Samsung Sdi Co., Inc.

Industry-University Cooperation Foundation Hanyang University

Woo-Cheol Shin

Sang-Il Han

Tae-Hyun Bae

Jung-Yi Yu

Pavel Shatunov

Myung-Hwan Jeong

Moon-Sung Kim

Vladimir Egorov

Alexey Tereshchenko

Denis Chernyshov

Sang-Hoon Kim

Jin-Goo Ahn

Mi-Hyun Lee

Makhmut Khasanov

In-Haeng Cho

Ha-Rim Lee

Duck-Hyun Kim

In-Hyuk Son

Eon-Mi Lee

Byung-Joo Chung

E-Rang Cho

Sung-Chul Lee

Seung-Tae Lee

Dong-Myung Choi

Jung-Hyun Nam

Jong-Rock Choi

In-Seob Song

Sang-Geun Kim

Myung-Hoon Kim

Ju-Yong Kim

Tae-Keun Kim

Yong-Kul Lee

In-hyuk Son

Jeong-Hye Lee

Khasanov Makhmut

Min-Ju Lee

Jong-Ki Lee

Boris Aleksandrovich Trofimov

Ho-Seok Yang

Sang-Jun Kong

Tae-Sik Kim

Bong-Chull Kim

Min-Young Lee

Young-Hwan Park

Young Sam Park

Nina K Gusarova

Si-Young Cha

Byung-Hwa Kim

Ae-Ran Kim

Soo-Jin Kim

Myung-Heui Woo

Hye-Jin Park

Un-Gyu Paik

Tae-Seup Song

Ki-Chun Kil

Pavel Alexandrovich Shatunov

Alexey Tereshenko

An electrolyte for a rechargeable lithium battery includes a lithium salt, an organic solvent, and an additive. The organic solvent includes a sulfur-containing compound represented by Chemical Formula 1 and a fluoroalkyl ether, and the additive includes a phosphazene compound represented by Chemical Formula 3. A rechargeable lithium battery including the electrolyte may have improved cycle-life characteristics and safety. 

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same

In an aspect, a rechargeable lithium battery that includes a positive electrode including a composite positive active material; a negative electrode including a carbon-based negative active material; an electrolyte including an additive, and a lithium salt and an organic solvent, wherein a passivation film may be on a surface of the negative electrode of the rechargeable lithium battery.

Rechargeable lithium battery and negative electrode for same

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

In an aspect, a negative electrode for a lithium secondary battery and a method of manufacturing the same is provided. The negative electrode for the lithium secondary battery includes a negative active material layer.

Negative electrode for lithium secondary battery and method of manufacturing the same

An electrolyte for a lithium battery, a lithium battery including the electrolyte, and a method of preparing the electrolyte for a lithium battery. The electrolyte for a lithium battery includes a non-aqueous organic solvent; and about 0.1 wt % to about 1 wt % of lithium nitrate (LiNO) based on a total weight of the non-aqueous organic solvent. By using the electrolyte for a lithium battery, lifespan cycle properties of the lithium battery may be improved.

Electrolyte for lithium battery, lithium battery including the same, and method of manufacturing electrolyte for lithium battery

A rechargeable lithium battery includes a negative electrode including a negative active material including a Si-based material, a positive electrode, and an electrolyte including a lithium salt, an organic solvent, and an additive including lithium triflate and fluoroethylene carbonate. Embodiments of the rechargeable lithium battery have excellent irreversible characteristics and cycle-life characteristics.

Rechargeable lithium battery

A silicone-containing compound is an additive for a lithium secondary battery electrolyte for improving high-temperature lifetime characteristics and/or high-temperature stability of a lithium secondary battery. An electrolyte for a lithium secondary battery includes the silicon-containing compound. A lithium secondary battery includes the electrolyte. A method of preparing the silicon-containing compound is also provided.

Silicone-containing compound, electrolyte for lithium secondary battery, lithium secondary battery including the same, and the method of preparing the silicone-containing compound

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 electrolyte for a rechargeable lithium battery includes a lithium salt, an organic solvent and an additive. The organic solvent includes a sulfur-containing compound represented by Chemical Formula 1, and the additive includes a phosphazene compound represented by Chemical Formula 2. A rechargeable lithium battery including the electrolyte may have improved performance and safety. In Chemical Formulae 1 and 2, the substituents are as defined in the detailed description.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including 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

Rechargeable lithium battery and method of fabricating the same

Disclosed is an electrolyte for a rechargeable lithium battery including an organic solvent; a lithium salt; a flame retardant; and at least one acrylate compound having a fluorinated alkyl group. The electrolyte for a rechargeable battery may provide a rechargeable lithium battery having flame-retardant characteristics without decrease of cycle-life and battery performance.

Electrolytes for rechargeable lithium battery and rechargeable lithium battery comprising 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

In an aspect, an additive for an electrolyte of a lithium battery, the additive including a compound including at least three nitrile moieties is provided.

Additive for electrolyte of lithium battery, organic electrolytic solution comprising the same, and lithium battery using the organic electrolytic solution

Growing community of inventors

Yongin-si, South Korea

Woo-Cheol Shin