Cellulose Triacetate-Based Polymer Gel Electrolytes

Title
Cellulose Triacetate-Based Polymer Gel Electrolytes
Authors
이정민뉴엔딘콴이슬비김홍곤안병성이현주김훈식
Keywords
cellulose triacetate; gel electrolyte; ionic liquid; lithium conduction; lithium battery
Issue Date
2010-01
Publisher
Journal of applied polymer science
Citation
VOL 115, 32-36
Abstract
New composite polymer gels were obtained from cellulose triacetate (CTA), N-methyl-N0-propylpyrrolidinium bis(trifluoromethanesulfonyl)imide (Pyr1,3TFSI), and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI). Analysis by differential scanning calorimeter and scanning electron microscope showed that the ionic gel consisting of CTA, Pyr1,3TFSI, and LiTFSI formed a completely homogeneous phase at the molar ratio of CTA/Pyr1,3TFSI/LiTFSI = 1/3/1.5. The ionic conductivity of the polymer gel was significantly enhanced by the presence of LiTFSI. FTIR study strongly implies that the interaction of lithium ion with the carbonyl group of CTA could be responsible for the increase in conductivity.
URI
http://pubs.kist.re.kr/handle/201004/37078
ISSN
0021-8995
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KIST Publication > Article
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