煅烧条件对钛酸锂电化学性能的影响  

Effects of Calcination Conditions on the Electrochemical Performance of Lithium Titanat

作　　者：赵洪[1] 刘锦平[1] 李晓磊[1] 安峰[1] 宋晓莉[1] 

机构地区：[1]中海油天津化工研究设计院,天津300131

出　　处：《广州化工》2012年第6期87-89,共3页GuangZhou Chemical Industry

摘　　要：采用固相法合成钛酸锂,着重考察了煅烧温度、煅烧时间对产物比表面积、振实密度及电化学性能的影响,确定了最佳合成工艺条件。实验结果表明:煅烧温度为850℃,煅烧时间为20 h时产品的循环性能比较好,初始容量达到163.8 mAh/g,20次循环后的容量仍可达160 mAh/g以上。Lithium titanat was prepared by solid state method.The effects of the calcination temperature and calcination temperature on the product structure and electrochemical performance were investigated.The results showed that when the product was calcinated at 850 ℃ for 20 h,the initial specific capacity reached 163.8 mAh/g,and the specific capacity remained above 160 mAh/g after 20 cycles.

关 键 词：锂离子电池 负极材料 钛酸锂 

分 类 号：TM912.9[电气工程—电力电子与电力传动]