A review on lithium-ion battery ageing mechanisms and estimations for automotive applications
Résumé
Lithium-ion batteries have become the focus of research interest, thanks to their numerous benefits for
vehicle applications. One main limitation of these technologies resides in the battery ageing. The effects
of battery ageing limit its performance and occur throughout their whole life, whether the battery is used
or not, which is a major drawback on real usage. Furthermore, degradations take place in every condition,
but in different proportions as usage and external conditions interact to provoke degradations. The
ageing phenomena are highly complicated to characterize due to the factors cross-dependence. This
paper reviews various aspects of recent research and developments, from different fields, on lithium-ion
battery ageing mechanisms and estimations. In this paper is presented a summary of techniques, models
and algorithms used for battery ageing estimation (SOH, RUL), going from a detailed electrochemical
approach to statistical methods based on data. In order to present the accuracy of currently used
methods, their respective characteristics are discussed. Remaining challenges are deeply detailed, along
with a discussion about the ideal method resulting from existing methods.
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