Hydrogen Production over Ce/Zr Mixed Oxide Catalysts for Onboard Applications

 

Vissanu Meeyoo1, Stithiphong Pengpanich1 and Thirasak Rirksoboon2

 

1Centre for Advanced Materials and Environmental Research, Mahanakorn University of Technology

2The Petroleum and Petrochemical College, Chulalongkorn Unviersity

 

Manuscript received November 10, 2009

Revised November 23, 2009


Abstract

                The use of proton exchange membrane (PEM) fuel cells as a potential replacement for conventional combustion engines or an auxiliary power unit in automobiles has drawn tremendous attentions with regards to the hurdles of the distribution and onboard storage of hydrogen. As a result, appropriate compact and efficient devices for converting liquid transportation fuels such as gasoline (also gasohol) and diesel into hydrogen are inevitably needed in the forms of either onboard reformers or stationary facilities supplying refueling stations with hydrogen.

                Since most of catalysts utilized for conversion of heavy hydrocarbons as major constituents of gasoline and diesel into hydrogen tend to suffer from coke deactivation, the development of highly active and coke resistant catalysts has been emphasized. In this presentation, Ni supported on mixed oxide solid solution catalysts (Ce/Zr), which possess good redox properties as self-cleaning catalysts, are introduced for use in hydrogen production via different systems. The effects of Sn as a dopant on the catalyst properties, activity, and deactivation will be discussed in details.

 

Keywords : Hydrogen production, Ce/Zr mixed oxide, Ethanol , Gasoline, Partial oxidation

 

 

 

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