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Reisinger Ralph, Christian Sönnichsen

Fuel cell power. Reisinger Ralph, Christian Sönnichsen. Content. Different typs of fuel cells and materials Why fuel cell New technology. Different typs and there materials. Different typs materials Why fuel cell ? New technology. High temperature Molten carbonate (MCFC)

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Reisinger Ralph, Christian Sönnichsen

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  1. Fuel cell power Reisinger Ralph, Christian Sönnichsen

  2. Content • Different typsoffuelcellsandmaterials • Whyfuelcell • New technology

  3. Different typsandtherematerials Different typs materials Whyfuelcell? New technology • High temperature • Moltencarbonate(MCFC) • Solid oxide (SOFC) • Low temperature • Alkaline (AFC) • Polymere Membrane (PEMFC) • Phosphoricacid (PAFC) Coal gas Poweredhydrogen

  4. Polymere electrolytemembran fuelcell (PEMFC) Different typs materials Whyfuelcell? New technology • Typs ofelectrolyte • H+ions (withanionsbound in polymer membran) • Construction • Plastic • Metalorcarbon • Oxitation • Air or O2 • Catalyst material • Eg. Platinium

  5. Alkalinefuelcell (AFC) Different typs materials Whyfuelcell? New technology • Typs ofelectrolyte • OH- ions (typicallyaqueouspotassiumhydroxide (KOH) solution) • Construction • Plastic • Metalorcarbon • Oxitation • Purifiedairto O2

  6. Phosphoricacidfuelcell (PAFC) Different typs materials Whyfuelcell? New technology • Typs ofelectrolyte • H+ions (H3PO4 solution) • Construction • Carbon • Porousceramic • Oxitation • Air toenriched Air • Catalyst material • Platinium

  7. Moltencarbonate fuelcell (PAFC) Different typs materials Whyfuelcell? New technology • Typs ofelectrolyte • CO3=ions (typically, molten LiKaCO3 eutectics) • Construction • High temp. Metals • Porousceramic • Oxitation • Air

  8. Solid oxidfuelcell (SOFC) Different typs materials Whyfuelcell? New technology • Typs ofelectrolyte • O=ions (stabilizedceramicmatrixwithfreeoxideions) • Construction • High temp. Metals • Ceramic • Oxitation • Air

  9. Whyfuelcell ? Different typs materials Whyfuelcell? New technology • Almost clean energyuse => reduce CO2emissions • Independent ofoilmafia

  10. Disadvantage Different typs materials Whyfuelcell? New technology • Platiniumis rare => expensive • about 40 % of the total cost for platinium Weneednewtechnology

  11. New technology Different typs materials Whyfuelcell? New technology • Platinum-nickel nano-octahedracatalystmaterials • IBN nanocomposite material

  12. Platinum-nickel nano-octahedra ascatalyst material Different typs materials Whyfuelcell? New technology • Red spheres represent • platinum atoms • Green spheres represent • nickel atoms • highlyoxygen-activ http://www.nature.com/nmat/journal/v12/n8/full/nmat3668.html

  13. IBN nanocomposite material Different typs materials Whyfuelcell? New technology • gold-copper alloy atoms in the core and platinum atoms at the outer layer http://www.nanotech-now.com/news.cgi?story_id=45833

  14. Source • http://www.nature.com/nmat/journal/v12/n8/full/nmat3668.html • http://www.nanotech-now.com/news.cgi?story_id=45833 • http://www.wikipedia.de

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