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:
Aug. 09, 2022
Filed:
Jul. 06, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Oh Byong Chae, Daejeon, KR;
Yoon Ah Kang, Daejeon, KR;
Jun Hyuk Song, Daejeon, KR;
Eun Kyung Kim, Daejeon, KR;
Sang Wook Woo, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/052 (2010.01); H01M 4/04 (2006.01); H01M 4/38 (2006.01); H01M 10/44 (2006.01);
U.S. Cl.
CPC ...
H01M 10/052 (2013.01); H01M 4/0447 (2013.01); H01M 4/0452 (2013.01); H01M 4/0459 (2013.01); H01M 4/382 (2013.01); H01M 10/446 (2013.01);
Abstract
A lithium secondary battery including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, wherein the negative electrode is lithiated by pre-lithiation, a total capacity of a negative electrode active material of the negative electrode is larger than a total capacity of a positive electrode active material of the positive electrode, and a charge capacity of the negative electrode is smaller than a charge capacity of the positive electrode by the pre-lithiation.