层状结构Li[Ni,Co,Mn]O_2正极材料制备与改性研究进展

Progress in preparation and modification of layer-structured Li[Ni,Co,Mn]O_2 cathode material for lithium ion batteries

介绍了层状结构的Li[Ni,Co,Mn]O2作为锂离子电池正极材料具有良好发展潜力,制备过程与条件对Li[Ni,Co,Mn]O2的结构、性能与生产成本有重要的影响,表面修饰与改性是进一步提高其性能和稳定性的重要途径。归纳了Li[Ni,Co,Mn]O2正极材料的各种制备方法,并对各种改性方法进行比较。分析了层状结构Li[Ni,Co,Mn]O2正极材料存在的问题和今后的研究重点。

Layer-structured Li[Ni,Co,Mn]O2 is a very promising cathode material for Li-ion batteries. The preparation process and reaction condition have significant influence on the structure, properties and manufacturing cost of the material. Surface modification for Li[Ni,Co,Mn]O2 is an important approach to improving electrochemical performance. In this paper, the recent research progress about various synthesis methods and modification of Li[Ni,Co,Mn]O2 is reviewed and analyzed in detail. Finally, the current main problems and further R＆D trend of the material are also discussed.