Polymer Gel Electrolytes using Polymerizable Ionic Liquid

Title
Polymer Gel Electrolytes using Polymerizable Ionic Liquid
Authors
이진홍이장우홍순만구종민
Keywords
Polymer Electrolyte; Ionic liquid; Lithium bis(trifluoromethanesulfonyl)imide; Ether group; Imidazolium; Conductivity
Issue Date
2011-11
Publisher
ICAE 2011
Abstract
In order to realize polymer electrolytes with high ionic conductivity, a series of imidazolium-based ionic polymers were synthesized by the radical polymerization and investigated. The ionic liquid polymers showed low conductivities due to the decrease of ion mobility after polymerization of ionic liquid species. To improve the ionic conductivity, ionic polymers containing ether group were prepared, and these polymers were mixed with equimolar amount of lithium bis(trifluoromethanesulfonyl)imide. Increased ionic conductivity was observed at around 10-4 S cm-1 at room temperature. The results of differential scanning calorimeter (DSC) measurement showed that the increase of glass temperature of polymers was suppressed by the ether group.
URI
http://pubs.kist.re.kr/handle/201004/41203
Appears in Collections:
KIST Publication > Conference Paper
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