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. 05, 2024
Filed:
Jan. 30, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 50/107 (2021.01); H01M 50/179 (2021.01); H01M 50/533 (2021.01); H01M 50/538 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0422 (2013.01); H01M 10/0431 (2013.01); H01M 50/107 (2021.01); H01M 50/179 (2021.01); H01M 50/533 (2021.01); H01M 50/538 (2021.01);
Abstract
A cylindrical secondary battery includes an electrode assembly having a positive electrode/separator/negative electrode structure positioned in a cylindrical battery can. The cylindrical secondary battery comprises: a first insulating layer mounted at the upper end of the electrode assembly and having a first through hole through which the electrode tab penetrates, and a second insulating layer mounted at the upper end of the first insulating layer and having a second through hole formed to align with a central axis of the electrode assembly. A method of manufacturing the cylindrical secondary battery is also provided.