THERMAL MANAGEMENT COMPONENT, THERMAL MANAGEMENT SYSTEM, BATTERY, AND ELECTRIC APPARATUS

A thermal management component is provided with a medium inlet, a medium outlet, and a medium flow channel. The medium flow channel is located inside the thermal management component, the medium flow channel communicates with the medium inlet and the medium outlet, and the medium flow channel is used to accommodate a fluid medium to regulate temperature of the battery. The thermal management component is internally provided with a cavity disconnected from both the medium inlet and the medium outlet.