Study on Residual Powders of Lithium-ion Batteries with different Voltages after Explosion

Authors

He LI, ianjin Lishen Battery Joint-Stock CO., LTD, Tianjin 300384, China;Follow
Zhi-kui CHEN, ianjin Lishen Battery Joint-Stock CO., LTD, Tianjin 300384, China;
Ji-na CAO, ianjin Lishen Battery Joint-Stock CO., LTD, Tianjin 300384, China;
Guang-chuan Liang, Hebei University of Technology, Tianjin 300130, China

Corresponding Author

He LI(Lihe9701@126.com)

Abstract

The residual powders of lithium-ion batteries at different voltages after explosion were obtained by using the battery impact testing machine. And these powders have been investigated by weighing, water solution and X-ray diffraction (XRD). The results showed that the integrity status of copper current collector and weight of residual powders decreased gradually with increasing of battery voltage, rising of burning temperature and releasing of burning duration time. The residual powders could be separated to insoluble powders and soluble powders by the water solution. The proportion of the insoluble powders is more (about 90%) including C, Co and CoO, while the proportion of the soluble powders is few (about 10%) including Li2CO3 and LiF. The contents of the insoluble powders and the soluble powders decreased and increased, respectively, with gradual increasing in battery voltages.

Graphical Abstract

Keywords

lithium ion battery, explosion, residual powder, solution

DOI Link

https://doi.org/10.61558/2993-074X.2851

Publication Date

2011-08-28

Online Available Date

2011-06-09

Revised Date

2011-04-12

Received Date

2011-03-09

Recommended Citation

He LI, Zhi-kui CHEN, Ji-na CAO, Guang-chuan Liang. Study on Residual Powders of Lithium-ion Batteries with different Voltages after Explosion[J]. Journal of Electrochemistry, 2011 , 17(3): Article 18.
DOI: 10.61558/2993-074X.2851
Available at: https://jelectrochem.xmu.edu.cn/journal/vol17/iss3/18

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