Liquid hydrocarbons internal reforming in a solid oxide fuel cell reactor

Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Liquid hydrocarbons internal reforming in a solid oxide fuel cell reactor

4th International Conference and Exhibition on Materials Science & Engineering

September 14-16, 2015 Orlando, USA

A Al-Musa1, N Kaklidis2, V Kyriakou3, 4, M Al-Saleh1, A Al-Zahrani1 and G E Marnellos2, 4

1King Abdulaziz City for Science & Technology, Saudi Arabia 2University of Western Macedonia, Greece 3Aristotle University of Thessaloniki, Greece 4Chemical Process Engineering Research Institute (CERTH), Greece

Posters-Accepted Abstracts: J Material Sci Eng

Abstract :

Introduction: In the present work, iso-octane and steam are co-fed in a solid oxide reactor of the type Cu- CeO2/YSZ/Pt. The impact of temperature, feed composition and over potential on products├ó┬?┬? distribution and electro-catalytic activity is examined. Furthermore, the as prepared cell was also electrochemically characterized employing typical fuel cell measurements and AC impedance spectroscopy. Results & Discussion: Cu-CeO2 composites exhibited high (electro-) catalytic activity and stability. Fuel cell experiments showed that the achieved power densities were substantially increased with temperature and i-C8H18/H2O feed molar ratios. Conclusions: The obtained results show that i-C8H18 is efficiently reformed by H2O to syngas over Cu/CeO2 composites. Under open circuit conditions, the distribution of products is also influenced by the associated i-C8H18 thermal/catalytic decomposition reactions, while electro-oxidation of combustible species is prevailing during anodic polarization. Under fuel cell operation, the electrochemical performance of Cu-CeO2 was investigated by voltage-current density-power density and AC impedance measurements. The achieved power output was enhanced at higher cell temperatures and C/H2O ratios.

Biography :

A Al-Musa has completed his PhD from Loughborough University, UK. He is an Associate Professor of Research at the National Center for Combustion and Plasma Technologies, King Abdulaziz City for Science and Technology (KACST), Saudi Arabia.


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