碳酸乙烯酯(EC)增塑的(PEO)16LiClO4聚电解质电导率的研究

北京大学学报（自然科学版）

碳酸乙烯酯(EC)增塑的(PEO)₁₆LiClO₄聚电解质电导率的研究

钱新明,古宁宇,程志亮,杨秀荣,董绍俊

中国科学院长春应用化学研究所电分析化学开放实验室，长春，130022

收稿日期:2000-06-17 出版日期:2001-03-20 发布日期:2001-03-20

Ionic Conductivity of(PEO)₁₆/LiClO₄ Polymer Electrolyte Plasticized with Ethylene Carbonate(EC)

QIAN Xinming，GU Ningyu，CHENG Zhiliang，YANG Xiurong，DONG Shaojun

Changchun Insititute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130023, China

Received:2000-06-17 Online:2001-03-20 Published:2001-03-20

摘要/Abstract

摘要： 采用差示扫描量热法(DSC)和交流阻抗方法对EC增塑的(PEO)₁₆LiClO₄聚电解质进行了研究。结果表明(PEO)₁₆LiClO₄/EC体系的玻璃化转变温度(t_g)及PEO的结晶度(X_c)降低，电导率(б)增加，且б与温度(T)的关系符合Arrhenius行为。提出了离子导电聚电解质/不锈钢(SS)这种结构的界面双层结构和交流阻抗谱图的模拟等效电路。

关键词: 聚合物电解质, 增塑, 电导率, 交流阻抗

Abstract: The Polyethylene oxide(PEO)₁₆/LiClO₄ polymer electrolyte plasiticized with EC was studied using Differential Scanning Calorimetry(DSC)and impedance spectroscopy. It is found that the conductivity of the plasticized films were increased and the temperature dependence of the conductivity is Arrhenius-like. Moreover, a schematic of the electrical double layer and an equivalent circuit relative to the SS/polymer-electrolyte/SS structure were proposed.

Key words: polymer electrolyte, plasticize, ionic conductivity, impedance pectroscopy

中图分类号:

O636

钱新明,古宁宇,程志亮,杨秀荣,董绍俊. 碳酸乙烯酯(EC)增塑的(PEO)₁₆LiClO₄聚电解质电导率的研究[J]. 北京大学学报（自然科学版）.

QIAN Xinming,GU Ningyu,CHENG Zhiliang,YANG Xiurong,DONG Shaojun. Ionic Conductivity of(PEO)₁₆/LiClO₄ Polymer Electrolyte Plasticized with Ethylene Carbonate(EC)[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

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https://xbna.pku.edu.cn/CN/Y2001/V37/I2/182

碳酸乙烯酯(EC)增塑的(PEO)₁₆LiClO₄聚电解质电导率的研究

Ionic Conductivity of(PEO)₁₆/LiClO₄ Polymer Electrolyte Plasticized with Ethylene Carbonate(EC)

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