Samsung Sdi Co., Inc.

Ikjae Jeong

Jiho Lee

Mincheol Bae

Hongkeun Choi

Kyounghwan Noh

A battery pack is disclosed. In one aspect, the battery pack includes a battery cell and an electrode terminal including a plate member electrically connected to the battery cell, and a bolt passing through the plate member. The bolt includes a plurality of catch jaws disposed on opposing sides of the plate member in a length direction of the bolt and a thread portion exposed from the plate member. The plate member and the bolt include different metallic materials.

Battery pack including electrode terminal having catch jaws

A secondary battery includes an electrode assembly, a case, a cap plate, and a terminal plate. The electrode assembly includes a separator between first and second plates. The case includes the electrode assembly and has an opening. The cap plate seals the opening of the case and has a hole. The terminal plate is on the cap plate and includes a discharge hole aligned with the hole in the cap plate. A short circuit area with a vent may be included in the hole of the cap plate.

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Yongin-si, South Korea

Ikjae Jeong