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. 23, 2020
Filed:
Aug. 19, 2016
Electrolyte solution for lithium secondary battery and lithium secondary battery comprising the same
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Kyoung Ho Ahn, Daejeon, KR;
Chul Haeng Lee, Daejeon, KR;
Yi Jin Jung, Daejeon, KR;
Jung Hoon Lee, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0567 (2010.01); C07C 309/72 (2006.01); H01M 10/0569 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); C07C 309/72 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0028 (2013.01);
Abstract
The present invention relates to an electrolyte solution for a lithium secondary battery that includes an additive for forming a stable SEI film and a protective layer on a surface of an electrode to prevent a chemical reaction between the electrolyte solution and the electrode, and a lithium secondary battery having improved life characteristics and high-temperature stability by including the same.