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http://dx.doi.org/10.5229/JKES.2016.19.4.123

Polymer-Ceramic Composite Gel Polymer Electrolyte for High-Electrochemical-Performance Lithium-Ion Batteries  

Jang, So-Hyun (Department of Solar & Energy Engineering, Cheongju University)
Kim, Jae-Kwang (Department of Solar & Energy Engineering, Cheongju University)
Publication Information
Journal of the Korean Electrochemical Society / v.19, no.4, 2016 , pp. 123-128 More about this Journal
Abstract
In this study, poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP)-based gel polymer electrolyte incorporating nano-size $Al_2O_3$ ceramic particle was prepared by electrospinning. The gel polymer electrolyte (GPE) incorporated with $Al_2O_3$ ceramic particle showed higher ionic conductivity of $9.5{\times}10^{-2}Scm^{-1}$ than pure PVdF-HFP GPE without ceramic particle and improved the electrochemical stability up to 5.2 V. The GPEs were assembled with $LiNi_{1/3}Mn_{1/3}Co_{1/3}O_2$ (NMC) cathode for electrochemical test. The GPE batteries at 0.1 C-rate delivered $168.2mAh\;g^{-1}$ for pure GPE and $189.6mAh\;g^{-1}$ for hybrid GPE, respectively. Therefore, the incorporation of high dielectric constant ceramic particle will be good strategy to enhance the stability and electrochemical properties of lithium ion gel polymer batteries.
Keywords
Gel polymer electrolyte; Ceramic particle; Electrochemical property; Lithium polymer battery;
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Times Cited By KSCI : 3  (Citation Analysis)
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