Lg Energy Solution, Ltd.

Solji Park

Chul Haeng Lee

Kyoung Ho Ahn

Sung Soo Yoon

Won Kyung Shin

Junghoon Lee

Jeongae Yoon

Junhyeok Han

Yoosun Kang

Suhyeon Ji

Sujeong Kim

Jaewon Lee

The present disclosure relates to an electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. More specifically, the electrolyte solution contains the polymer compound represented by Formula 1, and thus can improve high temperature durability, stability, and lifetime characteristics of the lithium secondary battery.

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

A polymer for a gel polymer electrolyte, a gel polymer electrolyte and a lithium secondary battery comprising the same are disclosed herein. In some embodiments, a polymer for the gel polymer electrolyte includes a copolymer having a main chain and a first side chain and a second side chain bonded to the main chain, wherein the main chain contains a fluoropolymer, wherein the first side chain contains a siloxane group and the second side chain contains an acrylic polymer. The polymer improves stability of a gel polymer electrolyte and a lithium secondary battery including the same.

Polymer for gel polymer electrolyte, gel polymer electrolyte and lithium secondary battery comprising the same

One embodiment of the present invention provides a non-aqueous electrolyte solution for a lithium secondary battery, including a lithium salt, an organic solvent and a compound represented by Formula 1 as a first additive,

Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery comprising same

Growing community of inventors

Daejeon, South Korea

Solji Park