Samsung Electronics Co., Ltd.

Seoul National University

Other

Snu Rdb Foundation

Sung-kon Kim

Ki-Hyun Kim

Jong-Chan Lee

Pil-won Heo

Kihyun Kim

Seong-woo Choi

Chan-ho Pak

Jung-ock Park

Seong-Woo Choi

Jung-woo Jung

Pil-Won Heo

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

A polymer composition, a cross-linked polymer formed therefrom, an electrolyte membrane and electrode for a fuel cell including the same, and a fuel cell employing the electrode and the electrolyte membrane. The cross-linked polymer includes an oxazine-based monomer capable of retaining phosphoric acid and has excellent mechanical strength. When the cross-linked polymer is used, an electrode and electrolyte membrane for a fuel cell with enhanced capability of retaining phosphoric acid at a wide range of temperature may be manufactured, leading to long-term durability, and enhanced proton conductivity.

Polymer and cross-linked polymer composition, electrode and electrolyte membrane including cross-linked polymer, and fuel cell including electrode and electrolyte membrane

The present invention is related to an artificial hip joint prosthesis. Also, it can be decreased the time of medical treatment and administered medicine easily. Besides, it can be applied an Oriental having small pelvis.

Artificial hip joint prosthesis

Growing community of inventors

Seoul, South Korea

Sung-kon Kim