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. 15, 2021
Filed:
Oct. 16, 2019
Samsung Sdi Co., Ltd., Yongin-si, KR;
Pavel Shatunov, Yongin-si, KR;
Olga Tsay, Yongin-si, KR;
Aeran Kim, Yongin-si, KR;
Hyunbong Choi, Yongin-si, KR;
Jin-Hyeok Lim, Yongin-si, KR;
Jungmin Han, Yongin-si, KR;
Myunghwan Jeong, Yongin-si, KR;
Soojin Kim, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
The present invention relates to a lithium secondary battery including a positive electrode including a positive active material, the positive active material including a nickel-containing lithium transition metal compound; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive comprising a compound represented by Chemical Formula 1, wherein the content of Ni is 60 mol % or more based on 100 mol % of the total transition metals in the lithium transition metal compound.