纳米SiO_2复合的梳状聚醚聚合物电解质的导电性能研究

CORC > 厦门大学 > 2007年第13卷

	纳米SiO_2复合的梳状聚醚聚合物电解质的导电性能研究; Studies on the Ion Conductive Performance of Composite Polymer Electrolyte Containing Nano-scale SiO_2
	叶霖 ; 赵玉美 ; 张晓雯 ; 冯增国 ; 白莹 ; 吴锋 ; YE Lin ; ZHAO Yu-mei ; ZHANG Xiao-wen ; FENG Zeng-guo ; BAI Ying ; WU Feng
刊名	http://electrochem.xmu.edu.cn/CN/abstract/abstract8750.shtml
	2007-02-28
关键词	纳米SiO2 聚合物电解质离子电导率玻璃化温度结晶 nano SiO2 polymer electrolyte ion conductivity glass transition temperature crystallization
英文摘要	于含锂盐的梳状聚醚聚合物电解质添加纳米S iO2制备复合聚合物电解质.并分别使用DSC和XRD研究S iO2对聚合物链段运动能力的影响.电导率测试表明,在相同的锂盐浓度下,加入5%的纳米S iO2后,聚合物电解质具有最高的离子电导率,30℃时为7.8×10-5S/cm,80℃时达到4.5×10-4S/cm.与未添加S iO2的聚合物电解质相比,电导率提高了30%~60%.TGA测定给出该聚合物的热分解温度为300℃左右,显示出良好的安全性能.; Nano-silicon oxide was doped into a novel comblike polyether,poly(3-(methoxy(triethylenoxy))methyl-3'-methyloxetane) to prepare a series of composite polymer electrolyte.The ion conductivity measurement revealed that the composite polymer electrolyte added with 5% weight fraction of SiO2 has the highest ion conductivity of 7.8×10-5 S/cm at 30℃ and 4.5×10-4 S/cm at 80℃,which is increased 30%~60% as compared to the polymer electrolyte without adding any SiO2.DSC results implied that the nano-silicon oxide inserts into the macromolecule chains to increase the free volume and decrease the glass transition temperature to enhance the ion conductivity.In addition,it seems that the crystallization occurred due to the hydrogen bonds between hydroxyl group on the surface of silicon oxide and oxygen atoms on the polymer chains.And XRD spectrum demonstrated the existence of micro-crystals.The heat decomposition temperature was detected by TGA,indicating the good heat stability of this composite polymer electrolyte.; 作者联系地址：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国家高技术绿色材料发展中心,北京100081,国家高技术绿色材料发展中心,北京100081; Author's Address: 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
语种	中文
出版者	厦门大学《电化学》编辑部
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/58103]
专题	2007年第13卷
推荐引用方式 GB/T 7714	叶霖,赵玉美,张晓雯,等. 纳米SiO_2复合的梳状聚醚聚合物电解质的导电性能研究, Studies on the Ion Conductive Performance of Composite Polymer Electrolyte Containing Nano-scale SiO_2[J]. http://electrochem.xmu.edu.cn/CN/abstract/abstract8750.shtml,2007.
APA	叶霖.,赵玉美.,张晓雯.,冯增国.,白莹.,...&WU Feng.(2007).纳米SiO_2复合的梳状聚醚聚合物电解质的导电性能研究.http://electrochem.xmu.edu.cn/CN/abstract/abstract8750.shtml.
MLA	叶霖,et al."纳米SiO_2复合的梳状聚醚聚合物电解质的导电性能研究".http://electrochem.xmu.edu.cn/CN/abstract/abstract8750.shtml (2007).