| 摘要 |
PURPOSE: A secondary battery is provided to easily wash residue electrolyte and to improve sealability by improving structures of an electrolyte injection part and an injection stopper. CONSTITUTION: A secondary battery includes an electrode assembly, a can in which electrode assembly is included, a cap plate(130) assembled with the upper part of the can, an electrolyte injection part which includes an inlet(141) passing through the cap plate and an injection ring(142) protruding to the upper part of the inlet, and a injection stopper(150) sealing the electrolyte injection part. |
