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:
Sep. 18, 2012
Filed:
Apr. 03, 2009
Ho Suk Shin, Seoul, KR;
Sung Kyun Chang, Daejeon, KR;
Hong-kyu Park, Daejeong, KR;
Sinyoung Park, Daejeon, KR;
Youngsun Choi, Daejeon, KR;
Seung Tae Hong, Daejeon, KR;
Hyo-shik Kil, Daejeon, KR;
Ho Suk Shin, Seoul, KR;
Sung kyun Chang, Daejeon, KR;
Hong-Kyu Park, Daejeong, KR;
Sinyoung Park, Daejeon, KR;
Youngsun Choi, Daejeon, KR;
Seung Tae Hong, Daejeon, KR;
Hyo-shik Kil, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Provided is a precursor for the preparation of a lithium transition metal oxide that is used for the preparation of a lithium transition metal oxide as a cathode active material for a lithium secondary battery, through a reaction with a lithium-containing compound, wherein the precursor contains two or more transition metals, and sulfate ion (SO)-containing salt ions derived from a transition metal salt for the preparation of the precursor have a content of 0.1 to 0.7% by weight, based on the total weight of the precursor.