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:
May. 25, 2021
Filed:
Apr. 22, 2019
Samsung Sdi Co., Ltd., Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A negative electrode for a rechargeable lithium battery includes a negative active material layer including a negative active material, and a current collector supporting the negative active material layer. The negative active material may include first spherical crystalline carbon, the first spherical crystalline carbon including secondary particles in which primary particles of crystalline carbon are assembled, the first spherical crystalline carbon having a coating of crystalline carbon, second spherical crystalline carbon, the second spherical crystalline carbon including secondary particles in which primary particles of crystalline carbon are assembled, the second spherical crystalline carbon having a coating of amorphous carbon, and flake-shaped graphite.