Samsung Sdi Co., Inc.

Young Sam Park

Ho-Seok Yang

Jin-Hyeok Lim

Yun-Hee Kim

Hee-Yeon Hwang

Hyun-Woo Kim

Min-Young Lee

Se-Jeong Park

Sang-Il Han

Woo-Cheol Shin

Moon-Sung Kim

Duck-Hyun Kim

Bong-Chull Kim

E-Rang Cho

Young-Hwan Park

Jeong-Hye Lee

Byung-Hwa Kim

Disclosed are an additive for an electrolyte represented by the following Chemical Formula 1, and an electrolyte and a rechargeable lithium battery including the same: 

Additive for electrolyte and electrolyte and rechargeable lithium battery

Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, organic solvent and an additive including a compound represented by the following Chemical Formula 1 and a rechargeable lithium battery including the same.  In the above Chemical Formula 1, R is the same as described in the detailed description.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same

An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive. The additive is represented by Chemical Formula 1, and is included in an amount of about 0.05 wt % to about 3 wt % based on the total amount of the electrolyte. A rechargeable lithium battery including the same is also disclosed.  Chemical Formula 1 is as described in the present specification.

Electrolyte and rechargeable lithium battery including same

Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same.  Definition of Chemical Formula 1 is the same as described in the detailed description.

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

A cyclotriphosphazene compound comprising a fluorinated cyclotriphosphazene compound having at least one fluorine atom substituted with a group represented by Formula 1 below, a method of preparing the cyclotriphosphazene compound, an electrolyte including the cyclotriphosphazene compound, and a lithium secondary battery including the electrolyte are provided:*A-[B&#x2014;CN]&#x2003;&#x2003;[Formula 1]A being a heteroatom having an unshared electron pair; * representing a binding site for bonding the group represented by Formula 1 to a phosphorus (P) atom of the fluorinated cyclotriphosphazene compound; B being a substituted or unsubstituted C1-C5 alkylene group; and x being 1 or 2.

Cyclotriphosphazene compound, method of preparing the same, electrolyte for lithium secondary battery including the cyclotriphosphazene compound, and lithium secondary battery including the electrolyte

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Yongin-si, South Korea

Young Sam Park