Electrocatalysts for carbon dioxide conversion

摘要

Electrocatalysts for carbon dioxide conversion include at least one catalytically active element with a particle size above 0.6 nm. The electrocatalysts can also include a Helper Catalyst. The catalysts can be used to increase the rate, modify the selectivity or lower the overpotential of electrochemical conversion of CO2. Chemical processes and devices using the catalysts also include processes to produce CO, HCO−, H2CO, (HCO2)−, H2CO2, CH3OH, CH4, C2H4, CH3CH2OH, CH3COO−, CH3COOH, C2H6, (COOH)2, or (COO−)2, and a specific device, namely, a CO2 sensor.

主权项

1. An electrocatalyst comprising at least one catalytically active element, wherein:
said catalytically active element is in the form of particles supported on an electrically conductive support or unsupported particles, the particles of the at least one catalytically active element have an average size between 0.6 nm and 100 nm, the at least one catalytically active element is in electrical contact with an electrode of an electrochemical cell or device, and the electrocatalyst is capable of converting CO2 to a carbon-containing reaction product.