Device for improving cold pressing belt breakage of lithium battery pole piece

The utility model belongs to the technical field of lithium battery manufacturing, and relates to a device for improving cold pressing belt breakage of a lithium battery pole piece. Comprising an upper compression roller (1) and a lower compression roller (2), a pole piece (3) comprises a film coating area (4) and empty foil areas (5), the film coating area (4) is located in the middle, each side of the film coating area (4) is provided with the empty foil area (5), the thickness of the empty foil areas (5) is smaller than that of the film coating area (4), and a protective sleeve (6) is of an n-shaped structure. According to the device for improving the cold pressing belt breakage of the lithium battery pole piece, the belt breakage problem of the pole piece can be effectively relieved during cold pressing of the pole piece, the capacity loss caused by belt breakage is reduced, the production efficiency is improved, and the loss of raw materials is reduced. 本实用新型属于锂电池制造技术领域的改善锂电池极片冷压断带的装置。包括上压辊(1)和下压辊(2)，极片(