M4-NUWC Overview Fontaine.pdf

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Academia (ULI) Additional Basic Research –Stevens Inst. Tech - Microplasma Reforming of Acetylene –UConn - Fuel Cell Performance using H2O2 Reformate as an Oxidant –UConn – Button Cell operation using logistic fuels –Virginia Tech – Grated Anode (sulfur tolerance)
A outlet Electrolyte Flow Reference Electrode Development of Nano/ Microstructured Electrodes for Increased Performance of Electrochemical Energy Sources Counter Electrode Technical Approach: B 100 µm Working electrode electrolyte inlet Inert laminar flow plate •Quantify Mass transport coefficient, Km, •Characterize the effects of: -fiber density, fiber length, surface roughness K m = (D/ δ L ) = I L AnFC B D =Diffusion Coefficient δL =Boundary Layer Thickness IL =Limiting Current A =Active Surface Area n =# of Electrons Transferred F =Faraday’s constant CB =Bulk concentration of electroactive species Objectives: •Engineer a general, broad-range solution to increasing battery and fuel cell performance across many systems •Achieve this by focusing on enhancing the mass transfer of a high efficiency electrode •Understand/ Define operating parameters for <strong>NUWC</strong>’s Carbon Microfiber Array (CMA) Electrode •Tailor CMA for specific applications depending on energy and power requirements Payoff: •Increase Range and Duration of Stealth Missions that are Energy Limited such as: -Sea Based Sensors -Undersea Distributed Network Systems -Unmanned Undersea Vehicles Investigators: Christian Schumacher, MS Charles Patrissi, PhD Funding: ILIR (FY07) $100K ILIR (FY08) $100K ILIR (FY08) $100K
Page 1 and 2: Advanced Unmanned Undersea Vehicle
Page 3 and 4: • Joint / Coalition Battlespace M
Page 5 and 6: Science and Technology for: Shock A
Page 7 and 8: • • Propulsion and Energy Thrus
Page 9 and 10: Advanced Air-Independent Energy Sol
Page 11 and 12: • • • Fuel Flexibility - - -
Page 13 and 14: SOFC Stack Test Stand Versa Power S
Page 15 and 16: Fuel Processing (Reformers) Catalyt
Page 17 and 18: • • 30-Cell NUWC SOFC Lab Syste
Page 19 and 20: • • • • In house Laboratory
Page 21 and 22: Carbide / Hydride Fuel System CaC 2
Page 23 and 24: • • • Summary of SOFC Effort
Page 25 and 26: • • • NaBH 4 Objective: - / H
Page 27 and 28: Oxidation of BH 4 - Anode BH 4 - Re
Page 29 and 30: • • • Direct Borohydride Syst
Page 31 and 32: energy density (Wh/kg) 340 320 300
Page 33 and 34: single cell potential (V) 1.80 1.60
Page 35: Li - Lithium-Seawater Battery Devel
Page 39 and 40: APPROACH • • • • • Fuel H
Page 41 and 42: ONR Sponsors: • • Dr. Michele A

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