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:
Nov. 10, 2015
Filed:
Dec. 10, 2013
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Young-Hun Lee, Yongin-si, KR;
Soon-Rewl Lee, Yongin-si, KR;
Na-Ri Park, Yongin-si, KR;
Young-Ki Kim, Yongin-si, KR;
Ick-Kyu Choi, Yongin-si, KR;
Yong-Chul Park, Yongin-si, KR;
Hong-Kyu Choi, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A cathode active material including at least two agglomerates of primary particles and a cathode and a lithium secondary battery containing the same are disclosed. In the cathode active material, a secondary particle includes a nickel-based lithium transition metal oxide, an average particle diameter of each primary particle is in a range from about 2 to about 3 μm, and an average particle diameter of the secondary particle is in a range from about 5 to about 8 μm.