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PROTON EXCHANGE MEMBRANE FUEL CELLS DESIGN OVERVIEW AND APPLICATION SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION PEM – Proton Exchange Membrane Overview and build blocks: Single Fuel Cell SUSTAINABLE ENERGY I Fuel Cell Stack COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Stack Design SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Proton Exchange Membrane Preparation Process Clean NaCl Soak Na+ form Glycerol TBOH MeOH Nafion soln. Sonicate Binder H O 2 2 N 2 Dry DI H2O soak. SUSTAINABLE ENERGY I H 2SO4 100 C H+ form Hot Press 130 C COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Output Characteristics of a PEM Fuel Cell Effect of Surrounding conditions 1.0 0.8 E/ V 0.6 0.4 B A 0.2 0 0 0.2 0.4 0.6 0.8 1 j / A cm–2 Single Fuel Cell Fuel Cell Stack: C:\Documents and Settings\Viktor\My Documents\COLLEGE\Individual Investigation\Fuel Cell Stack Char.xlsx SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Output Characteristics of a PEM Fuel Cell Effect of Surrounding conditions SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Fuel Cell System Optimized Performance Increased Efficiency Parasitic Power Fuel Fuel Processing H2 Fuel Cell Stack Thermal and Chemical Integration SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY dc Power Conditioning AC / DC electricity November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Fuel Cell System Fuel Processing: Air H 2O Recov. Purge M Turbocharger Flow meter Stack Motor F H Memb H F Flow Resistor Heat Exch. Humid. (2x) Humid Ejector H 2 Level L Radiator T Flow control H O 2 SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Fuel Cell System Power Conditioning: C:\Documents and Settings\Viktor\My Documents\COLLEGE\Individual Investigation\Poster\Poster Final.pptx SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Application Transportation Cost - stack, balance of plant - very low $/kW - high volume, high quality manufacturability Fuel infrastructure - on-board reforming - on-board hydrogen storage (range) Customer acceptance Thermal management Water management Stability Durability (5000 hrs, 10 yrs) Weight and volumetric power densities Recyclability of materials – life cycle management SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Application Stationary Cost of a system $$/kW - high volume, high quality manufacturability Local cost of electricity vs. Local fuel costs Fuel reforming (natural gas) Customer acceptance Durability (40,000 hrs) Stability Codes and Standards Grid Interconnectivity Recyclability of materials – life cycle management Finding the “killer application” SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011 PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION Future Improvement SUSTAINABLE ENERGY I COLLEGE OF TECHNOLGY November 2011