Battery heating control method and system, vehicle and storage medium

The invention relates to a battery heating control method and system, a vehicle and a storage medium. The method comprises the steps that current state parameters of a battery and an energy storage device are obtained; the charging current and the discharging current of the energy storage device during the heating period of the battery are determined according to the current state parameter, so that the energy loss of the energy storage device during the heating period meets a preset condition; wherein the heating period comprises a charging process in which the energy storage device charges the battery based on the charging current via the voltage transformation device, and a discharging process in which the battery discharges the energy storage device based on the discharging current via the voltage transformation device. 本申请涉及电池加热控制方法、系统、车辆及存储介质，所述方法包括：获取关于电池和储能器件的当前状态参数；以及根据当前状态参数确定储能器件在电池的加热期间的充电电流、放电电流，使得储能器件在加热期间的能量损失满足预设条件；其中，加热期间包括储能器件经由变压装置基于充电电流向电池充电的充电过程，和电池经由变压装置基于放电电流向储能器件放电的放电过程。