1. Hydrogen Fuel Cell

2. Trends in the Use of Fuel

3. 19 th century: steam engine 20 th century: internal combustion engine 21 st century: fuel cells

4. The History of Fuel Cells ElectrolyserGrove’s Gas Battery (first fuel cell, 1839) (after Larminie and Dicks, 2000)

5. Bacon’s laboratory in 1955 Photo courtesy of University of Cambridge

6. NASA Space Shuttle fuel cell Photo courtesy of NASA

7. Applications for Fuel Cells Transportation vehicles Photo courtesy of DaimlerChrysler NECAR 5

8. Distributed power stations Photo courtesy of Ballard Power Systems 250 kW distributed cogeneration power plant Applications for Fuel Cells

9. Home power Photo courtesy of Plug Power 7 kW home cogeneration power plant Applications for Fuel Cells

10. Portable power 50 W portable fuel cell with metal hydride storage Applications for Fuel Cells

11. Membrane Electrode Assembly (MEA) O 2 2H 2 O 4H + Nafion 4e - 2 K H 2 O 2 H 2 O 2H 2 4H + Nafion 4e - O 2 2H 2 O 4H + Nafion 4e - Nafion H + Catalysis Transport Resistance Anode Cathode Polymer electrolyte (i.e. Nafion) Carbon cloth Platinum- catalyst Platinum- catalyst Oxidation Reduction

12. Hydrogen Storage 56 L 14 L 9.9 L Liters to store 1 kg hydrogen Compressed gas (200 bar) Liquid hydrogenMgH 2 metal hydride

13. Hydrogen: Energy Forever Fuel tankReformer H2H2 Hydrogen bottles H2H2 H2H2 H2H2 Algae H2H2 Hydrogen bottles H2H2 Solar panel Electrolyser

14. Benefits of Fuel Cells Modular Clean Quiet Sustainable Efficient Safe The Benefits of Fuel Cells

15. Heliocentris: Science education through fuel cells 15 Our Fragile Planet. We have the responsibility to mind the planet so that the extraordinary natural beauty of the Earth is preserved for generations to come. Photo courtesy of NASA

16. Presentation courtesy of Heliocentris