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. 01, 2025

Filed:

Oct. 18, 2023
Applicant:

SK on Co., Ltd., Seoul, KR;

Inventors:

Hyo Mi Kim, Daejeon, KR;

Yong Seok Lee, Daejeon, KR;

Assignee:

SK On Co., Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 4/583 (2010.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 4/64 (2006.01); H01M 10/02 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/583 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); H01M 4/64 (2013.01); H01M 10/02 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract

Provided are a negative electrode for a lithium secondary negative electrode battery including: a current collector; a first negative electrode active material layer disposed on the current collector and including a silicon-based active material, a first graphite-based active material, and a linear conductive material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material. The first graphite-based active material has a carbon coating layer on at least a part of a surface. Also provided is a lithium secondary battery including the negative electrode.


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