Experimental study on the thermal behaviors of lithium-ion batteries under discharge and overcharge conditions

被引：0
作者：
Dongxu Ouyang
Yaping He
Mingyi Chen
Jiahao Liu
Jian Wang
机构：
[1] University of Science and Technology of China,State Key Laboratory of Fire Science
[2] University of Western Sydney,School of Engineering
[3] University of Jiangsu,School of Environment and Safety Engineering
[4] University of Shanghai Maritime,School of Marine Science and Engineering
来源：
Journal of Thermal Analysis and Calorimetry | 2018年 / 132卷
关键词：
Lithium-ion battery; Thermal runaway; Discharging; Overcharge; Calorimeter;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To have a better understanding of the thermal behaviors of lithium-ion batteries (LIBs) under discharge and overcharge conditions, some tests were conducted by a cone calorimeter. Several parameters were measured such as the battery surface temperature, voltage, the time to thermal runaway, the time to maximum temperature, heat release rate and total heat released. The results indicate that the lithium-ion battery will have obvious warming up during discharge owing to the reversible heat and irreversible heat. It was observed that the current treatment (discharge) has a significant influence on the thermal behaviors of LIBs. It can accelerate the warming up, result in earlier thermal runaway, and reduce the heat released. In addition, overcharge will make LIBs more unstable and easier to attain the thermal runaway.
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页码：65 / 75
页数：10
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