Rapid Synthesis of Fuel Cell Catalyst Using Controlled Microwave Heating

Methods for the rapid synthesis of catalyst are provided, as well as catalyst formed from such methods. One method of the rapid synthesis of catalyst comprises forming a homogenous solution comprising a precious metal precursor and a catalyst substrate, reducing the precious metal precursor to preci...

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Hauptverfasser:	NIANGAR ELLAZAR V, HAN TAEHEE
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	Methods for the rapid synthesis of catalyst are provided, as well as catalyst formed from such methods. One method of the rapid synthesis of catalyst comprises forming a homogenous solution comprising a precious metal precursor and a catalyst substrate, reducing the precious metal precursor to precious metal nanoparticles, and depositing the precious metal nanoparticles onto the catalyst substrate to form catalyst particles. The reducing and depositing steps comprise controlling a rate of increase in temperature of the solution with microwave irradiation until the solution is a predetermined temperature and maintaining the solution at the predetermined temperature with microwave irradiation. The method further comprises detecting completion of the reduction and deposition and ceasing microwave irradiation upon detection.