Hybrid ionogel electrolytes with POSS epoxy networks for high temperature lithium ion capacitors

Title
Hybrid ionogel electrolytes with POSS epoxy networks for high temperature lithium ion capacitors
Authors
홍순만구종민알버트 이성수나원준이진홍김은경
Keywords
electrolyte; gel; lithium ion battery
Issue Date
2017-10
Publisher
Solid state ionics
Citation
VOL 329-32
Abstract
Thermally curable hybrid ionogel electrolytes consisting of epoxy-functionalized POSS, amine-terminated polypropylene glycol, and ionic liquid electrolyte, 1 M LiTFSI in BMPTFSI were fabricated to give ionic conducting epoxy networks with cubic inorganic star networks crosslinked with lithium ion dissociating polypropylene glycol linkers. Characterization of these hybrid ionogels revealed high ion conduction, exceptional thermal stability, and electrochemical stability. Lithium ion capacitors fabricated with these hybrid ionogels revealed exceptional performance on par with the neat liquid ionic liquid electrolyte, and far superior over ionogels fabricated with conventional organic crosslinkers, due to the mechanical robustness and lithium ion dissociative character imparted by the POSS and PPG functionalities.
URI
http://pubs.kist.re.kr/handle/201004/65913
ISSN
0167-2738
Appears in Collections:
KIST Publication > Article
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