SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME

Abstract

A secondary battery and a battery pack are disclosed. A secondary battery includes a case including an opening, an electrode assembly in the case, a cap up arranged in the opening, a cap down facing the cap up and connected to the electrode assembly, a vent plate between the cap up and the cap down and including a first vent surface and a second vent surface that are opposite to each other, a first notch formed concavely from the first vent surface toward the second vent surface, and a second notch formed concavely from the second vent surface toward the first vent surface.

CPC Classifications