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:
Jul. 14, 2015
Filed:
Aug. 15, 2014
Lg Chem, Ltd., Seoul, KR;
Sinyoung Park, Daejeon, KR;
Sung kyun Chang, Daejeon, KR;
Hong-Kyu Park, Daejeon, KR;
Seung Tae Hong, Daejeon, KR;
Youngsun Choi, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO) wherein the nickel-based lithium transition metal oxide contains nickel (Ni) and at least one transition metal selected from the group consisting of manganese (Mn) and cobalt (Co), wherein the content of nickel is 50% or higher, based on the total weight of transition metals, and has a layered crystal structure and an average primary diameter of 3 μm or higher, wherein the amount of Nitaking the lithium site in the layered crystal structure is 5.0 atom % or less.