Lg Energy Solution, Ltd.

Lg Chem, Ltd

Yonsei University

Postech Academy-industry Foundation

Sogang University Research Foundation

Seoul National University

Kwonnam Sohn

Doo Kyung Yang

Eunkyung Cho

Suenghoon Han

Dongwook Lee

Soohyun Kim

Yun Kyoung Kim

Jieun Song

Seungbo Yang

Jinwoo Lee

Jiwon Kim

Jun Hyuk Moon

Eui Tae Kim

Moo Whan Shin

Il To Kim

Jungmi Moon

Myeong Jun Song

Donghee Gueon

Kihyun Kim

Bong Soo Kim

Seongji Ye

Changshin Jo

Won-Gwang Lim

Jaehong Kim

Gyo Hyun Hwang

Won Jong Kwon

Jonghyun Chae

Jong-Chan Lee

Taek Gyoung Kim

Minsu Kim

Changhun Park

Sang Ho Kim

Eun Kyoung Park

Kyu Tae Lee

Dongwook Koh

Changhoon Lee

Dongseok Shin

MiRa Im

Jongwook Jung

Jangsoo Lee

Dong Hyeop Han

Dong Min Kim

Jaehyun Lee

Daun Jeong

Byung-Hee Choi

Sunmi Jin

Jia Lee

Wongwang Lim

Chan Yeong Koong

Mijin Lee

Jeong Tae Hwang

Yochan Jeong

Ilto Kim

Hyun-Ho Lee

Dongjun Kim

Jihyeon Park

Eunji Jang

Ji Won Suk

Hongsun Yang

Seoyoung Yoon

A positive electrode containing a sulfur-carbon composite and a lithium secondary battery including the same are discussed. More specifically, a network-shaped coating layer including a conductive polymer on a surface of the sulfur-carbon composite, and thus the conductivity of the sulfur-carbon composite is enhanced and also, lithium ions move freely, and accordingly, when applied to lithium secondary batteries, the sulfur-carbon composite can enhance the performance of batteries.

Sulfur-carbon composite and lithium secondary battery comprising same

A composite including a sulfur-carbon composite and a coating layer on a surface of the sulfur-carbon composite, the coating layer including a porous carbon material and a point contact binder is disclosed. Also disclosed is a method for preparing the same, and a positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same.

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

The present disclosure provides a porous carbon material having a core-shell structure, which comprises a core comprising a structure formed by stacking carbon sheets, and a shell comprising carbon surrounding the core, and a preparation method thereof, a sulfur-carbon composite comprising the same, and a lithium secondary battery comprising the same.

Porous carbon material having core-shell structure, preparation method thereof, sulfur-carbon composite comprising same, and lithium secondary battery

A positive electrode active material for a lithium secondary battery including a carbon material impregnated with catalyst particles, and a sulfur-carbon composite, a preparation method thereof, and a positive electrode for a lithium secondary battery, and the lithium secondary battery including the same.

Cathode active material for lithium secondary battery, manufacturing method thereof, and lithium secondary battery comprising same

The present disclosure relates to a positive electrode active material, a preparation method thereof, and a lithium-sulfur battery including the same, more particularly to a positive electrode active material including a particulate structure of a core-shell structure which comprises a core part and a shell part covering the whole surface or a part of the surface of the core part, wherein the core part comprises a sulfur compound, and the shell part comprises a polythiophene acetic acid-polyethylene glycol graft copolymer. The positive electrode active material of the present disclosure has excellent electrochemical reactivity and adsorbs lithium polysulfide to improve capacity and lifetime characteristics of the lithium-sulfur battery.

Positive electrode active material for lithium-sulfur battery, preparation method thereof and lithium-sulfur battery comprising same

A holey thermally expanded-reduced graphene oxide having high specific surface area and pore volume including pores on the surface, a method for preparing the same, and a sulfur-carbon composite and a lithium secondary battery including the same.

Thermally expanded reduced graphene oxide, manufacturing method therefor, sulfur-carbon composite comprising same, and lithium secondary battery

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 method for preparing a sulfur-carbon composite including the steps of: (a) mixing a carbon-based material with sulfur or a sulfur compound; (b) placing the sulfur-carbon mixture mixed in step (a) and a liquid which is vaporizable into a sealable container, and (c) heating the sealed container to a temperature of 120 to 200° C.; a positive electrode for a lithium secondary battery including the sulfur-carbon composite prepared by the above method, and a lithium secondary battery including the above positive electrode.

Sulfur-carbon composite manufacturing method, sulfur-carbon composite manufactured thereby, cathode comprising same sulfur-carbon composite, and lithium secondary battery comprising same cathode

A carbon-sulfur composite including a carbonized metal-organic framework (MOF); and a sulfur compound introduced to at least a part of an outside surface and an inside of the carbonized metal-organic framework, wherein the carbonized metal-organic framework has a specific surface area of 1000 m/g to 1500 m/g, and the carbonized metal-organic framework has a pore volume of 0.1 cc/g to 10 cc/g, and a method for preparing the same.

Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same

A sulfur-carbon composite including a porous carbon material; a coating layer on a surface of the porous carbon material, the coating layer including a compound with electrolyte solution impregnation property; and sulfur, a method for preparing the same, and a positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same are disclosed.

Sulfur-carbon composite, method for producing same, and positive electrode for lithium-sulfur battery and lithium-sulfur battery which comprise same

A method for preparing a carbon nanostructure including molybdenum disulfide is discussed. More particularly, a method is discussed for preparing a carbon nanostructure in which molybdenum disulfide is located on the surface by melt diffusion and heat treatment of a mixture of a molybdenum precursor, a carbon nanostructure, and sulfur. Also, a positive electrode of a lithium secondary battery including a carbon nanostructure including molybdenum disulfide as an additive, and a lithium secondary battery including the same. In the case of the lithium secondary battery including the positive electrode to which the carbon nanostructure including molybdenum disulfide was applied, the carbon nanostructure including the molybdenum disulfide adsorbs lithium polysulfide (LiPS) generated during the charging/discharging process of the lithium secondary battery, thereby increasing the charging/discharging efficiency of the battery and improving lifetime characteristics.

Method for preparing carbon nanostructure comprising molybdenum disulfide, lithium secondary battery cathode comprising carbon nanostructure comprising molybdenum disulfide, prepared thereby, and lithium secondary battery comprising same

Discussed is a sulfur-carbon composite, a method for preparing the same, and a positive electrode for a lithium secondary battery and a lithium secondary battery including the same.

Sulfur-carbon composite, method for producing same, and lithium secondary battery including same

A sulfur-carbon composite including a porous carbon material; and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.04 to 0.400 cm/g and a specific surface area of the sulfur-carbon composite is 4.0 to 30 m/g, and a method for preparing the same.

Sulfur-carbon composite, preparation method therefor, and lithium secondary battery comprising same

A sulfur-carbon composite and a lithium secondary battery including the same are discussed. More specifically, a network-shaped coating layer including a conductive polymer is formed on a surface of the sulfur-carbon composite, and thus the conductivity of the sulfur-carbon composite is enhanced and also, lithium ions move freely, and accordingly, when applied to lithium secondary batteries, the sulfur-carbon composite can enhance the performance of batteries.

A ceria-carbon-sulfur (CeO—C—S) composite including a ceria-carbon (CeO—C) composite in which cylindrical carbon materials having ceria (CeO) particles bonded to surfaces thereof are entangled and interconnected to each other in three dimensions; and sulfur introduced into at least a portion of an outer surface and an inside of the ceria-carbon composite, a method for preparing the same, and positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same.

Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same

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Daejeon, South Korea

Kwonnam Sohn