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http://dx.doi.org/10.4313/JKEM.2002.15.12.1033

A Study on Urethane-Based Gel Polymer Electrolyte for Lithium ion Battery  

김현수 (한국전기연구원 전지연구그룹)
김성일 (한국전기연구원 전지연구그룹)
최관영 (한국전기연구원 전지연구그룹)
문성인 (한국전기연구원 전지연구그룹)
김상필 (새한에너테크(주))
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.15, no.12, 2002 , pp. 1033-1038 More about this Journal
Abstract
In this study, urethane acrylate macromer was synthesized and it was used in a gel polymer electrolyte (GPE), and then its electrochemical performances were evaluated. LiCoO$_2$/GPE/graphite cells were Prepared and their performances depending on discharge currents and temperatures were evaluated. The precursor consisting of urethane acrylate (UA), hexanediol dimethacrylate (HDDA) and benzoyl peroxide (BPO) had a low viscosity relatively ionic conductivity of the gel polymer electrolyte with UA at room temperature and -20$\^{C}$ was ca. 4.5 $\times$ 10$\^$-3/S$.$cm$\^$-1/ and 1.7 x 10$\^$-3/ S$.$cm$\^$-1/, respectively GPR was stable electrochemically up to potential of 4.i V vs. Li/Li$\^$+/. LiCoO$_2$/GPE/graphite cells showed good a high-rate and a low-temperature performance.
Keywords
Polyurethane acrylate; Lithium ion battery; Gel polymer electrolyte; lonlc conductivity;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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