Stop-and-go traffic can positively affect the longevity of electric vehicle (EV) batteries. According to recent studies from Stanford researchers, real-world driving conditions—such as those found in stop-and-go traffic—can make EV batteries last up to 40% longer than previously estimated by traditional lab tests.
Key Points:
- Lab Tests vs. Real-World Driving: Traditional lab tests typically use constant discharge and recharge rates, which do not accurately reflect real-world driving habits like stop-and-go traffic, highway driving, and frequent parking.
- Dynamic Driving Conditions: Real-world conditions involve dynamic patterns such as stop-and-go traffic, varied acceleration, and periods of inactivity. These patterns contribute to slower battery degradation compared to the constant cycles used in lab tests.
- Benefits of Real-World Driving: The varied and dynamic nature of real-world driving habits helps to delay battery degradation by allowing batteries to “rest” during periods of inactivity and utilizing regenerative braking, which helps to recharge the battery slightly during stops.
- Environmental and Economic Impact: Longer battery life translates into lower costs for EV owners and a reduced environmental impact by decreasing the need for frequent battery replacements.
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