Samsung Sdi Co., Inc.

Pavel Shatunov

Hyunbong Choi

Olga Tsay

Aeran Kim

Woo-Cheol Shin

Myungheui Woo

Harim Lee

Hyejin Park

Jin-Hyeok Lim

Wonseok Cho

Soojin Kim

Makhmut Khasanov

Alexey Tereshchenko

Denis Chernyshov

Vladimir Egorov

Sang-Hoon Kim

Sang-Il Han

Jung-Yi Yu

In-Haeng Cho

Ha-Rim Lee

Myunghwan Jeong

Mi-Hyun Lee

Tae-Hyun Bae

Jungmin Han

Moon-Sung Kim

Younghye Kang

Duck-Hyun Kim

Myung-Hwan Jeong

Eon-Mi Lee

Seung-Tae Lee

E-Rang Cho

Jinhyeok Lim

Duckjae You

Taejin Lee

Dong-Myung Choi

Byung-Joo Chung

Jeongmin Shin

Jung-Hyun Nam

Woocheol Shin

Tae Jin Lee

Sanghoon Kim

Junyong Lee

Seungtae Lee

Suyeol Ryu

Woo Cheol Shin

Taesik Kim

Injun Park

Inhaeng Cho

Hyejeong Jeong

Khasanov Makhmut

Dongyoung Kim

Boris Aleksandrovich Trofimov

Jinah Seo

Minju Lee

Miyoung Son

AeHui Goh

Nina K Gusarova

Jeong-Hye Lee

Hyerim Lee

Sangjae Park

Bokyung Ryu

Sangwoo Park

Dahyun Kim

Sanghyung Kim

Minseo Kim

Huijung Park

Provided is an electrolyte for a lithium secondary battery, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Chemical Formula 1. The definitions of each of the substituents in Chemical Formula 1 are as set forth in the detailed description.

Electrolyte for lithium secondary battery and lithium secondary battery comprising same

Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte.

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

An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery including the same, the additive being represented by Chemical Formula 1 or Chemical Formula 2:

Additive, electrolyte for rechargeable lithium battery and rechargeable lithium battery

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

This disclosure relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. For example, the electrolyte for a lithium secondary battery includes a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes at least one borate-based lithium salt selected from lithium tetrafluoroborate (LiBF), lithium bis(oxalate)borate (LiBOB), lithium difluoro(oxalato)borate (LiFOB), lithium bis(2-methyl-2-fluoro-malonato)borate, and a combination thereof; and a compound represented by Chemical Formula 1. The detailed description of Chemical Formula 1 is the same as that defined in the specification.

Electrolyte for lithium secondary battery, and lithium secondary battery including same

The present disclosure relates to an electrolyte for a lithium secondary battery and a lithium secondary battery comprising same, the electrolyte comprising: a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1 and a negative electrode film forming agent. Formula 1 is as described in the specification. For example, the electrolyte for a lithium secondary battery includes a non-aqueous organic solvent, a lithium salt, and an additive, and the additive includes a compound represented by Chemical Formula 1 and a negative electrode film forming agent. Description of Chemical Formula 1 is as described in the specification.

An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:

Additive, electrolyte for rechargeable lithium battery, and rechargeable lithium battery

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

Disclosed are an electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same. The electrolyte for a lithium secondary battery, according to an embodiment, can comprise: a nonaqueous organic solvent; a lithium salt; a first additive comprising a compound represented by a specific chemical formula; and a second additive including at least one of lithium difluorophosphate (LiPOF), a cyclic carbonate including a fluorine atom, and a dinitrile compound.

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

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

The present invention relates to a lithium secondary battery. The lithium secondary battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1. The negative active material includes Si at about 0.1 wt % to about 32 wt % in amount based on a total weight of the negative active material. 

Lithium secondary battery comprising electrolyte

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. 

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

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. 

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

Electrolyte for rechargeable lithium battery and rechargeable lithium battery

Growing community of inventors

Yongin-si, South Korea

Pavel Shatunov