Electric vehicle range and battery lifetime: a trade-off
Résumé
Extended range of electric vehicles is seen as a mean to accelerate the market penetration of electric
vehicles. However, putting more and more battery cells in a pack may lead to an unsuitable usage
regarding battery lifetime. In this paper, we assess the impact of oversizing batteries in their lifetime
and their total cost of ownership. Simulation results reveal a reduction in battery lifetime of larger
batteries when charge is not adapted, dramatically increasing the total cost of ownership. On the contrary,
optimisation of the charging strategy preserves the battery’s performances for a longer time and lead to
important cost savings.
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