Secondary battery and manufacturing method thereof

Abstract

Proposed are a secondary battery and a manufacturing method thereof. The battery includes a casing having an internal accommodation space, a plurality of electrode assemblies accommodated inside the casing, each including a positive electrode tab and a negative electrode tab, with tabs of the same polarity arranged in the same direction, a connection part configured to provide a structure in which the electrode assemblies are electrically connected in series through the casing, a positive terminal connected to a positive electrode tab of one of the electrode assemblies through the series connection structure and exposed outside the casing, and a negative terminal connected to a negative electrode tab of another one of the electrode assemblies through the series connection structure and exposed outside the casing.

Dependencies are inferred from the claim text.