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. 12, 2024
Filed:
Oct. 26, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Su Min Lee, Daejeon, KR;
Eun Kyung Kim, Daejeon, KR;
Yong Ju Lee, Daejeon, KR;
Rae Hwan Jo, Daejeon, KR;
Dong Hyuk Kim, Daejeon, KR;
Se Mi Park, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/02 (2006.01); H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/134 (2013.01); H01M 4/366 (2013.01); H01M 4/663 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
A silicon-carbon complex comprising carbon-based particles and silicon-based particles, wherein the silicon-based particles are dispersed and positioned on surfaces of the carbon-based particles, the carbon-based particles have a specific surface area of 0.4 m/g to 1.5 m/g, and the silicon-based particles are doped with one or more elements selected from the group consisting of Mg, Li, Ca, and Al, and a negative electrode active material for lithium secondary battery comprising the same.