Citation
Z. Ogumi et al., Pyrolysis/gas chromatography/mass spectroscopy analysis of the surface film formed on graphite negative electrode, J POWER SOU, 97-8, 2001, pp. 156-158
Citations number
13
Categorie Soggetti
Physical Chemistry/Chemical Physics","Environmental Engineering & Energy
Journal title
JOURNAL OF POWER SOURCES
ISSN journal
03787753
→ ACNP
Volume
97-8
Year of publication
2001
Pages
156 - 158
Database
ISI
SICI code
0378-7753(200107)97-8:<156:PCSAOT>2.0.ZU;2-5
Abstract
The chemical constituents of the protective surface film formed on graphite
negative electrode in ethylene carbonate (EC)-based electrolyte solutions
were analyzed by pyrolysis/gas chromatography/mass spectroscopy (Pyro/GC/MS
). Oligomers that consist of oxyethylene units, such as ethylene glycol, di
(ethylene glycol), and tri(ethylene glycol) methyl ester, were detected. Th
ese oligomers were formed by reductive decomposition of EC, and their prese
nce suggested that the surface film contained polymer-like substances that
have repeated oxyethylene units. (C) 2001 Elsevier Science B.V. All rights
reserved.