Lg Energy Solution, Ltd.

Seoul National University

Jehoon Lee

Jonghyun Chae

Lucia Kim

Wansoo Chang

Jong-Chan Lee

Dong Hyeop Han

Na Kyung Kim

Daun Jeong

Soohyun Kim

Daeil Kim

Yeonju Lee

JangBae Kim

Ji-Hoon Baik

A polymer material for a lithium secondary battery having ionic conductivity and electronic conductivity at the same time, and a method for preparing the same. The polymer material includes a polythiophene-based polymer and a conductive polymer, and the polymer material may be formed by forming a polythiophene-based polymer, forming a conductive polymer, and heat-treating the polythiophene-based polymer and the conductive polymer.

Lithium secondary battery polymer material and manufacturing method therefor

Disclosed is a sulfur-carbon composite including a carbon material, a coating on the carbon material which comprises a copolymer containing a monomer unit containing a catechol group and a monomer unit containing a lithium ion conductor, and sulfur. Also disclosed is an electrode for lithium-sulfur battery including the same, and a lithium-sulfur battery including the electrode.

Sulfur-carbon composite, positive electrode for lithium-sulfur battery comprising same, and lithium-sulfur battery comprising positive electrode

A solid polymer electrolyte composition and a solid polymer electrolyte are disclosed. More particularly, a solid polymer electrolyte composition and a solid polymer electrolyte formed by photocuring the same are disclosed, including a polymer (A) containing alkylene oxide and having one reactive double bond, a multifunctional cross-linkable polymer (B), and an ionic liquid, wherein the ionic liquid includes an amide-based solvent and a lithium salt.

Solid polymer electrolyte composition, and solid polymer electrolyte containing same

The present invention relates to a polymer electrolyte and a method for manufacturing same. More specifically, a polymer electrolyte with improved ion conductivity can be produced by adding boron nitride to a solid electrolyte comprising polysiloxane.

Solid electrolyte and method for manufacturing same

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Daejeon, South Korea

Jehoon Lee