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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 10340522 B1

PDFFull Text
Date of Patent:
Jul. 02, 2019

Filed:

Jul. 13, 2017

Binder composition for lithium secondary battery, electrode for lithium secondary battery including the binder composition, and lithium secondary battery including the electrode

Applicants:

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

Aekyung Chemical Co., Ltd., Seoul, KR;

Inventors:

Soonsung Suh, Yongin-si, KR;

Seunguk Kwon, Yongin-si, KR;

Jaehyuk Kim, Yongin-si, KR;

Namseon Kim, Yongin-si, KR;

Soojung Kim, Yongin-si, KR;

Kwangshik Choi, Yongin-si, KR;

Assignees:

SAMSUNG SDI CO., LTD., Yongin-si, Gyeonggi-do, KR;

Aekyung Chemical Co., Ltd., Seoul, KR;

Attorney:

Lee & Morse, P.C.

Primary Examiner:

James M Erwin

Int. Cl.
CPC ...
H01M 4/62 (2006.01); C08F 220/56 (2006.01); C08L 1/28 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/48 (2010.01); H01M 10/0525 (2010.01); H01M 4/587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08F 220/56 (2013.01); C08L 1/286 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); Y02T 10/7011 (2013.01);
Abstract

A binder composition for a lithium secondary battery, an electrode, and a lithium secondary battery, the binder composition including an interpenetrating network structure that includes a cyclic polymer, the cyclic polymer including a repeating unit represented by Formula 1 or a repeating unit represented by Formula 2; and a copolymer, the copolymer including a repeating unit represented by Formula 3 and a repeating unit represented by Formula 4, wherein an amount of the repeating unit represented by Formula 3 is about 40 mol % to about 70 mol %, based on a total amount of the copolymer:

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