Dielectric study of hot-pressed nanocomposite polymer electrolytes

被引:8
|
作者
Chandra, Angesh [1 ]
Chandra, Archana [1 ,2 ]
Thakur, K. [3 ]
机构
[1] Shri Shankracharya Inst Profess Management & Tech, Dept Appl Phys, Raipur 49015, Chhattisgarh, India
[2] Dr CV Raman Univ, Bilaspur, Chhattisgarh, India
[3] Govt Pataleswar Coll, Dept Chem, Masturi 495551, Chhattisgarh, India
关键词
COMPOSITE; BEHAVIOR;
D O I
10.1134/S107036321312030X
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ion-conducting nanocomposite polymer electrolyte films based on poly(ethylene oxide)-NaPO3 3: 1 with up to 15 wt % of SiO2 have been prepared using recently developed hot-press technique instead of conventional solution cast method. With 7 wt % of SiO2, the film conductivity has been enhanced by an order of magnitude. The materials have been characterized by Fourier transform infrared spectrometry and thermogravimetric analysis. For the composition with the highest conductivity, the temperature dependences of ionic mobility, mobile ions concentration, ionic transference number, and ionic drift velocity have been determined. Dielectric constant and dielectric loss have been measured. The conductivity enhancement has been discussed on the basis of existing theories of dielectrics.
引用
收藏
页码:2375 / 2379
页数:5
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