【作者】 许金梅； 姜艳霞； 庄全超； 金兰英； 樊小勇； 孙世刚；

【Author】 XU Jin-mei, JIANG Yan-xia , ZHUANG Quan-chao, JIN Lan-ying, FAN Xiao-yong, SUN Shi-gang State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China

【机构】 厦门大学固体表面物理化学国家重点实验室化学化工学院化学系；

【摘要】 以表面-CH3修饰的SBA-15分子筛为无机填料制备了PEO10-LiClO4／x％1SBA-15复合聚合物电解质,测定了不同无机填料含量的复合聚合物电解质的室温离子电导率。以傅里叶变换红外光谱(FTIR)技术为探测手段,测量了无机填料的含量对室温下聚合物基体的结晶状况的影响。结合电化学和红外光谱数据,探索了复合聚合物电解质离子导电增强作用的机制。更多还原

【Abstract】 The safety of Li battery with Li metal as anode is a vital issue. An approach involved replacing the liquid electrolyte by a dry polymer electrolyte, leading to the so-called Li solid polymer electrolyte (Li-SPE) batteries. The development of polymer electrolytes with high ionic conductivity has become one of the objectives in polymer research. In the present work, methyl group-functionalized mesoporous silica SBA-15 was synthesized and used as an inorganic filler to prepare the composite state polymer electrolyte. The ionic conductivity of CSPE was investigated and the effect of addition of molecular sieves on the crystallization of polymer was studied by infrared transmission spectra. The results show that the crystallinity of PEO affects the ionic conductivity of CSPE in our systems, but it is not the only factor.更多还原