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. 25, 2017
Filed:
Jul. 11, 2014
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Ming-Zi Hong, Yongin-si, KR;
Do-Hyung Park, Yongin-si, KR;
Seon-Young Kwon, Yongin-si, KR;
Joong-Ho Moon, Yongin-si, KR;
Ji-Hyun Kim, Yongin-si, KR;
Han-Eol Park, Yongin-si, KR;
Min-Han Kim, Yongin-si, KR;
Myong-A Woo, Yongin-si, KR;
Ki-Hyun Kim, Yongin-si, KR;
Jong-Seo Choi, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material.LiZrNiCoMZrO  [Chemical Formula 1]