The Daily Dose

Lithium-ion batteries have become a key component in the rise of electric mobility, but forecasting their health and lifespans is limiting the technology. While they’ve proven successful, the capacity of lithium-ion batteries degrades over time, and not just because of the ageing process that occurs during charging and discharging — known as “cycling ageing.” Batteries also degrade when not in use Lithium-ion battery cells also suffer degradation from so-called “calendar ageing,” which occurs during storage, or simply when the battery is not in use. It’s determined by three main factors: the rest state of charge (SOC), the rest temperature, and…

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