Solid Oxide Fuel Cells for Undersea Naval Applications

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Acknowledgements � Sponsors � ONR, Code 33 – Michele Anderson � DoE, Interagency Agreement – Wayne Surdoval & Heather Quedenfeld
NiCd Lead Acid NiMH AgO-Zn Sec. Li Ion Li-SOCl 2 Comparison of Energy Sources <strong>for</strong> 21” UUV Type of System Li Polymer *Expected PEM (NaBH 4 +LOX) SOFC (S-8 + LOX) Specific Energy, Wh/kg 30 30 95 110 150-200 210 ~ 450 300-340 350-400 Energy Density, Wh/L 75 65-95 330 240 325 330 900-1000 300-340 400-450 Max Mission at 2.5 kW, hr 3 3 8 9 11 18 35-38 22-25 30-38 Number of cycles 1500 > 300 500 15 ~2000 > 600 1 150 30 (??) Available Volume: 189 L Available Mass: 209 kg
Page 1 and 2: Solid Oxide Fuel Cells for Undersea
Page 3 and 4: Voltage vs. Efficiency Plots R.W. S
Page 5 and 6: Autonomous Undersea Vehicles
Page 7 and 8: Force Net �� ISR �� Oceanog
Page 9 and 10: Broad Fuel Comparisons Energy Conte
Page 11 and 12: OSD Sponsored SBIR � OSD07-ES5
Page 13 and 14: Delphi Inc. Solid Oxide Fuel Cell S
Page 15 and 16: Efficiency, %; Utilization, % 100 9
Page 17 and 18: Stack Voltage, V; Efficiency, % Mod
Page 19 and 20: Preliminary Energy Section for 21
Page 21 and 22: Anode Gas Recycle Blower Blower Att
Page 23 and 24: Liquid Oxygen (LOX) Storage German
Page 25: Conclusions � Sulfur-free FT-fuel

Solid Oxide Fuel Cells for Undersea Naval Applications

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