SECONDARY BATTERY

摘要

A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly, a can accommodating the electrode assembly therein and a cap assembly sealing the can. The cap assembly includes a sub-plate electrically connected to the electrode assembly and a vent having a protruding portion electrically connected to the sub-plate. The vent includes i) a first fracture portion and ii) a second fracture portion formed between the first fracture portion and the protruding portion.

主权项

1. A secondary battery, comprising:
an electrode assembly; a can accommodating the electrode assembly therein; and a cap assembly sealing the can, wherein the cap assembly comprises a sub-plate electrically connected to the electrode assembly and a vent having a protruding portion electrically connected to the sub-plate, and wherein the vent comprises i) a first fracture portion and ii) a second fracture portion formed between the first fracture portion and the protruding portion.