Aekyung Chemical Co., Ltd.

Samsung Sdi Co., Inc.

Nam-Seon Kim

Byung-Joo Chung

Kwang-Sik Choi

Chang-Ui Jeong

Eon-Mi Lee

Yang-soo Kim

Jae-Hyuk Kim

Seung-Uk Kwon

Soon-Sung Suh

Ha-Na Yoo

Yang-Soo Kim

Yeon-Hee Yoon

Soo-Jung Kim

Byung-joo Chung

A binder composition for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The binder composition includes lithium polyacrylate and a solvent and has a viscosity of about 500 cps to about 5000 cps.

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

A binder composition for a rechargeable lithium battery includes: an interpenetrating polymer network (IPN) structure including a cyclic polymer including a structural unit represented by Chemical Formula 1 or a structural unit represented by Chemical Formula 2, and polyacrylamide. A method of preparing the same, and an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are also disclosed. In Chemical Formulae 1 and 2, Rto R, Rto R, and n and m are the same as defined in the detailed description.

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

A binder for a rechargeable lithium battery includes a copolymer having a weight average molecular weight of about 10,000 to about 500,000 and including a repeating unit represented by Chemical Formula X and a repeating unit represented by Chemical Formula Y-1:  The binder may be used in preparing an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the electrode exhibits improved stability, rate capability, and cycle-life.

Binder for rechargeable lithium battery, electrode for rechargeable lithium battery, method of preparing electrode for rechargeable lithium battery and rechargeable lithium battery including electrode

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.

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

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.  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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Daejeon-si, South Korea

Nam-Seon Kim