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Air cooled battery?

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5.5K views 6 replies 5 participants last post by  Tomd4re  
#1 ·
As far as I know the Prime's battery is air cooled like the hybrid. Am I correct?

I thought an full EV would need liquid cooling to put out that kind of power. Things are even worse for a PHEV, it has to carry the weight of an engine in EV mode.
 
#6 · (Edited)
It's actually both liquid cooled by the AC refrigerant and air cooled by the fans. The AC compressor is oversized to push the refrigerant thru the battery pack. There is also a battery heater for cold temperature performance that contains a "sponge" that pushes the heating element onto the battery pack when needed. I posted this exploded view of the R4P prismatic battery pack in another thread.
 

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