The energy recovery system used uses heat generated by batteries, power electronics, and other drive components.
The heat dissipated will be used to warm the interior and increase the range by about ten percent. The resulting “waste energy” is used to reduce the energy required for heating, which is drawn from the battery.
In addition, this system can also capture and use moisture inside and outside the vehicle, including passenger body heat.
The system is said to be capable of heating the interior faster in cold weather than comparable systems on ICE vehicles.
This system regulates the energy from the battery that must be used to condition it before fast charging. On the other hand, the energy recovery system can also cool the drive system first, for example to use the “Watt for Freedom” function on the GMC Hummer EV – namely maximum acceleration.
Doug Parks, GM’s executive vice president, said the ground-up EV architecture gave us the freedom to build on standard features like Ultium’s energy recovery capabilities.
“This helps us squeeze more efficiency, performance and overall customer benefits out of our EVs.” Doug Parks said