Impedance studies on plasticized PMMA-LiX [X: CF3SO3, N(CF3SO2)2−] polymer electrolytes期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Impedance studies on plasticized PMMA-LiX [X: CF₃SO₃, N(CF₃SO₂)₂−] polymer electrolytes

Authors:	AMM Ali MZA Yahya H Bahron MK Harun

Affiliation:	^a Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia ^b Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia ^c Faculty of Civil Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia

Abstract:	Plasticized polymer electrolytes composed of poly(methylmethacrylate) (PMMA) as the host, propylene carbonate (PC) or ethylene carbonate (EC) as a plasticizer and LiX (X: CF₃SO₃⁻ or N(CF₃SO₂)₂⁻) as a salt were prepared by the solution cast technique. Impedance spectroscopy was performed in the temperature range between 303 and 383 K. In this paper, we report the electrical properties of polymer electrolytes with different lithium salts and plasticizers. The polymer electrolytes investigated exhibited high ionic conductivity at room temperature in the range of 10^− 6 to 10^− 4 S cm^− 1. The temperature dependence studies showed that the samples were ionic conductors and seemed to obey the Vogel-Tamman-Fulcher (VTF) rule. FTIR spectroscopy studies confirmed the polymer-salt interaction.

Keywords:	Conducting polymer PMMA Impedance spectroscopy Plasticizer
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