STRUCTURAL BEAM, BOX, BATTERY, AND ELECTRIC DEVICE

This application provides a structural beam, a box, a battery, and an electric device, so as to solve the problem of waste of space and low volume utilization in arrangement of a structural beam inside a battery in the prior art. The structural beam provided in this application includes a first side wall and a second side wall. An exhaust passage is formed between the first side wall and the second side wall. The first side wall is provided with a first exhaust portion. The first exhaust portion is configured to receive emissions from at least one battery cell. The second side wall is provided with a second exhaust portion. The second exhaust portion is configured to receive emissions from at least one of remaining battery cells.