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.
Patent No.:
Date of Patent:
Mar. 11, 2025
Filed:
Jun. 12, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Su-Min Lee, Daejeon, KR;
Je-Young Kim, Daejeon, KR;
Sun-Young Shin, Daejeon, KR;
Yong-Ju Lee, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/66 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode active material for a lithium secondary battery, including silicon oxide particles, wherein the silicon oxide has a full width at half maximum peak ranging between 2 and 6 in a particle size distribution and the silicon oxide particles have an average particle size (D50) of 1 μm to 20 μm, and a negative electrode and a lithium secondary battery comprising the same. The negative electrode active material according to the disclosure has outstanding life performance and output performance.