Li|SPE|Li体系阻抗谱分析  

Impedance analysis of Li|SPE|Li system

作　　者：马俊涛[1] 梁美霞[1] 李洪武[1] 吴绍娇 张翠芬[1] 

机构地区：[1]广东江门三捷电池实业有限公司博士后工作站

出　　处：《电池》2004年第6期420-421,共2页Battery Bimonthly

基　　金：第34批中国博士后科学基金项目(LRB00038;2003-2004);广东省科技攻关项目(2003C105006)

摘　　要：为了深入研究对称锂金属电极聚合物电池的界面特性,以PEO为基质,并复配少量纳米无机填料及低分子乙氧化物,制备了固态纳米复合聚合物电解质膜,组装成对称锂金属电极模拟电池,利用交流阻抗法进行测试,并设计出等效电路对测试数据进行拟合,通过数学推导确定了各元件在复数平面图上的对应位置。该等效电路对PEO基固态聚合物电解质体系具有非常好的拟合效果。To study the interfacial properties of systematic Li metal electrode polymer battery, a novel solid nano composite polymer electrolyte based on PEO system with a little content of inorganic fillers and low molecular weight ethylene-oxide compounds was prepared, and the cells with systematic Li metal electrodes were made and measured by alternating current impedance method.An equivalent circuit was proposed to fit the measured data,and the accurate position of each electrochemical components were determined by mathematically deduced.The results showed the circuit was fitted very well with the measured data.

关 键 词：固态高分子电解质(SPE) 聚氧化乙烯(PEO) 交流阻抗 对称锂电极 

分 类 号：TM912.9[电气工程—电力电子与电力传动]