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:
May. 14, 2019
Filed:
May. 23, 2016
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Byungjin Choi, Seoul, KR;
Andrei Kapylou, Yongin-si, KR;
Donghan Kim, Suwon-si, KR;
Jinhwan Park, Seoul, KR;
Jayhyok Song, Yongin-si, KR;
Sungjin Ahn, Anyang-si, KR;
Donghee Yeon, Seoul, KR;
Byongyong Yu, Yongin-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
SAMSUNG SDI CO., LTD., Gyeonggi-Do, KR;
Abstract
A composite positive active material includes: a composite including a first metal oxide represented by Formula 1 and having a layered structure, and a second metal oxide having at least one crystal structure selected from a layer structure, a perovskite structure, a rock salt structure, and a spinel structure, wherein a content of the second metal oxide is greater than 0 and equal to or less than 0.2 moles, per mole of the composite,LiNiMOM  Formula 1wherein, in Formula 1, Mis at least one element selected from Group 4 to Group 14 of the Periodic Table of the Elements; Mis at least one element selected from F, S, Cl, and Br; 0.7≤x<1; and 0≤e<1. Also, a positive electrode including the composite positive active material, and a lithium battery including the positive electrode.