| 前处理工艺对Li[Ni1/3Mn1/3Co1/3]O2正极材料结构、形貌和电化学性能的影响（英文） |
| |
| 引用本文： | 杨顺毅,王先友,刘子玲,陈权启,杨秀康,魏启亮. 前处理工艺对Li[Ni1/3Mn1/3Co1/3]O2正极材料结构、形貌和电化学性能的影响（英文）[J]. 中国有色金属学会会刊, 2011, 21(9): 1995-2001. DOI: 10.1016/S1003-6326(11)60962-X |
| |
| 作者姓名： | 杨顺毅 王先友 刘子玲 陈权启 杨秀康 魏启亮 |
| |
| 作者单位： | 湘潭大学化学学院环境友好化学与应用教育部重点实验室; |
| |
| 基金项目： | Project(20871101)supported by the National Natural Science Foundation of China; Project(2009WK2007)supported by Key Project of Science and Technology Department of Hunan Province,China; Project(CX2009B133)supported by Colleges and Universities in Hunan Province Plans to Graduate Research and Innovation,China |
| |
| 摘 要： | 以[Ni1/3Co1/3Mn1/3]3O4和氢氧化锂为原料,分别采用球磨法和液相法前处理工艺制备层状正极材料Li[Ni1/3Mn1/3Co1/3]O2。采用X？射线衍射（XRD）、场发射扫描电镜（FESEM）、恒流充放电等手段对材料的物理和电化学性能进行表征。结果表明：采用不同前处理工艺制备出的Li[Ni1/3Mn1/3Co1/3]O2材料在结构、形貌和电化学性能上有较大差异;与球磨处理法制备的材料相比,采用液相法前处理工艺制备的Li[Ni1/3Mn1/3Co1/3]O2不但保持了前驱体较好的球形形貌,同时还具有较好的循环稳定性和倍率性能;该样品在20mA/g电流密度下,首次放电容量为178mA·h/g,50次循环后,容量保持率达98.7%;在1000mA/g电流密度下,样品容量为135mA·h/g。
|
| 关 键 词： | 锂离子电池 Li O2 碳酸盐共沉淀法 前处理工艺 电化学性能 |
| 收稿时间： | 2010-09-28 |
Influence of pretreatment process on structure, morphology and electrochemical properties of Li[Ni_(1/3)Co_(1/3)Mn_(1/3)]O_2 cathode material |
| |
| YANG Shun-yi,WANG Xian-you,LIU Zi-ling,CHEN Quan-qi,YANG Xiu-kang,WEI Qi-liang Key Laboratory of Environmentally Friendly Chemistry , Applications of Ministry of Education,School of Chemistry,Xiangtan University,Xiangtan ,China. Influence of pretreatment process on structure, morphology and electrochemical properties of Li[Ni_(1/3)Co_(1/3)Mn_(1/3)]O_2 cathode material[J]. Transactions of Nonferrous Metals Society of China, 2011, 21(9): 1995-2001. DOI: 10.1016/S1003-6326(11)60962-X |
| |
| Authors: | YANG Shun-yi WANG Xian-you LIU Zi-ling CHEN Quan-qi YANG Xiu-kang WEI Qi-liang Key Laboratory of Environmentally Friendly Chemistry Applications of Ministry of Education School of Chemistry Xiangtan University Xiangtan China |
| |
| Affiliation: | YANG Shun-yi,WANG Xian-you,LIU Zi-ling,CHEN Quan-qi,YANG Xiu-kang,WEI Qi-liang Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education,School of Chemistry,Xiangtan University,Xiangtan 411105,China |
| |
| Abstract: | The layered Li[Ni1/3Mn1/3Co1/3]O2 was separately synthesized by pretreatment process of ball mill method and solution phase route, using [Ni1/3Co1/3Mn1/3]3O4 and lithium hydroxide as raw materials. The physical and electrochemical behaviors of Li[Ni1/3Mn1/3Co1/3]O2 were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), field emission scanning electron microscopy (FESEM) and electrochemical charge/discharge cycling tests. The results show that the difference in pretreatment proces... |
| |
| Keywords: | lithium ion batteries Li[Ni1/3Co1/3Mn1/3]O2 carbonate co-precipitation method pretreatment process electrochemical characteristics |
| 本文献已被 CNKI 维普 ScienceDirect 等数据库收录！ |
|
