核壳结构的5V正极材料Li[(Ni0.5Mn1.5)0.5(Ni0.3Mn1.3Co0.4)0.5]O4的制备和应用

来源 :中国化学会第十七次全国电化学大会 | 被引量 : 0次 | 上传用户:loughtjiang
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LiNi0.5Mn1.5O4是通过向LiMn2O4掺杂Ni得到的新一代高电压锂离子电池正极材料,其结构与LiMn2O4相似,为尖晶石结构.并当Ni代替部分Mn后,改善了Mn3+存在导致的LiMn2O4结构不稳定性,LiNi0.5Mn1.5O4具有高的能量密度、高的充放电平台、良好的倍率充放电性能以及低成本易于合成等优点,是正极材料中的研究热点.
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