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:
Oct. 20, 2026

Filed:

Nov. 06, 2020
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Yeon Suk Hong, Daejeon, KR;

Suk Il Youn, Daejeon, KR;

Joon Kwon, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/38 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/667 (2013.01); H01M 4/0404 (2013.01); H01M 4/382 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01);
Abstract

Disclosed is a method for manufacturing of a negative electrode, a negative electrode, and a secondary battery, wherein the method includes forming a polymer layer on a rear surface of a current collector, forming a preliminary negative electrode active material layer on a front surface of the current collector, and forming a pre-lithiation layer including lithium on the preliminary negative electrode active material layer, wherein the polymer layer includes a copolymer having a first unit represented by Formula 1, and at least one of a second unit represented by Formula 2 or a third unit represented by Formula 3.


Find Patent Forward Citations

Hong, Yeon. (2026). Negative electrode, method for manufacturing the same, and secondary battery comprising the same (U.S. Patent No. 12770885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12770885

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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