Effect of (Mg, Al) double doping on the thermal decomposition of LiMn2O4 cathodes investigated by time-resolved X-ray diffraction

被引：5
|
作者：
Susanto, Dieky [1 ,2 ]
Kim, Haesik [1 ]
Kim, Ji-Young [1 ]
Lim, SunHye [3 ]
Yang, JiWoon [3 ]
Choi, Su An [3 ]
Chung, Kyung Yoon [1 ,2 ]
机构：
[1] KIST, Ctr Energy Convergence Res, Seoul 136791, South Korea
[2] Korea Univ Sci & Technol, Energy & Environm Engn, Taejon 305333, South Korea
[3] L&F Mat Co Ltd, R&D Div, Daegu 704948, South Korea
来源：
CURRENT APPLIED PHYSICS | 2015年 / 15卷
关键词：
LiMn2O4; Capacity fading; Mg Al double doping; Thermal stability; Time-resolved X-ray diffraction; SPINEL; PERFORMANCE; ELECTRODES; STABILITY; BATTERIES; XRD; FE; NI;
D O I：
10.1016/j.cap.2015.01.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The performance of undoped and (Mg, Al) doubly doped LiMn2O4 electrodes were compared, with the latter having better cycle retention at room temperature and enhanced cycling performance at elevated temperatures. The effect of double (Mg, Al) doping on the thermal stability of charged and uncharged samples was studied by time-resolved X-ray diffraction, revealing that Mg and Al significantly improve the structural stability of LiMn2O4 during heat treatment. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：S27 / S31
页数：5
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