Patent ID: 11876198
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A secondary battery in which an electrode assembly is built in a cylindrical can, a top cap connected to a positive electrode of the electrode assembly is coupled to an upper end of the can, and the can is connected to a negative electrode, the secondary battery comprising:
a cooling member, which is configured to receive heat generated in the electrode assembly and to release the heat, is coupled to a lower portion of the can,
wherein the cooling member comprises a plurality of cooling pins disposed parallel to each other and in a direction parallel to a longitudinal direction of the can,
wherein a bottom surface of the can gradually increases in height from an edge of the bottom surface toward a center of the bottom surface.