公开(公告)号：US20210050599A1

公开(公告)日：2021-02-18

申请号：US16994037

申请日：2020-08-14

Applicant: Samsung SDI Co., Ltd. ,  GEORGIA TECH RESEARCH CORPORATION

Inventor： Seunghun LEE ,  Gleb YUSHIN ,  Doyoub KIM

IPC: H01M4/80 ,  H01M4/525 ,  H01M4/04 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/131 ,  H01M4/133 ,  H01G11/66 ,  H01G11/24 ,  H01G11/52

Abstract: Provided is a high areal capacity loading electrode that includes: a metal current collector; and an active material layer on the metal current collector, wherein the electrode has high areal capacity loading of greater than or equal to about 2.0 mAh/cm2, and the electrode is perforated with holes spaced from each other at an average distance ranging from about 70 μm to about 900 μm. An energy storage device including the high loading electrode is also provided.

公开(公告)号：US20200303700A1

公开(公告)日：2020-09-24

申请号：US16649925

申请日：2018-09-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Yong-Kyun PARK ,  Hyunhee KIM ,  Juhee SOHN ,  Donghyun SHIN ,  Seunghun LEE ,  Jungmin LEE

IPC: H01M2/12

Abstract: A rechargeable battery is introduced, and an exemplary embodiment of the present invention provides a rechargeable battery including: an electrode assembly configured to charge and discharge a current; a case accommodating the electrode assembly therein; a cap plate configured to seal an opening of the case; an electrode terminal electrically connected to the electrode assembly and externally drawn out through the cap plate; a first valve assembly installed in an electrolyte injection opening of the cap plate to open and close the electrolyte injection opening; a gas removal opening formed in the cap plate to remove a gas; and a second valve assembly installed in the gas removal opening to open and close the gas removal opening.