What is a common cause of battery degradation in electric vehicles?

Prepare for the EVEXAM24 – 2025 EV Expert Exam. Learn with interactive questions. Gain insights from hints and explanations. Equip yourself for success!

High temperatures during charging is a well-documented cause of battery degradation in electric vehicles. When batteries are charged at elevated temperatures, it can lead to increased chemical reactions within the battery cells that may accelerate wear and tear, ultimately shortening the battery's lifespan. This effect is particularly significant during rapid charging processes, where heat is generated more rapidly.

Maintaining optimal temperature ranges during charging is crucial for the longevity and performance of lithium-ion batteries commonly used in electric vehicles. Over time, excessive heat can cause structural changes in the battery materials, leading to a decrease in capacity and increased resistance, which altogether contribute to diminished battery performance.

Frequent short trips and using fast charging exclusively can contribute to battery wear in other ways, but the impact of high temperatures during the charging process stands out as a primary factor in battery degradation. Low tire pressure, while it can affect overall vehicle efficiency and range, does not have a direct impact on the degradation of the battery itself.

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