Zirconium doped LiNi0.91Co0.06Mn0.03O2cathode as a superior cathode for lithium ion batteries

被引：2
|
作者：
Lee, Seung-Hwan [1 ]
机构：
[1] Daejeon Univ, Dept Adv Mat Engn, Daejeon 34520, South Korea
来源：
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2020年 / 21卷 / 05期
关键词：
Zr-doped Ni-rich layered LiNi0.91Co0.06Mn0.03O2; Cation ordering; Morphology; Electrochemical performances;
D O I：
10.36410/jcpr.2020.21.5.592
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, well-crystallized Zr-doped Ni-rich layered LiNi0.91Co0.06Mn0.03O2 cathode is prepared by solid state method and its structural properties and electrochemical performances in lithium-ion cells is investigated. The Zr-doped LiNi0.91Co0.06Mn0.03O2 has superior cation ordering and the morphology of Zr-doped LiNi0.91Co0.06Mn0.03O2 was the same as pristine LiNi0.91Co0.06Mn0.03O2. The 0.5 wt% Zr-doped LiNi0.91Co0.06Mn0.03O2 shows better electrochemical performances such as initial discharge capacity of 210.5 mAh g(-1), rate capability of 75.4 % at 2 C and cycling retention of 94.5 % after 50 cycles. It can be elucidated by the role of the Li2ZrO3 layer and Zr substitution in LiNi0.91Co0.06Mn0.03O2.
引用
收藏
页码：592 / 595
页数：4
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