Hyundai Motor Company

Kia Corporation

Dahee Kwak

Jee Youn Hwang

Songi Oh

Ji-Hoon Jang

Eunjik Lee

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.

Intermetallic catalyst and method for preparing the same

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 m/g to about 2000 m/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.

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.

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Gyeonggi-do, South Korea

Dahee Kwak