Not only afraid of the cold but also afraid of the heat! Research shows that overheating can reduce the range of electric vehicles by about one-third

Overheating can decrease electric vehicle range by about one-third, making them not only sensitive to the cold but also to the heat

【Phoneauto News】For electric vehicle owners, reduced range in winter is nothing new. It is widely recognized that cold weather can cause a decrease in vehicle range. However, did you know that high temperatures can also have the same effect?

According to foreign media reports, a new study shows that overheating can significantly reduce the range of electric vehicles. This is similar to the decrease in battery range caused by cold temperatures. With the increasing global warming and intensifying summer heat in recent years, this potential problem may become more serious in the future.

Recurrent, based in Seattle, conducts research and testing on thousands of electric vehicles every year to analyze the relationship between batteries and range. Their latest data shows that when the weather becomes very hot, electric vehicles may lose up to one-third of their specified range. Although Recurrent did not mention specific models, it stated that when the temperature rises above 100 degrees Fahrenheit (38 degrees Celsius), the range of some cars decreased by 31%.

However, Recurrent CEO Scott Case also admitted, “The conclusions drawn from this high-temperature study may not reflect the general situation due to limited test data. Collecting valid data is very difficult because most car owners do not completely deplete the battery before recharging.” Greg Less from the University of Michigan Battery Lab stated that the decrease in range under high temperatures may be related to the chemical reactions of the battery. “Once the temperature exceeds 104 degrees Fahrenheit (40 degrees Celsius), the emission layer on the anode begins to crack, which leads to the consumption of liquid electrolyte and shortens the battery life.” If you want to extend the battery life of your vehicle, it is best not to drive electric vehicles under extreme high temperatures.

Recurrent analyzed the impact of low temperatures on the range of electric vehicles last year. When the temperature dropped below 30 degrees Fahrenheit (-1 degrees Celsius), both the Ford Mustang Mach-E and the Volkswagen ID.4 experienced a decrease in range of about 30%. However, it is worth noting that Recurrent states that the temperature’s effect on the battery is not significant under non-extreme low temperatures.

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