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. 07, 2021
Filed:
Feb. 19, 2019
Samsung Sdi Co., Ltd., Yongin-si, KR;
Heeeun Yoo, Yongin-si, KR;
Junghyun Nam, Yongin-si, KR;
Hoon Seok, Yongin-si, KR;
Yeonhee Yoon, Yongin-si, KR;
Kyuseo Lee, Yongin-si, KR;
Bokkyu Jeon, Yongin-si, KR;
Jaehwan Ha, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Provided are a positive active material for a rechargeable lithium battery and a positive electrode including the same. The positive active material for a rechargeable lithium battery includes a first positive active material and a second positive active material, wherein the first positive active material includes at least one nickel-based lithium composite oxide, and the second positive active material is represented by Chemical Formula 2 and has an average particle diameter of about 300 nm to about 600 nm:LiFeM1PO.  [Chemical Formula 2]In Chemical Formula 2, 0.90≤a1≤1.8, 0≤x1≤0.7, and M1 may be Mg, Co, Ni, or a combination thereof.