this post was submitted on 05 Apr 2025
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Cyberstuck
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ELI5, why does an electric vehicle need liquid coolant?
Batteries, motors, underlying components get hot. Need cooled.
Batteries get damaged quickly if they overheat, losing efficiency and capacity. Leave your laptop in your car in July for a full day of work and report back.
Mmm, spicy pillow.
If I had to guess. Motors get hot, gearbox gets hot, battery gets hot. Liquid coolant works better than air cooling alone.
Cooling off hot components is one part of it. Keeping the battery warm in cold weather is another.
There's a heat pump that keeps the batteries at the optimal temperature and also heats / cools the cabin.