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Lee, Sang-Young
Energy Soft-Materials Lab (ESML)
Research Interests
  • Soft Materials for Energy Storage/ Conversion Systems

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Lithium metal polymer cells assembled with gel polymer electrolytes containing ionic liquid

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Title
Lithium metal polymer cells assembled with gel polymer electrolytes containing ionic liquid
Author
Yun, Ye SunSong, Seung-WanLee, Sang-YoungKim, Sang-HernKim, Dong-Won
Keywords
Cycling performance; Gel polymer electrolyte; Ionic liquid; Lithium iron phosphate; Lithium metal polymer cell
Issue Date
201011
Publisher
ELSEVIER SCIENCE BV
Citation
CURRENT APPLIED PHYSICS, v.10, no.4, pp.E97 - E100
Abstract
Gel polymer electrolytes containing a mixture of organic solvent and ionic liquid were prepared and their electrochemical properties were investigated. The gel polymer electrolytes exhibited good electrochemical stability and stable interfacial properties toward lithium metal. Using these gel polymer electrolytes, lithium metal polymer cells composed of a lithium anode and a LiFePO4 cathode were assembled, and their cycling performances were evaluated. The cells showed good cycling performance comparable to that of a cell assembled with gel polymer electrolyte containing only organic liquid electrolyte. The Li/LiFePO4 cells assembled with a gel polymer electrolyte containing ionic liquid are expected to be one of the promising candidates for high energy density lithium batteries with improved safety.
URI
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DOI
http://dx.doi.org/10.1016/j.cap.2010.06.007
ISSN
1567-1739
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