Thermal management method during discharging of battery system, related device and storage medium

The invention provides a thermal management method during discharging of a battery system, a related device and a storage medium, and the method comprises the steps: monitoring the temperature of a battery cell in real time when the battery system enters a discharging state; determining a target thermal management mode according to the current lowest temperature of the battery cell, the current highest temperature of the battery cell, the trigger temperature set by the heating state mode and the trigger temperature set by the cooling state mode; then, performing thermal management on the battery system according to the target thermal management mode; after thermal management on the battery system is finished, determining an internal circulation state according to the current lowest temperature of the battery cell, the current highest temperature of the battery cell, the first target difference value and the second target difference value; wherein the first target difference value is a preset temperature diffe