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Battery Aspects on Fires in Electrified Vehicles

Fredrik Larsson (Institutionen för teknisk fysik) ; Petra Andersson ; Bengt-Erik Mellander (Institutionen för teknisk fysik)
Fires in vehicles (FIVE) 2014 Conference proceedings (0284-5172). Vol. 2014 (2014), p. 209-220.
[Konferensbidrag, övrigt]

Safety issues concerning the use of large lithium-ion batteries in electrified vehicles are discussed based on abuse test results of lithium-ion cells together with safety devices for cells. The presented abuse tests are; propane fire test, external heating test (oven), overcharge and short circuit. It was found that in a fire, cells with higher state of charge (SOC) gave a higher heat release rate (HRR) while the total heat release (THR) had a lower correlation with SOC. One fire test resulted in a hazardous projectile from a cylindrical cell. Toxic gas emissions of hydrogen fluoride (HF) were measured in the fire tests and it was found that the total amount of HF released increased with lower SOC.

Nyckelord: lithium-ion battery, electrified vehicle, safety, thermal runaway, fire, toxic gases

SP Technical Research Institute of Sweden SP Report 2014:44 Proceedings from 3rd International Conference on Fires in Vehicles - FIVE 2014 October 1st-2nd, 2014 Berlin, Germany Edited by Petra Andersson and Björn Sundström

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Denna post skapades 2014-10-27. Senast ändrad 2015-02-06.
CPL Pubid: 204919


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