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http://dx.doi.org/10.4313/JKEM.2003.16.11.994

Electrochemical Properties of Lithium-Ion Polymer Battery with PMMA IPN-Based Gel Polymer Electrolyte  

김현수 (한국전기연구원 전지연구그룹)
신정한 (한국전기연구원 전지연구그룹)
나성환 (한국전기연구원 전지연구그룹)
엄승욱 (한국전기연구원 전지연구그룹)
문성인 (한국전기연구원 전지연구그룹)
김상필 (세한에너테크(주) R&D 센터)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.16, no.11, 2003 , pp. 994-1000 More about this Journal
Abstract
In this study, gel polymer electrolytes (GPE) with semi-interpenerating network of poly (methyl methacrylate) and hexanediol dimethacrylate were synthesized and their electrochemical performances were evaluated. LiCoO$_2$/GPE/graphite cells were prepared and their performances depending on discharge currents and temperatures were evaluated. The precursor containing 5 vol% curable mixture had a low viscosity relatively. GPE showed good electrochemical stability up to potential of 4.8 V vs. Li/Li$\^$+/. Ionic conductivity of the gel polymer electrolyte at room temperature and -20$^{\circ}C$ was ca. 5.9 and 1.4${\times}$10$\^$-3/ Scm$\^$-1/, respectively. LiCoO$_2$/GPE/graphite cells showed good rate capability, low-temperature performance and cycleability.
Keywords
Poly (methyl methacrylate); Lithium-ion polymer battery; Gel polymer electrolyte; Curable mixture; Ionic conductivity;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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