO(CH₂)₃CH₃ in THF. SIMS measurements are consistent with this finding. Reaction mechanisms are discussed. When the water concentration in these systems is 0.01M or greater, LiOH is formed on the lithium surface and appears to be a major component in the surface films. XPS measurements gave evidence for simultaneous salt reduction on the lithium surface in addition to the solvent reactions.

Original language	English
Pages (from-to)	1863-1871
Number of pages	9
Journal	Journal of the Electrochemical Society
Volume	135
Issue number	8
DOIs	https://doi.org/10.1149/1.2096170
State	Published - Aug 1988

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Access to Document

10.1149/1.2096170

Cite this

@article{5452738075b044f8a548ed8c0bb27187,

title = "Identification of Surface Films Formed on Lithium in Dimethoxyethane and Tetrahydrofuran Solutions",

abstract = "Surface films formed on lithium metal in dimethoxyethane (DME) and tetrahydrofuran (THF) solutions of LiC104, LiAsF6, and LiSO3CF3were analyzed using FTIR, SIMS, and XPS spectroscopies. The films formed in both solvents were found to contain lithium alkoxides. The main reaction products detected with FTIR were LiOCH3 in DME, and LiO(CH2)3CH3 in THF. SIMS measurements are consistent with this finding. Reaction mechanisms are discussed. When the water concentration in these systems is 0.01M or greater, LiOH is formed on the lithium surface and appears to be a major component in the surface films. XPS measurements gave evidence for simultaneous salt reduction on the lithium surface in addition to the solvent reactions.",

author = "D. Aurbach and Faguy, \{P. W.\} and E. Yeager",

year = "1988",

month = aug,

doi = "10.1149/1.2096170",

language = "אנגלית",

volume = "135",

pages = "1863--1871",

journal = "Journal of the Electrochemical Society",

issn = "0013-4651",

publisher = "Institute of Physics",

number = "8",

}

TY - JOUR

T1 - Identification of Surface Films Formed on Lithium in Dimethoxyethane and Tetrahydrofuran Solutions

AU - Aurbach, D.

AU - Faguy, P. W.

AU - Yeager, E.

PY - 1988/8

Y1 - 1988/8

N2 - Surface films formed on lithium metal in dimethoxyethane (DME) and tetrahydrofuran (THF) solutions of LiC104, LiAsF6, and LiSO3CF3were analyzed using FTIR, SIMS, and XPS spectroscopies. The films formed in both solvents were found to contain lithium alkoxides. The main reaction products detected with FTIR were LiOCH3 in DME, and LiO(CH2)3CH3 in THF. SIMS measurements are consistent with this finding. Reaction mechanisms are discussed. When the water concentration in these systems is 0.01M or greater, LiOH is formed on the lithium surface and appears to be a major component in the surface films. XPS measurements gave evidence for simultaneous salt reduction on the lithium surface in addition to the solvent reactions.

AB - Surface films formed on lithium metal in dimethoxyethane (DME) and tetrahydrofuran (THF) solutions of LiC104, LiAsF6, and LiSO3CF3were analyzed using FTIR, SIMS, and XPS spectroscopies. The films formed in both solvents were found to contain lithium alkoxides. The main reaction products detected with FTIR were LiOCH3 in DME, and LiO(CH2)3CH3 in THF. SIMS measurements are consistent with this finding. Reaction mechanisms are discussed. When the water concentration in these systems is 0.01M or greater, LiOH is formed on the lithium surface and appears to be a major component in the surface films. XPS measurements gave evidence for simultaneous salt reduction on the lithium surface in addition to the solvent reactions.

UR - https://www.scopus.com/pages/publications/0024065714

U2 - 10.1149/1.2096170

DO - 10.1149/1.2096170

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:0024065714

SN - 0013-4651

VL - 135

SP - 1863

EP - 1871

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 8

ER -

Identification of Surface Films Formed on Lithium in Dimethoxyethane and Tetrahydrofuran Solutions

Abstract

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this