Samsung Sdi Co., Inc.

Industry-university Cooperation Foundation Hanyang University

Sogang University Research Foundation

Woo Cheol Shin

Hyunbong Choi

Aeran Kim

Jeongmin Shin

Pavel Shatunov

Olga Tsay

Myung Heui Woo

Si Young Cha

Ha Rim Lee

Dong Won Kim

Sanghoon Kim

Soo Jin Kim

Hyejin Park

Min Ju Lee

Bongjin Moon

Inhaeng Cho

Duck Hyun Kim

Yun Chae Jung

Ae Ran Kim

Mi Young Son

Myungjun Park

Kayoung Jeon

Seung Tae Lee

Hyun Bong Choi

Tae Ri Kwon

Hee Eun Yoo

Tae Hyun Bae

Il Kyoung Kwon

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

Disclosed are an electrolyte for lithium secondary battery, and a lithium secondary battery comprising same, the electrolyte comprising: a non-aqueous organic solvent; lithium salt; and an additive represented by Chemical Formula 1.

The present disclosure relates to a lithium secondary battery electrolyte and a lithium secondary battery comprising the lithium secondary battery electrolyte, which comprises: a non-aqueous organic solvent including a branched ester-based solvent represented by formula 1; and a lithium salt.

Lithium secondary battery electrolyte and lithium secondary battery comprising same

Provided are an organic electrolytic solution and a lithium battery including the organic electrolytic solution, wherein the organic electrolytic solution includes an organic solvent, a lithium salt, a borate compound represented by Formula 1 below, and an ionic metal complex represented by Formula 2 below: wherein R, R, and Rare each independently a hydrogen; a C-Calkyl group substituted or unsubstituted with a halogen; or a C-Ccyanoalkyl group substituted or unsubstituted with a halogen, at least one of the R, R, and Rincludes a cyanoalkyl group, Me is an element selected from the group consisting of transition metals and Groups 13 to 15 elements of the periodic table, M is a metal ion, a is an integer from 1 to 3, b is an integer from 1 to 3, s=b/a, p is an integer from 0 to 8, q is 0 or 1, r is an integer from 1 to 4, Xand Xare each independently O, S, or NR, Rand Rare each independently a halogen, a C-Calkyl group substituted or unsubstituted with a halogen, or a C-Caryl group substituted or unsubstituted with a halogen, and Ris a C-Calkylene group substituted or unsubstituted with a halogen or a C-Carylene group substituted or unsubstituted with a halogen.

Organic electrolyte and lithium battery employing said electrolyte

Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same wherein the electrolyte includes a non-aqueous organic solvent; a lithium salt; and an additive represented by Chemical Formula 1.

The present invention relates to an electrolyte for a lithium secondary battery, and a lithium secondary battery comprising the electrolyte, the electrolyte comprising a non-aqueous organic solvent; lithium salt; and an additive comprising a compound which contains a difluorophosphite (&#x2014;OPF) group which is expressed by a particular chemical formula.

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

A polymer electrolyte for a lithium secondary battery includes a polymer represented by Formula 1 below, wherein a and b are each independently an integer from 1 to 5, and n is an integer from 1 to 1,000. A lithium secondary battery includes the polymer electrolyte.

Polymer electrolyte for lithium secondary battery and lithium secondary battery including the same

An electrolyte includes an organic solvent and a cyclic ester compound that is substituted with a sulfonate group.

Electrolyte and secondary battery including the electrolyte

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Yongin-si, South Korea

Woo Cheol Shin