US 12,325,324 B1
Direct current fast charging cooling control
Tyler Jennings Bennett, Long Beach, CA (US); Won Tae Joe, Irvine, CA (US); and Kok Wei Koh, Mountain View, CA (US)
Assigned to Rivian IP Holdings, LLC, Irvine, CA (US)
Filed by Rivian IP Holdings, LLC, Irvine, CA (US)
Filed on Feb. 23, 2024, as Appl. No. 18/585,892.
Int. Cl. H02J 7/00 (2006.01); B60L 53/302 (2019.01); B60L 53/66 (2019.01); B60L 58/13 (2019.01); B60L 58/33 (2019.01); H02J 7/14 (2006.01)
CPC B60L 58/13 (2019.02) [B60L 53/302 (2019.02); B60L 53/66 (2019.02); B60L 58/33 (2019.02)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
at least one processor coupled with memory to:
identify a state of charge (SOC) of a battery of an electric vehicle, a temperature threshold for a temperature of the battery and a gradient threshold for a difference in temperature between at least two cells of the battery;
determine, using a model, a flow rate of coolant and a temperature of the coolant to apply for a duration of a charge event of the battery based at least on the SOC, the temperature of the battery and the difference in temperature input into the model for cooling the battery, the flow rate of coolant and the temperature of the coolant determined by the model to maintain the temperature of the battery below the temperature threshold and the difference in temperature below the gradient threshold for the duration of the charge event; and
cool the battery based on the flow rate of coolant and the temperature of the coolant determined by the model to maintain the temperature below the temperature threshold and to maintain the difference in temperature below the gradient threshold for the duration of the charge event.