Temperature-Dependent Mn Substitution Effect on LiNiO2

被引：3
作者：
Jeon, Seungjae [1 ]
Hussain, Sk. Khaja [2 ]
Bang, Jin Ho [1 ,2 ,3 ]
机构：
[1] Hanyang Univ, Ctr Bionano Intelligence Educ & Res, Dept Appl Chem, Ansan 15588, Gyeonggi Do, South Korea
[2] Hanyang Univ, Nanosensor Res Inst, 55 Hanyangdaehak ro, Ansan 15588, Gyeonggi Do, South Korea
[3] Hanyang Univ, Dept Chem & Mol Engn, Ansan 15588, Gyeonggi Do, South Korea
来源：
JOURNAL OF ELECTROCHEMICAL SCIENCE AND TECHNOLOGY | 2024年 / 15卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Lithium-ion Batteries; Capacity; Cobalt-Free Cathode Material; Mn Substitution Effect; Calcination Temperature; LAYERED OXIDE CATHODES; COBALT-FREE;
D O I：
10.33961/jecst.2023.00787
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Despite the important role of manganese (Mn) in cobalt-free, Ni-rich cathode materials, existing reports on the effects of Mn as a substitute for cobalt are not consistent. In this work, we analyzed the performance of cathodes comprised of Li(Ni Mnx)O (LNMO). Both beneficial and detrimental results occurred as a result of the Mn substitution. We found that a complex interplay of effects (Li/Ni mixing driven by magnetic frustration, grain growth suppression, and retarded lithium insertion/extraction kinetics) influenced the performance and was intimately related to calcination temperature. This indicates the importance of establishing an optimal reaction temperature for the development of high-performance LNMO.
引用
收藏
页码：161 / 167
页数：7
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