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:
Nov. 26, 2024
Filed:
Apr. 17, 2020
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jinhyon Lee, Yongin-si, KR;
Hongjeong Kim, Yongin-si, KR;
Hyeri Eom, Yongin-si, KR;
Sangjun Lee, Yongin-si, KR;
Daeseop Lim, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
The present invention relates an anode for a lithium secondary battery and a lithium secondary battery comprising same. The anode for a lithium secondary battery comprises a current collector; and an anode active material layer formed on the current collector and including a carbon-based anode active material, wherein the anode active material layer has a multi-layer structure of three or more layers and at least one layer of the anode active material layer is an oriented layer having a degree of divergence (DD) of 19 or greater, the DD being defined by the following formula 1:Degree of Divergence (DD)=()*100 [formula 1](In formula 1,