Battery degradation refers to the gradual loss of a battery’s capacity over time and charge/discharge cycles.
This is a natural phenomenon resulting from the wear and tear of the battery’s internal materials. As the battery ages, its ability to store and deliver energy diminishes, leading to a reduction in the Electric Vehicle‘s (EV) range. Key factors influencing degradation are: Battery age, frequent charge/discharge cycles, extreme State of Charge (SoC) (constantly high or very low), and temperature (high or very low temperatures accelerate chemical and mechanical wear). Generally, a quality battery retains about 70-80% of its capacity after 8 to 10 years of use.
Advanced technologies, such as thermal management and optimised charging protocols, are developed to slow this process and improve battery longevity.