Secondary battery and method for manufacturing secondary battery

Abstract

A secondary battery according to some embodiments of the present disclosure may include an electrode assembly, a can accommodating the electrode assembly through an opening formed on a side of the can, a cover that seals the opening of the can, and a sealer for sealing the through-hole of the can. The can may include a through-hole on another side of the can for injecting an electrolyte. The sealer may include a flat portion disposed on an outer side of the can to seal the through-hole of the can and a periphery of the through-hole of the can, a post portion connected to the flat portion and inserted into the through-hole of the can, and a plate portion connected to the post portion and disposed on an inner side of the can to seal the through-hole of the can and the periphery of the through-hole of the can.

Dependencies are inferred from the claim text.