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:
Nov. 14, 2023
Filed:
Nov. 20, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/342 (2021.01); H01M 50/578 (2021.01); H01M 50/147 (2021.01);
U.S. Cl.
CPC ...
H01M 50/3425 (2021.01); H01M 50/147 (2021.01); H01M 50/578 (2021.01); H01M 2200/20 (2013.01);
Abstract
A method for manufacturing a secondary battery is provided, the method including a first step of providing a top cap and a safety vent, a second step of bending an end portion of the safety vent upward, and a third step of inserting the top cap inside the safety vent. An outer diameter A of the top cap is greater than an inner diameter B of the safety vent between the second step and the third step. A secondary battery is also provided.