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:
Nov. 12, 2024

Filed:

Oct. 24, 2019
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Oh Byong Chae, Daejeon, KR;

Sang Wook Woo, Daejeon, KR;

Ye Ri Kim, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/04 (2006.01); H01M 4/139 (2010.01); H01M 4/38 (2006.01); H01M 10/058 (2010.01); H01M 10/44 (2006.01); H01M 4/02 (2006.01); H01M 4/48 (2010.01); H01M 4/587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/0445 (2013.01); H01M 4/0404 (2013.01); H01M 4/139 (2013.01); H01M 4/382 (2013.01); H01M 10/058 (2013.01); H01M 10/446 (2013.01); H01M 2004/027 (2013.01); H01M 4/386 (2013.01); H01M 4/48 (2013.01); H01M 4/587 (2013.01);
Abstract

A method of producing a negative electrode for a lithium secondary battery. The production method of the present invention includes a process of charging the negative electrode at a low current during pre-lithiation and a process of aging the negative electrode after the pre-lithiation for a sufficient time, thereby producing a negative electrode for a lithium secondary battery having excellent cycle performance.


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