New molten salt synthesis of LiNi0.5Mn1.5O4 cathode material

被引：7
|
作者：
Liang, Changqing [1 ,2 ,3 ]
Li, Lingmeng [1 ,2 ,3 ]
Fang, Haisheng [1 ,2 ,3 ]
机构：
[1] Kunming Univ Sci & Technol, Key Lab Adv Battery Mat Yunnan Prov, Kunming 650093, Yunnan, Peoples R China
[2] Kunming Univ Sci & Technol, Key Lab Nonferrous Met Vacuum Met Yunnan Prov, Kunming 650093, Yunnan, Peoples R China
[3] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Yunnan, Peoples R China
来源：
MATERIALS RESEARCH EXPRESS | 2018年 / 5卷 / 07期
基金：
中国国家自然科学基金;
关键词：
lithium ion battery; LiNi0.5Mn1.5O4; molten salt method; NaCl flux; NANO-CRYSTALLINE LINI0.5MN1.5O4; SPINEL LINI0.5MN1.5O4; ELECTRODE MATERIALS; PERFORMANCE; LIMN1.5NI0.5O4;
D O I：
10.1088/2053-1591/aad160
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new molten salt method is designed to synthesize spinel LiNi0.5Mn1.5O4 cathode material, and the reaction medium NaCl is in situ formed in the process of precursor preparation via room temperature solid-state reactions. Pure LiNi0.5Mn1.5O4 can be successfully synthesized at 950 degrees C in an open alumina crucible in air and a further rise in heating temperature leads to the appearance of a small amount of impurity. Electrochemical test shows that the LiNi0.5Mn1.5O4 obtained at 1000 degrees C has the best electrochemical performance and can deliver a high capacity of 134 mAh g(-1) with excellent cycling stability.
引用
收藏
页数：7
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