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Title: | Experimental study of self-heating ignition of lithium-ion batteries during storage : effect of the number of cells | Authors: | He, XZ Restuccia, F Zhang, Y Hu, ZW Huang, XY Fang, J Rein, G |
Issue Date: | Nov-2020 | Source: | Fire technology, Nov. 2020, v. 56, no. 6, p. 2649-2669 | Abstract: | Lithium-ion batteries (LIBs) are widely used as energy storage devices. However, a disadvantage of these batteries is their tendency to ignite and burn, thereby creating a fire hazard. Ignition of LIBs can be triggered by abuse conditions (mechanical, electrical or thermal abuse) or internal short circuit. In addition, ignition could also be triggered by self-heating when LIBs are stacked during storage or transport. However, the open circuit self-heating ignition has received little attention and seems to be misunderstood in the literature. This paper quantifies the self-heating behaviour of LIB by means of isothermal oven experiments. Stacks of 1, 2, 3 and 4 Sanyo prismatic LiCoO(2)cells at 30% state of charge were studied. The surface and central temperatures, voltage, and time to ignition were measured. Results show that self-heating ignition of open circuit LIBs is possible and its behaviour has three stages: heating up, self-heating and thermal runaway. We find for the first time that, for this battery type, as the number of cells increases from 1 to 4, the critical ambient temperature decreases from 165.5 degrees C to 153 degrees C. A Frank-Kamenetskii analysis using the measured data confirms that ignition is caused by self-heating. Parameters extracted from Frank-Kamenetskii theory are then used to upscale the laboratory results, which shows large enough LIB ensembles could self-ignite at even ambient temperatures. This is the first experimental study of the effect of the number of cells on self-heating ignition of LIBs, contributing to the understanding of this new fire hazard. | Keywords: | Ignition Lithium-ion battery Heat transfer Thermal runaway Energy |
Publisher: | Springer | Journal: | Fire technology | ISSN: | 0015-2684 | DOI: | 10.1007/s10694-020-01011-y | Rights: | © 2020 The Author(s) Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The following publication He, X. Z., Restuccia, F., Zhang, Y., Hu, Z. W., Huang, X. Y., Fang, J., & Rein, G. (2020). Experimental study of self-heating ignition of lithium-ion batteries during storage: Effect of the number of cells. Fire Technology, 1-21 is available at https://dx.doi.org/10.1007/s10694-020-01011-y |
Appears in Collections: | Journal/Magazine Article |
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He_Self-Heating_Ignition_Lithium-Ion.pdf | 1.91 MB | Adobe PDF | View/Open |
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