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:
Aug. 11, 2026

Filed:

Apr. 28, 2022
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Il Jae Moon, Daejeon, KR;

Woo Ha Kim, Daejeon, KR;

Sung Soo Yoon, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/583 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/625 (2013.01); H01M 4/0416 (2013.01); H01M 4/366 (2013.01); H01M 4/583 (2013.01); H01M 2004/027 (2013.01);
Abstract

Provided is a negative electrode including a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material, a binder, a conductive agent, and a dispersant, wherein the conductive agent includes a carbon nanotube structure in which a plurality of single-walled carbon nanotube units are bonded side by side, the carbon nanotube structure has an average length of 1 μm to 20 μm, and QBR according to Equation 1 is in a range of 1 to 1.75


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