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:
Jun. 30, 2020
Filed:
Dec. 13, 2013
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventor:
Hironobu Fukahori, Osaka, JP;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/13 (2010.01); H01M 4/36 (2006.01); H01M 4/139 (2010.01); H01M 4/62 (2006.01); H01M 4/587 (2010.01); H01M 4/48 (2010.01); H01M 4/04 (2006.01); H01M 4/583 (2010.01); H01M 4/1393 (2010.01);
U.S. Cl.
CPC ...
H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 4/1393 (2013.01); H01M 4/48 (2013.01); H01M 4/583 (2013.01); H01M 4/666 (2013.01); Y02E 60/122 (2013.01);
Abstract
A negative electrode for a rechargeable lithium battery including a current collector and a negative active material layer positioned on the current collector, wherein the negative active material layer includes a first active material including a carbon-based material, a composite material including a second active material including a silicon-based material or a tin-based material, the second active material being coated with a combined binder and a fiber-shaped conductive material on the surface thereof, and a binder, a rechargeable lithium battery including the same and a method of preparing the same.