期刊
APPLIED THERMAL ENGINEERING
卷 124, 期 -, 页码 539-544出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2017.06.056
关键词
Lithium ion battery; Thermal runaway; Reduced pressure; Vacuum; Safety; Accelerating rate calorimeter
资金
- Deutsche Forschungsgemeinschaft [HO 5266/1-1]
- ARC by the German Research Foundation Priority Programme [SPP1473WeNDeLIB]
Concerning Li-ion cells it is demonstrated by overcharging tests both on the shelf in a fume-hood and in an accelerating rate calorimeter that the application of reduced pressure in the moment of a thermal runaway accident can prevent a fire and in particular a cell explosion, caused by the electrolyte. Within the experiment, pouch-bag Li-ion cells (88 mAh and 264 mAh) composed of graphite and NMC (LiNi1/3Mn1/3Co1/3O2) were overcharged by 10 C in order to induce a thermal runaway. In spite of a strong temperature increase, the cell remains tightly close during the thermal runaway without any fire or explosion in case of vacuum application. (C) 2017 Elsevier Ltd. All rights reserved.
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