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:
Dec. 09, 2025
Filed:
Aug. 24, 2021
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Sung Chul Lim, Daejeon, KR;
Minchul Jang, Daejeon, KR;
Yohan Kwon, Daejeon, KR;
Ilhong Kim, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/131 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract
A secondary battery according to an embodiment of the present disclosure is a secondary battery including a cathode in which a cathode material is applied onto a cathode current collector, wherein the cathode material includes an irreversible additive and a cathode active material, and the irreversible additive includes lithium nickel oxide (LNO) having a trigonal crystal structure within an operating range from 3.0 V or more to 4.0 V or less in the secondary battery.