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Understanding the safety characteristics of aged Lithiumion
(Li-ion) batteries is essential for their effective
integration into second-life applications. The SafeLiBatt
project is a research initiative focused on evaluating
safety-related parameters of these batteries.
The presented study elucidates the impact of a cells’
state of health (SOH) on its safety behavior. Four highpower
pouch cells (Li-NMC622) were exposed to elevated
temperatures to achieve accelerated ageing. Subsequent
thermal abuse tests were utilized to assess crucial
parameters related to the thermal runaway (TR).
When compared to their non-aged (begin of life, BOL)
analogs, the aged cells implicated a TR-onset lowered by
about 10 – 20 K.