Preparation and characterization of lithium ion conducting ionic liquid-based biodegradable corn starch polymer electrolytes

被引：69
|
作者：
Liew, Chiam-Wen [1 ]
Ramesh, S. [1 ]
Ramesh, K. [1 ]
Arof, A. K. [1 ]
机构：
[1] Univ Malaya, Dept Phys, Ctr Ion, Fac Sci, Kuala Lumpur 50603, Malaysia
来源：
JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2012年 / 16卷 / 05期
关键词：
Corn starch; BmImTf; XRD; DSC; ELECTROCHEMICAL PROPERTIES; THERMOPLASTIC STARCH; THERMAL-STABILITY; PMMA; PVC;
D O I：
10.1007/s10008-012-1651-5
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Thin films of biodegradable corn starch-based biopolymer electrolytes were prepared by solution casting technique. Lithium hexafluorophosphate (LiPF6) and 1-butyl-3-methylimidazolium trifluoromethanesulfonate (BmImTf) were employed as lithium salt and ionic liquid, respectively. With reference to the temperature dependence study, Arrhenius relationship was observed. The highest ionic conductivity of (6.00 +/- 0.01) x 10(-4) S cm(-1) was obtained at 80 A degrees C. Based on x-ray diffraction (XRD) result, the peaks became broader with doping of ionic liquid revealing the higher amorphous region of the biopolymer electrolytes. Ionic liquid-based biopolymer electrolytes exhibited lower glass transition temperature (T (g)).
引用
收藏
页码：1869 / 1875
页数：7
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