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:
Jun. 15, 2021
Filed:
Mar. 22, 2018
Lg Chem, Ltd., Seoul, KR;
Byoung Hoon Ahn, Daejeon, KR;
Houng Sik Yoo, Daejeon, KR;
Chang Wan Koo, Daejeon, KR;
Hyun Chul Ha, Daejeon, KR;
Sang Hoon Choy, Daejeon, KR;
Jong Won Lee, Daejeon, KR;
Dong Hyun Kim, Daejeon, KR;
Gye Min Kwon, Daejeon, KR;
Abstract
The present invention relates to a positive electrode active material pre-dispersion composition which includes a lithium iron phosphate-based positive electrode active material, a dispersant, and a solvent, wherein the dispersant includes a hydrogenated nitrile butadiene rubber (HNBR), a slurry composition for a secondary battery positive electrode which is prepared by using the positive electrode active material pre-dispersion composition, a positive electrode for a secondary battery, and a lithium secondary battery including the positive electrode.