醌胺聚合物电化学性能的研究  

Electrochemical Properties of Poly(Amine Quinone)

作　　者：李海普[1] 万俊杰[1] 王帅[1] 常庆伟[1] 欧阳明[1] 

机构地区：[1]中南大学化学化工学院,长沙410083

出　　处：《材料导报》2009年第24期107-111,共5页Materials Reports

基　　金：湖南省自然科学基金(099JJ3100)

摘　　要：采用循环伏安法考察了由溶液法及微波辅助固相法制备的醌胺聚合物的电化学性能。结果表明,采用微波固相法制备的产物具有更高的电极活性、容量、循环稳定性和重现性。将此法制得的醌胺聚合物与金属锂组装成模拟电池,进行恒电流充放电测试。实验结果表明,模拟电池的充放电效率最高可达92.7%,比容量约为41mA·h/g。The electrochemical properties of poly（amine quinine）s, which are synthesized by solution polymerization or microwave assisted solid-state polymerization, are investigated by cyclic voltammetry. The results shaow that the polymer obtained via solid-state reaction exhibits higher activity, larger capacity, improved cyclic stability and favorable reproducibility, when compared with its counterpart prepared by solution reaction. The former is further used as cathode to assemble model lithium ion batteries. The charge-discharge experiments indicate that the efficiency can reach as high as 92. 7%, and the specific capacity can be about 41mA · h/g.

关 键 词：醌胺聚合物 电化学性能 功能高分子 正极材料 锂离子电池 

分 类 号：TQ637[化学工程—精细化工] TG139.7[一般工业技术—材料科学与工程]