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My presentation on fuel cell drive train


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  • 2. Was doing electrolysis William Robert GroveAnd in a way discovered fuel cell as reverse of it
  • 3. Introduction What is a fuel cell ? How it works ? What are the functions of it ? How it can be used for driving vehicle ? What are the basic components of a FCV ? What are advantages of using it over conventional IC engines ?
  • 4. Fuel cell Make use of Electrochemical processHydrogen + oxygen water + electricity+ heat Storage tank AirProvide energy for systems as large as autility power station and as small as a laptop
  • 5. Working of fuel cell• Proton exchange membrane. H2 2H+ + 2e- (at anode) 2H+ + ½ O2 H2O + Heat (at cathode) [ Source: Fuel Cell Handbook (Fifth edition) ]
  • 6. Fuel cell system•Fuel cell stack• Fuel processors• Current invertors and conditioners• Heat recovery system
  • 7. Types of fuel cell Polymer electrolyte membrane Direct methanol fuel cell Phosphoric acid fuel cell Alkaline fuel cell Molten acid fuel cell Solid oxide fuel cell [ Source: Fuel Cell Handbook (Fifth edition)
  • 8. Table showing different types offuel cell
  • 9. Fuel cell vehicle FCVs are the vehicle which run on thehydrogen rather than gasoline Emits no harmful gases It uses PEM fuel cell [Source: ]
  • 10. Concept of fuel cell vehicle Cells are grouped intostack. A hydrogen fuel cellautomobile would have atleast 45 cells in a stack. Hydrogen is stored andinjected in either liquid orgas form. Output is only water orvapor [ Source: Automotive fuel cell corporation ]
  • 11. Working of fuel cell vehicle•Hydrogen fuel and oxygen from air are channeledthrough field flow plates on opposite sides of fuel cell.•At anode hydrogen splits into hydrogen ion (positiveion) and into electron (negative ion).•Electrons travel through an external circuit creatingelectric current.•At cathode water is formed.•This electrical energy is converted into mechanicalenergy with the help of electric motors.
  • 12. Components of fuel cell FCV [ Source: “ABCs of Automotive Fuel cells” Ron Sims
  • 13. Hydrogen storage tank Carbon fiber composite tank Plastic liner Aluminum polar bosses Pressure around 10000 psi [ Source: “Composite Comfortable Pressure Vessel” U. S. Patent No.5 ]
  • 14. Fuel cell stack
  • 15. Fuel cell vehicle efficiency Fuel cell efficiency Eff. = Vactual /1.2 v Electric work done = charge *voltage = -2FE Joules Fuel cell system efficiencyAlso called Plant to wheel efficiency [ Source: American national standards institute ]
  • 16. Factors affecting fuel cell efficiency  Temperature  Pressure  Stoichiometric effect  Humidity effect[ Source: Module 4: Hydrogen fuel cell technology ]
  • 17. Refueling of HFCV Hydrogen can be used as on board fuel A flexible connection between car and dispenser Only few refueling stations over worldwide [ Source: EV World, “Hydrogen Car Fire Surprise” ]
  • 18. Sources of hydrogen
  • 19. Comparative analysis of FCV Well to wheel efficiency  FCV is 22 % efficient  ICE is 15 % efficient
  • 20. Advantages & disadvantages of FCVAdvantages Efficiency is largely independent of load Less complicated then ICE vehicle Quitter operation No structural weaknesses Zero emissionDisadvantages High cost On board hydrogen storage Production of hydrogen at energy plants creates much CO2 H2 is very flammable gas
  • 21. Status of fuel cell vehicle technology Performance Reliability Safety Longevity Comfort Package/weight Freeze start Cost Range
  • 22. Technological challenges Vehicle cost On board hydrogen storage Fuel cell durability & reliability Getting hydrogen to consumers Public acceptance [ Source: Photo courtesy of HONDA ]
  • 23. Prototype of FCV NECAN JEEP COMMANDER F-cell TH!NK HYDROGENI [ Source: ]
  • 24. Conclusion