Eos Process Technology

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1 Eos Process Technology Large Scale Direct Alkaline Fuel Cells Don Montgomery, Ph.D. NDCPower

2 Eos Process Technology Fuel Cell Universe Eos Fuel Cells Alkaline Fuel Cells Eos Direct Alcohol Fuel Cells Eos is a unique class of fuel cell

3 EOS Process Technology Direct Alcohol Fuel Cell Systems Technology Advantages Selective non-platinum catalysts No permselective membranes Flex Fuel Zero CO 2 and GHG

4 Eos Process Technology Demil Applications Oxidized Products - Nitrogen - Carbon Dioxide - Water - Hypochorite - RDX/HMX - Nitrocellulose - Nitroglycerine - TNT OH - - O 2 (Air) - AP Membrane-free electrolyte in fuel

5 Eos Process Technology Eos Alkaline Direct Alcohol Fuel Cells Commodity Chemicals - Acetate/Acetic Acid - Formic Acid - Acrylic Acid - Water OH - O 2 (Air) Alcohols EOS Fuel Cell Technology Electric Power + Water + Zero CO 2

6 EOS Process Technology Features Non-flammable aqueous electrochemical fuel Wide variety of alcohol fuel feedstock are suitable Ethanol, ethylene glycol, methanol, 1,3-propanediol, glycerol and arbitrary mixtures Fungible commodity chemical by-products No baseload requirements Instant on/off episodic power demand support Co-production of heat and water captured by liquid fuel Minimal physical plant (< 5% parasitic loss) Zero down time hot swap maintenance model The only electric power production technology that emits no net CO 2 from carbon-based fuels

7 EOS Process Technology Largest Direct Liquid Fuel Cell Stacks Ever Produced 1kW Stack Module < 50W Parasitic Load Alkaline Alcohol Fuel Instant On/Off Hot Swap Capable 100 cm cm 2

8 Eos Process Technology 1kW Stack Polarization Characteristics

9 EOS Process Technology New Operating Paradigms Ability to control power output on both sides of rated power point High current & low power improves conversion of fuel feedstock to heat, water, and chemical products Robust to extremes in operating conditions

10 Eos Process Technology 1kW Stack Operation During Cell Polarization Reversal

11 Eos Process Technology Temperature Dependence of Polarization Curves

12 35kW 100kW EOS Technology Stationary Power 4MW 52 Semi-Trailer Racks can be assembled into very large (>100 MW) installations Fuel can be processed on site or transported

13 Zero Downtime maintenance paradigm Hot swap capability Fuel cell monitoring Robust to point failure Lifecycle costs Component recycling On-site maintenance Routine maintenance Environmental Low impact component waste Water positive operation Low impact chemical waste EOS Process Technology Operating and Lifecycle Cost Advantages

14 Eos Electrochemical Technology Biogas Methane from Sustainable Sources (Landfill, etc.) Steam Reform to Methanol* Syngas from Sustainable Carbon (MSW, Silage, etc.) MoS 2 Mixed Alcohol Synthesis Alcohol from Biofuel Production (ABE, etc.) * Captures carbon from CO 2 in Biogas to improve energy output Alcohol from Fermentation Sustainable Alcohol Sources Alcohol from Cellulosic Sources (Wood Pyrolysis, etc.)

15 Eos Process Technology Fuel Cells are Chemical Reactors Methanol 1 ton 1.50 ton Formic Acid MWhr Ethanol 1 ton Eos Fuel Cell Modules 1.35 ton Acetic Acid MWhr Proprietary 1 ton 1.0 ton Acrylic Acid MWhr

16 Eos Process Technology Co-production of Water and Chemicals 2.0 MWhr Methanol 1 ton (1,266 liter) Eos Fuel Cell Modules Water 1.1 ton (1,128 liter) 1.50 ton Formic Acid

17 Power and Water mparison of Eos Process with Diesel Generator and Natural Gas Turbine 1MW Diesel Generator Diesel Fuel (l/h) 400 1MW Turbine* 1 MW Eos System Natural Gas (cf/h) N/A 15,600 12,362** Methanol (l/h) N/A N/A 633 Water Produced (l/h) Water Consumed (l/h) Varies Varies* 0 Electric Power Efficiency 26% 21% 50% Formic Acid (kg/h) N/A N/A 750 * See ** Amount of natural gas used to produce 633 liters of methanol

18 Eos Technology Army Pilot Facility Demonstrated scalability by use of 1kW fuel cell stack modules Demonstrated hot swap capability for fuel cell stack modules Demonstrated zero down time operation Demonstrated production of acetate/acetic > 95% yield Quantifed yield and purity of product Validated performance and lifetime over 1,200hr pilot run Army pilot project Army with Five 1kW production modules in Array Configuration

19 Eos Process Technology Fuel Cell Stack Power Output Output power actively controlled by system supervisor Output power monitored to optimize stack array impedance matching (5-1kW stacks in this array)

20 Contact Information Don Montgomery President & CEO ext 201