Effect of Flame Retardant on Electrochemical Performances of Lithium Ion Battery with LiNi_0.4Co_0.2Mn_0.4O₂ as a Positive Electrode Material

Authors

Yan-zhuo LV, School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China;Chaowei Power Co., LTD, Changxing 313100, Zhejiang, China;Follow
Yong-xian GE, Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China;
Zhen-bo WANG, School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;
Ke KE, School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;Chaowei Power Co., LTD, Changxing 313100, Zhejiang, China;

Corresponding Author

Yan-zhuo LV(lvyanzhuo@hrbeu.edu.cn)

Abstract

The effect of flame retardant on the electrochemical performances of lithium ion battery by using LiNi_0.4Co_0.2Mn_0.4O₂ as a positive material was studied by measuring the first charge-discharge, cycling, circulation, and AC impedance curves. The experimental data indicated that the discharge capacity of the battery decreased, while the charge transfer resistance and the lithium ion diffusion resistance increased with the increases in the concentrations of the flame retardant in the electrolyte solutions. Furthermore, the stability of the battery at small discharge ratios and the cyclic performance were also improved by the addition of flame retardant. The capacitance retention values went up from 89% without the addition of flame retardant to 94.21% with the addition of 10% flame retardant at the discharge ratio of 0.5C, from 92.22% to 93.01% at 1C, and from 87.92% to 92.16% at 2C. The best cycle stability of the battery was achieved with the addition of 10% flame retardant.

Graphical Abstract

Keywords

Lithium ion battery; LiNi0.4Co0.2Mn0.4O2, electrolyte solution, flame retardant, electrochemical performances

DOI Link

https://doi.org/10.13208/j.electrochem.150925

Publication Date

2016-02-29

Online Available Date

2015-12-02

Revised Date

2015-11-10

Received Date

2015-09-24

Recommended Citation

Yan-zhuo LV, Yong-xian GE, Zhen-bo WANG, Ke KE. Effect of Flame Retardant on Electrochemical Performances of Lithium Ion Battery with LiNi_0.4Co_0.2Mn_0.4O₂ as a Positive Electrode Material[J]. Journal of Electrochemistry, 2016 , 22(1): 70-74.
DOI: 10.13208/j.electrochem.150925
Available at: https://jelectrochem.xmu.edu.cn/journal/vol22/iss1/8

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