BATTERY MODULE AND BATTERY BOX THEREOF

原文（中国語）

A battery module includes a battery box, a plurality of cells, and a firefighting material. The battery box includes a box body, a cover, and a pressure relief valve. The cover is arranged on the opening of the box body. The cover includes a flow channel and a first surface and a second surface opposite to each other. The flow channel is provided between the first surface and the second surface. Two ends of the flow channel are respectively in communication with a first pressure relief hole of the first surface and the second pressure relief hole of the second surface. The pressure relief valve is arranged in the first pressure relief hole. The cells are accommodated in the accommodating space of the box body. The firefighting material is accommodated in the accommodating space and distributed around the cells. The disclosure further provides a battery box of a battery module.