化工进展2012，Vol.31Issue(11)：2526-2530,2541,6.
制备方法对Li_（1.2）Ni_（0.17）Co_（0.07）Mn_（0.56）O_2富锂正极材料电化学性能的影响
Study on the electrochemical performance of Li_(1.2)Ni_(0.17)Co_(0.07)Mn_(0.56)O_2 synthesized by different methods
摘要
Abstract
Lithium rich Li1.2Ni0.17Co0.07Mn0.56O2 cathode materials for lithium ion batteries were synthesized by three different methods:a spray-drying method,a co-precipitation method and a solid-state reaction method.Electrochemical tests show that the sample prepared by the spray-drying method presents the best cycling performance with discharge capacity of 153.4 mA?h?g-1 at 1 C rate.No degradation was observed after 50 cycles.While the samples prepared by the co-precipitation method and the solid-state reaction method delivered the capacity of 133.5 mA?h?g-1 and 123.6 mA?h? g-1,respectively,after 50 cycles under 1 C rate charge-discharge.The results of ICP measurements indicate that only the composition of the sample prepared by the spray-drying method can exactly consist with the formula Li1.2Ni0.17Co0.07Mn0.56O2.Furthermore,FSEM observation shows that the sample by spray-drying method has smaller particle size with even particle size distribution,which would benefit its electrochemical performance.关键词
锂离子电池/富锂正极材料/Li1.2Ni0.17Co0.07Mn0.56O2/喷雾干燥法/共沉淀法/固相法Key words
Lithium-ion battery/Lithium rich cathode material/Li1.2Ni0.17Co0.07Mn0.56O2/spray-drying method/co-precipitation method/solid-state reaction method分类
化学化工引用本文复制引用
陈何,王红,吴继平,阳炳检,廖小珍,何雨石,马紫峰..制备方法对Li_（1.2）Ni_（0.17）Co_（0.07）Mn_（0.56）O_2富锂正极材料电化学性能的影响[J].化工进展,2012,31(11):2526-2530,2541,6.基金项目
国家自然科学基金 （）
上海市科学技术委员会科技支撑项目 （）
