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. 30, 2025
Filed:
Feb. 19, 2019
Lg Chem, Ltd., Seoul, KR;
Joo Yul Baek, Daejeon, KR;
Jun Muk Lim, Daejeon, KR;
Chang Ju Lee, Daejeon, KR;
Il Geun Oh, Daejeon, KR;
Je Young Kim, Daejeon, KR;
Sang Hoon Choy, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A positive electrode includes a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer includes a positive electrode active material, carbon nanotube, and a binder, the binder includes polyvinylidene fluoride which has a weight average molecular weight of 720,000 g/mol to 980,000 g/mol, a BET specific surface area of the carbon nanotube is 140 m/g to 195 m/g, and the positive electrode satisfies the following Formula 1:1.3≤≤3.4 [Formula 1]