Issue 58, 2018, Issue in Progress
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RSC Advances

Investigation of a commercial lithium-ion battery under overcharge/over-discharge failure conditions

Dongxu Ouyang,a   Mingyi Chen, ORCID logo b   Jiahao Liu,c   Ruichao Wei,a   Jingwen Wengd  and  Jian Wang ORCID logo *a  

* Corresponding authors

a State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, China

b School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, China

c College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai, China

d School of Environment and Resources, Fuzhou University, Fuzhou, China

Abstract

A lithium-ion battery (LIB) may experience overcharge or over-discharge when it is used in a battery pack because of capacity variation of different batteries in the pack and the difficulty of maintaining identical state of charge (SOC) of every single battery. A series of experiments were established to investigate the thermal and fire characteristics of a commercial LIB under overcharge/over-discharge failure conditions. According to the results, it is clear that the batteries experienced a clear temperature rise in the overcharge/over-discharge process. The temperature rise worsened and required less time when the battery was overcharged/over-discharged to failure with the increasing charge/discharge rate. Besides, the closer the position to the opening of the battery, the higher the surface temperature. It was demonstrated that LIBs can fail when overcharged/over-discharged to a critical degree regardless of the charge/discharge rate. Under different rates, the final capacities were around a critical value. Finally, there existed an explosion phenomenon in the external heating test of battery failure after overcharge, whereas the fire behaviors of the over-discharged battery were much more moderate.

Graphical abstract: Investigation of a commercial lithium-ion battery under overcharge/over-discharge failure conditions

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Article information

DOI
https://doi.org/10.1039/C8RA05564E
Article type
Paper
Submitted
29 Jun 2018
Accepted
11 Sep 2018
First published
27 Sep 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 33414-33424

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Investigation of a commercial lithium-ion battery under overcharge/over-discharge failure conditions

D. Ouyang, M. Chen, J. Liu, R. Wei, J. Weng and J. Wang, RSC Adv., 2018, 8, 33414 DOI: 10.1039/C8RA05564E

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