Patent ID: 11955665
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A secondary battery comprising:
an electrode assembly having a structure in which a first electrode sheet and a second electrode sheet are stacked and wound with a separation sheet interposed therebetween, wherein a first electrode tab protrudes in the first electrode sheet, and a second electrode tab protrudes in the second electrode sheet;
a battery can configured to accommodate the electrode assembly therein; and
a connection part provided above or below the electrode assembly and facing the electrode assembly,
wherein the connection part comprises:
a first area made of an electrically conductive gel material; and
a second area attached to the first area and made of an electrically insulating material, and
wherein the second area forms at least a portion of a top surface of the connection part, and at least a portion of the first electrode tab or the second electrode tab is inserted into the first area of the connection part.