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:
Mar. 10, 2026
Filed:
Aug. 15, 2022
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jinhyeok Lim, Yongin-si, KR;
Yunhee Kim, Yongin-si, KR;
Sujeong Koh, Yongin-si, KR;
Seungtae Lee, Yongin-si, KR;
Sunjoo Choi, Yongin-si, KR;
Siyoung Cha, Yongin-si, KR;
Miyoung Son, Yongin-si, KR;
Minju Lee, Yongin-si, KR;
Myungheui Woo, Yongin-si, KR;
Jinah Seo, Yongin-si, KR;
Harim Lee, Yongin-si, KR;
Erang Cho, Yongin-si, KR;
SAMSUNG SDI CO., LTD., Yongin-si, KR;
Abstract
A lithium battery includes a cathode; an anode; and an organic electrolytic solution between the cathode and the anode, wherein the anode includes an anode current collector and an anode active material layer on the anode current collector, the anode active material layer includes carbonaceous and silicon-containing composite anode active materials, the anode active material layer includes first and second anode active material layers, and the first anode active material layer is between the anode current collector and the second anode active material layer, a content of silicon in the first anode active material layer is higher than the second anode active material layer, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: