公开(公告)号：US09991480B2

公开(公告)日：2018-06-05

申请号：US14945457

申请日：2015-11-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jae-Il Seong ,  Kyong-Jin Kim

IPC: H01M2/04 ,  H01M2/06 ,  H01M2/08 ,  H01M2/20 ,  H01M10/42 ,  H01M10/04 ,  H01M2/22

CPC classification number: H01M2/0404 ,  H01M2/043 ,  H01M2/0473 ,  H01M2/22 ,  H01M10/0431

Abstract: A rechargeable battery, including an electrode assembly performing charging and discharging; a case containing the electrode assembly and an electrolyte solution; cap plate coupled to an opening of the case to seal the opening and containing more electrolyte solution in a receiving groove on an inner surface thereof; and an insulation case coupled to the receiving groove by a protrusion and located between the electrode assembly and the cap plate.