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Received March 30, 2007
Accepted July 23, 2007
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Electrochemical properties of gel polymer electrolyte based on poly(acrylonitrile)-poly(ethylene glycol diacrylate) blend

Battery Research Center, KIST, Seoul 136-791, Korea 1Department of Chemical Engineering, Sogang University, Seoul 121-742, Korea 2School of Chemical Engineering, Chungbuk National University, Chungbuk 361-763, Korea
nabk@chungbuk.ac.kr
Korean Journal of Chemical Engineering, November 2007, 24(6), 1037-1041(5), 10.1007/s11814-007-0117-4
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Abstract

Gel type electrolyte was formulated by blending of PEDGA and PAN. PEDGA is a UV curable polymer which forms a chemical crosslink by UV or heat. Gel type electrolyte is very stable in ionic conductivity and interfacial resistance for a long storage time. It has the advantage of manufacturing the battery in a continuous process because oligomer crosslinking occurs in few seconds without heating. Discharge capacity and cycle life were increased by using LiPF6/LiCF3SO3 mixed lithium salt and adding inorganic filler such as TiO2.

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