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18917743. PALLADIUM-PLATINUM OXIDE CATALYST FOR AQUEOUS ELECTROCHEMICAL DIRECT EPOXIDATION (California Institute of Technology)

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PALLADIUM-PLATINUM OXIDE CATALYST FOR AQUEOUS ELECTROCHEMICAL DIRECT EPOXIDATION

Organization Name

California Institute of Technology

Inventor(s)

Karthish Manthiram of Pasadena CA US

Minju Chung of Atlanta GA US

PALLADIUM-PLATINUM OXIDE CATALYST FOR AQUEOUS ELECTROCHEMICAL DIRECT EPOXIDATION

This abstract first appeared for US patent application 18917743 titled 'PALLADIUM-PLATINUM OXIDE CATALYST FOR AQUEOUS ELECTROCHEMICAL DIRECT EPOXIDATION

Original Abstract Submitted

Methods and systems for the electrochemical epoxidation of alkenes to generate an epoxide are described herein. Said methods and systems comprise: contacting an anode comprising an oxygen atom transfer electrocatalyst with an alkene in the presence of an electrolyte comprising water; applying a voltage to the anode and a cathode to generate the epoxide; wherein the oxygen atom transfer electrocatalyst comprises an at least partially oxidized palladium-platinum alloy characterized by the formula FX1: PdPtO; wherein y is greater than 0 and less than 1; z is greater than 0 and less than 1; wherein the sum of y and z is equal to 1; and x is selected from the range of 0 to 2. The methods and systems disclosed herein comprise a significant advancement in the electrocatalytic epoxidation of alkenes in aqueous and mixed electrolytes using water as the oxygen atom transfer source.

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