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Citation: Xie Dong, Xie Hongquan. POLYMERIC SOLID ELECTROLYTES-THE RELATION BETWEEN CONDUCTIVE BEHAVIOR AND STRUCTURE OF THE POLYOXYETHYLENE-ALKALI THIOCYANATE COMPLEXES[J]. Chinese Journal of Applied Chemistry, ;1989, 6(1): 46-49. shu

POLYMERIC SOLID ELECTROLYTES-THE RELATION BETWEEN CONDUCTIVE BEHAVIOR AND STRUCTURE OF THE POLYOXYETHYLENE-ALKALI THIOCYANATE COMPLEXES

Xie Dong ¹ ,
Xie Hongquan ²

1.
1. Wuhan Institute of Foodstuff Industry;
2.
2. Huazhong University of Science and Technology, Wuhan

Received Date: 1 March 1988
Available Online: 18 July 1988

Ionic conductivity behavior of complexes obtained from high molecular weight polyoxyethylene (PEO) and NaCNS or KCNS has been studied.The results showed that the complexes at EO/metal ratio>4 exhibited a knee in the Arrhenius plot of conductivity vs temperature. At EO/NaCNS=20, conductivity at 25℃ approached 2.8×10^-6Ω^-1cm^-1, which is higher than those at EO/NaCNS=4 or 50. For complexes of PEO with KCNS the conduetivity at 25℃ reached 2×10^-5Ω^-1cm^-1 at EO/KCNS=20, while at EO/KCNS=4 the conductivity obeyed the Arrhenius equation at the temperature ranging from 20 to 90℃. Addition of γ-butyrolactone evidently increases the conductivity of the complex.
- Polymeric solid electrolyne,
- Polyether complex with thiocyanate,
- Polyoxyehylene
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