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Technical Briefs

Results Using Processed Acetylene Fuel Stream in Solid Oxide Fuel Cell Stack

[+] Author and Article Information
A. Alan Burke

 Naval Undersea Warfare Center, Division Newport, 1176 Howell Street, Building 1302/1, Newport, RI 02841adrian.burke@navy.mil

Louis G. Carreiro, R. Craig Urian

 Naval Undersea Warfare Center, Division Newport, 1176 Howell Street, Building 1302/1, Newport, RI 02841

J. Fuel Cell Sci. Technol 7(3), 034502 (Mar 17, 2010) (3 pages) doi:10.1115/1.3211102 History: Received June 05, 2009; Revised June 10, 2009; Published March 17, 2010; Online March 17, 2010

Preliminary results indicate that acetylene and hydrogen peroxide are viable reactants for a solid oxide fuel cell (SOFC) system. Acetylene was hydrogenated and reformed to a suitable feed at the anode while hydrogen peroxide was decomposed to provide oxygen to the cathode. Roughly 45% fuel and oxidant utilization were demonstrated on a SOFC stack manufactured by Delphi Corporation (Troy, MI). These reactants offer high energy storage as well as an entirely self-contained power system with no exhaust streams. Such attributes are favorable for undersea vehicles and perhaps other applications that require a self-contained or air-independent power system.

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Copyright © 2010 by American Society of Mechanical Engineers
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Figures

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Figure 1

Diagram of the experimental setup for the two-step fuel processor

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Figure 2

Fuel processor performance at various hydrogen feed flow rates (10 L min−1, 5 L min−1, and 3 L min−1). Three data points were collected at each H2 flow rate to monitor the mole fraction of carbon species and the overall carbon balance. Hydrogen makes up the dry reformate gas balance.

Grahic Jump Location
Figure 3

IV and power density plot for steady state, single cell performance; anode feed: 1.08 L min−1C2H2, 10 L min−1H2, and 5.3 g min−1H2O; cathode feed: 50 wt % with H2O2 feed of 27 g min−1

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