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:
Oct. 23, 2018
Filed:
Jul. 23, 2012
Won-chang Choi, Yongin-si, KR;
Gue-sung Kim, Yongin-si, KR;
Min-sang Song, Seongnam-si, KR;
Young-min Choi, Suwon-si, KR;
Ryoung-hee Kim, Yongin-si, KR;
So-yeon Kim, Suwon-si, KR;
Won-chang Choi, Yongin-si, KR;
Gue-sung Kim, Yongin-si, KR;
Min-sang Song, Seongnam-si, KR;
Young-min Choi, Suwon-si, KR;
Ryoung-hee Kim, Yongin-si, KR;
So-yeon Kim, Suwon-si, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Abstract
An electrode active material includes a core capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure, and an intensity of an X-ray diffraction peak corresponding to impurity phase of the lithium-free oxide, when measured using Cu—Kα radiation, is at a noise level of an X-ray diffraction spectrum or less.