Journal
ELECTROCHIMICA ACTA
Volume 215, Issue -, Pages 36-41Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.08.084
Keywords
Ionic liquids; gel polymer electrolytes; lithium mobility; lithium-ion battery; boron
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Funding
- Fundamental R&D Program for Core Technology of Materials and Industrial Strategic Technology Development Program - Ministry of Knowledge Economy, Republic of Korea
- Materials Architecturing Research Center of Korea Institute of Science and Technology (KIST)
- Korea Research Fellowship Program - Ministry of Science, ICT, and Future Planning through the National Research Foundation of Korea
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Boron containing ionogels were fabricated through chemical crosslinking of boron allyloxide with polyethylene glycol dimethacrylate in an ionic liquid electrolyte solution to obtain mechanically robust gels. Because of the relatively small concentration of crosslinking agent required to fully solidify the ionic liquid electrolyte, good characters of high ionic conductivity, high thermal stability, and good electrochemical stability were observed. A spectroscopic investigation of the boronic ionogels revealed that the lithium mobility was noticeably enhanced compared with ionogels fabricated without the boronic crosslinker, leading to promising Li-ion battery performance at elevated temperatures. (C) 2016 Elsevier Ltd. All rights reserved.
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