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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 9601766 B1

PDFFull Text
Date of Patent:
Mar. 21, 2017

Filed:

Jul. 27, 2015

Negative active material, lithium battery including the negative active material, and method of preparing the negative active material

Applicants:

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

Research & Business Foundation Sungkyunkwan University, Suwon-si, Gyeonggi-do, KR;

Inventors:

Minsang Song, Seongnam-si, KR;

Jong Hyeok Park, Suwon-si, KR;

Zhang Kan, Suwon-si, KR;

Jeongkuk Shon, Hwaseong-si, KR;

Geewoo Jang, Suwon-si, KR;

Jaeman Choi, Seongnam-si, KR;

Junhwan Ku, Seongnam-si, KR;

Sangmin Ji, Yongin-si, KR;

Assignees:

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

RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, Gyeonggi-Do, KR;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Patrick Ryan

Assistant Examiner:

Ben Lewis

Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/36 (2006.01); H01M 4/134 (2010.01); H01M 4/131 (2010.01); H01M 4/485 (2010.01); H01M 4/38 (2006.01); H01M 4/46 (2006.01); H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/1391 (2010.01); H01M 4/1395 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/04 (2013.01); H01M 4/0471 (2013.01); H01M 4/131 (2013.01); H01M 4/134 (2013.01); H01M 4/1391 (2013.01); H01M 4/1395 (2013.01); H01M 4/38 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 4/463 (2013.01); H01M 4/466 (2013.01); H01M 4/485 (2013.01); H01M 4/62 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01);
Abstract

A negative active material including: a composite particle including a non-carbonaceous nanoparticle that allows lithiation and delithiation of lithium ions, and a (meth)acryl polymer disposed on a surface of the non-carbonaceous nanoparticle; and a crystalline carbonaceous nanosheet.

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