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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 9406937 B1

PDFFull Text
Date of Patent:
Aug. 02, 2016

Filed:

Dec. 23, 2013

Binder composition for rechargeable lithium battery, preparing method of same, and rechargeable lithium battery including binder composition

Applicants:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Aekyung Chemical Co., Ltd, Seoul, KR;

Inventors:

Byung-Joo Chung, Yongin-si, KR;

Eon-Mi Lee, Yongin-si, KR;

Seung-Uk Kwon, Yongin-si, KR;

Jae-Hyuk Kim, Yongin-si, KR;

Soon-Sung Suh, Yongin-si, KR;

Chang-Ui Jeong, Yongin-si, KR;

Ha-Na Yoo, Yongin-si, KR;

Nam-Seon Kim, Yongin-si, KR;

Yang-Soo Kim, Yongin-si, KR;

Kwang-Sik Choi, Yongin-si, KR;

Assignee:

AEKYUNG CHEMICAL CO., LTD., Seoul, KR;

Attorney:

Lee & Morse, P.C.

Primary Examiner:

Vu A Nguyen

Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/587 (2010.01); H01M 4/133 (2010.01); H01M 10/052 (2010.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); C08F 8/30 (2006.01); H01M 4/36 (2006.01); C08L 51/00 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08F 8/30 (2013.01); C08L 51/00 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); C08L 2205/04 (2013.01); H01M 2004/021 (2013.01); Y02E 60/122 (2013.01);
Abstract

A binder composition for a rechargeable lithium battery includes a semi-interpenetrating polymer network (semi-IPN) including a copolymer including a repeating unit represented by the following Chemical Formula 1 and a repeating unit represented by the following Chemical Formula 2 and polyacrylamide, and polyalkylene glycol. In Chemical Formula 1, Rand Rare the same or different and are independently selected from hydrogen, or a substituted or unsubstituted C1 to C10 alkyl group, and Rand Rare an alkali metal. In Chemical Formula 2, Rto Rare the same or different, and are independently hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C1 to C30 alkoxy group.

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