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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.:

US 9960419 B1

PDFFull Text
Date of Patent:
May. 01, 2018

Filed:

Dec. 19, 2014

Cathode active material, secondary battery comprising the same, and method of manufacturing the positive active material

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Kwangjin Park, Seongnam-si, KR;

Jaegu Yoon, Suwon-si, KR;

Jeongkuk Shon, Hwaseong-si, KR;

Minsang Song, Seongnam-si, KR;

Jaejun Chang, Seoul, KR;

Sangmin Ji, Suwon-si, KR;

Jaeman Choi, Hwaseong-si, KR;

Dongjin Ham, Hwaseong-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Laura Weiner

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/583 (2010.01); H01M 4/505 (2010.01); H01M 4/485 (2010.01); H01M 4/525 (2010.01); C01G 49/00 (2006.01); C01G 53/00 (2006.01); C01G 51/04 (2006.01); C01G 51/00 (2006.01); C01G 45/12 (2006.01); C01G 45/02 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01G 49/0072 (2013.01); C01G 53/50 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); C01G 45/02 (2013.01); C01G 45/1228 (2013.01); C01G 51/04 (2013.01); C01G 51/50 (2013.01); C01P 2002/76 (2013.01); C01P 2002/85 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/80 (2013.01); C01P 2006/40 (2013.01); H01M 10/052 (2013.01); H01M 2004/028 (2013.01);
Abstract

A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

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