Baking device for lithium battery

The utility model discloses a baking device for lithium batteries, which is placed in a lithium battery dryer and comprises a box body made of plates, a storage space and a door plate used for opening or closing the storage space are arranged in the box body, a plurality of detachable partition plates are arranged in the storage space, the storage space is divided into a plurality of cavities used for placing the lithium batteries, and the lithium batteries are arranged in the cavities. The bottom face of the box body is composed of a plurality of draining rods arranged at intervals, convection grooves are formed in the opposite plate faces on the two sides, and convection holes are formed in each partition plate. Therefore, the lithium battery cells to be dried are respectively placed in the separated interval cavities, the drying processes do not influence each other, and the problem that the lithium battery cells are laminated mutually after being dried is avoided; and through the design of convection groo