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. 26, 2024
Filed:
Jun. 03, 2021
Applicant:
Hansol Chemical Co., Ltd., Seoul, KR;
Inventors:
Seman Kwon, Seoul, KR;
Soonho Hong, Jeonju-si, KR;
Hyeonwoo Shim, Gwangju, KR;
Sunghwan Kang, Wanju-gun, KR;
Byunghoon Park, Wanju-gun, KR;
Assignee:
Hansol Chemical Co., Ltd., Seoul, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); C01B 33/02 (2006.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01B 33/02 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 10/052 (2013.01); C01P 2004/03 (2013.01); C01P 2004/32 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2004/80 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon.