Functional separator with lower resistance toward lithium ion transport for enhancing the electrochemical performance of lithium ion batteries

Title
Functional separator with lower resistance toward lithium ion transport for enhancing the electrochemical performance of lithium ion batteries
Authors
최원창김기재권용갑임태은
Keywords
Surface treatment; Hydrophilicity; Separator; Lithium ion battery
Issue Date
2019-03
Publisher
Journal of industrial and engineering chemistry
Citation
VOL 71-233
Abstract
By chemical treatment with benzoyl peroxide, oxygen-containing functional groups can be successfully introduced to the surface and interior of the PE separator, resulting in improved wettability and high electrolyte uptake without sacrificing mechanical and physicochemical properties. Hence, lithium ion transport across the PE separator treated by benzoyl peroxide is effectively facilitated by the formation of oxygen functional groups, leading to improved ionic conductivity. The LiB cells assembled with the PE separator treated by BPO exhibit remarkable rate capability and outstanding capacity retention (98.1%) after 70 cycles.
URI
http://pubs.kist.re.kr/handle/201004/69084
ISSN
1226-086X
Appears in Collections:
KIST Publication > Article
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