Edge folding structure of soft package lithium ion battery

The utility model discloses an edge folding structure of a soft package lithium ion battery, which belongs to the technical field of lithium ion batteries, and adopts the main technical scheme that the edge folding structure comprises a battery main body, the battery main body is provided with a battery side edge, a packaging film is covered on the battery main body, and a battery packaging film sealing edge is formed on the battery side edge of the packaging film. The sealing edge of the battery packaging film is a cylindrical sealing edge, the forging section of the cylindrical sealing edge is located on the innermost ring, and a bonding layer is connected between the cylindrical sealing edge and the side edge of the battery. The sealing edge of the battery packaging film is arranged to be the cylindrical sealing edge, so that the energy density and the packaging reliability of the battery cell are improved. 本实用新型公开了一种软包锂离子电池折边结构，属于锂离子电池的技术领域，主要技术方案是：包括电池主体，所述电池主体具有电池侧边，所述电池主体上覆盖有包装膜，所述包装膜在所述电池侧边形成电池包装膜封印边，