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:
Sep. 10, 2019
Filed:
Oct. 17, 2016
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jung Hyun Choi, Daejeon, KR;
Yong Ju Lee, Daejeon, KR;
Eun Kyung Kim, Daejeon, KR;
Su Jin Park, Daejeon, KR;
Hyun Chul Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/04 (2006.01); H01M 4/62 (2006.01); H01M 4/139 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0419 (2013.01); H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 4/62 (2013.01);
Abstract
The present disclosure relates to a negative electrode active material and a secondary battery including the same, and in particular, provides a negative electrode active material particle including a core including a carbon-based active material, and a shell surrounding the core and including a polymer, wherein silicon-based active material particles are embedded in the shell, and at least a part of the silicon-based active material particles is exposed to a surface of the shell.