Samsung Sdi Co., Inc.

Aekyung Chemical Co., Ltd.

Namseon Kim

Kwangshik Choi

Byungjoo Chung

Yangsoo Kim

Jaehyuk Kim

Soonsung Suh

Seunguk Kwon

Soojung Kim

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: 

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

In one aspect, a binder for an electrode of a lithium rechargeable battery, which increases adhesion between the electrode and an active material by saving characteristics of two monomers by grafting an acryl group to a vinyl alcohol group, and an electrode for a rechargeable battery comprising the same are provided. The electrode can improve charge and discharge cycle life characteristics of the rechargeable battery.

Binder for electrode of lithium rechargeable battery and electrode for rechargeable battery comprising the same

Provided is a binder for an electrode of a lithium rechargeable battery including a copolymer of Chemical Formula 1, which increases adhesion between the electrode and an active material by employing a copolymer based on polyacrylamide, while having excellent heat resistance and mechanical strength, an electrode for a rechargeable battery including the same, and a rechargeable battery including the electrode. The binder and electrode can improve charge and discharge cycle life characteristics of the rechargeable battery. 

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Daejeon, South Korea

Namseon Kim