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Liu, Meilin
Liu Research Group
Research Interests
  • Fuel Cells

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Direct octane fuel cells: A promising power for transportation

Cited 32 times inthomson ciCited 22 times inthomson ci
Title
Direct octane fuel cells: A promising power for transportation
Author
Liu, MingfeiChoi, YongManYang, LeiBlinn, KevinQin, WentaoLiu, PingLiu, Meilin
Keywords
Anode-support; Co-feeding; Conformal coatings; Fuel cells for transportation; High costs; Hydrocarbon fuel; iso-Octane; Multi-functional; Nano-islands; Ni surface; Ni-YSZ anode; Peak power densities; SOFC system; Transportation fuels
Issue Date
201205
Publisher
ELSEVIER BV
Citation
NANO ENERGY, v.1, no.3, pp.448 - 455
Abstract
The demand for electric vehicles has inspired extensive efforts to develop solid oxide fuel cells (SOFCs) for transportation. However, the high cost of hydrogen fueled SOFC systems and the deactivation of Ni-YSZ anodes in hydrocarbon fuels hinder the progress of SOFCs' development and commercialization. Here, we report a unique multi-functional anode for SOFCs that allows direct utilization of transportation fuels (iso-octane) without co-feeding O-2 and CO2, demonstrating a peak power density of similar to 0.6 W/cm(2) at 750 degrees C. The multi-functional anode is derived from a conventional NiO-YSZ anode with BaCO3 modification in the anode support, creating a catalytically active conformal coating of BaZr1-xYxO3-delta (BZY) on YSZ and nano-islands of BaO on Ni surface, which greatly promote reforming of octane and oxidation of the reformed fuels. Further, the simple and cost-effective modification process can be readily adopted in the fabrication of the state-of-the-art NiO-YSZ supported cells.
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DOI
http://dx.doi.org/10.1016/j.nanoen.2012.02.006
ISSN
2211-2855
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