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:
Jan. 21, 2020
Filed:
Nov. 12, 2015
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Hironari Takase, Yokohama, JP;
Hokuto Yokotsuji, Yokohama, JP;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 4/40 (2006.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 4/405 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2220/30 (2013.01); H01M 2300/0034 (2013.01);
Abstract
A rechargeable lithium battery includes: a positive electrode including a positive active material; and an electrolyte solution including a solvent and an additive, wherein the positive active material includes a lithium-containing transition metal oxide, the solvent includes a hydrofluoroether, and the additive includes a first additive represented by Chemical Formula 1 and at least one selected from a second additive represented by Chemical Formula 2, a third additive represented by Chemical Formula 3, and a fourth additive represented by Chemical Formula 4.