PTMA/LiMn_2O_4复合正极材料及电化学性能  

PTMA/LiMn_2O_4 compound cathode materials for Li-ion battery and its electrochemical properties

作　　者：邓凌峰[1] 魏银烨[1] 陈洪[1] 

机构地区：[1]中南林业科技大学材料科学与工程学院,湖南长沙410004

出　　处：《电池工业》2009年第6期373-376,共4页Chinese Battery Industry

摘　　要：介绍了用于锂离子电池的一种有机-无机复合正极材料PTMA/LiMn_2O_4的制备方法,报导了PTMA/LiMn_2O_4复合材料的循环伏安特性、交流阻抗、循环性能以及高倍率充放电特性。试验结果表明:PTMA/LiMn_2O_4复合正极材料具有比较优良的循环稳定性和大电流充放电性能,是一种性能优良的锂离子电池正极材料。The synthesis of poly（2,2,6,6-tetramethylpiperidinyloxy methacrylate）（PTMA）/lithium manganese oxide（LiMn2O4） compound materials for Li-ion batteries were introduced in this paper.And the cyclic voltammetry,EIS,cyclic performance and high-rate charge/discharge properties of the asprepared materials were reported.The experimental results showed that PTMA/LiMn2O4 possessed an excellent cyclic stability and high rate performance,and it was a excellent material for Li-ion batteries.

关 键 词：聚4-甲基丙烯酸-2 2 6 6-四甲基哌啶-1-氮氧自由基(PTMA) LIMN2O4 电化学性能 锂离子电池 

分 类 号：O657[理学—分析化学] TM912.9[理学—化学]