锂离子电池正极材料LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2的研究进展

Progress of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 as Cathode Material of Lithium Ion Batteries

锂离子电池正极材料Li Ni1/3Co1/3Mn1/3O2具有比商业化正极材料——LiCoO2更低廉的成本、更低的毒性、更好的热稳定性,近年来受到广大科研工作者的关注。主要介绍了Li Ni1/3Co1/3Mn1/3O2正极材料的合成改性方法及其近年来在电化学性能方面所取得的成果和进展,并简要概括了该材料结构和发展趋势。不断提高Li Ni1/3Co1/3Mn1/3O2正极材料的振实密度以及电化学性能特别是其在高倍率充放电条件下的循环性能将成为相关科研工作者的研究重点。

LiNi1/3Co1/3Mn1/3O2 has attracted more and more attentions from scientists for its excellent properties, such as low cost, low toxicity and high thermal stability, as a cathode material recent years. The major methods of synthesizing and modifying LiNi1/3Co1/3Mn1/3O2 are introduced. The achievements of this scientific research area in recently years are also displayed. Moveover the structure details and the trends of development about this material were discussed. The improvement of tap density and electrochemical properties, especially its cyclability tested at high rate, will continue to be the main target of scientists.