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. 28, 2019
Filed:
Mar. 25, 2016
Applicants:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventor:
Guesung Kim, Suwon-si, KR;
Assignees:
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
SAMSUNG SDI CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/1315 (2010.01); H01M 4/36 (2006.01); H01M 4/48 (2010.01); H01M 4/50 (2010.01); H01M 4/505 (2010.01); H01M 4/52 (2010.01); H01M 4/525 (2010.01); H01M 4/56 (2006.01); C01G 53/00 (2006.01); H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/485 (2010.01); H01M 4/583 (2010.01); H01M 4/587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); C01G 53/00 (2013.01); C01G 53/006 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/1315 (2013.01); H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 4/386 (2013.01); H01M 4/483 (2013.01); H01M 4/485 (2013.01); H01M 4/502 (2013.01); H01M 4/523 (2013.01); H01M 4/56 (2013.01); H01M 4/583 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); C01P 2002/32 (2013.01); C01P 2002/50 (2013.01); C01P 2002/52 (2013.01); C01P 2002/72 (2013.01); C01P 2002/74 (2013.01); C01P 2002/85 (2013.01); C01P 2004/80 (2013.01); C01P 2004/84 (2013.01); Y02T 10/7011 (2013.01);
Abstract
A composite electrode active material including: a core, which is capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on the core, wherein the surface treatment layer comprises a lithium-free oxide that has a spinel structure and includes a dopant, wherein the dopant includes at least one selected from fluorine, sulfur, nitrogen, boron, and phosphorous.