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:
Jan. 30, 2024

Filed:

May. 09, 2019
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jun Hyuk Song, Daejeon, KR;

Oh Byong Chae, Daejeon, KR;

Je Young Kim, Daejeon, KR;

Yong Ju Lee, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/48 (2010.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/0404 (2013.01); H01M 4/48 (2013.01); H01M 4/58 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract

A negative electrode active material including a core including silicon, and a coating layer disposed on at least a portion of a surface of the core and including a coating material, wherein the coating material includes at least one selected from the group consisting of LiVOand MgH, wherein 0.5<a<1.5 and 0.5<b<1.5 is provided. Also, a negative electrode including the negative electrode active material and a lithium secondary battery including the negative electrode, are provided.


Find Patent Forward Citations

Loading…