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:
Apr. 21, 2026
Filed:
Apr. 08, 2025
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Shulkee Kim, Daejeon, KR;
Duyeol Kim, Daejeon, KR;
Kimin Park, Daejeon, KR;
Kwang Ho Yoo, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/052 (2010.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/583 (2010.01);
U.S. Cl.
CPC ...
H01M 10/052 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
A lithium secondary battery includes a positive electrode, a separator, and a negative electrode, wherein the negative electrode includes a silicon-based active material and wherein a resistance ratio represented by Equation 1 is 100% to 140%.