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Kim, Jae-Kwang
YK Research
Research Interests
  • Organic rechargeable batteries
  • Advanced Functional Materials
  • Polymer electrolyte, Lonic liquid, Sodium Batteries
  • New Energy Conversion and Storage

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Ceramic-based composite solid electrolyte for lithium-ion batteries

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Title
Ceramic-based composite solid electrolyte for lithium-ion batteries
Author
Lim, Young JunKim, Hyun WooLee, Seoung SooKim, Hyo JinKim, Jae-KwangJung, Yeon-GilKim, Youngsik
Issue Date
2015-07
Publisher
WILEY-V C H VERLAG GMBH
Citation
CHEMPLUSCHEM, v.80, no.7, pp.1100 - 1103
Abstract
Solid-state electrolytes such as lithium ion conducting ceramic or solid polymers have been studied as substitutes for liquid electrolytes, but critical problems exist at the interfacial resistance between the solid electrode and the solid electrolyte. In this study, we combined 80wt% Li1.3Ti1.7Al0.3(PO4)(3) (LTAP) as a lithium ion conducting ceramic with 10wt% of poly(vinylidene fluoride) (PVdF) as a binder, and 10wt% 1MLiPF(6) in ethyl carbonate/dimethyl carbonate (EC/DMC) to develop a new composite electrolyte. The ceramic-based composite electrolyte showed thermal stability and high ionic conductivity through reduction of the interface resistance. The lithium ion conductivity of the composite electrolyte was 8.9x10(-4)Scm(-1) at room temperature without leakage. Electrochemical tests of the Li1+xMn2O4-LTAP-based composite electrolyte-Li1-xMn2O4 cell showed that the composite could be utilized as a potential electrolyte for high-safety lithium-ion batteries.
URI
https://scholarworks.unist.ac.kr/handle/201301/11801
URL
http://onlinelibrary.wiley.com/doi/10.1002/cplu.201500106/abstract
DOI
10.1002/cplu.201500106
ISSN
2192-6506
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