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. 17, 2019
Filed:
Jul. 14, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventor:
Kyung Hwa Woo, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/74 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/80 (2006.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/742 (2013.01); H01M 4/366 (2013.01); H01M 4/622 (2013.01); H01M 4/661 (2013.01); H01M 4/667 (2013.01); H01M 4/668 (2013.01); H01M 4/808 (2013.01); H01M 10/0413 (2013.01); H01M 10/0525 (2013.01);
Abstract
Disclosed are an electrode including a perforated current collector, and a lithium secondary battery including the same, and according to the present disclosure, precipitation and elimination reactions of lithium metal are induced inside a perforation of a negative electrode current collector, and therefore, volume expansion of a cell is suppressed and battery performance is enhanced therefrom.