[1]冯祥明,郑金云,李荣富,等.5-硝基苊提高锂离子电池抗过充性能研究[J].郑州大学学报(工学版),2008,29(04):58-60.[doi:10.3969/j.issn.1671-6833.2008.04.014]
　Feng Xiangming,Zheng Jinyun,Li Rongfu,et al.Study on 5-nitroacenaphthene to improve the overcharge resistance of lithium-ion batteries[J].Journal of Zhengzhou University (Engineering Science),2008,29(04):58-60.[doi:10.3969/j.issn.1671-6833.2008.04.014]
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5-硝基苊提高锂离子电池抗过充性能研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
29卷
期数:
2008年04期
页码:
58-60
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:

Study on 5-nitroacenaphthene to improve the overcharge resistance of lithium-ion batteries
作者:
冯祥明; 郑金云; 李荣富; 等.
郑州大学化学系,河南,郑州,450001;河南环宇团有限公司,河南,新乡,453002, 郑州大学化学系,河南,郑州,450001, 河南环宇团有限公司,河南,新乡,453002
Author(s):
Feng Xiangming; Zheng Jinyun; Li Rongfu; etc
5-Nitroacenaphthene; lithium-ion batteries; electrolyte additives; Overcharge protection

关键词:
5-硝基苊;  锂离子电池;  电解液添加剂;  过充保护
Keywords:
The electrochemical properties of 5-nitroacenaphthene in 1M LiPF6/EC-DMC electrolyte were studied by cyclic voltammetry;  and the results showed that electrooxidative polymerization of 5-nitroacenaphthene occurred at 4.4 V;  and scanning electron microscopy showed that 5-nitroacenaphthene polymerized on the electrode. At the same time;  the results of LiMn3O4 powder microelectrode showed that 4-nitroacenaphthene did not adversely affect the cathode material before the electrode potential reached 25.5 V. The results of overcharge experiments of LiCoO2 batteries of different magnitude show that when the battery is overcharged to about 4.4 V;  5-nitroacenaphthene reacts;  and the H+ generated is reduced to H2 on the negative electrode;  which increases the internal pressure of the battery;  so the safety of lithium-ion batteries is improved by activating the explosion-proof net.
DOI:
10.3969/j.issn.1671-6833.2008.04.014
文献标志码:
A
摘要:
采用循环伏安法研究了5-硝基苊在1M LiPF6/EC-DMC电解液中的电化学性质,结果表明5-硝基苊在4.4 V时发生电氧化聚合,扫描电子显微镜观察发现5-硝基苊在电极上发生了聚合.同时LiMn3O4粉末微电极的结果表明在电极电位到达4.25 V之前,5-硝基苊没有对正极材料产生不利影响.LiCoO2电池不同倍率的过充实验结果表明电池过充到约4.4 V时,5-硝基苊发生反应,产生的H+在负极上被还原为H2,增加了电池的内压,因此通过激活防爆网提高了锂离子电池的安全性.

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　GUO Chaxiu,WEI Jinyu.Influence of Different Arrangement on Phase Change Thermal Management System of 21700 Lithium Battery[J].Journal of Zhengzhou University (Engineering Science),2023,44(04):91.[doi:10.13705/j.issn.1671-6833.2023.02.009]

更新日期/Last Update: 1900-01-01