Ni-CeO2/C Catalysts with Enhanced OSC for the WGS Reaction

Ni-CeO2/C Catalysts with Enhanced OSC for the WGS Reaction

In this work, the WGS performance of a conventional Ni/CeO2 bulk catalyst is compared to that of a carbon-supported Ni-CeO2 catalyst. The carbon-supported sample resulted to be much more active than the bulk one. The higher activity of the Ni-CeO2/C catalyst is associated to its oxygen storage capacity, a parameter that strongly influences the WGS behavior. The stability of the carbon-supported...

Flame synthesis of nanosized Cu-Ce-O, Ni-Ce-O, and Fe-Ce-O catalysts for the water-gas shift (WGS) reaction.

A flame synthesis method has been used to prepare nanosized, high-surface-area Cu-Ce-O, Ni-Ce-O, and Fe-Ce-O catalysts from aqueous solutions of metal acetate precursors. The particles were formed by vaporization of the precursors followed by reaction and then gas to particle conversion. The specific surface areas of the synthesized powders ranged from 127 to 163 m(2)/g. High-resolution transmi...

Enhanced Oxygen Activation over Supported Bimetallic Au-Ni Catalysts

Viability of Au/CeO2-ZnO/Al2O3 catalysts for pure hydrogen production via WGS

The production of H2 pure enough to use it in fuel cells requires the development of very efficient catalysts for the WGS reaction. In this study a series of gold catalysts supported on ZnO-promoted CeO2Al2O3 is presented as interesting systems for the purification of H2 streams via WGS. The addition of ZnO remarkably promotes the activity of a Au/CeO2/Al2O3 catalyst. This increase in activity ...

Bimetallic Pd-Ni core-shell nanoparticles as effetive catalysts for Suzuki reaction