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:
Sep. 29, 2020
Filed:
Apr. 10, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Do Gyun Kim, Daejeon, KR;
Je Jun Lee, Daejeon, KR;
Kwang Su Hwangbo, Daejeon, KR;
Sang Suk Jung, Daejeon, KR;
Hang Soo Shin, Daejeon, KR;
Gil Young Lee, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 10/04 (2006.01); H01M 2/02 (2006.01); H01M 2/04 (2006.01);
U.S. Cl.
CPC ...
H01M 2/08 (2013.01); H01M 2/022 (2013.01); H01M 2/023 (2013.01); H01M 2/027 (2013.01); H01M 2/0285 (2013.01); H01M 2/046 (2013.01); H01M 2/0413 (2013.01); H01M 10/049 (2013.01); H01M 10/0422 (2013.01); H01M 2/0217 (2013.01); H01M 2/0473 (2013.01);
Abstract
Provided are a secondary battery that is capable of preventing a can member from corroding and a method for manufacturing the same. The secondary battery includes a can member defining an outer appearance of the secondary battery, a top cap assembly an opening of the can member, a gasket insulating the can member and the top cap assembly from each other, and a fracture part disposed on an inner circumference of the opening. The fracture part is blocked from the outside by the gasket.