Korea Institute of Science and Technology

Global Frontier Center for Multiscale Energy Systems

Tae Hoon Lim

Jonghee Han

Hyoung-Juhn Kim

Suk Woo Nam

Sung Pil Yoon

Seong Ahn Hong

Eun Ae Cho

Suk-Woo Nam

Jong Hyun Jang

In Hwan Oh

Heung Yong Ha

Chang Won Yoon

Jin Young Kim

Sung Jong Yoo

Soo-Kil Kim

Yeong Cheon Kim

Dirk Henkensmeier

Hyung Chul Ham

Hyun Seo Park

In-Hwan Oh

Jaeyoung Lee

So Young Lee

Seong Cheol Jang

Sun-Hee Choi

Nayoung Kim

Seong-Ahn Hong

Han-Ik Joh

Jaeyune Ryu

Shin Ae Song

Hyung Chul Hahm

Chang-Whan Lee

Seung Jun Hwang

Hyung Joon Choi

Kyungah Lee

Kyung-Jin Lee

Seong M Jo

Hee-Young Park

Soo K Kim

Yong Min Kim

Min-Jae Lee

Sung-Yeon Jang

Taekyung Lee

Bora Seo

Sang Yeop Lee

Ho In Lee

Namgee Jung

Dae Ki Choi

Kug-Seung Lee

Kwang Soo Lee

Jeung Woo Lee

Jae Hyung Cho

Seung-Goo Kim

Ui Sik Jeon

Thieu Cam-Anh

Jong Pil Jeong

Taekhyun Oh

Jong Hyung Jang

Sung-Goon Kang

Anatoli Maganiouk

Dajung Han

Hyeung Dae Moon

Sunhee Jo

Tae Jung Ha

Yeon Hun Jeong

Quoc Khanh Dang

Hyoung Juhn Kim

Thieu Cam-anh

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

A composite polymer electrolyte membrane for a fuel cell may be manufactured by the following method: partially or totally filling the inside of a pore of a porous support with a hydrogen ion conductive polymer electrolyte solution by performing a solution impregnation process; and drying the hydrogen ion conductive polymer electrolyte solution while completely filling the inside of the pore with the hydrogen ion conductive polymer electrolyte solution by performing a spin dry process on the porous support of which the inside of the pore is partially or totally filled with the hydrogen ion conductive polymer electrolyte solution.

Composite polymer electrolyte membrane for fuel cell, and method of manufacturing the same

Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.

Method for supplying molten carbonate fuel cell with electrolyte and molten carbonate fuel cell using the same

The present invention provides a hydrogen generating apparatus and a hydrogen generating method, wherein the hydrogen generating apparatus generates hydrogen by dehydrating formic acid, and comprises: a reactor for containing water and a heterogeneous catalyst; a formic acid feeder for feeding formic acid into the reactor; and a moisture remover for removing moisture generated from the reactor.

Method and apparatus for generating hydrogen from formic acid

Disclosed is a carbon support for a fuel cell catalyst that supports a metal. The carbon support includes a conductive carbon support and nitrogen atoms doped into the conductive carbon support. Also disclosed is a method for preparing the carbon support. Also disclosed is a catalyst including the carbon support. The catalyst has greatly improved degradation resistance compared to conventional catalysts for fuel cells. In addition, the catalyst is not substantially degraded even when applied to a single cell.

Carbon support for fuel cell catalyst and preparation method thereof

Provided is a liquid hydrogen storage material including 1,1'-biphenyl and 1,1&#x2032;-methylenedibenzene, the liquid hydrogen storage material including the corresponding 1,1&#x2032;-biphenyl and 1,1&#x2032;-methylenedibenzene at a weight ratio of 1:1 to 1:2.5. The corresponding liquid hydrogen storage material has excellent hydrogen storage capacity value by including materials having high hydrogen storage capacity, and is supplied in a liquid state, and as a result, it is possible to minimize initial investment costs and the like required when the corresponding liquid hydrogen storage material is used as a hydrogen storage material in a variety of industries.

Liquid hydrogen storage material and method of storing hydrogen using the same

Provided is a composite polymer electrolyte membrane for a fuel cell, including: a porous fluorinated polymer support; and a perfluorinated sulfonic acid polymer resin membrane which fills the inside of pores of the porous fluorinated polymer support and covers an external surface of the porous fluorinated polymer support.

An anode for a molten carbonate fuel cell (MCFC) having improved creep property by adding CeOand/or Cr for imparting creep resistance to nickel-aluminum alloy and nickel as materials for an anode is provided. Improved sintering property, creep property and increased mechanical strength of a molten carbonate fuel cell may be obtained accordingly.

Anode for molten carbonate fuel cell having improved creep property, method for preparing the same, and molten carbonate fuel cell using the anode

Provided is a catalyst for oxygen reduction reaction comprising an alloy comprising at least one selected from Pt, Pd and Ir supported on a carbon carrier functionalized with poly(N-isopropylacrylamide) (PNIPAM). The catalyst for oxygen reduction reaction has electronic ensemble effects by virtue of the carbon carrier functionalized with poly(N-isopropylacrylamide) (PNIPAM), and thus shows improved oxygen reduction activity and durability as compared to conventional catalysts supported on carbon.

Catalyst for oxygen reduction reaction and preparation method of the same

Disclosed is a non-precious metal based water electrolysis catalyst represented by CoX/C (X is at least one selected from the group consisting of P, O, B, S and N) for evolution of hydrogen and oxygen at a cathode and anode, respectively, at the same time, the catalyst including a cobalt-containing compound fixed to a carbon carrier.

Non-precious metal based water electrolysis catalyst for oxygen evolution at anode and hydrogen evolution at cathode and preparation method of the same

Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process.

Perfluorinated sulfonic acid polymer membrane having porous surface layer and method for preparing the same

Disclosed are a method and an apparatus for an intact evaluation of the unit cells in a fuel cell stack. Since the degradation of the unit cells can be detected intactly, i.e. without disassembly of the stack, the time required for the detection and analysis thereof can be greatly reduced.

Intact method of evaluating unit cells in a fuel cell stack and a device using the same

Provided is a method for preparing nickel-aluminum alloy powder at low temperature, which is simple and economical and is capable of solving the reactor corrosion problem. The method for preparing nickel-aluminum alloy powder at low temperature includes: preparing a powder mixture by mixing nickel powder and aluminum powder in a reactor and adding aluminum chloride into the reactor (S1); vacuumizing the inside of the reactor and sealing the reactor (S2); and preparing nickel-aluminum alloy powder by heat-treating the powder mixture in the sealed reactor at low temperature (S3).

Method of preparing nickel-aluminum alloy powder at low temperature

Disclosed are a platinum (Pt)-free, palladium (Pd)-yttrium (Y) alloy catalyst having superior oxygen reduction reaction activity and stability, a method for preparing the same, and a fuel cell including the catalyst. Since the Pt-free Pd&#x2014;Y catalyst is inexpensive, it may be usefully applicable for fuel cells, particularly polymer electrolyte membrane fuel cells.

Pd-Y alloy catalyst, method for preparing the same, and fuel cell comprising the catalyst

Provided are a ceria-based composition having an undoped or metal-doped ceria and an undoped or metal-doped bismuth oxide, wherein the undoped or metal-doped bismuth oxide is present in an amount equal to or more than about 10 wt % and less than about 50 wt % based on the total weight of the ceria-based composition, and at least one selected from the ceria and the bismuth oxide is metal-doped. The ceria-based composition may ensure high sintering density even at a temperature significantly lower than the known sintering temperature of about 1400&#xb0; C., i.e., for example at a temperature of about 1000&#xb0; C. or lower, and increase ion conductivity as well.

Ceria-based composition including bismuth oxide, ceria-based composite electrolyte powder including bismuth oxide, method for sintering the same and sintered body made thereof

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Songpa-gu, South Korea

Tae Hoon Lim