Abstract: Layered structure LiNi1/3Co1/3Mn1/3O2 composite compound is considered as a promising candidate of new-generation cathode materials to replace LiCoO2 for rechargeable lithium ion batteries due to its higher capacity，longer cycle life，lower cost and no harm to environment. The structure characteristics of LiNi1/3Co1/3Mn1/3O2 and its electrochemistry properties were introduced. And then the synthesis methods this kind of cathode materials for lithium ion batteries were summarized. Anion ion doping，cation ion doping，complex ions and surface modification for cathode materials were discussed. Some problems in this cathode material research and development were presented，the and its future trend of lithium ion batteries cathode materials was forecasted.

摘要： 层状结构材料LiNi1/3Co1/3Mn1/3O2具有高比容量、高循环性能、低成本和环保等优点，有望取代LiCoO2成为新一代锂离子电池正极材料。在介绍LiNi1/3Co1/3Mn1/3O2的结构特点和电化学反应特性的基础上，对其主要合成方法进行了详细评述，总结了该正极材料的阴阳离子掺杂、复合离子掺杂以及表面包覆改性等技术，指出国内外目前锂离子电池材料研究中存在的问题和未来的发展方向。