Author:
Yang Haesik,Kwon Kyungjung,Devine Thomas M.,Evans James W.
Abstract
An electrochemical quartz crystal microbalance is used in an investigation of the corrosion of aluminum in electrolytes appropriate for lithium batteries. The electrolytes are solutions of
LiN
(
CF
3
SO
2
)
2
,
LiC
(
CF
3
SO
2
)
3
,
LiCF
3
SO
3
,
LiPF
6
,
LiBF
4
, and
LiClO
4
, singly or in a limited number of combinations, in propylene carbonate (PC) and polyethylene glycol dimethyl ether. Aluminum that is scratched or abraded in an inert atmosphere (so that a protective surface film does not reform) undergoes significant corrosion in PC containing
LiN
(
CF
3
SO
2
)
2
,
LiC
(
CF
3
SO
2
)
3
,
LiCF
3
SO
3
, and
LiClO
4
, but forms a protective film in PC containing
LiPF
6
, or
LiBF
4
. A mechanism of corrosion of aluminum in
LiN
(
CF
3
SO
2
)
2
/
PC
is proposed. © 2000 The Electrochemical Society. All rights reserved.
Publisher
The Electrochemical Society
Subject
Materials Chemistry,Electrochemistry,Surfaces, Coatings and Films,Condensed Matter Physics,Renewable Energy, Sustainability and the Environment,Electronic, Optical and Magnetic Materials
Cited by
210 articles.
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