Can freezing temperatures affect an electric vehicle's battery?

Freezing temperatures can have a significant impact on an electric vehicle's battery, but experts say there are ways to mitigate the effects of extreme cold. An interior view of the charging monitor of a GM Hummer EV as it is being charged in Sault Ste. Marie, Mich., on Feb. 22, 2023. (Carlos Osorio/The Associated Press)

What happens if a car battery freezes?

This key battery component transfers charge-carrying particles called ions between the battery’s two electrodes, causing the battery to charge and discharge. But the liquid begins to freeze at sub-zero temperatures. This conditionseverely limits the effectiveness of charging electric vehicles in cold regions and seasons.

Could lithium-ion batteries help electric cars travel farther in cold weather?

Researchers developed lithium-ion batteries that perform well at freezing cold and scorching hot temperatures, while packing a lot of energy. This could help electric cars travel farther on a single charge in the cold and reduce the need for cooling systems for the cars' batteries in hot climates.

Why do lithium ion batteries freeze?

In current lithium-ion batteries, the main problem lies in theliquid electrolyte. This key battery component transfers charge-carrying particles called ions between the battery’s two electrodes, causing the battery to charge and discharge. But the liquid begins to freeze at sub-zero temperatures.

Can electric cars lose their range in freezing temperatures?

An electric car charges in the parking lot of a shopping mall in Tallinn, Estonia, on Feb. 11, 2023. Studies show that some EVs can lose up to 30 per cent of their range in freezing temperatures. (Pavel Golovkin/The Associated Press)

Does cold weather affect EV battery range?

Yes, frigid weather may reduce your EV battery range. Here's how to prepare Freezing temperatures can have a significant impact on an electric vehicle's battery, but experts say there are ways to mitigate the effects of extreme cold.