Samsung Sdi Co., Inc.

Jinhyeok Lim

Hyunbong Choi

Myungheui Woo

Harim Lee

Hyejin Park

Olga Tsay

Wonseok Cho

Duckjae You

Taejin Lee

Pavel Shatunov

Aeran Kim

Younghye Kang

Jeongmin Shin

An additive for electrolytes includes a compound represented by Formula 1. The silyl moieties at both ends of the compound may coordinate water to suppress or reduce hydrolysis of LiPF, and may also form a SEI film capable of improving battery performance. Additional embodiments of the present disclosure provide an electrolyte including the additive; and a lithium secondary battery including the electrolyte.

Additive for electrolyte, electrolyte including additive, and lithium secondary battery including electrolyte

Provided are an electrolyte additive for lithium secondary batteries, an electrolyte for lithium secondary batteries including the same, and a lithium secondary battery including the electrolyte, the additive including a compound represented by Formula 1 below: In Formula 1, Rto Rare as defined in the detailed description.

Electrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery including the same, and lithium secondary battery including electrolyte

An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where Rto Rare as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte.

Electrolyte additive for lithium secondary battery and lithium secondary battery including the same

An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive including a compound represented by Formulabelow:

Additive, electrolyte for lithium secondary battery and lithium secondary battery including the same

An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive comprising a compound represented by Formula 1 below:

Elecrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery, and lithium secondary battery including electrolyte

A lithium secondary battery includes: a cathode, an anode; and an electrolyte between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1 below, and the electrolyte includes a lithium salt, a non-aqueous solvent, and a compound represented by Formula 2, where x, y, z, M, A, L, a1, and Rto Rare defined as described in the disclosure. 

Lithium secondary battery

Disclosed herein is an additive for a lithium secondary battery, the additive including a compound represented by Formula 1. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive represented by Formula 1. A lithium secondary battery includes: a cathode; an anode; and the electrolyte including the additive represented by Formula 1. 

An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where Rto Rare as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte. 

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Yongin-si, South Korea

Jinhyeok Lim