this post was submitted on 05 Apr 2025
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ELI5, why does an electric vehicle need liquid coolant?
There's a heat pump that keeps the batteries at the optimal temperature and also heats / cools the cabin.
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.
Cooling off hot components is one part of it. Keeping the battery warm in cold weather is another.
If I had to guess. Motors get hot, gearbox gets hot, battery gets hot. Liquid coolant works better than air cooling alone.
Batteries, motors, underlying components get hot. Need cooled.