✦ LIBER ✦

Preparation and ionic conductivities of the plasticized polymer electrolytes based on poly(methyl methacrylate-co-alkali metal methacrylate)

✍ Scribed by Chul-Hwan Kim; Hee-Tak Kim; Jung-Ki Park; Sung-In Moon; Moon-Su Yoon

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 502 KB
Volume: 34
Category: Article
ISSN: 0887-6266
DOI: 10.1002/(sici)1099-0488(19961130)34:16<2709::aid-polb3>3.0.co;2-k

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✦ Synopsis

Ionic conductivities of the polymer electrolytes prepared from the ionomer (poly(methy1 methacrylate-co-alkali metal methacrylate)), lithium perchlorate, and ethylene carbonate as a plasticizer, were studied as a function of the ion content and the alkali-metal cation of the ionomer. It was possible to obtain tough films with room-temperature ionic conductivities of -S/cm. The maximum ion conductivities of the polymer electrolytes were obtained at the ion content of 5 mol % for both Li and Na ionomer. The effects of the ion content of the ionomer on the ionic conductivities of the polymer electrolytes were mainly interpreted in terms of the characteristics of the ion aggregate formed in the polymer electrolytes. The thermal dependence of the ionic conductivity was shown to be a non-VTF pattern in some of the polymer electrolytes investigated, which is expected to be due to the presence of the ion aggregate. 0

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