Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Aekyung Chemical Co., Ltd.

Eon-Mi Lee

Byung-Joo Chung

Jung-Hyun Nam

Woo-Cheol Shin

Sang-Hoon Kim

Sang-Il Han

Pavel Shatunov

Mi-Hyun Lee

Myung-Hwan Jeong

Tae-Hyun Bae

Jung-Yi Yu

Moon-Sung Kim

Vladimir Egorov

In-Haeng Cho

Makhmut Khasanov

Seung-Tae Lee

Alexey Tereshchenko

Ha-Rim Lee

Denis Chernyshov

Duck-Hyun Kim

E-Rang Cho

Dong-Myung Choi

Jong-Hwan Park

Hana Kim

Hyoungwoo Choi

Myungkook Park

Minho Cho

Hoon Seok

Jungsue Jang

Seungrim Yang

Yeon-Joo Choi

Sungsoo Han

Byungmin Lee

Bokyung Jung

Kwang-Sik Choi

Nam-Seon Kim

Jae-Hyuk Kim

Chang-Ui Jeong

Seung-Uk Kwon

Soon-Sung Suh

Yang-soo Kim

Ha-Na Yoo

Ae-Hui Goh

Jong-Ki Lee

Sung Soo Han

Tae-Sik Kim

Jung-hyun Nam

Bo Kyung Jung

Yang-Soo Kim

Byung Min Lee

Pavel Alexandrovich Shatunov

Alexey Tereshenko

A separator for a rechargeable lithium battery includes a substrate, an organic layer positioned on at least one side of the substrate and including an organic material and an inorganic layer positioned on at least one side of the substrate and including an inorganic material, wherein the organic material includes two or more kinds of organic particles having different particle sizes from each other.

Separator for rechargeable lithium battery and rechargeable lithium battery including same

A separator for a rechargeable lithium battery includes a substrate; an organic layer on at least one side of the substrate and including an organic material; and an inorganic layer on at least one side of the substrate and including an inorganic material, where the organic material includes two or more organic particles having respective melting points that are different from each other. A rechargeable lithium battery includes the separator.

A separator for a rechargeable lithium battery includes a substrate and a heat-resistant porous layer on at least one side of the substrate. The heat-resistant porous layer includes a crosslinked binder. The crosslinked binder has a cross-linked structure of a crosslinkable compound including a siloxane compound. The siloxane compound includes a siloxane resin including a unit represented by the chemical formula RSiO, where Ris a curable reactive group, or an organic group having a curable reactive group.

Separator for rechargeable lithium battery and rechargeable lithium battery including the same

Provided are a separator for a lithium secondary battery including a substrate and a heat-resistance porous layer disposed on at least one surface of the substrate and including a cross-linked binder, wherein the cross-linked binder has a cross-linking structure of a compound represented by Chemical Formula 2, and a lithium secondary battery including the same.

Separator for lithium secondary battery, and lithium secondary battery comprising same

A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.

Negative electrode for rechargeable lithium battery and rechargeable lithium battery including the same

A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same, the separator including a substrate, and a heat-resistant porous layer on at least one side of the substrate, the heat-resistant porous layer including a crosslinked binder and a non-crosslinked binder, wherein the crosslinked binder has a cross-linked structure of at least one crosslinkable compound, the at least one crosslinkable compound including a multi-functional urethane-based compound, and the crosslinked binder and the non-crosslinked binder are included in a weight ratio of about 3:7 to about 8:2.

In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided.

Rechargeable lithium battery and method of fabricating same

An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 and a rechargeable lithium battery including the same.

Electrolyte and rechargeable lithium battery including same

A separator for a rechargeable lithium battery and a rechargeable lithium battery, the separator including a substrate, and a heat-resistant porous layer on at least one side of the substrate, the heat-resistant porous layer including an imide-based copolymer, wherein the imide-based copolymer includes a first repeating unit represented by Chemical Formula 1 and a second repeating unit represented by Chemical Formula 2: 

An organic electrolyte solution and a lithium battery using the same are disclosed. The organic electrolyte solution includes a lithium salt, an organic solution, a thiophene-based compound and a nitrile-based compound.

Organic electrolyte solution including thiophene-based compound and nitrile-based compound and lithium battery comprising the same

An additive, the additive being for an electrolyte for a lithium secondary battery and represented by Chemical Formula 1: Rto Reach independently being hydrogen or a non-polar hydrocarbon group, is disclosed. An electrolyte, the electrolyte being for a lithium secondary battery and including: a non-aqueous organic solvent; a lithium salt; and the additive is also disclosed. A lithium secondary battery including: a positive electrode; a negative electrode facing the positive electrode; and a separator between the positive electrode and the negative electrode, the separator being impregnated with an electrolyte including the additive, is also disclosed.

Additive for electrolyte and electrolyte and lithium secondary battery

A rechargeable lithium battery includes a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The separator includes a substrate having a first side facing the negative electrode and a second side facing the positive electrode. A first layer is positioned on the first side of the substrate and includes an organic material, and a second layer is positioned on the second side of the substrate and includes an inorganic material.

Rechargeable lithium battery

Rechargeable lithium battery and method of fabricating the same

An electrolyte additive represented by the following Chemical Formula 1, an electrolyte, and a rechargeable lithium battery are disclosed: In Chemical Formula 1, Rto Rand Lto Lare the same as defined in the detailed description.

Additive for electrolyte and electrolyte and rechargeable lithium battery

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

Growing community of inventors

Yongin-si, South Korea

Eon-Mi Lee