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:
Sep. 24, 2024
Filed:
May. 28, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Myeongjun Song, Daejeon, KR;
Myeongseong Kim, Daejeon, KR;
Minsu Kim, Daejeon, KR;
Intae Park, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/133 (2010.01); H01M 4/36 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); H01M 50/417 (2021.01); H01M 50/431 (2021.01); H01M 50/451 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/362 (2013.01); H01M 4/133 (2013.01); H01M 4/5815 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 50/417 (2021.01); H01M 50/431 (2021.01); H01M 50/451 (2021.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0034 (2013.01);
Abstract
Disclosed is a lithium secondary battery, and in particular, to a lithium secondary battery capable of obtaining higher energy density and longer lifetime compared to existing lithium secondary batteries by specifying conditions of a positive electrode and an electrolyte liquid and additionally surface modifying a carbon material through heat treatment or including a separator including a molybdenum disulfide coating layer.