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:
Jul. 02, 2024

Filed:

Oct. 10, 2019
Applicant:

Lg Chem, 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 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01);
U.S. Cl.
CPC ...
H01M 4/0404 (2013.01); H01M 4/382 (2013.01); H01M 4/386 (2013.01); H01M 4/583 (2013.01); H01M 2004/027 (2013.01);
Abstract

A method of manufacturing a negative electrode for lithium secondary batteries. With the method, a negative electrode for lithium secondary batteries having excellent cycle performance may be manufactured by performing a process of compressing the negative electrode after pre-lithiation of the negative electrode so that the porosity of the negative electrode after the pre-lithiation is maintained within a certain range.


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