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:
Apr. 09, 2024
Filed:
Mar. 20, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
Samsung Sdi Co., Ltd., Yongin-si, KR;
Dongwook Shin, Suwon-si, KR;
Sukgi Hong, Seongnam-si, KR;
Jinhwan Park, Seoul, KR;
Byungjin Choi, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
SAMSUNG SDI.CO., LTD., Gyeonggi-Do, KR;
Abstract
A composite cathode active material, a cathode and a lithium battery each including the composite cathode active material, and a method of manufacturing the composite cathode active material. The composite cathode active material includes a core including a plurality of primary particles, and a shell disposed on the core, wherein a primary particle of the plurality of primary particles includes a lithium nickel transition metal oxide, the shell includes a first composition and a second composition, wherein the first composition contains a first metal and the second composition contains a second metal, wherein the first metal includes a metal of Groups 2, 4, 5, and 7 to 15, the second metal includes a metal of Group 3, and the first composition includes a first phase and the second composition includes a second phase that is distinguishable from the first phase.