梳形聚醚全固态聚合物电解质的电导率研究

电化学（中英文） ›› 2006, Vol. 12 ›› Issue (1): 29-34.

梳形聚醚全固态聚合物电解质的电导率研究

叶霖;高鹏;冯增国;吴锋;陈实;王国庆;

北京理工大学材料科学与工程学院,北京理工大学材料科学与工程学院,北京理工大学材料科学与工程学院,北京理工大学化工与环境学院,北京理工大学化工与环境学院,北京理工大学化工与环境学院北京100081,北京100081,北京100081,北京100081,国家高技术绿色材料发展中心,北京100081,北京100081,国家高技术绿色材料发展中心,北京100081,北京100081,国家高技术绿色材料发展中心,北京100081

收稿日期:2006-02-28 修回日期:2006-02-28 出版日期:2006-02-28 发布日期:2006-02-28

Conductivity of Comb Polyether Pure Solid Polymer Electrolyte

YE Lin~

(1),GAO Peng~(1),FENG Zeng-guo~(*1),WU Feng~(2,3),CHEN Shi~(2,3),WANG Guo-qing~(2,3)(1.School of Materials Science & Engineering,Beijing Institute of Technology,Beijing 100081,China,2.School of Chemical Engineering & Environment,Beijing Institute of Technology,Beijing 100081,China,3.Laboratory of National Development Center of Hi-Tech Green Materials,Beijing 100081,China

Received:2006-02-28 Revised:2006-02-28 Published:2006-02-28 Online:2006-02-28

摘要/Abstract

摘要： 应用阳离子开环聚合反应合成含二缩三乙二醇单甲醚侧链的梳形聚醚POE,并与高氯酸锂复配制成聚合物电解质.交流阻抗测试表明,当POE电解质内的氧锂比(O/L i)为20时,其电导率最高,室温下为10-4.43S/cm,80℃时则达到10-3.44S/cm.用DSC和XPS分别表征了链段运动能力和锂盐在POE中的溶解状态对电导率的影响.

关键词: 氧杂环丁烷单体, 梳形聚醚, 聚合物电解质, 电导率

Abstract: A comb polymer was synthesized through cationic ring-opening polymerization starting from a monomer 3-hydroxymethyl-3-methyl-oxetane.The ion conductivity was measured by CHI660A electrochemical station under various lithium salt concentrations and various temperatures.The highest ion conductivity was recorded to be 10~(-4.43)S/cm at room temperature and 10~(-3.44)S/cm at 80 ℃.DSC results showed that the segment moves more difficultly with the increasing of lithium salts concentration.XPS found the existence of aggregating lithium ions in POE5 and POE10,and it suggested that POE20 had a suitable lithium concentration for polymer electrolyte.

Key words: Oxetane, Comb polyether, Polymer electrolyte, Ion conductivity

中图分类号:

O631

叶霖;高鹏;冯增国;吴锋;陈实;王国庆;. 梳形聚醚全固态聚合物电解质的电导率研究[J]. 电化学（中英文）, 2006, 12(1): 29-34.

YE Lin~. Conductivity of Comb Polyether Pure Solid Polymer Electrolyte[J]. Journal of Electrochemistry, 2006, 12(1): 29-34.

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链接本文: https://electrochem.xmu.edu.cn/CN/

https://electrochem.xmu.edu.cn/CN/Y2006/V12/I1/29

参考文献

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