Application of NCM electrolyte for nickel-rich lithium ion battery

被引：0
|
作者：
Zhang W. [1 ]
Liu X. [1 ]
Ma Q. [1 ]
Yang S. [1 ]
Zhang Y. [1 ]
Li C. [1 ]
机构：
[1] National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, School of Chemical Engineering, Hebei University of Technology, Tianjin
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2021年 / 40卷 / 04期
关键词：
Electrolytes; Ionic liquids-based; Lithium-ion battery; Nickel-rich ternary cathode material; Quantitative calculation;
D O I：
10.16085/j.issn.1000-6613.2020-0973
中图分类号：
学科分类号：
摘要：
Nickel-rich ternary cathode materials have low cost and high specific capacity, which are suitable for the sustainable development of lithium-ion batteries and have been considered as the mainstream of next-generation cathode material. However, nickel-rich materials need to used together with suitable electrolytes to effectively give their best performance, which is however paid little attention. Selecting suitable electrolytes is particularly important for nickel-rich lithium-ion batteries. This paper briefly described the general types and composition of the electrolytes for lithium-ion battery. Next, we focused on the application of organic electrolytes, solid electrolytes and ionic liquid-based electrolytes in nickel-rich ternary material batteries, which were assessed through quantitative calculations. The results showed that the ionic liquid-organic solvent hybrid electrolyte presented very good circulation performance in nickel-rich NCM batteries, while meeting the requirements of the battery on safety and stability, and therefore was more suitable for nickel-rich NCM battery. Finally, the molecular dynamics studies on the interaction mechanism and Li+ transport between different solvents of hybrid electrolyte were prospected. © 2021, Chemical Industry Press Co., Ltd. All right reserved.
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页码：2175 / 2187
页数：12
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