Lg Energy Solution, Ltd.

Seoul National University

Dong Hyeop Han

Lucia Kim

Jonghyun Chae

Kihyun Kim

Kwonnam Sohn

Jong-Chan Lee

Bong Soo Kim

Changhun Park

Minsu Kim

Yun Kyoung Kim

Kyu Tae Lee

Jaegil Lee

Dongseok Shin

Sangryeo Lee

Dong Min Kim

Kyungsik Hong

Jihoon Ahn

Jehoon Lee

Wansoo Chang

Jee Seon Kim

Na Kyung Kim

Yunjung Kim

Daun Jeong

Ji-Hoon Baik

Hongsun Yang

A capsule for a lithium-sulfur secondary battery, the capsule comprising a core containing a material capable of forming and restoring a solid electrolyte interface layer and a hydrogel; and a shell formed of a polymer and surrounding the core, is provided. The capsule maintains the solid electrolyte interface layer on a negative electrode for a long time by maintaining the material capable of forming and restoring the solid electrolyte interface layer at a constant level during operation of the lithium-sulfur secondary battery.

Capsule for lithium-sulfur secondary battery, and lithium-sulfur secondary battery comprising same

An apparatus for manufacturing a positive electrode film and a manufacturing method using the same are provided. The apparatus includes a feeding part supplying a positive electrode material in a powder state to an upper surface of a mold conveyed by conveying means, a flattening part flattening the positive electrode material in a powder state supplied to the upper surface of the mold, a forming part applying pressure from an upper direction to the positive electrode material that has passed through the flattening part; and a conveying part comprising the conveying means sequentially conveying the mold to the feeding part, the flattening part, and the forming part.

Apparatus for manufacturing positive electrode film, manufacturing method using same, and positive electrode film manufactured using same

An electrolyte for a lithium-sulfur battery including a lithium salt, a non-aqueous organic solvent, and an additive. The non-aqueous organic solvent includes an ether compound and a heterocyclic compound. The heterocyclic compound includes one or more double bonds and comprises an oxygen atom or a sulfur atom. The additive includes a carbonate compound.

Lithium-sulfur battery electrolyte and lithium-sulfur battery comprising same

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

Dong Hyeop Han