Abstract: Provided is a method of preparing an intermetallic catalyst which includes applying ultrasonic wave to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carbon support having an average pore size of about 6 nm to about 15 nm and a specific surface area of about 200 m2/g to about 2000 m2/g to form alloy particles in pores of the carbon support, and annealing the alloy particles in the pores of the carbon support to form intermetallic alloy particles.

Abstract: Disclosed is a method of preparing an intermetallic catalyst that includes irradiating ultrasonic waves to a precursor admixture including a noble metal precursor, a transition metal precursor, and a carrier to form core-shell particles including a transition metal oxide coating layer; the annealing the core-shell particles to form intermetallic particles including a transition metal oxide coating layer; and the removing the transition metal oxide coating layer from the intermetallic particles.

Abstract: Provided is a method of preparing a ternary alloy catalyst that includes irradiating ultrasonic waves to a precursor admixture including a precursor of a noble metal, a precursor of a first transition metal, a precursor of a second transition metal, and a carrier. Particularly, the precursor of the second transition metal is an acetate-based precursor.

Abstract: Provided is a method of preparing an intermetallic catalyst. The method includes form core-shell particles including a transition metal oxide coating layer by irradiating ultrasonic waves to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carrier to; forming intermetallic particles including a transition metal oxide coating layer by annealing the core-shell particles; and removing the transition metal oxide coating layer from the intermetallic particles.

Abstract: A high-temperature polymer electrolyte membrane fuel cell including a polymer of intrinsic microporosity that prevents phosphoric acid poisoning and a method for manufacturing the same are disclosed. It is possible to improve the electrochemical efficiency of high-temperature polymer electrolyte membrane fuel cells based on development of a polymer of intrinsic microporosity with thermal stability and cationic conductivity.

Abstract: A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.

Abstract: Disclosed are an ionic conductivity measurement device and method for a fuel cell, which enable accurate measurement of ionic conductivity of a membrane electrode assembly for a fuel cell under various conditions. The ionic conductivity measurement device includes a main body frame, a clamp handle mounted to the upper portion of the main body frame, a lift shaft connected to the clamp handle so as to be movable upwards and downwards, a motion jig mounted to the main body frame so as to be movable upwards and downwards and including an upper support frame connected to the lower end of the lift shaft and a specimen support frame connected to the upper support frame, a lower support frame mounted to the lower end portion of the main body frame, an upper probe pin mounted to the upper support frame, and a lower probe pin mounted to the lower support frame.

Abstract: The present invention relates to a transition metal nitride support, a method of manufacturing the same, a metal catalyst and a platinum-alloy catalyst including the transition metal nitride support, and manufacturing methods thereof. The manufactured transition metal support prevents corrosion of the support and aggregation of the platinum catalyst, thereby exhibiting high oxygen reduction catalytic activity. Also, strong metal-support interaction (SMSI) can be stabilized, thus improving the durability of the catalyst. The transition metal support includes large pores uniformly distributed therein, thereby increasing the amount of the catalyst supported and minimizing mass-transfer resistance in a membrane- electrode assembly, increasing the performance of a polymer electrolyte membrane fuel cell. The metal catalyst includes platinum particles loaded on the transition metal nitride support, thus exhibiting superior durability and activity.

Abstract: The present invention relates to methods of identifying viral hemorrhagic septicemia virus (VHSV) and detecting mutations in VHSV by use of a PNA probe that binds specifically to VHSV non-virion gene and by analysis of the melting pattern of the PNA probe. According to the present invention, a mutation in a virus that causes infectious disease in aquatic organisms can be detected in a simple, rapid and accurate manner, infection of fish with the virus can be detected, and a mutation in the NV gene can be detected.

Abstract: Provided is a method of preparing an intermetallic catalyst. The method includes form core-shell particles including a transition metal oxide coating layer by irradiating ultrasonic waves to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carrier to; forming intermetallic particles including a transition metal oxide coating layer by annealing the core-shell particles; and removing the transition metal oxide coating layer from the intermetallic particles.

Abstract: Provided is a method of preparing a ternary alloy catalyst that includes irradiating ultrasonic waves to a precursor admixture including a precursor of a noble metal, a precursor of a first transition metal, a precursor of a second transition metal, and a carrier. Particularly, the precursor of the second transition metal is an acetate-based precursor.

Abstract: Disclosed is a method of preparing an intermetallic catalyst that includes irradiating ultrasonic waves to a precursor admixture including a noble metal precursor, a transition metal precursor, and a carrier to form core-shell particles including a transition metal oxide coating layer; the annealing the core-shell particles to form intermetallic particles including a transition metal oxide coating layer; and the removing the transition metal oxide coating layer from the intermetallic particles.

Abstract: A catalyst for a fuel cell includes: a crystalline carbon support having a specific surface area of about 200 m2/g to about 500 m2/g; and intermetallic active particles of a transition metal and a noble metal, wherein the intermetallic active particles are supported on the crystalline carbon support and have a particle diameter of greater than or equal to about 3 nm.

Abstract: Provided is a method of preparing an intermetallic catalyst which includes applying ultrasonic wave to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carbon support having an average pore size of about 6 nm to about 15 nm and a specific surface area of about 200 m2/g to about 2000 m2/g to form alloy particles in pores of the carbon support, and annealing the alloy particles in the pores of the carbon support to form intermetallic alloy particles.

Abstract: Disclosed is a composition for forming an electrode for a fuel cell including a composite support including a sphere-shaped support and a fiber-shaped support, active metal particles supported on the composite support, and mixed solvent including water, an alcohol solvent, and an organic solvent.

Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.

Abstract: Energy storage devices comprising carbon-based electrodes and/or redox electrolytes are disclosed herein. In some embodiments, the carbon-based electrodes comprise laser-scribed activated carbon comprising one or more micro-channels. In some embodiments, the redox electrolytes comprise a ferricyanide/ferrocyanide redox couple. Also described are processes, methods, protocols and the like for manufacturing carbon-based electrodes comprising micro-channels for use in high energy storage devices such as supercapacitors, and for manufacturing high energy storage devices comprising redox electrolytes.

Abstract: The present disclosure relates to a positive electrode for lithium air batteries, a method of manufacturing the positive electrode, and a lithium air battery including the positive electrode, and more particularly to a positive electrode for lithium air batteries, wherein the positive electrode is manufactured through a dry process instead of a conventional wet process and a mixture of a positive electrode active material and a binder is ball-milled under specific conditions, thereby reducing or preventing a swelling phenomenon due to a solvent and increasing the force of coupling between the positive electrode active material and the binder, whereby it is possible to manufacture a high-density electrode and to improve the durability of the electrode, and wherein the lifespan of a lithium air battery is increased when the positive electrode is applied to the battery.

Abstract: The present invention relates to methods of identifying viral hemorrhagic septicemia virus (VHSV) and detecting mutations in VHSV by use of a PNA probe that binds specifically to VHSV non-virion gene and by analysis of the melting pattern of the PNA probe. According to the present invention, a mutation in a virus that causes infectious disease in aquatic organisms can be detected in a simple, rapid and accurate manner, infection of fish with the virus can be detected, and a mutation in the NV gene can be detected.

Abstract: The present invention relates to a transition metal nitride support, a method of manufacturing the same, a metal catalyst and a platinum-alloy catalyst including the transition metal nitride support, and manufacturing methods thereof. The manufactured transition metal support prevents corrosion of the support and aggregation of the platinum catalyst, thereby exhibiting high oxygen reduction catalytic activity. Also, strong metal-support interaction (SMSI) can be stabilized, thus improving the durability of the catalyst. The transition metal support includes large pores uniformly distributed therein, thereby increasing the amount of the catalyst supported and minimizing mass-transfer resistance in a membrane- electrode assembly, increasing the performance of a polymer electrolyte membrane fuel cell. The metal catalyst includes platinum particles loaded on the transition metal nitride support, thus exhibiting superior durability and activity.