RIVETING STRUCTURE FOR CELL POSTS

Abstract

Disclosed is a riveting structure for cell posts. A cell comprises a lower shell, an external terminal and a current collector, the external terminal is arranged on an outer side of the lower shell, and the current collector is arranged on an inner side of the lower shell; and the external terminal has an inner surface facing the lower shell and an outer surface backing on to the lower shell. In the invention, the post is fixed to the inner surface of the external terminal and then penetrates through the first through-hole in the lower shell to be riveted to the current collector. In this way, a weld protrusion generated by welding the post to the outer surface of the external terminal is avoided, and the outer surface of the external terminal is smoother and can be in tighter fit with the busbar, thus improving the current stability.

CPC Classifications