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- Title
Study on the effect of spacing on thermal runaway propagation for lithium-ion batteries.
- Authors
Wang, Zhirong; Mao, Ning; Jiang, Fengwei
- Abstract
In the open and closed space environments, the influence of spacing on battery pack thermal runaway propagation is studied. The mechanism of thermal runaway propagation for the lithium-ion battery pack is analyzed. The experimental results show that when the state of charge (SOC) of the battery is 100%, and the spacing is greater than 2 mm in the horizontal direction and 8 mm in the vertical arrangement, battery pack thermal runaway propagation hardly occurs in an open environment. In a closed environment, there is less chance of uncontrolled heat transmission in batteries when the rate of increase in the battery temperature is less than 0.66 °C s−1. When the horizontal spacing is more than 4 mm or the vertical spacing of the battery is more than 8 mm in a closed environment, thermal runaway propagation cannot occur in the batteries. The research results provide some reference for the arrangement of lithium-ion battery packs in transportation and storage.
- Subjects
THERMAL batteries; HEAT transfer; BACKPACKING; SPACE environment; OPEN spaces; ELECTRIC vehicle batteries
- Publication
Journal of Thermal Analysis & Calorimetry, 2020, Vol 140, Issue 6, p2849
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-019-09026-6