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:
Mar. 14, 2017
Filed:
Jul. 01, 2014
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
In-hyuk Son, Yongin-si, KR;
Min-sang Song, Seongnam-si, KR;
In-yong Song, Suwon-si, KR;
Jae-man Choi, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
A positive electrode active material including: a lithium complex oxide represented by Formula 1; and a carbon coating layer disposed on the lithium complex oxide, wherein, in a C1s XPS spectrum of the positive electrode active material, a peak intensity of a first peak at a binding energy from about 288 eV to about 293 eV is greater than a peak intensity of a second peak at a binding energy from about 283 eV to about 287 eV, and in an O1s X-ray photoelectron spectrum of the positive electrode active material, a peak intensity of a third peak at a binding energy from about 530.5 eV to about 535 eV is greater than a peak intensity of a fourth peak at a binding energy from about 527.5 electron volts to about 530 electron volts,LiMM'M″O.  Formula 1