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:
Jan. 21, 2025
Filed:
Nov. 13, 2023
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventor:
Young-Min Kim, Suwon-si, KR;
Assignee:
SAMSUNG SDI CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/133 (2010.01); H01M 4/02 (2006.01); H01M 4/1393 (2010.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/386 (2013.01); H01M 4/583 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative active material for a rechargeable lithium battery includes a composite of silicon and crystalline carbon, wherein the silicon has an average particle diameter (D50) of about 10 nm to about 150 nm, and the crystalline carbon has an average particle diameter (D50) of about 5 μm to about 20 μm, and an aspect ratio of about 4 to about 10.