%0 Journal Article %T 锂源对固相合成LiNi0.5Co0.2Mn0.3O2正极材料性能的影响<br>Effects of Lithium Sources on the Performance of LiNi_0.5Co_0.2Mn_0.3O_2Cathode Material Derived by SolidState Method %A 赵瑞瑞 %A 杨子莲 %A 杜鹏 %A 陈占军 %A 李爱菊 %A 陈红雨< %A br> %A Zhao Ruirui %A Yang Zilian %A Du Peng %A Chen Zhanjun %A Li Aiju %A Chen Hongyu %J 华南师范大学学报(自然科学版) %D 2015 %R 10.6054/j.jscnun.2014.12.017 %X 采用高温固相法烧结制备得到正极材料LiNi_0.5Co_0.2Mn_0.3O_2,通过X射线衍射(XRD)、扫描电镜(SEM)以及循环伏安(CV)、交流阻抗(EIS)等电化学性能测试手段,探讨高温烧结工艺中不同锂源对材料结构、形貌及电化学性能的影响,结果表明,采用LiOH作为锂源合成的材料与采用其他锂源相比,具有较好的层状结构和电化学性能.该材料在0.1C倍率下的首次充放电容量和库伦效率较高(172.7 mAh/g,89.08%),在0.5C、1C倍率下循环50次后,材料的放电容量仍保持在144.5 m<br>: A solidstate method was used to synthesize cathode material LiNi_0.5Co_0.2Mn_0.3O_2 for lithium ion batteries. Different lithium sources were used in the synthesis process. XRD, SEM as well as electrochemical methods were employed to character the per %K 锂源 %K LiNi_0.5Co_0.2Mn_0.3O_2 %K 正极材料 %K 锂离子电池 %K < %K br> %K lithium sources %K LiNi_0.5Co_0.2Mn_0.3O_2 %K cathode %K lithium ion battery %U http://journal.scnu.edu.cn:8080/jwk_xbzrb/CN/abstract/abstract3446.shtml