引用本文:
谢东, 谢洪泉. 高分子固体电解质-聚醚-硫氰酸盐络合物的电导与结构关系[J]. 应用化学,
1989, 6(1): 46-49.
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.
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.
高分子固体电解质-聚醚-硫氰酸盐络合物的电导与结构关系
摘要:
关于高分子量聚环氧乙烷(PEO)与碱金属硫氰酸盐络合物电导方面的工作先后报道的有Wright[1,3]、Tanzella[4]、Lee[5]及王超英[8]等。本工作研究PEO中EO链节与NaCNS或KCNS的摩尔比及添加γ-丁内酯对导电率的影响以及其结晶结构与导电率的关系,得到某些尚未见报道的结果。
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关键词:
- 高分子固体电解质
- / 聚醚-硫氰酸盐络合物
- / 聚环氧乙烷
English
POLYMERIC SOLID ELECTROLYTES-THE RELATION BETWEEN CONDUCTIVE BEHAVIOR AND STRUCTURE OF THE POLYOXYETHYLENE-ALKALI THIOCYANATE COMPLEXES
Abstract:
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.
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