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:
Apr. 21, 2026
Filed:
Nov. 06, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/04 (2006.01); H01M 4/13 (2010.01); H01M 4/139 (2010.01); H01M 4/66 (2006.01); H01M 4/70 (2006.01); H01M 4/74 (2006.01); H01M 4/88 (2006.01); H01M 10/052 (2010.01); H01M 50/342 (2021.01);
U.S. Cl.
CPC ...
H01M 50/342 (2021.01); H01M 4/66 (2013.01); H01M 4/70 (2013.01); H01M 4/8828 (2013.01);
Abstract
The present invention relates to an electrode for a secondary battery having improved safety, a method for manufacturing the electrode, and a secondary battery including the electrode. The secondary battery according to the present invention includes a plurality of apertures that penetrate a current collector and an electrode active material layer in a thickness direction. The electrode may improve safety by preventing or minimizing the occurrence of ignition or explosion when a sharp object such as a nail penetrates into the interior of a battery, thereby improving safety of the battery.