Ionic conductivity and discharge characteristics of solid-state battery based on novel polymer electrolyte (PEO + NaBiF4)

被引：55

作者：

Mohan, VM ^{[1
]}

Raja, V ^{[1
]}

Sharma, AK ^{[1
]}

Rao, VVRN ^{[1
]}

机构：

[1] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2005年 / 94卷 / 2-3期

关键词：

polymer electrolyte; conductivity; ion transference number; battery; discharge characteristics;

D O I：

10.1016/j.matchemphys.2005.05.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The polymer electrolyte composed of a polyethylene oxide (PEO) polymer and NaBiF4 as a salt were prepared using solution cast technique. The complexation of the films was investigated through X-ray diffraction (XRD) studies. Measurements of DC conductivity in the temperature range 300-370 K and transference numbers using Wagner's polarization technique have been carried out to investigate the charge transport in this polymer electrolyte system. The electrical conductivity of the films was found to increase with increasing do pant concentration. The conductivity-temperature plots are found to follow an Arrhenius nature, which showed the decrease in activation energy with the increasing salt concentration. The charge transport in this polymer electrolyte system is predominantly due to ions as was observed from the transference number measurement data. Using the polymer electrolyte, solid-state electrochemical cells were fabricated. The various cell parameters are evaluated and compared with earlier reports. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：177 / 181

页数：5

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