Preparation and characterization of a new polymer electrolyte (PEO:NaClO3) for battery application

被引:52
作者
Chandrasekaran, R [1 ]
Selladurai, S [1 ]
机构
[1] Anna Univ, Dept Phys, Solid State Ion Lab, Chennai 600044, Tamil Nadu, India
关键词
polymer electrolyte; transport number; poly(ethylene oxide); manganese dioxide; conductivity;
D O I
10.1007/s100080000156
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
A new sodium-ion conducting thin-film polymer electrolyte based on the poly(ethylene oxide) (PEO) system has been prepared by a solution-casting method. Characterization by XRD, IR, and AC conductivity and Wagner's polarization were carried out on these thin-film electrolytes. From the transference number experiment it was found that the charge transport in these electrolytes is mainly due to ions. Conductivity studies show that the conductivity value of the PEO:NaClO3 complex increases with the increase of salt concentration. An increase in the conductivity and a change in the cell parameters for the electrolyte system were found by the addition of the low molecular weight dimethylformamide or propylene carbonate as plasticizers. The cell parameters of these electrolyte systems were measured from a discharge study of the cell with the application of a load of 100 k Omega at room temperature in the common cell configuration Na/electrolyte/MnO2. The open circuit voltage ranges from 2.02 V to 2.46 V and the short circuit current ranges from 570 muA to 1030 muA.
引用
收藏
页码:355 / 361
页数:7
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