Seoul National University

Samsung Electronics Co., Ltd.

Lg Chem, Ltd

Lg Energy Solution, Ltd.

Snu Rdb Foundation

Kumho Electric Inc.

Electronics and Telecommunications Research Institute

Kent State University

Jong-Chan Lee

Kihyun Kim

Ki-Hyun Kim

Seong-woo Choi

Sung-kon Kim

Pil-won Heo

Chan-ho Pak

Na Kyung Kim

Jonghyun Chae

Choong-Hoon Lee

Jung-ock Park

Dong-Gyun Kim

Jong-Joo Ha

Don-Ho Kum

Lucia Kim

Dong-Kyu Park

Byung-Kwon Lim

Jun-Young Kim

Andrii B Golovin

Dong Hyeop Han

Seong-Woo Choi

Daun Jeong

Jehoon Lee

Yang-Kee Kim

Ji-Hoon Baik

Kyung-Seok Min

Gi-Seung Choi

In-Sung Her

Hyuk Joo Kim

Tae-Ho Kim

Soohyun Kim

Jinseok Kim

Kwonnam Sohn

Won-Ik Kim

Yong Seok Choi

Chong Kyu Shin

Seung-Kwon Baek

Oleg D Lavrentovich

Chong-Kyu Shin

Young Sam Kim

Youngjea Kim

Sung Soo Han

Hye Young Kong

Ji Hun Kim

Doyoung Kim

Min-su Kim

Seong Ho Choi

Bong-Keun Lee

Hyo A Kang

Daeil Kim

Jung Im Han

Tod L Schneider

Yeonju Lee

Sang-Woong Yoon

Seungpyo Jeong

Wansoo Chang

Jong Doo Lim

You Hwan Son

Pyeong-Jung Song

Yong-su Park

Min-Seok Jang

Yong-Su Park

Sang-Ho Cha

Jimin Shim

Chan Yeong Koong

Joungeun Yoo

Jungmoon Bae

Pil Won Heo

Tae-Yoon Kim

Hyunkee Hong

Chan Ho Pak

Jung-woo Jung

Taeyun Ko

Bo-Kyung Jung

Hyo-Jin Weon

Ki-Ok Kwon

Geun Huh

Pil-Won Heo

Jung-Ock Park

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 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

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

The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.

Method for preparing superabsorbent polymer and superabsorbent polymer

A polymer electrolyte membrane for a fuel cell includes a cross-linking polymer in which a polyhedral oligomeric silsequioxane (POSS) is cross-linked with a hydrocarbon-based polymer and a membrane-electrode assembly for a fuel cell includes the polymer electrolyte membrane.

Polymer electrolyte membrane for fuel cell, membrane-electrode assembly for fuel cell including same, and fuel cell including same

The present application relates to a composite electrolyte membrane and a method for manufacturing the same. The composite electrolyte membrane according to the present application includes: a poly(arylene ether sulfone) copolymer including the repeating unit represented by Chemical Formula 1 and the repeating unit represented by Chemical Formula 2; and a core-shell particle including an inorganic particle core and a basic organic polymer shell.

Composite electrolyte membrane and method for manufacturing same

The present invention provides copolymers of polyethylene oxide methacrylate and alkenyl group-containing methacrylate, method for preparing the same and use thereof. The copolymers may be used for preparing solid phase electrolytes having high ionic conductivity and enhanced physical properties.

Copolymer electrolytes for secondary battery, method for preparing the same and use thereof

The present specification relates to a sulfonate-based compound and a polymer electrolyte membrane using the same, a membrane electrode assembly including the same, and a fuel cell including the same.

Sulfonate-based compound and polymer electrolyte membrane using same

A polymer including a reaction product of a sulfonated polyarylene ether sulfone and at least one compound selected from a sulfonated compound having a thiol group at a terminal thereof and a sulfonated compound having a hydroxy group at a terminal thereof.

Polymer, electrolyte membrane and electrode for a fuel cell, each including the polymer, fuel cell including at least one of the electrolyte membrane, and the electrode

A porous membrane with pores that includes a polymerization product of a polyazole-based material, an electrolyte membrane including the porous membrane with a proton-conductive polymer provided in pores of the porous membrane, methods of manufacturing the porous membrane and the electrolyte membrane, and a fuel cell employing at least one of the porous membrane and the electrolyte membrane.

Porous membrane, electrolyte membrane including same, methods of manufacturing both, and fuel cell including at least one of the membranes

A compound including a cage-type structure of silsesquioxane wherein a group represented by Formula 1 or a salt thereof is directly linked to at least one silicon atom of the silsesquioxane, a composition including the compound, a composite formed therefrom, electrodes and an electrolyte membrane that include the composite, a method of preparing the compound, and a fuel cell including the electrodes and the electrolyte membrane. 

Compound, composition including compound, composite formed therefrom, electrode using composition or composite, composite membrane using composite, and fuel cell including at least one selected from electrode and composite membrane

A polymer comprising a first repeating unit represented by Formula 1: wherein Rto Rand Arin Formula 1 are defined in the specification.

Polymer, a method of preparing the same, composite prepared from the polymer, and electrode and composite membrane each including the polymer or the composite

An organic/inorganic composite compound for fouling resistance may include a core and at least an arm. The core may be formed of a polyhedron of polyhedral oligomeric silsesquioxane. At least one arm may be connected to a Si atom of the polyhedral oligomeric silsesquioxane. The arm may include a vinyl-based first structural unit including at least one ethylene oxide group at the side chain, and a hydrophobic vinyl-based second structural unit.

Organic/inorganic hybrid compound for fouling resistance, membrane including the same for fouling resistance, and method of preparing membrane for fouling resistance

A cross-linked polyazole, a method of preparing the cross-linked polyazole, an electrode and an electrolyte membrane for a fuel cell, which include the cross-linked polyazole, a method of manufacturing the electrolyte membrane, and a fuel cell including the cross-linked polyazole.

Cross-linked polyazole, method of preparing the polyazole, electrode for fuel cell including the cross-linked polyazole, electrolyte membrane for fuel cell including the cross-linked polyazole, method of manufacturing the electrolyte membrane, and fuel cell including the cross-linked polyazole

Growing community of inventors

Seoul, South Korea

Jong-Chan Lee