Laminated battery cell, secondary battery, and electric device

Abstract

The present application belongs to the technical field of batteries, and in particular, relates to a laminated battery cell, a secondary battery, and an electric device. The laminated battery cell provided by the present application includes a positive electrode sheet, a negative electrode sheet, and a separator. The separator includes a separator body. The separator body includes a side surface facing the negative electrode sheet. The side surface has a side edge, and an adhesive film layer is disposed on at least part of the side edge. The adhesive film layer is disposed along a first direction and/or a second direction of a plane where the separator body is located to form an accommodating region. The negative electrode sheet is located in the accommodating region.

Dependencies are inferred from the claim text.