The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
Jul. 21, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seong Yoon Lim, Daejeon, KR;
Mi Geum Choi, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/572 (2021.01); H01M 50/463 (2021.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 50/572 (2021.01); H01M 50/46 (2021.01); H01M 50/463 (2021.01); H01M 2220/20 (2013.01);
Abstract
The present invention relates to a secondary battery. The secondary battery according to the present invention comprises an electrode stack in which an electrode and a separator are combined with each other and a ground part grounding the electrode stack to the outside, wherein the ground part comprises a ground member disposed at one side of the separator to allow abnormal current flowing from the electrode to the one side of the separator to be introduced therein.