Effect of PVAc Dispersal Into PVA-NH4SCN Polymer Electrolyte

被引：23
|
作者：
Shukla, P. K. [1 ]
Agrawal, S. L. [1 ]
机构：
[1] APS Univ, Dept Phys, Rewa 486003, MP, India
来源：
IONICS | 2000年 / 6卷 / 3-4期
关键词：
Differential Scanning Calorimetry; Polymer Electrolyte; Plateau Region; PVAc; Transport Study;
D O I：
10.1007/BF02374081
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The present paper deals with ion transport studies on a new proton conducting composite polymer electrolyte - (PVA(x):NH(4)SCN)(y):PVAc system. Complexation and morphology of the composite electrolyte films are discussed on the basis of X-ray diffraction and differential scanning calorimetry data. Coulometry and transient ionic current measurements revealed charge transport through protons. The maximum ion conductivity was found to be 7.4.10(-4) S.cm(-1) for the composition: x = 0.15, y = 0.12. The observed conductivity behaviour is correlated to the morphology of the films. The temperature dependence of the electrical conductivity exhibits Arrhenius characteristics in two different temperature ranges separated by a plateau region related to morphological changes occurring in the electrolyte.
引用
收藏
页码：312 / 320
页数：9
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