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.

Date of Patent:
Apr. 28, 2026

Filed:

Jun. 26, 2020
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Jooyul Baek, Daejeon, KR;

Taegyun Noh, Daejeon, KR;

Heewon Choi, Daejeon, KR;

Mi Ru Jo, Daejeon, KR;

Chan Ki Park, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0404 (2013.01); H01M 4/587 (2013.01); H01M 4/622 (2013.01); H01M 4/661 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

The present disclosure relates to an electrode for a lithium secondary battery and a lithium secondary battery including the same, the electrode including: a current collector; and an electrode material layer containing an active material and a binder that is formed on at least one surface of the current collector, wherein, when the electrode material layer is divided in half based on the thickness, the upper layer located away from the current collector and corresponding to the thickness of ½ is referred to as an electrode material layer A, and the lower layer located close to the current collector and corresponding to the thickness of ½ is referred to as an electrode material layer B, each of the electrode material layer A and the electrode material layer B contains one or more active material layers, and satisfies all of the conditions (1) to (3) described in claims.


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