Conductivity study in PEO-LiOAc based polymer electrolyte

Majid, Siti Rohana and Arof, Abdul Kariem and Ismail, L. (2009) Conductivity study in PEO-LiOAc based polymer electrolyte. Materials Research Innovations, 13 (3). pp. 282-284. ISSN 1432-8917, DOI

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Polyethylene oxide (PEO) films doped with lithium acetate (LiOAc) were prepared by the solution cast technique. The molecular weight of PEO was 300 000 g mol(-1). Lithium acetate was added to PEO in different weight ratios ranging from 0 to 30 wt-%. The PEO-LiOAc mixtures were dissolved in 1% acetic acid solution and stirred overnight. The highest electrical conductivity obtained for this system is 2.18 x 10(-6) S cm(-1) for the sample containing 30 wt-% CH(3)COOLi. The conductivity-temperature study was carried out for all samples from 25 to 100 degrees C. Different amounts of ethylene carbonate were added as a plasticiser. This resulted in the conductivity increasing to 1.46 x 10(-5) S cm(-1).

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Polyethylene oxide; Ionic conductivity; Ethylene carbonate; Ionic-conductivity; Transport; Plasticizer; Enhancement; Performance; Batteries; Nmr
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 12 Aug 2013 00:56
Last Modified: 27 Aug 2019 01:23

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