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. 25, 2026
Filed:
Jul. 19, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Lilin Piao, Daejeon, KR;
Sangwook Woo, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A negative electrode for secondary battery includes a negative electrode current collector; a first active material layer in which a first negative electrode slurry containing a first negative electrode active material is coated onto the negative electrode current collector; and a second active material layer in which a second negative electrode slurry containing a second negative electrode active material is coated onto the first active material layer, wherein the first negative electrode active material contains natural graphite having an mesopore volume of 0.6*10cm/g or more and 2.5*10cm/g or less, and the second negative electrode active material contains artificial graphite.