Aekyung Chemical Co., Ltd.

Samsung Sdi Co., Inc.

Kwang-Sik Choi

Byung-Joo Chung

Nam-Seon Kim

Chang-Ui Jeong

Eon-Mi Lee

Yang-soo Kim

Jae-Hyuk Kim

Seung-Uk Kwon

Soon-Sung Suh

Ha-Na Yoo

Yang-Soo Kim

Hueong-Nam Park

Byung-joo Chung

Yeon-Hee Yoon

Soo-Jung Kim

Yoon-Tae Jeon

Do-Yeon Kim

Yun-Sun Do

Gi-Woo Lee

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

Disclosed are a novel reactive mesogen compound having superior thermostability, high birefringence and a simple preparation process while possessing unique liquid crystal characteristics having molecular orientation by forming a polymer network through photopolymerization, and a method of preparing the same. The novel reactive mesogen compound according to the present invention is represented by Formula 3 below. 

Reactive mesogen compound having superior thermostability and high birefringence and method of preparing the 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

Kwang-Sik Choi