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An experimental study on thermal runaway characteristics of lithium-ion batteries with high specific energy and prediction of heat release rate
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Chen, Haodong, Buston, Jonathan E. H., Gill, Jason, Howard, Daniel, Williams, Rhiannon C. E., Rao Vendra, Chandra M., Shelke, Ashish and Wen, Jennifer X. (2020) An experimental study on thermal runaway characteristics of lithium-ion batteries with high specific energy and prediction of heat release rate. Journal of Power Sources, 472 . 228585. doi:10.1016/j.jpowsour.2020.228585
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Official URL: https://doi.org/10.1016/j.jpowsour.2020.228585
Abstract
Understanding the potential thermal hazards of lithium-ion batteries (LIBs) during thermal runaway (TR) is helpful to assess the safety of LIB during storage, transport and use. This paper presents a comprehensive analysis of the thermal runaway (TR) characteristics of type 21700 cylindrical LIBs with a specific energy of 266 W∙h/kg. The batteries with both 30% state of charge (SOC) and 100% SOC were triggered to TR by uniform heating using a flexible heater in a laboratory environment. Three high definition cameras and one high-speed camera were placed to capture TR behavior and flame evolution from different viewpoints. Correlation between the heat release rate (HRR) and the mean flame height of turbulent jet diffusion flame were used to estimate the HRRs of LIBs. Additional characteristics of cell failure (for cells with 100% and 30% SOC) were also noted for comparison, including: number of objects ejected from the cell; sparks and subsequent jet fires. An approach has been developed to estimate the HRRs from TR triggered fires and results compared with previous HRR measurements for type 18650 cylindrical cells with a similar cathode composition.
| Item Type: | Journal Article | |||||||||
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| Alternative Title: | ||||||||||
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | |||||||||
| Divisions: | Faculty of Science > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Lithium ion batteries, Lithium ion batteries -- Temperature control, Lithium ion batteries -- Thermal properties | |||||||||
| Journal or Publication Title: | Journal of Power Sources | |||||||||
| Publisher: | Elsevier S.A. | |||||||||
| ISSN: | 0378-7753 | |||||||||
| Official Date: | 1 October 2020 | |||||||||
| Dates: |
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| Volume: | 472 | |||||||||
| Article Number: | 228585 | |||||||||
| DOI: | 10.1016/j.jpowsour.2020.228585 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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