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Hydrogen Fuel

Hydrogen Fuel . And its place in our future. 2 H 2 + O 2 2 H 2 O + 572 kJ. Some Chemistry . Chemical Energy -> Electricity + Heat Requires constant supply of H 2 and O 2. Fuel Cells – Basic Operation. Each cell produces about 0.7 volts Stack: cells in series/parallel combination

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Hydrogen Fuel

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  1. Hydrogen Fuel And its place in our future

  2. 2 H2+ O2 2 H2O + 572 kJ Some Chemistry

  3. Chemical Energy -> Electricity + Heat • Requires constant supply of H2 and O2 Fuel Cells – Basic Operation

  4. Each cell produces about 0.7 volts • Stack: cells in series/parallel combination • Normal Efficiency: 40-60% • Cogeneration Efficiency: Up to 85% • Zero Emissions Fuel Cells

  5. Stationary Power Generation • Remote Applications • Fuel Cell Electric Vehicles Fuel Cells - Applications

  6. U.S. Department of Energy • 2002: $375/kw • 2010: $51/kw • 2012 target: $30/kw Fuel Cells - Production

  7. Steam Reforming: 95% of US production • Electrolysis of Water Production

  8. The Green Solution: Electrolysis

  9. Storage and Transportation • Compressed • Liquid • Chemical Storage

  10. Storage and Transportation

  11. Safety • Flammable in a 4-75% concentration by volume • Low viscosity, creating high leakage rates • Stored at high pressure and low temperature

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