镍钴锰三元正极材料是一种重要的锂离子电池正极材料,较钴酸锂、镍酸锂和锰酸锂具有更好的优点,更具商业前景。但是镍钴锰正极材料也存在一些问题,如循环稳定性差,镍含量较高时循环性能和热稳定性变差,进而影响了锂离子电池的性能。综述了镍钴锰正极材料的制备方法、结构、掺杂改性和包覆修饰的研究进展,在此基础上,并对镍钴锰正极材料的未来应用前景作出了展望。
Nickel cobalt manganese ternary anode materials are one of the most important anode materials of lithium ion batteries.Compared with lithium manganese oxide,lithium nickel manganese oxide and lithium manganese oxide,it has better advantages and business prospects poor.However,nickel cobalt manganese anode materials also have some problems,such as poor cyclic stability.When the content of nickel is high,the cyclic performance and thermal stability become worse,which affecting the performance of lithium ion batteries.The research progress on synthesis methods,structure,doping modification and coating modification of nickel cobalt manganese anode materials were reviewed.Furthermore,the future application prospect of nickel cobalt manganese anode materials was also prospected.
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