Korea Institute of Science and Technology

Bora Seo

So Young Lee

Hyoung-Juhn Kim

Jong Hyun Jang

Hee-Young Park

Sung Jong Yoo

Hyun Seo Park

Jin Young Kim

Jieun Choi

Hee Soo Kim

Tae Hoon Lim

Dong Wook Lee

Seung Ju Lee

Taekyung Lee

Jimin Kong

Jihyun Choi

Jin Hyeon Choi

Jeawoo Jung

Daeil Choi

Myeong-Geun Kim

Gyu Seong Yi

Jing Young Kim

The present disclosure relates to a catalyst for a fuel cell, a fuel cell including the same and a method for preparing the catalyst for a fuel cell. More specifically, the catalyst for a fuel cell according to the present disclosure can exhibit superior catalytic activity as compared to the existing catalyst even when the catalyst metal is used at a very low content because some metal of the metal nanoparticles distributed on a carbon support is replaced with catalyst metal single atoms.

Catalyst for fuel cell, fuel cell comprising the same and manufacturing method thereof

The present disclosure relates to a catalyst for electrochemical synthesis of ammonia, which includes a metal sulfide, a method for preparing the same and a method for regenerating the same.

Catalyst for electrochemical synthesis of ammonia, method for preparing same, and method for regenerating same

The present disclosure relates to a method for preparing a catalyst for a fuel cell, a catalyst for a fuel cell and a fuel cell including the same. More specifically, the catalyst for a fuel cell according to the present disclosure, wherein ruthenium chalcogenide including the 1T phase exists as single-walled nanotubes, can reduce manufacturing cost by exhibiting superior catalytic activity so as to replace the existing platinum catalyst and can significantly improve stability.

Catalyst for fuel cell, fuel cell comprising the same and preparation method of the catalyst for fuel cell

The present disclosure relates to a polybenzimidazole-based electrolyte membrane for alkaline water electrolysis, which includes a polybenzimidazole-based polymer, wherein the polybenzimidazole-based polymer is a biaxially oriented film. The polybenzimidazole-based electrolyte membrane for alkaline water electrolysis can reduce the concentration of an alkaline solution by improving the crystallinity of a polybenzimidazole-based polymer to increase the resistance against base, significantly improving the long-term stability of alkaline water electrolysis using a polybenzimidazole-based electrolyte membrane through the improved resistance against base, and by increasing the operation temperature to enhance the catalyst activity.

Polybenzimidazole-based electrolyte membrane for alkaline water electrolysis and water electrolysis device comprising the same

The present disclosure relates to antioxidant for a polymer electrolyte membrane fuel cell electrode catalyst, which includes cerium hydrogen phosphate (HCe(PO)(HO)) in the form of a nanofiber, and an electrode and a membrane-electrode assembly including the same. The electrode for a polymer electrolyte membrane fuel cell of the present disclosure, wherein the antioxidant is dispersed, can improve the mechanical strength of an electrode catalyst layer and can minimize deterioration of chemical durability even after long-term operation. And, a fuel cell including the same can exhibit high output performance and can operate stably even after long-term operation.

Electrode for polymer electrolyte membrane fuel cell comprising antioxidant and membrane-electrode assembly comprising same

The present disclosure relates to a polyarylene ether-based polymer for an electrolyte membrane of a fuel cell, represented by the following Chemical Formula 1. When the polyarylene ether-based polymer for an electrolyte membrane of a fuel cell is applied to the manufacture of a membrane-electrode assembly through a decal process, the hot pressing temperature may be controlled to about 120&#xb0; C. so as to conform to a low glass transition temperature. Therefore, it is possible to solve the problems of deterioration of an electrolyte membrane or incomplete transfer of an electrode catalyst layer, caused by the high hot pressing temperature applied in the case of the conventional hydrocarbon-based polymer material. 

Polyarylene ether-based polymer containing aliphatic chain, electrolyte membrane including the same, and membrane-electrode assembly including the electrolyte membrane

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Seoul, South Korea

Bora Seo