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Modelling of thermal events in Lithium-ion batteries

Petra Andersson ; Johan Anderson ; Fredrik Larsson (Institutionen för teknisk fysik) ; Bengt-Erik Mellander (Institutionen för teknisk fysik)
ESFSS 2015 2nd European Symposium on Fire Safety Science. 16 - 18 June 2015 European University Cyprus, Cyprus. (2015)
[Konferensbidrag, refereegranskat]

Lithium-ion batteries are seen as part of the solution to meet the environmental concerns for many areas including the automotive sector. The Li-ion technology has many good properties such as a high energy-density but also drawbacks such as its narrow window of stable operation. If the cell is e.g. heated up it might go into a thermal runaway in which the cell rapidly heats itself up, a process that might spread also to adjacent cells. In order to investigate whether a thermal event will progress to adjacent cells, it is important to be able to model the heat transport within a battery module properly. A first attempt to model the spreading has been made using Comsol Multiphysics for a test case where one cell is exposed to a heating source and then the heating spreads to other cells.

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Denna post skapades 2015-08-17. Senast ändrad 2016-10-18.
CPL Pubid: 220755


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