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:
Aug. 31, 2021
Filed:
Nov. 01, 2017
Samsung Sdi Co., Ltd., Yongin-si, KR;
Junkyu Lee, Yongin-si, KR;
Bokhyun Ka, Yongin-si, KR;
Na-Ri Seo, Yongin-si, KR;
Kyeuyoon Sheem, Yongin-si, KR;
Jinhyon Lee, Yongin-si, KR;
Eun-Hyung Choi, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A rechargeable lithium battery includes an electrolyte, a negative electrode, and a positive electrode. The negative electrode includes a negative active material layer on a negative current collector, and includes a carbon-based negative active material. The negative electrode having a Degree of Divergence (DD) value of about 19 to about 60. The positive electrode includes a positive active material layer and a positive current collector, and includes a positive active material and a porous structured additive. The content of the porous structured additive is about 0.01 wt % to about 2 wt % based on 100 wt % of the positive active material layer.