锂离子电池三元正极材料的研究进展

Research progress in ternary cathode materials Li(Ni,Co,Mn)O_2 for lithium ion batteries

含有三种过渡金属元素的镍钴锰酸锂(Li(Ni,Co,Mn)O2,简称三元材料)作为最有商业化前途的锂离子电池正极材料,近年来受到了研究者和工业界广泛关注,有望成为动力电池的主要正极活性物质.本文对几种主要组成的三元材料(111,523,424,811)的合成工艺、材料掺杂和表面包覆改性、电解液匹配三方面的最新研究进展进行了综述,并对其商业化应用前景进行了展望和评价.

As the most promising commercial lithium-ion battery, the ternary transition metal oxides Li（Ni,Co,Mn）O2 have been widespread concerned by researchers and companies in recent years. They are expected to become a series of major cathode active material for EV batteries. The latest research progress on Li（Ni,Co,Mn）O2 is reviewed in terms of synthetic methods, property modifications and suitable electrolyte functional additives. Finally, its commercial application prospects are discussed and evaluated.